Ultraviolet-curable organopolysiloxane composition

Details Ultraviolet-curable organopolysiloxane composition Ultraviolet-curable organopolysiloxane composition

1988-01-29

1990-01-09

Bleutge, John C.

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

Synthetic resins

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

528 30, 528 32, C08F 246

Patent

active

048928950

ABSTRACT:
The ultraviolet-curable organopolysiloxane composition comprises (A) a first organopolysiloxane having, in a molecule, at least one isopropenyloxysilyl-substituted ethyl or propyl group, (B) a second organopolysiloxane having, in a molecule, at least 2 silicon-bonded mercaptoalkyl groups, (C) an organosilicon compound having at leaast one vinyl group in a molecule and (D) a photosensitizer. The composition can be rapidly cured by exposure to ultraviolet light into a cured silicone rubber body without the problems and disadvantages in the conventional ultraviolet-curable silicone rubber compositions.

REFERENCES:
patent: 4339563 (1982-07-01), Takago et al.
patent: 4579636 (1986-04-01), Inoue et al.
patent: 4735971 (1988-04-01), Inoue et al.
patent: 4742092 (1988-05-01), Inoue et al.

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