Flameproof styrenic resin composition

Details Flameproof styrenic resin composition Flameproof styrenic resin composition

2008-04-29

2008-04-29

Szekely, Peter (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S117000

Reexamination Certificate

active

07365114

ABSTRACT:
The flameproof styrenic resin composition according to the present invention comprises (A) about 70 to 99.5 parts by weight of a rubber-modified polystyrene resin and (B) about 0.5 to 20 parts by weight of a ring-shaped alkyl phosphonic acid compound represented by the following formula: wherein R1and R2are independently of each other C1-C4alkyl and x is 0 or 1

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