Flame-retarded formulations of thermoplastics and decabromodiphe

Details Flame-retarded formulations of thermoplastics and decabromodiphe Flame-retarded formulations of thermoplastics and decabromodiphe

1991-01-07

1991-12-31

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C08K 503

Patent

active

050773348

ABSTRACT:
This invention relates to a process for preparing a product which is predominant in decabromodiphenyl alkane. The process comprises: forming a stirrable reaction mass by adding a solution containing methylene bromide and diphenylalkane to a reaction vessel containing elemental bromine (Br.sub.2) and a bromination catalyst; maintaining the reaction mass for a period of time sufficient to achieve perbromination of substantially all of said diphenylalkane; and recovering from the reaction mass the product which is predominant is decabromodiphenyl alkane.

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