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DuPontTM ETPVengineering thermoplastic vulcanizates
Resists Oil and Heat
Introducing
Katherine CookOrvar OtterstedtOctober 29, 2003
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
DuPont™ETPV
Description
Overall Performance
ETPV Positioning
Potential Applications
Grades for Customers Evaluation
Properties
Conclusion
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
DuPont™ETPV Description
Engineering thermoplasticvulcanizates comprising:
High performancecross linked elastomer
Dispersed in a:
High performancethermoplastic engineeringpolymer matrix
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
DuPont™ETPV Description
Behaves like a rubber but processes like athermoplastic
Designed for high performance applications(including those requiring resistance to heat and/or oil)
Halogen free
Recyclable
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
DuPont™ETPV Overall Performance
Depending on the grade:Hardness: ShoreA 60 to 90Tensile strength: 5 to 10 MPaElongation at break: 150% to 200%Compression set 22h at 100°Cafter annealing (1h, 150°C): 35% to 55%Compression set 168h at 100°Cafter annealing (1h, 150°C): 45% to 70%Service temperature: -40°C to 160°C and beyondResistance to oil no3 (70h, 150°C): <50% volume changeBrittleness temperature: -40°CSoft touchExcellent heat aging performance
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
Epichlorohydrine (ECO)
300°C
275°C
250°C
225°C
200°C
150°C
175°C
125°C
100°C
75°C
50°C
J
H
G
F
E
D
C
B
A
Type No req. 140% 120% 100% 80% 50% 30% 20% 10%
ClassA B C D E F G H I
DuPont™ ETPVVamac®
Kalrez®
Viton®
Fluorosilicone
Polyacrylate (ACM)HNBRHytrel®
Alcryn
Nitrile (NBR)
Silicone
Silicone (HS)
EVA(high VA)
Ethylene-propyleneSantoprene
ButylGeolast
SBR & NR
EPDM
HypalonOlefinic TPE
Neoprene
Oil Resistance(% swell in ASTM No 3 Oil)
Heat Resistance
DuPont™ETPV Overall Performance
ASTM D2000 / SAE J200 Specifications.N.b. The purpose of this chart is to give a general overview. Formulation may affect compound performance.
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
DuPont™ETPV vs TPE
Low
Medium
Valu
e &
Per
form
ance
High
Softer (Shore A) Harder (Shore D)
SEBS/SBS
TPU
TEEECOPA
ETPVETPV
TPO-C & R
TPO-V
DuPont™ETPV
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
DuPont™ETPV vs
PA11 / 12 Higher flexibility (rubber like)Better chemical resistance
TPU Better chemical resistanceBetter compression set
TEEE Softer (Shore A)Better chemical resistanceBetter thermal resistanceBetter compression set
DuPont™ETPV vs TPE
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
Thermoset Rubbers(e.g. ECO, HNBR, NBR)
Thermoplastic Processing Oil resistance Heat resistance Flexibility Compression Set Chemical resistance
DuPont™ETPV vs Rubber
Silicone
ECO
HNBRACM
NBR
Global Rubber Market Opportunity (275ktpa)
DuPont™ETPV:vs
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Current Trends for the Rubber Market
AutomotiveLargest market, biggest opportunityNeeds:
Resistance to higher temperaturesWithstand more aggressive chemicalsWithout sacrificing flexibility
Consumer/industrialSoft touch, fluid seals, hose and tubingNeeds:
Adhesion in over moldingCorrosion resistance
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatTPE Replacement of Conventional
Thermoset Rubbers
Replacement driven byPerformance propertiesRecyclabilityEase of processing
Gains in TPE sales Consistently outpaced the general economyMainly as a result of replacing rubber
Recent trends (between 1998 and 2002)Sales in technical applications increased by about 18%TPEs expected to grow 5.2% per year, reaching $1.3 billion
Source: Fredonia Group
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DuPont™ETPV vs TPE and Rubber
Higher performance than leading TPVs and TPEsWithstand higher temperaturesGreater resistances to hydrocarbons
Performance/cost advantages over thermosetrubbers
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DuPont™ETPV AdvantagesComposition
High performance cross linked elastomerHigh performance thermoplastic engineering polymer matrix
Process like thermoplasticsLow part costDesign freedomRecyclability
PropertiesElastomer phase provides high heat resistance, low hardness, creepresistanceThermoplastic phase provides flex life, low temperature toughness,oil/grease resistance
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How DuPont™ETPV stack up…
Higher tensile strength
Recyclability
Processability onstandard thermoplasticequipment
To rubbers To TPEsBetter compression set
Higher servicetemperature
Lower hardness
To traditional TPVsBetter oil resistance
Higher servicetemperature: +30°C ormore
No halogens
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
Process like thermoplasticsInjection molding, 2K molding, blow moldingExtrusion: high-speed, no cure
Automotive applicationsUnder hood hoses, body plugs, CVJ boots, NVH applicationsHose example: tight bend radius like rubber plus low-temp
OtherWherever superior material performance is needed
Where DuPont™ETPV can work for you
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Cost saving vs cured rubber (ECO, HNBR, Silicones)
DuPont™ETPV Main Drivers
Temperature resistance
Heat aging properties
Chemical and oil resistance
Flexibility (rubber like)
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DuPont™ETPV Potential Applications
Where following families of polymers are used:
High performance thermoset rubbers such asECO, silicone, ACM/AEM, HNBR or NBR
High performance TPEs
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Turbo ducts
Potential ApplicationsAutomotive ducts
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
Ventilation hoses
Oil cooler hoses
Potential ApplicationsAutomotive hoses
Requirements: Oil resistance Heat resistance Softness
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications
CVJ boots
Hot side / inboard boots require a soft material that withstands 150°C continuous and 170°C peak temperatures.
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications
Automotive body plug
Requirements:
Heat resistance
Softness
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications
Sealing profiles
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications
Electrical products
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications
Molded parts with “hard-soft” combinations
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications
Molded parts for automotive, industrial, appliance and sporting products
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatPotential Applications
Others
Co-extruded hoses
2 - layer BM ducts
Fuel line covers for automotive
Engine mounts and NVH applications
High pressure hoses for industrial applications
Example of hose / duct (co-ex):
DuPontTM ETPVDuPontTM Crastin®
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatDuPont™ETPV
Grades for customers evaluation
Standard GradesETPV60A01 NC010 (extrusion, BM and 2K molding)ETPV60A01L NC010 (injection molding)ETPV90A01 NC010
Heat Stabilized Standard GradesETPV60A01HS NC010 (extrusion, BM and 2K molding)ETPV60A01HSL NC010 (injection molding)ETPV90A01HS NC010
Black concentrate can be provided for cube blendingHytrel® 40CB (add 2%)
Packaging: Granules in 25kg bags
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
ETPV90A01ETPV60A01
40%45%ASTM D 471Volume change after 70h inASTM oil no 3 at 150°C
- 40°C- 40°CISO 812Brittleness temperature
70%50%ASTM D 395-BCompression set, 168h at 100°Cafter annealing (1h, 150°C)
55%35%ASTM D 395-BCompression set, 22h at 100°Cafter annealing (1h, 150°C)
29 kN/m16 kN/mISO 34-1 B/bTear strength190%160%ISO 527Elongation at break9 Mpa5 MpaISO 527Tensile strength
1.12 g/cm31.08 g/cm3ISO R118Specific gravity9060ASTM D 2241Shore A hardness
DuPont™ETPVPhysical and mechanical Properties
From DuPontTM ETPV Data Sheets
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and HeatDuPont™ETPV
Heat Aging Properties
Properties after heat aging in air at 150oC
ETPV60A01HS NC010
ETPV90A01HS NC010
129162200% retentionISO 527Elongation at break
113107105% retentionISO 527Tensile strength
62Shore AISO 868 (15s)Shore A hardness
3000h2000h1000hUnitTestProperty
4463100% retentionISO 527Elongation at break
140125120% retentionISO 527Tensile strength
88Shore AISO 868 (15s)Shore A hardness
3000h2000h1000hUnitTestProperty
From DuPontTM ETPV Data Sheets
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
ETPV60A01 NC010 Oil ResistanceASTM 1 Oil @ 150°C 70 hrs 168 hrs
Tensile strength ISO 527 % retention 96 98Tensile strain at break ISO 527 % retention 216 106Tensile stress at 100% strain ISO 527 % retention 44 91Hardness ISO 868 (15 sec) Shore A 55 54Volume swell % 5.2 4.1
IRM #902 Oil @ 150°C 70 hrs 168 hrsTensile strength ISO 527 % retention 92 92Tensile strain at break ISO 527 % retention 210 96Tensile stress at 100% strain ISO 527 % retention 42 93Hardness ISO 868 (15 sec) Shore A 47 48Volume swell % 26 20
IRM #903 Oil @ 150°C 70 hrs 168 hrsTensile strength ISO 527 % retention 69 69Tensile strain at break ISO 527 % retention 161 170Tensile stress at 100% strain ISO 527 % retention 37 40Hardness ISO 868 (15 sec) Shore A 41 35Volume swell % 54 60
Engine Oil Cecilia 20 @ 150°C 70 hrsTensile strength ISO 527 % retention 80Tensile strain at break ISO 527 % retention 186Tensile stress at 100% strain ISO 527 % retention 42Hardness ISO 868 (15 sec) Shore A 50Volume swell % 17
From DuPontTM ETPV Data Sheets
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DuPontDuPontTMTM ETPV ETPVResists Oil and HeatResists Oil and Heat
ETPV90A01 NC010 Oil ResistanceASTM 1 Oil @ 150°C 70 hrs 168 hrs
Tensile strength ISO 527 % retention 102 107Tensile strain at break ISO 527 % retention 200 245Tensile stress at 100% strain ISO 527 % retention 70 70Hardness ISO 868 (15 sec) Shore A 83 80Volume swell % 2.5 2.9
IRM #902 Oil @ 150°C 70 hrs 168 hrsTensile strength ISO 527 % retention 103 105Tensile strain at break ISO 527 % retention 207 228Tensile stress at 100% strain ISO 527 % retention 66 68Hardness ISO 868 (15 sec) Shore A 74 79Volume swell % 19.5 14
IRM #903 Oil @ 150°C 70 hrs 168 hrsTensile strength ISO 527 % retention 76 87Tensile strain at break ISO 527 % retention 144 181Tensile stress at 100% strain ISO 527 % retention 57 61Hardness ISO 868 (15 sec) Shore A 72 70Volume swell % 38 35
Engine Oil Cecilia 20 @ 150°C 70 hrsTensile strength ISO 527 % retention 95Tensile strain at break ISO 527 % retention 193Tensile stress at 100% strain ISO 527 % retention 66Hardness ISO 868 (15 sec) Shore A 74Volume swell % 9.5
From DuPontTM ETPV Data Sheets
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Conclusion
DuPontTM ETPVengineering thermoplastic vulcanizates
Resist Oil and Heat
A new family of high performance thermoplasticelastomers, combining cured rubber properties withthermoplastic processing capability.