Cyclohexanedimethanoladipate based prepolymers and reaction injection molded products made therefrom
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United States of America Patent
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Aug 24, 1993
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N/A
app pub date -
Nov 29, 1989
filing date -
Nov 29, 1989
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Expired
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Abstract
The present invention is directed to a polyisocyanate prepolymer prepared by reacting an isocyanate based on 4,4-methylenebis(phenyl isocyanate) and a polyester polyol by reacting 1,4-cyclohexanedimethanol and adipic acid. The invention is also directed to a RIM process using such prepolymers.
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