Preparation of fire retardant flexible polyurethane foams having

Details Preparation of fire retardant flexible polyurethane foams having Preparation of fire retardant flexible polyurethane foams having

1985-08-20

1986-11-04

Cockeram, Herbert S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521108, 521112, 521127, 521129, 521130, 521131, C08G 1814, C08G 1816, C08G 1830

Patent

active

046211055

ABSTRACT:
Fire retardant flexible polyurethane foams are prepared with reduced scorch and discoloration by the addition of a stabilizing amount of from about 1 to about 12 parts by weight of a cyclic alkylene carbonate to the formulation, based on the weight of the polyether polyol employed, without affecting the fire retardancy of the foam product.

REFERENCES:
patent: 3751392 (1973-08-01), Olstowski
patent: 3772218 (1973-11-01), Lamplugh et al.
patent: 3803064 (1974-04-01), Fishbein
patent: 4071482 (1978-01-01), Hopkins et al.
patent: 4568702 (1986-02-01), Mascioli

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