investigating methods to compatibilizations
DESCRIPTION
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.TRANSCRIPT
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A Strategy for Improving Novel
Polybutadiene TPU-
SEBS Blends:
Investigating Methods to Compatibilization
via Traditional and Emerging Technology®
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Cray Valley HSC2
Overview
Product Characteristics
Application Data
Summary
Overview of Cray Valley HSC
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Cray Valley HSC3
CV Polybutadienes
Poly bd® Polyols
- Unsaturated polybutadiene polyol
- Average 2.4 hydroxyls per chain
- Low Tg & Low Mw
- Low 1,2-vinyl microstructure
Krasol ® Diols
- Unsaturated polybutadiene diol
- Defined 1.95 hydroxyls per chain
- Low Tg & Controlled Mw
- High 1,2-vinyl microstructure
HO
0.6 0.2 0.2 n
OH
OHOH
0.6 0.25 0.15
Krasol LBH 2000, 3000 and 5000OH
OH
Krasol LBH-P 2000, 3000 and 5000
0.6 0.25 0.15
n
n
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Cray Valley HSC4
TPU Synthesis
Thermoplastic Urethane
N≡CO
Polyol
Chain Extender
EHD
DIPA
TMPD
BDO
TDI
Aliphatic MDI
Aromatic MDI
Pre-polymers
2 – 5k Mw
Linear v. Branch
Hydrogenated
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Cray Valley HSC5
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
TPU Attributes
MVTR
0.018 g/h∙m2
Excellent Acid &
Base Resistance
Compatibility w/
polar & non-
polar
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Cray Valley HSC6
Phase 1
Leverage positive
attributes of TPU & TPE
- Abrasion resistance (TPE)
- Mechanicals (TPE)
- Chemical resistance (TPU)
- MVTR (TPU)
- Cost (TPE)
Phase 2
Enhance composition via
compatibilization
- Morphology stability
- Mechanical integrity
- Viable blends
Scope
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Cray Valley HSC7
Kraton G1652 SEBS
Property Value
Elongation 500%
Hardness 69 (A)
Specific Gravity 0.91(@25 C)
Tensile Strength 31 MPa
MFR (230 C/5kg) 6.0
PS Content ~30%
Compatibilizers
Kraton RP6670
- SEBS-g-MA @ 1.7%
- 71 Shore A
- 27 g/10min
Dragonite® HP
- Halloysite nanoclay tube
Material Attributes
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Cray Valley HSC8
0
100
200
300
400
500
600
0
10
20
30
40
50
60
70
80
90
0 20 40 60 80 100
Elo
ng
ati
on
(%
)
Pro
pe
rty V
alu
e (
MP
a &
Sh
ore
A)
TPU Content (%)
Tensile Strength
Hardness
Elongation
Testing in progress:
- Solvent resistance
- MVTR
TPU-SEBS Blend Attributes
High Cost to
Benefit Ratio
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Cray Valley HSC9
Morphology Evolution
60:40 Ratio 40:60 Ratio
Fracture Roughness
Particle Concentration
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Cray Valley HSC10
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
Traditional Compatibilization
Smooth Fracture
Surface
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Cray Valley HSC11
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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Cray Valley HSC12
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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Cray Valley HSC13
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
Cray Valley HSC
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Cray Valley HSC14
Upstream Downstream Chemicals
Focus
• Oil & gas exploration
• Production
• Gas & power
• Alternative energy
• Trading & shipping
• Refining & marketing
• Commodity & specialty
fluids
• Base chemicals
• Industrial & consumer
market specialty
chemicals
Sales
(billion)$24.6 $163.4 $23.2
Employees 17,192 32,631 41,658
Total, a partner in your challenges
Cray Valley HSCA Division of Total SA
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Cray Valley HSC15
Rubb
er
• Performance additives
• Tire & hose applications
• Co-curing agents
Adh
esiv
es
• Pressure sensitive
• Reactive adhesives
• Insulated Glass Sealants
Gro
wth
Mark
ets
• Printed circuit boards
• Pigment Dispersants
• Mineral Dispersants
Cray Valley HSCFocus Markets
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Cray Valley HSC16
Cray Valley HSCGlobal Presence
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Cray Valley HSC17
Cray Valley HSC
For additional information about Cray Valley, its products
or its work in Hydrocarbon Specialty Chemicals,
visit www.CVPolymerAdditives.com