Photo-curable silicone compositions and adhesive silicone compos

Details Photo-curable silicone compositions and adhesive silicone compos Photo-curable silicone compositions and adhesive silicone compos

1991-11-26

1992-10-27

McCamish, Marion E.

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

Synthetic resins

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

522 99, 528 30, 528 32, C08G 7720, C08G 7722, C08F 250

Patent

active

051589885

ABSTRACT:
Disclosed is a curable silicone composition comprising: (A) an organopolysiloxane having a silicon-bonded unsaturated aliphatic radical; (B) an organopolysiloxane having a silicon-bonded mercaptoalkyl radical; and (C) a photoreaction-initiating amount of photoreaction initiator. The photoreaction initiator includes arylcarbonyl phosphine oxide compounds, having a radical selected from the group consisting of substituted and unsubstituted aryl radicals, and another two radicals selected from the group consisting of substituted and unsubstituted monovalent hydrocarbon radicals. The above silicone, composition is efficiently cured by visible light radiation and usable for photo-curable adhesives.

REFERENCES:
patent: 3700574 (1972-10-01), Kehr
patent: 4265723 (1981-05-01), Hesse et al.
patent: 4889905 (1989-12-01), Suzuki
patent: 4935455 (1990-06-01), Huy et al.
patent: 4946874 (1990-08-01), Lee et al.

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