THERMALLY STABLE POLYURETHANE ELASTOMERS PRODUCED FROM POLY(OXYPROPYLENE)-POLY(OXYETHYLENE) GLYCOLS OF HIGH OXYETHYLENE GROUP CONTENT

摘要

ABSTRACT OF THE DISCLOSUREFlexible automobile exterior body parts aremolded from a polyurethane elastomer prepared from areaction mixture comprising:a) a poly(oxypropylene)-poly(oxyethylene)glycol of molecular weight of from about 1750 to about4000 containing 15 to 50% by weight oxyethylene groups,b) methylenebis(4-phenylisocyanate);c) 1,4-butanediol.The invention also relates to this polyurethane elastomer.