Polyurethane elastomers from hindered aliphatic diisocyanates

Details Polyurethane elastomers from hindered aliphatic diisocyanates Polyurethane elastomers from hindered aliphatic diisocyanates

C - Chemistry, Metallurgy

08

G

400/107, 402/140

C08G 18/32 (2006.01) C08G 18/10 (2006.01) C08G 18/75 (2006.01) C08G 18/76 (2006.01)

Patent

CA 1214591

IMPROVED POLYURETHANE ELASTOMERS FROM HINDERED ALIPHATIC DIISOCYANATES Abstract of the Disclosure A curative composition for curing polyurethane prepolymers prepared from hindered aliphatic diisocyanates, comprising (a) a C2-C10 diol, (b) a C3-C10 aminodiol and (c) a catalytically effective amount of a curing catalyst, and containing 50-99 equivalents of hydroxyl from the diol (a) and 1-50 equivalents of hydroxyl and amino groups from the aminodiol (b) per 100 equivalents of isocyanate groups of the polyurethane prepolymer.

443428

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