Graft polymerization of substituted styrene polymers having pend

Details Graft polymerization of substituted styrene polymers having pend Graft polymerization of substituted styrene polymers having pend

1988-02-19

1989-08-01

Bleutge, John C.

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

Synthetic resins

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

525250, 525259, 525288, 525310, 525315, 525316, C08F27906, C08F27904, C08F27902, C08F27900

Patent

active

048534366

ABSTRACT:
A graft copolymer having a plurality of polymer side chains is disclosed. The starting backbone polymer is a homopolymer or copolymer of a styrene derivative having a pendant vinylidene group on the benzene ring. The graft copolymer may be produced by metallizing said backbone polymer with an alkali metal and then polymerizing an ethylenically unsaturated monomer in the presence of the metallized polymer as an anionic polymerization initiator.

REFERENCES:
patent: 3925511 (1975-12-01), Loveless
patent: 4340690 (1982-07-01), Lal
patent: 4707521 (1987-11-01), Esneault
Braun et al, Chem. Abstracts, 71(2)3696h; 1969.

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