This presentation by Cray Valley focuses on improving novel polybutadiene TPU-SEBS blends through traditional and emerging technology. Product characteristics and application data are reviewed.

1. A Strategy for Improving Novel
Polybutadiene TPU-
SEBS Blends:
Investigating Methods to Compatibilization
via
Traditional and Emerging Technology®

2. Overview
 Product Characteristics
 Application Data
 Summary
 Overview of Cray Valley HSC
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3. CV Polybutadienes
 Poly bd® Polyols
- Unsaturated polybutadiene polyol
- Average 2.4 hydroxyls per chain HO OH
- Low Tg & Low Mw 0.6 0.2 0.2 n
- Low 1,2-vinyl microstructure
 Krasol ® Diols OH
OH
- Unsaturated polybutadiene diol 0.6 0.25 0.15 n
- Defined 1.95 hydroxyls per chain OH
Krasol LBH 2000, 3000 and 5000 OH
- Low Tg & Controlled Mw
0.6 0.25 0.15 n
- High 1,2-vinyl microstructure Krasol LBH-P 2000, 3000 and 5000
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4. TPU Synthesis
2 – 5k Mw
Linear v. Branch
Hydrogenated
Chain
Extender
Polyol
EHD
DIPA
TMPD N≡CO
BDO
TDI
Aliphatic MDI
Aromatic MDI
Pre-polymers Thermoplastic Urethane
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5. TPU Attributes
Property Value
Elongation ~350%
Hardness 80 (A)
Modulus @ 100% 5.6 MPa
Specific Gravity 0.96 (@25 C)
Tensile Strength 14.0 MPa
Tg -35 C
MFR (190 C/2kg) 5.3 g/10min
Compatibility w/
MVTR Excellent Acid &
polar & non-
0.018 g/h∙m2 Base Resistance
polar
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6. Scope
Phase 1 Phase 2
 Leverage positive  Enhance composition via
attributes of TPU & TPE compatibilization
- Abrasion resistance (TPE) - Morphology stability
- Mechanicals (TPE) - Mechanical integrity
- Chemical resistance (TPU) - Viable blends
- MVTR (TPU)
- Cost (TPE)
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7. Material Attributes
Kraton G1652 SEBS Compatibilizers
Property Value  Kraton RP6670
Elongation 500% - SEBS-g-MA @ 1.7%
Hardness 69 (A)
- 71 Shore A
Specific Gravity 0.91(@25 C)
- 27 g/10min
Tensile Strength 31 MPa
MFR (230 C/5kg) 6.0  Dragonite® HP
PS Content ~30%
- Halloysite nanoclay tube
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8. TPU-SEBS Blend Attributes
90 600
80  Testing in progress:
500
Property Value (MPa & Shore A)
70 - Solvent resistance
60 400
- MVTR
Elongation (%)
Tensile Strength
50
Hardness 300
40 Elongation
30 200
20 High Cost to
100
10 Benefit Ratio
0 0
0 20 40 60 80 100
TPU Content (%)
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9. Morphology Evolution
60:40 Ratio 40:60 Ratio
Fracture Roughness
Particle Concentration
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10. Traditional Compatibilization
A B
TPU 60 60
TPE 40 30
SEBS-g-MA - 10
Elongation 307% 348%
Hardness 74.7 (A) 75.3 (A)
Tensile Strength 6.2 MPa 15.7 MPa
Smooth Fracture
Surface
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11. Emerging Compatibilization
A C
TPU 60 59
TPE 40 40
Dragonite® HP - 1
Elongation 307% 1136%
Hardness 74.7 (A) 81.3 (A)
Tensile Strength 6.2 MPa 20.2 MPa
Reduced Droplet
Diameter
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12. Summary
 Polybutadiene TPU offers unique property set in
elastomeric applications
 Blending with TPE yields more viable material (cost to
performance ratio)
- Leverages best of both components
 Traditional compatibilization offers modest vs. excellent
improvements by HNT
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13. Cray Valley HSC
 Leading global supplier of hydrocarbon resins, diene-
based resins, and specialty monomers
- Wingtack® and Norsolene® (C5 & C9 tackifiers)
- Poly bd®, KrasolTM and Ricon® (low molecular weight liquid
polybutadiene resins)
- SMA® (styrene-maleic anhydride copolymer resins)
- DymalinkTM (metal centered monomers)
 Annual sales over $350 million and has more than 340
employees worldwide
 Company’s more than 250 products are manufactured at
9 sites in 4 countries
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14. Cray Valley HSC
A Division of Total SA
Upstream Downstream Chemicals
• Oil & gas exploration • Trading & shipping • Base chemicals
• Production • Refining & marketing • Industrial & consumer
Focus
• Gas & power • Commodity & specialty market specialty
• Alternative energy fluids chemicals
Sales
$24.6 $163.4 $23.2
(billion)
Employees 17,192 32,631 41,658
Total, a partner in your challenges
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15. Cray Valley HSC
Focus Markets
• Performance • Pressure • Printed
Growth Markets
additives sensitive circuit
boards
Adhesives
• Tire & hose • Reactive
Rubber
applications adhesives • Pigment
Dispersants
• Co-curing • Insulated
agents Glass • Mineral
Sealants Dispersants
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16. Cray Valley HSC
Global Presence
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 For additional information about Cray Valley, its products
or its work in Hydrocarbon Specialty Chemicals,
visit www.CVPolymerAdditives.com
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