ELASTOMERS BASED ON 4,4'-DIISOCYANATO DICYCLOHEXYLELASTOMERS BASED ON 4,4'-DIISOCYANATO DICYCLOHEXYL-METHANE ENRICHED IN THE TRANS, TRANS ISOMER WHICH-METHANE ENRICHED IN THE TRANS, TRANS ISOMER WHICH CONTAIN ESSENTIALLY NO CHAIN EXTENDERS CONTAIN ESSENTIALLY NO CHAIN EXTENDERS

摘要

Mo-3672 MD90-81 ELASTOMERS BASED ON 4,4'-DIISOCYANATO DICYCLOHEXYLMETHANE ENRICHED IN THE TRANS, TRANS ISOMER WHICH CONTAIN ESSENTIALLY NO CHAIN EXTENDERS Disclosed herein is an improved elastomer comprising a reaction product of a polyisocyanate and an active hydrogen containing material, the improvement wherein the elastomer is essentially free of a chain extender, wherein the polyisocyanate comprises 4,4'-diisocyanato dicyclohexylmethane containing from about 45 to 100 percent of the trans,trans isomer.