Flame retardant composition and method for use in synthetic ther

Details Flame retardant composition and method for use in synthetic ther Flame retardant composition and method for use in synthetic ther

1994-02-28

1996-07-02

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524127, 524430, 524444, 524425, 524433, 525106, C08J 510, C08K 552, C08L 2502

Patent

active

055323022

ABSTRACT:
An improved flame-retardant composition and method for its use are provided. The composition imparts flame retardency to synthetic thermoplastic resins to prevent dripping of the melt of the resin when the resin is burnt. The composition comprises a flame retardant agent such as phosphate ester compound, optionally combined with a metal hydroxide, and an organopoly-siloxane-based graft copolymer of a (meth)acrylic acid ester such as methyl(meth)-acrylate. The flame retardant is used in an amount from 1-50 parts by weight per 100 parts by weight of the synthetic resin, and the graft copolymer provides 0.5 to 20 parts by weight of an organosilicone group per 100 parts by weight of the synthetic resin.

REFERENCES:
patent: 4939206 (1990-07-01), Wang
patent: 5266618 (1993-11-01), Watanabe et al.

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