Thermoset polypropylene ether urethane

Details Thermoset polypropylene ether urethane Thermoset polypropylene ether urethane

C - Chemistry, Metallurgy

08

G

402/149

C08G 18/48 (2006.01) C08G 18/66 (2006.01)

Patent

CA 1150891

Abstract of the Disclosure A thermoset, segmented and elastomeric polypropylene ether urethane is made by reacting together tolylene diisocyanate, ethylene glycol and a polypropylene ether triol having an average molecular weight of from 7,000 to 14,000, in certain ratios. The resulting polyurethane exhibits a temperature retraction TR-10 of less than about -35°C and a Goodyear-Healy rebound of greater than about 55%.

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