Polyester polyurethane flexible slabstock foam made using reduce

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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Details

521172, 528 26, 556445, C08G 1800, C08G 1834

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active

059088710

ABSTRACT:
A method for preparing a polyester polyurethane flexible slabstock foam by reacting an organic polyisocyanate with a polyester polyol in the presence of urethane catalyst, water as a blowing agent and a silicone surfactant characterized in that the silicone surfactant 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 succinic anhydride.

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patent: 4331555 (1982-05-01), Baskent et al.
patent: 4751251 (1988-06-01), Thornsberry
patent: 5296625 (1994-03-01), O'Lenick, Jr.
Silman, Eddie, et al. "Recent Developments in Stabilizers for Flexible Polyester Polyurethane Foam", (Spring Technical Conference of the PFA, May 17, 1996) p. 3.
Baatz, G. and Dr. H. W. Illger, Dr. H. Rabe, "Slabstock Foams" polyurethane Handbook, Guter Oertel, 2.sup.nd ed. Hanser Publishers 1994.

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