Modified polyurethane including silica and method of manufacture

Details Modified polyurethane including silica and method of manufacture Modified polyurethane including silica and method of manufacture

1993-12-14

1996-01-16

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524267, 524590, 524872, 524873, 523212, 523213, C08J 524, C08K 554, C08K 336

Patent

active

054848326

ABSTRACT:
A modified polyurethane structionally incorporating silica into a polyurethane polymer. The silica is first fluidized with a polyol and then reacted with a linking component having an organo reactive group that is reactive with an isocyanate. Polyisocyanate and additional polyol are added to the reaction mixture such that the isocyanate reacts with the linking component and the polyol to form a polymer wherein the silica is an integral unit in the polymer. The resultant modified polyurethane has good dynamic properties and is surprisingly resilient.

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