High flexural modulus polyurethane polymers and rim...

Details High flexural modulus polyurethane polymers and rim... High flexural modulus polyurethane polymers and rim...

C - Chemistry, Metallurgy

08

G

C08G 18/65 (2006.01) C08G 18/10 (2006.01) C08G 18/32 (2006.01) C08G 18/38 (2006.01) C08G 18/48 (2006.01) C08G 18/80 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2075635

2075635 9112286 PCTABS00006 A polyurethane composition for use in RIM processes which composition comprises an MDI-polyol prepolymer, an aromatic diamine chain extender and a "cold break"-reducing additive to prevent "cold break" and to increase the flexural modulus of the polymer, which additive comprises triethanol amine or a triethanol amine-ethylene oxide end cap reaction product.

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