Low emission, cell opening surfactants for polyurethane flexible

Details Low emission, cell opening surfactants for polyurethane flexible Low emission, cell opening surfactants for polyurethane flexible

1998-01-15

1998-12-22

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521172, 521174, 528 26, C08G 1800

Patent

active

058520651

ABSTRACT:
A method for preparing a polyurethane flexible molded or rigid foam by reacting an organic polyisocyanate with a polyol in the presence of urethane catalyst, water as a blowing agent, optionally a silicone surfactant cell stabilizer, and a cell opener characterized in that the cell opener comprises the reaction product of 1,1,1,3,5,5,5-hepta(hydrocarbyl)-trisiloxane coupled with polyalkyleneoxide mono allyl ether and capped with a C1-C20 hydrocarbyl group-containing succinic anhydride.

REFERENCES:
patent: 3560544 (1971-02-01), Haluska
patent: 4686240 (1987-08-01), Bailey
patent: 4751251 (1988-06-01), Thornsberry
patent: 4751253 (1988-06-01), Tylends
patent: 4929646 (1990-05-01), Nichols
patent: 5192812 (1993-03-01), Farris et al.
patent: 5296625 (1994-03-01), O'Lenick, Jr.

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