Process for producing polyurethane foam using as a foam stabiliz

Details Process for producing polyurethane foam using as a foam stabiliz Process for producing polyurethane foam using as a foam stabiliz

1978-08-10

1980-07-01

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 521131, 521132, C08G 1814

Patent

active

042107261

ABSTRACT:
A process for producing high resilience polyurethane foam utilizing as a foam stabilizer a combination of an organosilicone oil of average molecular weight 200-2000 composed of the blocks represented by the formula ##EQU1## (where a+b is 1 to 3, b is 0 or 1, R is methyl group, and R' is a hydrocarbon group of 3-15 carbon atoms) and a hydrocarbon oil of average molecular weight 200-2000 containing more than 20 wt. % of alicyclic hydrocarbon and/or aromatic hydrocarbon.

REFERENCES:
patent: 2901445 (1959-08-01), Harris
patent: 3061556 (1962-10-01), Gemeinhardt
patent: 3078239 (1963-02-01), Gmitten

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