thixatrol pm 8058 next generation rheology modifier for
TRANSCRIPT
THIXATROL® PM 8058Next generation rheology modifier for greater performing, more sustainable protective coatingsOCCA SEMINARPresented October 13th, 2021, byUdo Schonhoff, Technical Sales Manager
Elementis company introductionRECOGNIZED LEADER IN RHEOLOGY AND PERFORMANCE ADDITIVES
Established in 1844Employs >1,600 colleagues around the worldServing Coatings, Personal Care, Energy and Chromium markets>30 locations
27 manufacturing plants3 innovation centers
2018 sales revenue of $822mWorld’s largest source of high-quality hectorite clay Supplier of high-performance natural talc
Strong network of supply and technical/application support
Leadership in rheology and specialty additives• Renowned brands (BENTONE® , RHEOLATE ®
, NUOSPERSE ® and THIXATROL® ) and technologies
Established in coatings applications (architectural, industrial, waterborne and solventborne, adhesives and sealants, and more)
Strong focus on sustainable products and solutions
Udo SchonhoffIN A NUTSHELL…
3
47 years old• Technical Sales Manager• With Elementis since 1999• Previous Bayer; BorchersMarried• 1 son; 14 years oldBicyclingPhotography
AgendaNISAT BASED RHEOLOGY MODIFIERS
4
Introduction, market overviewTechnical background organic thixotropesProduct overview diamide based THIXATROL® gradesCase study: THIXATROL® PM 8058 in industrial protective epoxy coating
Influence of various solvent polarities on efficiency Affect on
Sag control Storage stability Comparison to market references
Methods of incorporationConclusion
5
Market introduction
Corrosion Protection CoatingsREGIONAL REVIEW
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Source: Marketsand markets Reasearch Pvt Ltd. (www.marketsandmarkets.com)
Epoxy Accounts for the Largest Share in Corrosion Protection
7
Source: Marketsand markets Reasearch Pvt Ltd. (www.marketsandmarkets.com)
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Diamide based organic thixotrope Product overview and Background
THIXATROL® - Diamide based thixotropes
9
Composition• 100 % active powder based on special diamide (0% castor derivative)• Thixotropic additive for low to high polarity systems• > 75% based on renewable resourcesTHIXATROL® Plus• Very efficient in top coatings / not recommended for primersTHIXATROL® Max• Very efficient for primers and top coats and MS polymer based systemsTHIXATROL® AS 8053• Low-temperature applicable for adhesive and sealants applications• Especially recommended for MS polymer sealants and adhesivesTHIXATROL® PM 8054• Broad band applicable, highly effective grade for industrial applicationTHIXATROL® PM 8056• Low-temperature applicable, highly effective grade for industrial systemsTHIXATROL® PM 8058• Low-temperature applicable, highly effective grade for industrial systems; suitable for highly polar systems
New product
ThixatropeActivation- How it Works
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Wetting/Deagglomeration
• 15’- 20’ mixing @ ambient temperature
Dispersion/Activation/Dwell Time
• 15’- 20’ dispersion @ target processingtemperature
Cool Down
• Agitate! (castor based)• Cool to below target
activation temperature
THIXATROL® PM 8058INTRODUCING A NEW APPROACH
• Less influence on performance by polar solvents like alcohols – e.g. Benzyl
alcohol
• Higher Efficiency
• Low temperature activation
• Broad activation window
• Flexible and easier to incorporate
11
12
Test System
2 Component Epoxy- protective coating
Testing formulations2C EPOXY VHS-1 FORMULATION FORMULATED WITH VARIOUS SOLVENT COMPOSITION
XYLENE RICH ISOBUTANOL RICH BENZYL ALCOHOL RICH
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Xylene Isobutanol Benzylalcohol
High build epoxy coating equipped with varying solvent compositions; 0.5% rheology modifier; Solvent ratio calculated only including parts of the component A! Xylene content includes also the solvent part of the epoxy resin
62.920.9
16.3 14.7
75.6
9.8 14.79.8
75.6
THIXATROL® PM 8058 vs Reference SOLVENT INFLUENCE ON VISCOSITY BUILD
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Rheology curves determined using the Anton-Paar MCR 301 rheometer, equipped with PP 50 measuring geometry at a temperature of 23°C and a gap width of 1 mm;High build epoxy coating equipped with varying solvent compositions; 0.5% rheology modifier activated at 66°C; Solvent ratio calculated only including parts of the component A! Xylene content includes also the solvent part of the epoxy resin
0
5
10
15
20
25
30
35
40
45
50
0.1 1 10 100 1000
Visc
osity
[Pas
]
Shear rate [s-1]
-42.1
10.2
-49.5
35.6
-50
-25
0
25
50
∆Vi
scos
ity [%
]StandardReference, Xylene dominantReference OTIsobutanol richBenzyl alcohol richTHIXATROL® PM 8058Isobutanol richBenzyl alcohol rich
THIXATROL® PM 8058 vs Reference SOLVENT INFLUENCE ON VISCOELASTICITY
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Rheology curves determined using the Anton-Paar MCR 301 rheometer, equipped with PP 50 measuring geometry at a temperature of 23°C and a gap width of 1 mm;High build epoxy coating equipped with varying solvent compositions; 0.5% rheology modifier activated at 66°C; Solvent ratio calculated only including parts of the component A! Xylene content includes also the solvent part of the epoxy resin
0
1
2
3
4
5
6
7
2 3 4
Dam
ping
fact
or /
tan
delta
Time [min]
Strain = 1.0%Ш = 10 rad/s
Shea
r rat
e =
1000
s-1
tan
delta
< 1
=
G` >
G“
tan
delta
> 1
= G
“ > G
`StandardReference, Xylene richReference OTIsobutanol richBenzyl alcohol richTHIXATROL® PM 8058Isobutanol richBenzyl alcohol rich
5.06.8
16.7
3.65.3
02468
1012141618
Tan
delta
afte
r she
ar
Incr
easi
n flu
id c
hara
cter
160
>220 >220
70
110
020406080
100120140160180200220
Rec
over
y tim
e fo
r ta
n de
lta 1
[s]
Decr
easi
ng re
cove
ry ti
me
Recovery time
THIXATROL® PM 8058 vs Reference SAG CONTROL
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Reference OT200 µm
300 µm
450 µm
500 µm
550 µm
550 µm
THIXATROL® PM 8058
250 µm
500 µm
900 µm
1300 µm
1300 µm
150 µm
300 µm
400 µm
600 µm
700 µm
750 µm
150 µm
THIXATROL® PM 8058 vs Reference ACTIVATION WINDOW IN XYLENE DOMINATED SYSTEM
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0
20
40
60
80
100
120
35 40 45 50 55 60 65 70 75
Visc
osity
at 0
.1 s
-1[P
as]
Activation temperature [°C]
THIXATROL® PM 8058
Conventional diamide
62.9% Xylene
20.9%16.3%
Rheology data determined using the Anton-Paar MCR 301 rheometer, equipped with PP 50 measuring geometry at a temperature of 23°C and a gap width of 1 mm; High build epoxy coating with a standard, Xylene rich solvent composition; 0.5% rheology modifier activated at various temperature; the individual activation time was held constant for 30 minutes at high shear for minutes
THIXATROL® PM 8058ACTIVATION TEMPERATURE AND TIME IN XYLENE DOMINATED SYSTEM
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62.9% Xylene
20.9%16.3%
Rheology data determined using the Anton-Paar MCR 301 rheometer, equipped with PP 50 measuring geometry at a temperature of 23°C and a gap width of 1 mm; High build epoxy coating with a standard, Xylene rich solvent composition; 0.5% rheology modifier activated at various temperature; the individual activation time was held constant at high shear for minutes
40
60
80
100
120
140
160
35 45 55 65 75
Visc
osity
[Pas
]
Activation temperature [°C]
Viscosity at 0.1 s-1
30 minutes activation45 minutes activation
THIXATROL® PM 8058 vs Reference STORAGE STABILITY IN XYLENE DOMINATED SYSTEM
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62.9% Xylene
20.9%16.3%
Rheology data determined using the Anton-Paar MCR 301 rheometer, equipped with PP 50 measuring geometry at a temperature of 23°C and a gap width of 1 mm; High build epoxy coating with a standard, Xylene rich solvent composition; 0.5% rheology modifier activated at various temperature; the individual activation time was held constant at high shear for minutes; Graph displays the viscosity and sag differences between 30 minutes and 45 minutes of dispersing time at the relevant activation temperature
131.
9
4.3
-7.6 -7.5 -7.8
60
0 0 0 0
-40
-20
0
20
40
60
80
100
120
140
160
Ʌ Vi
scos
ity/s
ag a
fter 4
wee
ks/5
0°C
[%]
35°C 45°C 55°C 65°C 75°CActivations temperature [°C]
Ʌ Viscosity at 0.1 s-1
Ʌ Sag control
THIXATROL® PM 8058 vs Competitors
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0
200
400
600
800
1000
1200
1400
1600
1800
2000
0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 1 1.05 1.1
Sag
as o
f lay
er th
ickn
ess
[µm
]
Concentration rheology modifier [%]Sag control determined by blade application; The longer the bar the better the performance; High build epoxy coating with a standard, Xylene rich solvent composition; rheology modifier activated at 66% and a shear of 12 m/s applied by cowles/tooth bladed dissolver
Concentration reference 1%
THIXATROL PM 8058
Reference 1 ~ 0.735%
Reference 2 ~ 0.6%
Reference 3Reference 4Reference 5
~ 0.45%
Recommended processing
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Grind Process
Speed 16 m/s
Time [min]
Tem
pera
tur[
min
]
Addition of organicthixotrope at 16 m/s
Addition of all raw materials
66°C
Grinding / Activation processca. 28 – 32 min
„Lab Screening“ Process
Speed 12 m/s
Time [min]
Addition organic thixotropes at 12 m/s
Addition of all raw materials
Grinding Processca. 15 min
Grinding Processca. 30 min
50°C
Tem
pera
tur[
min
]
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Conclusion
Conclusion
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• THIXATROL® PM 8058 provides high performance• Proven in 2 C Epoxy system
• Includes variation in solid content and different formula ingredients
• THIXATROL® PM 8058 provides a better compatibility when formulation contains high level of various alcohols (Iso-Butanol, n-Butanol or Benzylalcohol)
• Performance is more stable
• Improved paint storage stability at 50 °C
• THIXATROL® PM 8058 provides a broad activation window from 45 – 75 °C• Offers greater flexibility in paint production
• Lower temperatures= energy savings
• Cost savings when replacing competition due to the higher effeciency
• Lower loading level has a less pronounced influence on secondary paint properties (e.g.adhesion)
• 82% based on renewable raw materials for sustainable formulations
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Contact details
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Udo SchonhoffTechnical Sales Manager EMEATel +49 (0) 162-101 37 [email protected]
Ana SanchezSales Manager Tel +34 616 9909 [email protected]
For immediate technical assistance:[email protected]; [email protected]