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Technical Information elastomer

Use in elastomer applications Use of DURANOL™ allows you to obtain thermoplastic and thermosetting elastomer and resin with excellent chemical resistance, abrasion resistance, and flexibility. DURANOL™ is used in a wide range of fields such as various rollers, rolls, belts, sealing, and gaskets.

Flexibility of DURANOL™

Generally, although PCD polyurethane tends to lack flexibility, use of liquid type DURANOL™ allows improvement of flexibility.

Tensile test of polyurethane
Tensile test of polyurethane
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[Measurement condition]
Polyurethane formulation: MDI / Polyol / 1, 4 - BDO = 2 / 1 / 1
Condition: According to JIS K7311
Test piece: 2 mm × 60 mm strip
Measuring instrument: TENSILON tensile testing machine

Heat resistance of DURANOL™

PCD polyurethanes show high strength retention even after storage at a high temperature.

Change in the property of a polyurethane film stored at 120°C
Change in the property of a polyurethane film stored at 120°C
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[Polyurethane formulation] H12MDI/Polyol/IPDA=2/1/1

Hydrolysis resistance of DURANOL™

It can be seen that PCD polyurethanes are hard to decompose when compared to polyether urethanes and polyester urethanes.

Change in the molecular weight of a polyurethane film immersed in hot water at a temperature of 100°C
Change in the molecular weight of a polyurethane film immersed in hot water at a temperature of 100°C
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[Polyurethane formulation] MDI/Polyol/1,4-BDO=2/1/1


Temperature dependence of the viscosity of DURANOL™

T6002•T6001T6002•T6001 Temperature dependence of the viscosity of DURANOL™
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T5652•T5651•T5650JT5652•T5651•T5650J Temperature dependence of the viscosity of DURANOL™
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T4672•T4671T4672•T4671 Temperature dependence of the viscosity of DURANOL™
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G3452•G3450JG3452•G3450J Temperature dependence of the viscosity of DURANOL™
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[Viscometric measurement] Type B viscometer: HM2

旭化成 アルミペーストAsahi KASEI DURANATE™

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