Siloxane copolymer mixtures useful as foam stabilizers in high r

Details Siloxane copolymer mixtures useful as foam stabilizers in high r Siloxane copolymer mixtures useful as foam stabilizers in high r

1980-06-30

1982-01-05

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 252351, 252DIG1, 556445, 521111, 521904, C08G 1814, C07F 708, C07F 710

Patent

active

043095089

ABSTRACT:
Siloxane copolymer mixtures comprising a minor amount of certain high molecular weight (e.g., 4000 to 30,000) siloxane-oxyalkylene copolymers and a major amount of certain low molecular weight (e.g., 300 to 1100) siloxane-oxyalkylene copolymers or cyanoalkylsiloxanes in specifically defined mixture ratios; a process for producing high resilience polyurethane foam utilizing as a foam stabilizer said siloxane copolymer mixtures; and the foams derived therefrom.

REFERENCES:
patent: 3741917 (1973-06-01), Morehouse
patent: 3839384 (1974-10-01), Morehouse
patent: 3905924 (1975-09-01), Prokai
patent: 3935123 (1976-01-01), Prokai et al.
patent: 3935133 (1976-01-01), van Leeuwen et al.
patent: 3966784 (1976-06-01), Prokai
patent: 4042540 (1977-08-01), Lammerting et al.
patent: 4119582 (1978-10-01), Matsubara et al.

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