Amine antioxidants as antiscorch agents in flame retarded polyur

Details Amine antioxidants as antiscorch agents in flame retarded polyur Amine antioxidants as antiscorch agents in flame retarded polyur

1978-07-21

1979-12-11

Hoke, V. P.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, 252 81, C08K 552

Patent

active

041784200

ABSTRACT:
The discoloration of low density polyurethane foams produced with certain flame retardants is reduced by incorporating certain amine antioxidants into the foam. The amine antioxidants can be employed by admixing with the flame retardant from about 0.25 to about 5.0 percent of the amine antioxidant by weight of the flame retardant.

REFERENCES:
patent: T968002 (1978-03-01), Baxter et al.
patent: 2915496 (1959-12-01), Swart et al.
patent: 3497457 (1970-02-01), Hurlock et al.
patent: 3846351 (1974-11-01), Huffaker et al.
patent: 3896187 (1975-07-01), Weil

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