Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
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
Hamamura Tadashi
Noda Isao
Takase Masao
Watanabe Terumi
Yoshii Tadashi
Gallagher Richard J.
Union Carbide Corporation
Welsh Maurice J.
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