Polypropylene ether urethane

Details Polypropylene ether urethane Polypropylene ether urethane

C - Chemistry, Metallurgy

08

G

402/149

C08G 18/48 (2006.01) C08G 18/66 (2006.01) C08G 18/76 (2006.01)

Patent

CA 1150890

Abstract of the Disclosure A thermoplastic, linear and segmented poly-l, 2-propylene ether urethane having a Tg of below about -30°C. for the poly-1,2-propylene ether segments is made by reacting poly-1,2-propylene glycol having a high molecular weight; ethylene glycol, 2,3-butane diol or neopentyl glycol or mixture thereof; and 2,4-tolylene diisocyanate containing from about 55 to 100% by weight of the 2,4-isomer with the balance being the 2,6-isomer.

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