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ANTIOXIDANTS AND ACCELERATORS (AXX) PORTFOLIO 2016-02

CONTENT

04 Advanced Industrial Intermediates (AII)

05 Competence leads to sustainable development

n Tires

06 Additives for Green Tires

06 Important tire labeling

07 Overview: tire applications

n Technical rubber goods

08 Wide range of premium products

08 Vulkacit®, Vulkanox®, Renacit®

09 Rubber chemicals portfolio for technical rubber goods

10 Overview: latex chemicals

11 Property required / latex types

n Performance additives for non rubber applications

12 Tailor made solutions

13 Merkapto products for pharama and agro applications

13 Mercaptobenzothiazoleproductsinfrothflotation

14 Corrosion inhibitors based on

mercaptobenzothiazole products

14 Mercaptobenzothiazole products for biocides

14 Vulkanox® additives for fuel and oil applications

15 Polymer protection by Vulkanox® products

15 Polymer and material protection with Vulkanox®

n Product overview and data

18 The different supply forms

Accelerators

19 Cure characteristics of several accelerators

20 Merkapto accelerators

21 Sodium mercaptobenzothiazole

22 Sulfenamide accelerators

Antidegradants

23 Vulkanox® – antidegradants

23 Vulkanox® – para-phenylenediamine products

25 Vulkanox® 4005 – stabilizer and antioxidant

26 Vulkanox® HS/LG – staining antioxidant

27 Bisphenols and mecaptobenzimidazoles -

non staining antioxidants

29 Vulkazon®–Olefins-nonstainingantiozonants

Specialties

30 Renacit® – peptizing agents

n Formalities, Contact data

31 Disclaimer

From the days of the invention of synthetic rubber until today, our prede-

cessor company and LANXESS have been driving the rubber market.

Based on our long term experience in the rubber industry, we are able to

offer products throughout our portfolio with a superior quality level. This

reliability is also well recognized by our non rubber customers.

Our rubber competence is part of the extensive LANXESS portfo-

lio, which focusses on premium products. Its core business comp-

rises the development, manufacture and sale of high-tech plastics,

high-performance rubber, specialty chemicals and intermediates.

In addition, it helps its customers in the development and imple-

mentation of individual system solutions. In these areas, which are

at the very core of the chemical industry, the Group has specific

expertise in the form of chemical and application-related know-how

andflexibleassetmanagement.TheGroup‘saimis,throughinnovative

products, optimized processes and new ideas, to generate added value

for customers and the company.

LANXESS - THE SUCCESSFUL HISTORY IN RUBBER CHEMICALS

Long term partner for the industry

The business unit Advanced Industrial Intermediates (AII) from

LANXESS is committed to the rubber industry. Our vision is to esta-

blish a long term relationship with our customers by offering more

than just products. Based on a long history our business unit is conti-

nuously working on innovative products and solutions. Even though

the rubber world is our background, our focus is much wider.

Bushy Park, US

Jhagadia, IN

Sales offices (Headquarter in Cologne)

Production site

São Paulo, BR

Cologne, DE

Brunsbüttel, DE

Antwerp, BE

Thane, IN

Shanghai, CN

Pittsburgh, US

of 32: This document contains important information and must be read in its entirety.4

Market Focus, Quality and high level of Expertise

The LANXESS Business Unit Advanced Industrial Intermediates (AII) is

known for high quality industrial chemicals. A broad range of products is pro-

viding the prerequisite for our customers success.

In four business lines, „Benzyl Products and Inorganic Acids“, „Polyols and

Oxidation Products“, „Aromatic Network“ and „Antioxidants and accele-

rators“, we combine long standing production excellence with customer

partnership. Strict market focus as well as market knowledge are laying out

our road of success.

ADVANCEDINDUSTRIAL INTERMEDIATES

of 32: This document contains important information and must be read in its entirety. 5

n LANXESS Headquarter in Cologne, Germany

We offer our products at most advanced levels

Our products have been investigated applying the latest methods for risk

assessment. Our material safety data sheets provide all the information

needed to handle and apply our products safely.

Our processes are designed to minimize impacts on air, water and soil becau-

se of our up-to-date installations. Responsibility is part of our daily operation.

Our neighbour is our partner.

Regular process safety studies, combined with continuous investments into

safety instllations are providing our backbone for plant and transportation

safety. Regular inspections prove our concept.

Our products are of high quality. Our manufacturing processes yield products

of consistant quality for our customers. We have the know how to transport

hazardous goods globally, on time, in full.

If our products and services do not fulfil customers‘ expectations, we

investigate and respond.

Our assets are maintained for long-term operation. Maintenance leads to

high asset reliability with the most advanced technical standards.

Our personnel are well trained and their knowledge and skille contribute

to our business. Our vendors and service providers must fulfil all our

expectations.

REACH means responsible action: We strive to minimize the risks for a set of

enumerated uses as set out in our material safety data sheets.

We are commited to Product Stewardship and Responsible Care Initiatives,

including the European REACH legislation.

COMPETENCE LEADS TOSUSTAINABLE DEVELOPMENT

Sustainable Development – Compliance – Ethical Standards

n The label makes important characteristics of the tire visible.

Tire labeling makes differences visible

Until now these quality ‘grades’ of the tires could not be seen by the

customer – a shortcoming which was corrected by the EU-wide compulsory

tire labeling. Standardized labeling, which the European Commission intro-

duced in the end of 2012, provides information on three key tire performance

qualities: fuel consumption, wet grip and rolling noise.

There are seven hierarchical grades from A to G. Similar to the energy

classes on refrigerators, there is now also a clear labeling on tires, from

A to G, signaling to which quality class a product belongs.

Tires that offer particularly low rolling resistance and thus lower fuel

consumption receive the top grade: A. As a result of the label, a

customer can immediately tell how “green” his tires really are when making

apurchase.ThenewEUregulationsaim to improveenergyefficiencyand

safety standards of future tires. It enables consumers to make informed

purchasing decisions.

Beside the EU other countries such as South Korea or Japan introduced a

similar tire label. Countries such as Brasil, the United States

or China have already started

to work on their

regulation

as well.


HIGH PERFORMANCE ADDITIVES FOR GREEN TIRES

n Japanese tire label introduced in 2011

n South Korean version introduced in 2012

n The goal of the Green Tires:

Optimalfuel-efficency,bestwetgrip,

lowest tire noise

Essentially, Green Tires are made possible through the use of technically

advanced polymers and rubber chemicals, such as that which LANXESS

supplies throughout the tire industry. Numerous types of materials are com-

pounded into a tire with one goal; the tire must ultimately achieve top grades

inthemostimportantdisciplines–wetgrip,tirenoiseandfuel-efficiency.


Rubber chemicals

Merkapto accelerators

Vulkacit® Merkapto

Vulkacit® DM

Sulfenamide accelerators

Vulkacit® CZ

Vulkacit® NZ

Vulkacit® DZ

Staining antioxidants with

antiozonant effect

Vulkanox® 4010

Vulkanox® 4020

Vulkanox® 4030

Staining antioxidant

Vulkanox® HS

Non staining antiozonants

Vulkazon® AFS

Peptizing agents

Renacit® 10

Renacit® 11

MBT

MBTS

CBS

TBBS

DCBS

IPPD

6PPD

77PD

TMQ

DBD

DBD

n

TIRE APPLICATIONS

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Vulkanox®

Aging processes, which are caused by oxygen or heat, change the proper-

ties of the vulcanizates. Rubbers generally are subject to such changes that

occur in the course of time and can lead to partial or complete destruction.

Possible consequences are depolymerization, fatigue, brittleness, cracks and

even disintegration. The resistance of a rubber article to oxygen, ozone and

other reactive substances is determined mainly by the elastomer on which

the compound is based and by the chemicals that are added to rateard the

destructive processes.

Unsaturaredgroupsintherubbermoleculearethereasonfortherubber‘s

sensitivity to oxygen, which increases with temperature. If catalysts of oxida-

tion (known as rubber poisons) are present, aging is rapid. The results are

hardening and embrittlement, crazing effects and fatigue. Ozone or dynamic

stress (fatigue) lead to cracking on the surface of the rubber article.

Antidegradants such as Vulkanox® are chemicals which protect the vulca-

nizates against damagingexternal influences.Dependingon the chemical

structure, they act against one or more of the aging processes mentioned.

Noneoftheantidegradantsisuniversallyeffective,eachhasadefinitespec-

trumofactivityandcharacteristiceffectiveness,andadefinitepropensityto

discolor the goods if they are exposed to light. Staining antidegradants are

generally more effective than non-staining ones.

Key Properties

nprotection against oxidation, ozone, heat and rubber poisons

nprotection against dynamic stress

Renacit®

Natural rubber is masticated to improve processing. By breaking down the

molecular chain the polymer viscosity is reduced. This is usually achieved by

mechanical forces in a mixer, which consumes energy. The higher the tem-

perature, the faster the mastication. Renacit® mastication agents decrease

the mastication time, and therefore the dump temperature, by a special che-

mical process. Hence, less power is consumed, mixer capacity is increased

and costs are reduced. Renacit® isveryefficient:onlyaverysmallamountis

required.

Key Properties

nreduction of mastication times

nveryefficient

ncost savings, energy savings

LANXESS has driven innovation in the rubber industry since the days of

the invention of synthetic rubber. Over decades LANXESS has developed

a broad spectrum of rubber polymers as well as rubber chemicals. This

range includes all major polymers and rubber chemicals used in tire

and automotive technology, and also additional specialties for technical

rubber goods. Our broad portfolio of high quality rubber chemicals helps our

customers meet their individual performance requirements.

Our complete portfolio consists of accelerators, antioxidants and mastication

agents. Our range of products is designed to meet the demand of our custo-

mers today.

Non-staining and chemically effective antiozonants and Vulkazon® AFS,

cyclic acetal, can be used in white, grey and colored technical rubber goods.

A further advantage of Vulkazon® AFS is that it does not affect the peroxide

curing used for the polymerization of elastomers with a saturated backbone.

A special quality of Vulkanox® HS was developed for the application in semi

conductive layers of medium to high voltage cables. Our “salt free” quality

ensures that the water permeability is significantly lower compared to

standard competitive grades.

Youwillfindanoverviewonourproductportfolioanditsapplicationsonthe

following pages, for further information on our products, please contact your

local sales representative.

Vulkacit®

Vulcanization is the conversion of a high-molecular material from the plastic

to the elastic state. One of the key chemical reactions in this process is that

of rubber with sulfur. Sulfur vulcanization, widely used in the rubber industry,

requires the use of vulcanization accelerators such as Vulkacit®.

Vulcanization accelerators are not catalysts because they are part of the che-

mical reaction. The great variety of accelerators available is a result of their dif-

ferentinfluencesonthevulcanizationkinetics(scorchandcuretime)andon

physical properties such as tensilte strength, elasticity or resistance to aging.

In many cases, accelerators are combined to supply optimal processing and

physical properties.

Key Properties

nMercapto accelerators

very fast accelerators giving a very broad plateau and good aging

resistance.

nSulfenamide accelerators

fast but very safe accelerators providing a steep slope on the rheometer

curve.

WIDE RANGE OF PREMIUM PRODUCTS FOR TECHNICAL RUBBER GOODS


Rubber chemicals Int. abb.

NR/IR BR CR CSM EPDM EPM EVA HNBR NBR HIIR IIR SBR

Merkapto acceleratorsVulkacit® MerkaptoVulkacit® ZMVulkacit® ZM-2Vulkacit® DMSulfenamide acceleratorsVulkacit® CZVulkacit® NZVulkacit® DZStaining antioxidants withantiozonant effectVulkanox® 4010Vulkanox® 4020Vulkanox® 4030Staining antioxidant Vulkanox® HSNon staining antioxidantsVulkanox® SP*Vulkanox® MB2Vulkanox® ZMB2Non staining antiozonantsVulkazon® AFS Peptizing agentsRenacit® 10Renacit® 11

MBTZMBTZMBTMBTS CBSTBBSDCBS

IPPD6PPD77PD

TMQ

SPHMMBIZMMBI

DBDDBD

RUBBER CHEMICALS PORTFOLIO FOR TECHNICAL RUBBER GOODS

* marketed only outside the EU


LANXESS is a globally operating supplier of latex chemicals for the latex

processing industry with a broad product range, tailored to meet the require-

ments of a wide variety of applications.

Several generations of latex specialists

In latex processing LANXESS can look back on a long history of achieve-

ment. Important milestones include the first patent for synthetic latex in

1912 and the development of thiazoles and dithiocarbamates as acce-

lerators, which are particularly suitable for the manufacture of dipped and

molded articles. Further landmarks were innovations in an important class

of zinc oxides, and in colloidal sulfur, antioxidants and special-purpose latex

chemicals.

Expertise at every level

This considerable experience is one of the reasons why LANXESS has

become one of the most important partners of the latex processing industry.

Others include the high quality of the products, which is assured through

internal and external quality management systems, the high reliability of

delivery ensured through in-house production and a worldwide service

network,enablingLANXESStoprovideindividualon-sitesupportforspecific

issues concerning latex.

Pleasefindbelowinformationonourportfoliooflatexchemicals.Forfurther

or more detailed information e.g. on food contact applications please do not

hesitatetocontactourlocalexperts.Youwillfindtheiraddressesattheend

of this brochure.

Know-how for your products

Whatever your application is, chemicals experts at LANXESS will provide

individual technical advice tailored to your needs. We are aiming to optimize

applications for individual customers by modifying products or formulations.

Examples of solutions

For producers of rubber threads, for example, a special formulation of the

accelerator ZMBT containing only a small amount of free MBT has been

developed.

Due to its structure, MBT can cause breakage in fine rubber threads. By

reducing the free MBT content we have managed to improve the quality

and reduce the number of rejects. The following pages illustrate further

examples.

Latex chemicals

Coagulated goods Foams Shoes Automotive

AcceleratorsNaMBT Solution

AntioxidantsVulkanox® SP*

Vulkanox® MB2/MG

Vulkanox® ZMB2/C-5

Vulkanox® HS

NaMBT

SPHMMBIZMMBITMQ

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Car

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Art

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Ad

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Leat

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Gas

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Ru

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Wip

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LATEX APPLICATIONS

Latex applications

* marketed only outside the EU


Property required Latex types End product Crosslinking

vulcanization

Chemicals

High elasticity

High elasticity

Low permeability

Low swelling

High elasticity

Foamability,

mechanical stability

Abrasion resistance

Washability

Stiffness

Good bonding

Flexibility

Oil resistance

Ozone resistance

Permeability

Natural latex (NR)

Natural latex (NR)

Nitrile latex (NBR)

Nitrile latex (NBR)

Natural latex (NR)

Styrene-butadiene latex

(SBR)

Nitrile latex (NBR)

Nitrile latex (NBR)

Styrene-butadiene latex

(SBR)

Chloroprene latex (CR)

Natural latex (NR)

Nitrile latex (NBR)



Examination gloves

Surgical gloves

Balloons, Condoms

Rubber threads

Surgical gloves

Industrial gloves

Gaskets

Mattresses

Carpet backing

Artificialleather

Industrial gloves

Wiping cloth

Toe caps

Inner soles

Leatherboard

Industial gloves

Weather balloons

Gloves

Vulcanization paste

Vulcanization paste

Vulcanization paste

Vulcanization paste

Vulcanization paste

Vulcanization paste

Vulcanization paste

Vulcanization paste

No paste

Vulcanization paste

Vulcanization paste

Vulcanization paste

Vulcanization paste

Vulcanization paste

Vulkacit® ZM-2, Vulkanox® MB2/MG

Vulkacit® ZM-2

Vulkacit® ZM-2

Vulkacit® ZM, Vulkanox® SKF*

Vulkacit® ZM, Vulkanox® BKF, Vulkanox® SKF*

Vulkacit® ZM, Vulkanox® HS


Vulkacit® ZM

––

Vulkanox® BKF



Vulkanox® BKF, Vulkanox® MB2/MG

Vulkanox® BKF

Chloroprene latex (CR) Inner soles Vulcanization paste Vulkanox® BKF

LATEX FORMULATION GUIDELINE

* marketed by LANXESS Distribution


TAILOR MADE SOLUTIONS

FOR VARIOUS APPLICATIONS

Based on the long history in the produc-

tion of high performance chemicals, today

LANXESS business unit Advanced Industrial

Intermediates (AII) is offer-ing a wide port-

folio of additives and intermediates to nu-

merous industries. In addition, our portfolio

contains certain special grades of products,

tailormadeforspecificapplications.

n Products of our portfolio: proven in use for

the production of precious metals


With its nitrogen and sulphur functionality, Vulkacit® Merkapto is a very

versatile molecule and used across several industries. Mercaptobenzo-

thiazole (MBT) as well as benzothiazole (BT) are important intermediates in

the synthesis of several active ingredients such as for pharmaceutical and

agricultural use.

For example in the production of 3rd and 4th generation of cephalosporin

antibiotics MBT is used in the synthesis of the intermediate GCLE based

on penicillin G. The synthesis route via GCLE offers several advantages com-

pared to other routes like

n higher recovery yield

n simple process

n cost advantage

Vulkacit® Merkapto is available from LANXESS in several pharma qualities,

higher than 99% HPLC purity grade.

For cephalosporin synthesis based on MICA acid as raw material,

Vulkanox® DM (MBTS) is used as a protection group.

Also Vulkanox® MB-2 has a merkapto functionality that makes it a versatile

building block in organic chemical synthesis. It is used as an intermediate

to manufacture generic proton-pump inhibitors (PPI) as Lanzoprazole and

Rabeprazole.ThesePPI’sareslowingorpreventing thestomach’sproduc-

tions of gastric acids.

O

NH

OClN

O

O

O

S

n Synthesis of antibiotics intermediate GCLE is based on MBT

Merkapto products for pharma and agro applications

Flotationisaseparationprocessthatclarifiesawaterphasebytheremoval

of suspended matter such as oil or solids. The removal is achieved by dis-

solving air in the water or waste water under pressure and then releasing

theairatatmosphericpressureinaflotationtankorbasin.Thereleasedair

formstinybubbleswhichadheretothesuspendedmattercausingittofloat

to the surface of the water where it may then be removed by a skimming

device. Flotation is very widely used in treating the industrial waste water

fromoilrefineries,petrochemicalandchemicalplants,naturalgasprocessing

plants, and paper mills.

Thechemical functionalitymakesMBTanexcellentflotationagentused in

the processing of mineral ores. MBT gets ionized in alkaline media and con-

sists of a neutral (-hydrophobic) part and an ionic part. In NaMBT, the MBT is

already ionized. The ionic part will cover ionic parts as metals, whereas the

hydrophobic part will bond to hydrophobic gas bubbles. The gas bubbles

usedinflotationprocesseswillfloattheseup.

Vulkacit® Merkapto and sodium mercaptobenzothiazole from LANXESS are

excellentcollectorsfortheflotationofmanypreciousmetalslikegold,lead,

molybdenum, platinum, silver, copper, nickel and zinc.

nFrothflotationasaprocesstocollectcertainmetalsfrommineralores

Mercaptobenzothiazole products in froth flotation

n Products of our portfolio: proven in use for

the production of precious metals


Corrosion inhibitors based on mercaptobenzothiazole products

The amphiphilic character of NaMBT helps to prevent corrosion in all types of

water circuits. With its ionic part the molecule is bonding to the metal surface,

coveringitandformingafilmlayer.Asthislayerishydrophobic,thewateris

repelled from the metal surface.

Sodium MBT from LANXESS is used in cooling circuits of power plants as

wellasunderacidiccondition(highloadofhydrogensulfide)inforexample

gas compression units.

Mercaptobenzothiazole products for biocides

Mercaptobenzothiazole and its sodium salt are the major raw materials for

the synthesis of 2-(thiocyanomethylthio) benzothiazole (TCMTB, ). TCMTB is

a micro biocide, an active ingredient of fungicides and an antifouling agent

used as a substitute for chlorophenols in industrial applications.

Vulkanox® additives for fuel and oil applications

Vulkanox® 4005 is used at different stages in the supply chain of the fuel

industry. Vulkanox® 4005 is used during the gasoline manufacture process

as a short-term stabilizer preventing gum formation due to the oxidation of

gasoline components.

In the storage of fuel products Vulkanox® 4005 has proven its effectiveness

as an anti-oxidant to increase the oxidation stability of diesel and biodiesel

blends as well as for the long-term storage stability of strategic gasoline and

dieselsupplies.Also indieselwithasignificantamountofbio-components

Vulkanox® 4005 prevents oxidation of these bio-components otherwise

resulting in fouling of fuel tanks and modern engine fuel injection systems.

n Performance of Vulkanox® antioxidants in fuels and oils studied in the

laboratory

Vulkanox® 4005obtainedtheNo-HarmCertificatefromtheGermanInstitute

AGQM Biodiesel.

In cooperation with the mineral oil industry the AGQM developed certain test

criteria. Addtives have to pass for a safe use from blending the mineral diesel

with biodiesel and the application and combustion of the diesel containing up

to 10% biodiesel in the engine.

ARBEITSGEMEINSCHAFT QUALITÄTSMANAGEMENT BIODIESEL E.V. Claire-Waldoff-Str. 7 · 10117 Berlin · Tel.: +49 (30) 31 90 44 33 · Fax: +49 (30) 31 90 44 35

Certificate

We hereby confirm to LANXESS Deutschland GmbH

Kennedyplatz 1 50569 Köln Germany

that the oxidation stabilizer

Vulkanox 4005

was successfully tested in the project

Evaluation of No-Harm Properties and Relative Efficiency of Oxidation Stabilizers for Fatty Acid Methyl Ester as Fuel Component

(AGQM-Project 550_2008_3)

November 2012 – July 2013

The product was tested as follows:

Vulkanox 4005 - B 1058 In particular, we confirm that the no harm criteria specified in the project report were met and the relative efficiency against 3,5-di-tert-butyl-4-hydroxy-toluene (BHT) was evaluated. The project report is part of this certificate.

Berlin, 16/07/2013

Dr. Andrea Seifert Managing Director

Dr Juergen Fischer Chairman of Arbeitsgemeinschaft Qualitaetsmanagement Biodiesel e.V.

AGQM Arbeitsgemeinschaft Qualitaetsmanagement Biodiesel e.V. Claire-Waldoff-Str. 7 10117 Berlin

GERMANY

Tel.: +49 (30) 31 90 44 33 Fax: +49 (30) 31 90 44 35 e-mail: [email protected] Internet: www.agqm-biodiesel.de

nAGQM-Certificate

Vulkanox® 4005 can be found on

the published AGQM list which is

named as a reference in the German

fuel standard DIN 51628.

LANXESS is leveraging its know-

ledge and expertise on oxidati-

on chemistry to develop further

amininic antioxidants highly

effective in group I base oils

as well as in the high performance

group III base oils. Please get in

contact with our technical experts

tofindoutmoreabouttheseoppor-

tunities, LANXESS products can

offer.

n Chemical plants, power plants -

typicalfieldsofoperationfor

NaMBT from LANXESS in water

circuits

n MBT as raw material for leather

protection


Vulkanox® 4030 is a liquid phenylene diamine antioxidant similar to

Vulkanox® 4005, however, with larger carbon groups attached to it

affecting its solubility in fuels and oils. Vulkanox® 4030 is slightly more

effective in group I base oils. Furthermore, Vulkanox® 4030 can be used

to reduce fouling of catalyst in crude cracking and as column antifoulant,

as polymer stabilizer in E-SBR production, as polymer inhibitor in monomer

processing (e.g. acrylate monomer) and as chain extender in the manufac-

turing of polyurea for coatings.

n Manufacturing process of polyurea for coatings

Vulkanox® MB2 is typically used as effective antioxidant and synergist for

the primary antioxidant, a hindered phenol. Another application is the use of

Vulkanox® ZMB2 in peroxide cured EPDM cable insulation where it increases

the electrical resistivity of the insulation shell.

Polymer protection by Vulkanox® products

Vulkanox® HS shows excellent oxidation prevention even in peroxide cured

polymers. Besides rubber applications it can be used to protect e.g. cross-

linked polyethylene (XPE). With our special salt free quality of Vulkanox® HS,

LANXESS Advanced Industrial Intermediates (AII) offers a valuable

product to industries, where highest purity standards are needed. In

particular this product is widely used in the manufacturing of critical cable

compounds.

Vulkanox® ZMB2 is also a very effective non-staining antioxidant for use in

white and colored peroxide cured electrical cable insulation applications

contributing to an increased electrical resistivity of the polymer insulation

material.

Polymer and material protection with Vulkanox®

n Widely used for critical cable compounds:

Vulkanox® HS


n From research to service: All our processes are

programmed to the success of our customers

PRODUCT OVERVIEW AND DATA


n Renacit ® 11/WG

n Vulkacit® Merkapto MG-C

n Vulkacit® CZ/EG-C

n Vulkanox® HS/LG

The different supply forms

LANXESS rubber chemicals are supplied in various forms to meet the

requirements of our customers. The available supply forms are chosen to

obtain best in class handling and processability as well as work safety

profile. Therefore many products are available in low dust versions as oil

coated or granule type material.

Pleasefindhereanoverviewonthedifferentsupplyformsofrubberchemi-

cals form LANXESS:

– ground powder (or flakes or liquid;

depending on physical condition)

–/C ground powder, oil coated (1-2 % Oil)

–/C5 ground powder, oil coated (4-5% Oil)

–/MG micro granules

–/MG-C micro granules , oil coated (1-2% Oil)

–/EG extruded granules

–/EG-C extruded granules, oil coated (1-2% Oil)

–/LG lentile shaped granules

–/WG wax granules

(– = product name)


S

N SH

Relativescorch time

(TMTD)(ZBEC)

short

long

fast slowRelative cure time

Sulfenamides Thiurams Dithiocarbamates

Specialties Thiazoles

Vulkacit® accelerators Cure characteristics

(in CR & CIIR)

(MBTS)

(CBS)(TBBS)

(DCBS)

(MBT)(ZMBT)

ThiuramZBEC

CRV

DMMer-kaptoZM

DZNZ

CZ

576

ACCELERATORS

n Overview on cure characteristics of several accelerators


Applications

Rubber footwear and other hot-air cured goods, moldings and technical

goods of all types, e.g. roll covers, conveyor belting, transmission belting,

footwear soles and heels, hose, profiles, cables, bicycle and tires, cellular

rubber goods.

Product Vulkacit®

Merkapto/CVulkacit®

Merkapto/MG-CVulkacit® ZM Vulkacit® ZM-2 Vulkacit® DM/C Vulkacit® DM/MG-C

Chemicalcomposition

2-mercapto-benzothiazole

zinc-2-mercaptobenzothiazole

di(benzothiazol-2-yl) disulfide

Internationalabbreviation

MBT ZMBT MBTS

CAS Number 149-30-4 155-04-4 120-78-5

Structure

Density (g/cm3) 1.5 1.7 1.5

Initial meltingpoint (°C)

≥174 –– ≥168

Physicalform

yellowish whitepowder, low dust

yellowish micro-granules, low dust

yellowish whitepowder,

cream-colored powder, low dust

cream-colored microgra-nules, low dust

Standardpackaging

20 kg paperbags on pallets


20 kg polyethylenebags on pallets


Remarks––

free MBT: 11-16%

free MBT: max. 2.0%

––

Product range and typical properties

S

NSH

S

NS Zn

2

N

SS

NS S

0

2

4

6

8

10

12

14

16

0 20 40

torque(dNm)

time (min)

Merkapto(MBT)

DM (MBTS)

Sulfur

Merkapto accelerators

Characteristics

Versatile and fast accelerators

n easily dispersible

n melting points are not reached while incorporation in the compound

n merkapto accelerators sensitize latex compounds

n offer best resistance of the vulcanisate to aging

n show excellent resilience values to manufacture dynamically stressed

goods

n Vulkacit® Merkapto and Vulkacit® DM have a favourable effect on

rubber-to-metal bonding

n in general suitable for all vulcanization methods, Vulkacit® DM in

particularforapplicationsthatrequirelongerflowtimes

n used alone or in conjunction with other accelerators, giving a very broad

plateau and good aging resistance:

n with sulfenamides (Vulkacit® CZ, NZ, DZ) longer scorch and equal

curing time are possible (steep curing characteristic with a delayed

onset of cure).

n In CR (Baypren® types) Vulkacit® DM and Vulkacit® Merkapto show

a retarder effect.


Sodium mercaptobenzothiazole

Characteristics

naniline-basedchemicalintermediateandflotationagent

n NaMBT protects mainly copper and copper alloys from corrosion by

creatingathinfilmonthemetalsurface

n dissolution of these metals is inhibited (no metal ions in the water)

n prevents oxidation of cooling water additives like glycol

n forms a smooth, non greasy, adhesive and colorless layer on the

metal surface

nastheprotectivefilmisverythintheheatexchangebetweenmetalsand

coolants is not impaired

n works synergistic with other corosion inhibitors like sodium benzoate,

borax, silicate, nitrite, molybdate, phosphate and organic phosphorus

compounds

International

abbreviation

CAS Number Structure Property Nominal value Unit

Content of NaMBT 50.25 ±1.25 %

NaMBT 2492-26-4Free alkaline as NaOH ≤0.6 %

Color number (Gardner) ≤18 ––

Dilution in water 1:10 no turbidity ––

Sodium-2-mercaptobenzothiazole

S

NNa

Applications

Sodiummercaptobenzothiazole serves as a flotation agent for themining

industryandasadditiveinvariousfluids.Someexamplesarecoolingcircuits,

waste water treatment and gas compression stations. It is also used as a

major chemical intermediate for biocide production.

S


Applications

Used mainly for tires. Also suitable for dynamically stressed technical

goods, e.g. buffers and conveyor belting, and for technical moldings and

extrudates ingeneral, e.g. seals, hoses, profiles, footwear, cable sheathing

and insulation.

Product Vulkacit® CZ/C Vulkacit® CZ/EG-C Vulkacit® NZ/EG-C Vulkacit® DZ/EG-C

Chemical

composition

N-cyclohexyl-

2-benzothiazyl

sulfenamide

N-tert. butylbenzothiazyl sulfenamide N,N-dicyclohexyl-

2-benzothiazyl

sulfenamide

International

abbreviationCBS TBBS DCBS

CAS Number 95-33-0 95-31-8 4979-32-2

Structure

Density

(g/cm3)1.3 1.3 1.2

Initial

melting

point (°C)

≥98 ≥106 ≥96

Physical

form

white to grayish

powder, low dust

light gray granules, low

dust

white to grayish

granules, low dust

beige granules, low dust

Standard

packaging

20 kg paper bags

on pallets


S

N

S

NH

S C CH3

CH3

CH3

N

S

NH

N

S

S N

2

5

1 0

1 5

2 0

2 5

0 5 15 2 5 3 5 4 5

Vulkacit® CZ (CBS)

Vulkacit® NZ (TBBS)

time (min)

Vulkacit® DZ (DCBS)

Sulfur

Sulfenamide accelerators

Characteristics

n fast, yet very safe accelerators giving a much delayed onset of cure (long

flowcompoundspossible),i.e.steepvulcanizationcurves.

n vulcanization characteristics:

•longscorchtime

•steepvulcanizationcurves

•highplateau

nparticularysuitableforefficientvulcanization(lowsulphurlevel)

n low melting point, easy to dispers

n vulcanizates are characterized by high level of mechanical properties

(elasticity, fatigue resistance) but a lower ageing resistance than those

vulcanizates with merkaptotype accelerators


Vulkanox® – para-phenylenediamine products

Characteristics

n outstanding protection from dynamic stress, oxidation, heat, ozone and

rubber poisons

n severe staining and contact staining

n easy incorporation

nminorinfluenceoncompoundviscosity

nnoinfluenceonmechanicalpropertiesofthevulcanisate

n Vulkanox® 4020 is an excellent stabilizer for polymers, especially for

oil extended E-SBR

ANTIDEGRADANTS

Vulkanox® – antidegradants

LANXESS Rubber Chemicals offers a wide range of antidegradant products

for various applications. Depending on the chemical nature of the antide-

gradant it offers either antioxidative, antifatigue or antiozonant properties.

The group of para-phenylenediamines even combines all these properties.

Nevertheless, staining antidegradants can not be used in all applications, the

portfolio is therefore complemented by a number of non-staining grades.

Vulkanox® 4010 4020 4030 HS BHT BKF MB2 ZMB2 AFS

non staining

antioxidant

anti fatigue

antiozonant

Para-phenylenediamines Amin Mono- Bisphenols Mercaptobenzimidazols Olefins phenols

Product Vulkanox® 4010 NA/LG Vulkanox® 4020/LG Vulkanox® 4020 liquid Vulkanox® 4030

Chemical

composition

N-isopropyl-N‘-phenyl-p-

phenylenediamine

N-(1,3-dimethylbutyl)-N‘-

phenyl-p-phenylenediamine

N,N‘-bis-(1,4-dimethylpentyl)-p-

phenylenediamine

International

abbreviationIPPD 6PPD 77PD

CAS Number 101-72-4 793-24-8 3081-14-9

Structure

Staining(1) 5-6 5-6 5-6 5

Density (g/cm3) 1.1 1.0 1.0 0.9

Initial melting

point (°C)≥76 ≥45 solidificationpoint≥45 ––

Physical form brownish lentil-shaped

granules

brownish lentil-shaped

granules

dark brown liquid dark red liquid

Standard

packaging

25 kg paper

bags on pallets and FIBC

road or rail tanker 180 kg rolling channel

drums on pallets

Remarks

bestanti-flexcrackingeffect,

very good ozone protection,

good heat protection

anti-flexcrackingeffect,slightlylesseffectivecomparedto

Vulkanox® 4010 NA, good anti-aging properties, good

ozone protection

optimum ozone protection, anti

aging properties less effective

compared to Vulkanox® 4010

NA and 4020

Vulkanox® – antidegradants. Product range and typical properties

N

N

H

H

N

N

H

H

N

N

H

H

(1) 0 = no staining ->6 = very heavy staining


0

100

200

300

400

500

600

0 7 14 21 days

none 4010 4020 4030

elo

ng

atio

n a

t b

reak

[%

]

0

5

10

15

20

25

0 7 14 21 days

none 4010 4020 4030

ten

sile

str

eng

th [

Mp

a]

NR, 21 bar oxygen at 70°C


NR, 200 pphm ozone, 23°C

0

20

40

60

80

100

120

140

160

10% 20% 30% elongation

none 4010 4020 4030

tim

e to

init

ial c

rack

ing

Applications

Car, truck, motorcycle, off-road and bicycle tires; technical goods subjected

to dynamic stress; spring components, conveyor and transmission belting,

hoses, seals; cable sheathings and insulations, inner tubes, roll covers.

n Extended time to initial crack formation

n Improved elongation properties

nTensilestrengthsignificantlyimproved


Vulkanox® 4005 – stabilizer and antioxidant

Characteristics

n Vulkanox® 4005 is a stabilizer and antioxidant

nisusedintherefiningprocesstopreventgumformationingasoline

and as a short term stabilizer

nisusedatrefineriesandfuelterminalsstoragetankstoincreasethe

oxidation stability of fuels

n is used for biodiesel production to increase oxidation stability

n is used for blending mineral diesel with biodiesel to increase oxidation

stability

nisusedaspartofadditivepackagestomeetfuelspecification.Itisalso

usedtobringoff-specgasoline,dieselandheatingoilintospecification

n is very effective in unstabilized biodiesel B100 and mineral diesel/

biodiesel blends B20 and B7 (7% FAME)

Product Vulkanox® 4005

Chemical

compositionN,N‘-di-sec-butyl-p-phenylendiamin

International

abbreviation44PD

CAS Number 101-96-2

Structure

Density (g/cm3) (25°C) 0,9

Assay ≥96,0%

Ash content ≤0,10%

Volatile matter ≤0,50%

Viscosity (25°C) 45 mPa.s

Typical properties

N

N

H

H

Applications

Vulkanox® 4005 is used for the stabilization of predominantly fuels. LANXESS

holdsaNo-HarmCertificatefromGerman“ArbeitsgemeinschaftQualitätsma-

nagement Biodiesel eV” for Vulkanox® 4005 in Biodiesel applications. It is a

registered fuel additive per 40 CFR 79.21 with the United States Environ-

mental Protection Agency.

Performance Vulkanox® 4005 in Diesel B 7

30,0

35,0

40,0

45,0

50,0

55,0

60,0

70,0

75,0

65,0

0 50 100 150

Treatrate in ppm

Reference

Vulkanox® 4005

Ind

uct

ion

tim

e in

ho

urs

n Improved protection with Vulkanox® 4005 compared to conventional products

Performance Vulkanox® 4005 in Test Gasoline E10

Treatrate in ppm

0,0

20,0

40,0

60,0

80,0

100,0

120,0

140,0

160,0

180,0

200,0

0 5 10 15 20 25 30

Reference

Vulkanox® 4005

Ind

uct

ion

tim

e in

min

ute

s P

etro

Oxy

AS

TM

D7

54

5


NR, 200 pphm ozone, 23°C


Vulkanox® HS/LG – staining antioxidant

Characteristics

n excellent protection from oxygen and heat

n good protection from rubber poisons

nslightanti-flexcrackingeffect

n medium staining and little contact staining

n low volatility and low migration tendency

n in some cases antiozonant activity

Applications

Used in conjunction with p-phenylenediamines for heavily stressed tech-

nical goods and tires. Used for technical goods in general, e.g. roll covers,

buffers, conveyor and transmission belting, hoses, profiles, seals. Also

suitable for boots and footwear soles and heels. Usable as well in peroxide

and adiation crosslinked vulcanizates.

0

5

10

15

20

25

0 4 8 12 16 20 24 28days

at

100°C

wei

gh

t lo

ss [

%]

4030 (77PD)4010 (IPPD)4020 (6PPD)HS (TMQ)

Product Vulkanox® HS/LG

Chemical

composition

2,2,4-trimethyl-

1,2-dihydroquinoline, polymerized

International

abbreviationTMQ

CAS Number 26780-96-1

Structure

Staining(1) 3

Density (g/cm3) 1.1

Softening point(°C)

90

Physicalform

yellow to

brownish lentil-shaped granules

Standardpackaging

25 kg paper

bags on pallets and FIBC

Remarks

affords very good heat protection, especially

in conjunction with Vulkanox® or MB2;

improves the heat resistance of EPDM;

also suitable for latex

Typical properties

NH

NH

n

H

n Low volatility of TMQ compared to PPDs John et al., Kautsch.

Gummi Kunstst. 36, 363 (1983)


Characteristics

n offer protection from oxygen, heat and unorientated crack formation

(crazing)

n to some extent effective against rubber poisons and fatigue, especially

when used with other antidegradants

n antioxidant activity strongly dependent on vulcanization system

n influence on vulcanization (retarding, cure activation or accelerating,

depending on vulcanization system)

(1) 0 = no staining ->6 = very heavy staining

n excellent synergistic effects in combination with other antioxidants

n non staining; brightening effect especially in transparent goods

n low volatility and extractability

n plasticising effect in compounds with zinc oxide

n mercaptobenzimidazoles are suitable for peroxide cured compounds

and latex

Product Vulkanox®

BKF

Vulkanox®

MB2/MG

Vulkanox®

MB2/MG-C

Vulkanox®

ZMB2/C-5

Chemical

composition

2,2‘-methylene--bis-

(4-methyl-6-tert.-butylphenol)

4- and 5-methyl-

2-mercaptobenzimidazole

zinc-4- and 5-methyl-

2-mercaptobenzimidazole

International

abbreviationBPH MMBI ZMMBI

CAS Number 119-47-1 53988-10-6 61617-00-3

Structure

Staining(1) 1 0 0

Density

(g/cm3)1.0 1.3 1.5

Initial

melting

point (°C)

≥124 approx. 270,

with decompositionapprox. 300, with decomposition

Physical

form

white to

beige-colored powder

white to

beige-colored micro-

granules

white to beige-colored

microgranules,

low dust

white to

beige-colored powder,

low dust

Standard

packaging

15 kg paper

bags on pallets

20 kg paper

bags on pallets

Remarks

moderate antioxidant effect, enhanced in

dithiocarbamate cured vulcanizates

a brightening effect, especially if goods

are transparent; used particularly

as synergists for other antiozonants; suitable for latex


H

NS

N

Zn

2

Bisphenols and mercaptobenzimidazoles – non staining antioxidants

H

NSH

N

OHOH


Applications

Vulkanox® BKF for light, colored and transparent articles, fabric proofing,

bathing goods, technical rubber goods. Also for goods which must not stain

objects or materials on contact, may show pinking effect in light colored

vulcanisates.

Vulkanox® MB2 and ZMB2 mainly for heat-resistant thiuram cured goods,

whiteandcoloredgoodssuchaslightcoloredfootwear,mats,floorcoverings,

light-colored hoses, white sidewalls, threads and profiles, as well as latex

goods produced by the solution dipping or foaming process.

0

20

40

60

80

100

0 5 10 15time [d]

none MB 2

BKF MB 2/BKF

rel.

ten

sile

str

eng

th [

%]

n Synergistic effect of bisphenols and mercaptobenzimidazoles in NR,

21 bar oxygen and 70°C


Vulkazon® – Olefins - non staining antiozonants

Characteristics

n excellent protection from static ozone cracking

n antizonants for light-colored or black-containing vulcanizates which must

not stain through contact

nmostefficientwhenappliedincombinationwithwaxes

Vulkazon® AFS is particularly recommended for light-colored and non-

contact-staining goods based on CR. In case chloroprene is used as the

elastomeric material to manufacture e.g. timing belts and windshield wiper

blades, the basic resistance of chloroprene to ozone can be significantly

improved by the addition of 0.5 to 2.0 phr Vulkazon® AFS. It is used for

peroxide cured timing belts with high heat aging resistance, made from

hydrogenated nitrile rubber (HNBR).

Vulkazon® AFS

n usage with or without antiozonant wax possible

n highly effective (0,5 – 2 phr) in CR based rubbers, IIR, CIIR and BIIR even

in absence of wax

n no interference with peroxide curing systems

0

20

40

60

80

100

120

140

160

10 %

20 %

30 %

60 %

tim

e to

init

ial c

rack

ing

[h

]

none 1 phr IPPD 1 phr AFS

n CR, 1000 pphm ozone, 23°C,10-60% elongation

Product Vulkazon® AFS

Chemical composition cyclic acetal

International abbreviation ––

CAS Number 6600-31-1

Structure

Density (g/cm3) 1.06

Initial melting point (°C) ≥85

Physical form beige to brown lentil-shaped granules

Standard packaging 20 kg paper bags on pallets

Products and typical properties

O

O

O

O


Renacit® – peptizing agents

Characteristics

n highly effective polymer mastication agent

n substantially reducing mastication times, thus increasing mixing capacity

n reduction of energy consumption to reduce costs

n non-dusting chemical formulation and supply forms

Applications

Renacit® 11 or 11/WG are particularly recommended as peptizers for NR

but are also suitable for synthetic rubber. Renacit® 11 or 11/WG are mainly

used for mastication in internal mixers and mixing mills. Main advantages are

a reduction in energy consumption and improved mixing properties of the

compound.

0

50

100

150

200

250

300

350

0 1 2 3 4 5 6 7 8

with peptizer(0.15 pbw) ML-4 100°C: 50

without peptizerML-4 100°C: 53

Energy consumption45% reduced

Mastication Time [min]

Energy [kW]

n Advantage in energy consumption using Renacit® for mastication

Product Renacit® 11/WG Renacit® 11

Chemical

composition

2,2‘-dibenzamido-diphenyl-disulfide

with activating additive and binder

2,2‘-dibenzamido-diphenyl-disulfide

absorbed on clay, low dust

International

abbreviationDBD (40,5%) DBD (40,5%)

CAS Number 135-57-9

Structure

Density (g/cm3) 1.4 ––

Physical form blue-greenish wax granules grayish powder

Standard

packaging20 kg paper bags on pallets

Products and typical properties

O

Os s NHHN

SPECIALTIES


LANXESS Deutschland GmbH

Advanced Industrial Intermediates (AII)

LANXESS Tower, 50569 Cologne, Germany

www.lanxess.com

Customers in the USA are kindly

requested to refer to:

LANXESS Corporation

Advanced Industrial Intermediates (AII)

Pittsburgh, PA 15275-1112, USA

www.lanxess.com

Additional information

Information concerning compliance with FDA and BfR regulations as also

hazard categories can be obtained on request.

Product safety:

Relevant safety data and references as well as the possibly necessary warning

labels are to be found in the corresponding safety data sheets.

Health and Safety Information:

Appropriate literature has been assembled which provides information

concerning the health and safety precautions that must be observed when

handling the LANXESS products mentioned in this publication. For materials

mentioned which are not LANXESS products, appropriate industrial hygiene

and other safety precautions recommended by their manufacturers should

be followed. Before working with any of these products, you must read

and become familiar with the available information on their hazards, proper

use and handling. This cannot be overemphasized. Information is available

in several forms, e.g., material safety data sheets and product labels. Consult

your LANXESS representative in Germany or contact the Industrial & Envi-

ronmental Affairs Department (IEA) of LANXESS Germany or - for business

in the USA - the LANXESS Product Safety and Regulatory Affairs Department

in Pittsburgh, PA.

Regulatory Compliance Information: Some of the end uses of the products

described in this publication must comply with applicable regulations, such

as the FDA, BfR, NSF, USDA, and CPSC. If you have any questions on the

regulatory status of these products, contact your LANXESS Corporation

representative, the LANXESS Regulatory Affairs Manager in Pittsburgh,

PA or the Industrial & Environmental Affairs Department (IEA) of LANXESS

Germany.

Forward-looking statements:

This product information contains forward-looking statements based on

current assumptions and forecasts made by the LANXESS AG manage-

ment. Various known and unknown risks, uncertainties and other factors

could lead to material differences between the actual future consolidated

results, financial situation, development or performance of the company,

and the estimates given here. The company assumes no liability to update

such forward-looking statements or to conform them to future events or

development.

Renacit®, Vulkacit®, Vulkanox® and Vulkazon® are registered trademarks of

LANXESS AG.

DISCLAIMER

Business Unit Advanced Industrial Intermediates (AII) / Portfolio Order no: LXS-AXX 001 / Edition 2016-02 / Printed in Germany© 2016 LANXESS. All rights reserved.LANXESS Deutschland GmbH, D-50569 Cologne, Germany

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