Soluble organopolysiloxane free-radical macroinitators for graft

Details Soluble organopolysiloxane free-radical macroinitators for graft Soluble organopolysiloxane free-radical macroinitators for graft

1994-12-20

1997-02-25

Dean, Ralph H.

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

Synthetic resins

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

528 10, 528 25, 528 30, 528 38, C08G 77392, C08G 77388

Patent

active

056059833

ABSTRACT:
The invention relates to partially crosslinked organopolysiloxanes which contain a radical forming group, a base-catalyzed process for their preparation, graft copolymers produced from these organopolysiloxanes and a process for the preparation of the graft copolymers. The present invention avoids problems related to known methods wherein a considerable portion of the organopolymer chains do not graft to the organopolysiloxane graft back-bone but remain as an unattached homopolymers.

REFERENCES:
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patent: 4826954 (1989-05-01), Suzuki et al.
patent: 5015717 (1991-05-01), Martin et al.
patent: 5237020 (1993-08-01), Clouet
patent: 5250615 (1993-10-01), Yamamoto
patent: 5385988 (1995-01-01), Yamamoto
patent: 5391647 (1995-02-01), Yamamoto
AN 86-336164 (English Derwent abstract).
AN 87-167570 (English Derwent abstract).
AN 88-151540 (English Derwent abstract).

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