Polyurethane/polyurea elastomers

Details Polyurethane/polyurea elastomers Polyurethane/polyurea elastomers

1995-12-14

1997-11-18

Sergent, Rabon

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...

521 56, 521 59, 521 76, 521122, 523218, 523219, 524 66, 524127, 524270, 524306, 524312, 524313, 524315, 524474, 524476, 524481, 524485, 524590, 524705, 524764, 524773, 524874, 524284, 525123, 525125, 525126, 525130, 525131, 5253293, 5253319, 5253328, 5253325, 5253332, 525440, 525455, 528 55, 528 75, 528 85, C08K 501, C08K 510, C08K 551, C08G 1869

Patent

active

056888600

ABSTRACT:
Polyurethane/urea elastomers having an isocyanate equivalent index below 100, preferably from about 15 to about 80; containing an effective amount of polyisocyanate component, and an effective amount of an isocyanate reactive component comprising at least one polyamine and at least one polyol, wherein said elastomer contains from about 1 to about 199 equivalent percent amine per isocyanate equivalent.

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