Catalyst system, process, and silicone compositions

Details Catalyst system, process, and silicone compositions Catalyst system, process, and silicone compositions

1999-01-19

2000-10-31

Moore, Margaret G.

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

Synthetic resins

From silicon reactant having at least one...

528 32, 528 33, 528 34, 528 39, 528 38, 528 21, 556457, 522 99, 502158, 502167, C08G 7708

Patent

active

061404446

ABSTRACT:
The invention relates to a catalyst system for reacting a silanol group with an alkoxysilane containing a polymerizable ethylenically unsaturated group. The catalyst system includes an organo-lithium reagent and a hydroxylamine. The catalyst system, permits reaction of the silanol group with alkoxysilanes containing rapidly polymerizable ethylenically unsaturated groups, such as an acryloxyalkyl group, for instance an acryloxypropyl group.

REFERENCES:
patent: 4111890 (1978-09-01), Getson et al.
patent: 4798889 (1989-01-01), Plueddemann et al.
patent: 4912239 (1990-03-01), Bank et al.
patent: 5300608 (1994-04-01), Chu et al.
patent: 5663269 (1997-09-01), Chu et al.

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