Rim microcellular polyurethane elastomer employing heteric or in

Details Rim microcellular polyurethane elastomer employing heteric or in Rim microcellular polyurethane elastomer employing heteric or in

1985-10-22

1988-04-19

Kight, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521914, 528 64, C08G 1800, C08G 1810

Patent

active

047389931

ABSTRACT:
A RIM polyurethane elastomer prepared by reacting an organic polyisocyanate, a polyoxyalkylene polyether polyol, and a chain extender. The polyol contains from about 7 weight percent to about 40 weight percent ethylene oxide either as a block or a heteric structure.

REFERENCES:
patent: 3824199 (1974-07-01), Nadeau et al.
patent: 4239857 (1980-12-01), Harper
patent: 4243760 (1981-01-01), McDaniel et al.
patent: 4298701 (1981-11-01), Meyborg et al.
patent: 4385133 (1983-05-01), Alberino et al.
patent: 4581386 (1986-04-01), Taylor et al.

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