.alpha., .beta.-unsaturated carbonyl-functional silicone composi

Details .alpha., .beta.-unsaturated carbonyl-functional silicone composi .alpha., .beta.-unsaturated carbonyl-functional silicone composi

1987-06-01

1988-02-16

Jacobs, Lewis T.

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

526279, 528 30, 556427, 556429, C08F 250, C08F 434, C08F 3008, C08F 2804

Patent

active

047256303

ABSTRACT:
Polymerizable .alpha., .beta.-unsaturated carbonyl-functional silicone compositions are obtained from the reaction of thiol-functional organopolysiloxanes with an .alpha., .beta.-unsaturated carbonyl-functional compound having at least two acryloyl or methacryloyl groups or mixtures thereof per molecule in the presence of a base catalyst.
The .alpha., .beta.-unsaturatured carbonyl-functional silicone compositions may be combined with a photosensitizer and/or a free radical generator and polymerized by radiation and/or heat.

REFERENCES:
patent: 3532729 (1970-10-01), Cekada
patent: 3816282 (1974-06-01), Viventi
patent: 4064027 (1977-12-01), Gaat
patent: 4070526 (1978-01-01), Colguhoun
patent: 4606933 (1986-08-01), Griswold

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