allnex presentation making improvements in energy curable plastic substrate adhesion performance ...
DESCRIPTION
Apresentação da Allnex no seminário RadTech durante a Feira Internacional de Tintas - ABRAFATI 2013.TRANSCRIPT
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MAKING IMPROVEMENTS IN ENERGY CURABLE PLASTIC SUBSTRATE ADHESION PERFORMANCE
Paulo Roberto Vieira Jr, PhD
September 18th, 2013
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INTRODUCING…
3www.allnex.com
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ABOUT OUR BUSINESS
• $ 1.5 billion Company with main focus on Resins
• A global leader in the $30 billion coating resins industry
• Strong position in its four Product Lines:
- Liquid Resins & Additives
- Radiation Curable Resins
- Powder Coating Resins
- Crosslinkers
• Multiple end user segments:
- Automotive
- Industrial
- Packaging Coating and Inks
- Protective
- Consumer Electronics & Industrial Plastics
- Specialty Architectural
Industry’s broadest resins portfolio
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• 16 Manufacturing facilities
• 13 research and technology centers
• 2 joint ventures (Korea & Japan)
OUR WORLDWIDE LOCATIONS
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2,000 DEDICATED EMPLOYEES
Headquartered in Brussels, Belgium,
with regional lead offices in Shanghai,
China and Georgia, USA.
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OUR TECHNOLOGIES
Industry’s broadest resins portfolio
Allnex
Ke
y t
ech
no
log
ies
Ke
y s
eg
me
nt
Radiation Curable Resins
� Inks & Overprint Varnishes
� Industrial Wood
� Plastic
� Eletronics
Oligomers
Urethane Acrylates, Epoxy
Acrylates, Polyester
Acrylates, Amino Acrylates
Monomers
UVEKOL® Glass Lamination
Vancryl Acrylics
Powder Coating Resins
� Architectural Extrusions
� Domestic Appliances
� General Metal
Polyester Resins
Hybrid, Standard Durable,
Super Durable
UV Powder Resins
Additives & Masterbatches
Exa
mp
le e
nd
use
r
ap
pli
cati
on
s
Liquid Resins & Additives
� Automotive
� Protective & General Metal
� Architectural
� Plastic
Waterborne
PUD, Alkyds, Epoxies, Acrylics,
CED Resins
Solventborne
Alkyds, Epoxies, Acrylics,
Coating Additives
Urethane Specialties
Crosslinkers
� Industrial Wood
� Metal Packaging
� Automotive
� Tires & Rubber Products
Aminos Crosslinkers
Formaldehyde-Free
Crosslinkers
Phenolic Coating Resins
Technical Phenolics
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Market size*:
11,000 Companies in Brazil (45% São Paulo, 25% South)
6,6 millions tons of plastics produced / Year
20Bi USD Market
*(2012)
Source: ABIPLAST
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Packaging
Automotive
Electronics
Adhesives
Lamination
Forming (Thermoforming / In mold) substrates
Furniture (PVC edges)
Textile (Synthetic Leather)
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Source: RADTECH North America
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Instant conversion of a reactive liquid in a solid induced by ultraviolet
radiation through double bonds
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Market Environment:
Growing segment due to versatility
Variety of compositions
Cost / Competitiveness – Quality
Technical Challenges - ADHESION:
Crystallinity
Polarity
Surface Tension
Shrinkage
ALL of these vs. Mechanical and Chemical Performance (Toughness/Flexibility, Scratch and chemical resistance, yellowing, monocoats)
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> crystallinity, the more difficult it is to get adhesion
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Image courtesy: fusedglass.org
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When the liquid meets the solid – Contact Angle
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CHALLENGES for UV curing:
POLARITY of regularly used components, which leads to higher
surface tensions
SHRINKAGE of the cured film due to retraction during the
conversion of monomers and oligomers into a polymer
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ROUTE PRODUCT Effect
Lowering the Tg of the ink
formulation
EBECRYL® 745
EBECRYL® 767 (acid modified)
EBECRYL® 8411 (300% elong.)
EBECRYL® 242
Less double bounds in the system
will lead to a lower shrinkage of the
film, helping on the adhesion.
Improve interaction between
the film phase and the
substrate
EBECRYL® 436
EBECRYL® 438
EBECRYL® 524 (acid modified)
chlorination plays an important
adhesion promoting role.
Surface tension balance EBECRYL® 303
Better substrate wetting enabling
good adhesion and leveling
Addition of acidic modified
methacrylate adhesion
promoters
EBECRYL® 168
EBECRYL® 170
EBECRYL® 171
Substrate anchoring promotion
Substrate pre-treatments, such as corona or flame treatment. Even the use of primers.
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EBECRYL® 411 narrow web application on BOPP
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Water immersion
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EBECRYL® 571 Shrinking Properties
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EBECRYL® 571 Shrinking Properties
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Ink film thickness: 1 ~ 2µµµµm
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EBECRYL 452 is a new energy curable resin, that combines low viscosity
along with excellent pigment wetting properties.
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• Functionality, theoretical 4
• Dynamic viscosity ~600 cP at 25°C
• Density 1.15 g/cm3
• Appearance Clear, dark amber liquid
• Suitable for use with 3 roll mills where higher pigment loadings is achieved versus using
standard grind vehicles.
• Allows low viscosity pigment concentrates to be produced, for use in bead mills.
• Can be used for a wide range of organic and inorganic pigments.
• Minimizes the use of low molecular weight and low functionality products.
Typical physical properties
Features
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Varnish
(EB 3415)
Ink let down
(EB 411, EB 571)
Substrate
Grinding
(EB 452)
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Excellent cure speed
High gloss
Good intercoat adhesion
Excellent adhesion to a variety of plastic substrates
including:
� Polycarbonate
� Polystyrene
� Polyethylene terephthalate, glycol-modified (PET-G)
� Polyvinyl chloride (PVC)
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Component %
Ebecryl 3415 39 %
ODA-N 25 %
Ebecryl 242 10 %
Photoinitiator 5 %
Sílica 5 %
Wax 16 %
Matt finish over Polystyrene
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Allnex offers a complete range of products for a full high performanceenergy curable system to meet most demanding requirements and market
needs
Adhesion over a wide variety of substrates
Grinding Performance (Pig. Wetting)
Excellent reactivity
Mechanical behavior (Shrinking)
Low yellowing
Very good water resistance
Image courtesy: Biotropic cosmetics
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Notice: trademarks indicated with the ®, ™ or * are registered, unregistered or pending trademarks of Allnex Belgium SA or its directly or indirectly affiliated Allnex Group companies.
Disclaimer: Allnex Group companies (“Allnex”) decline any liability with respect to the use made by anyone of the information contained herein. The information contained herein represents
Allnex's best knowledge thereon without constituting any express or implied guarantee or warranty of any kind (including, but not limited to, regarding the accuracy, the completeness or
relevance of the data set out herein). Nothing contained herein shall be construed as conferring any license or right under any patent or other intellectual property rights of Allnex or of any
third party. The information relating to the products is given for information purposes only. No guarantee or warranty is provided that the product and/or information is adapted for any
specific use, performance or result and that product and/or information do not infringe any Allnex and/or third party intellectual property rights. The user should perform its own tests to
determine the suitability for a particular purpose. The final choice of use of a product and/or information as well as the investigation of any possible violation of intellectual property rights of
Allnex and/or third parties remains the sole responsibility of the user.
©2013 Allnex Group. All Rights Reserved.
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For more information, please visit us
Booth #68 or at www.allnex.com.
Thank you for your
attention.
Contact Name:
[Paulo Roberto Vieira Jr – South
America]
Cell Phone: [+55 11 96612-2447]
E-mail: [email protected]
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THANK YOU
www.allnex.com
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