Polyorganiosiloxane-containing graft copolymer, resin...

Details Polyorganiosiloxane-containing graft copolymer, resin... Polyorganiosiloxane-containing graft copolymer, resin...

2011-08-09

2011-08-09

Moore, Margaret G (Department: 1765)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S464000

Reexamination Certificate

active

07994255

ABSTRACT:
The present invention relates to a flame retardant which is a graft copolymer. The graft copolymer is obtained by polymerizing a vinyl monomer containing at least two polymerizable groups, and at least one other vinyl monomer, in the presence of polyorganosiloxane particles in a latex state. The polyorganosiloxane particles contain grafting agents that are unevenly distributed on the surface thereof. The present invention also relates to thermoplastic resins containing this flame retardant.

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