Method for curing organopolysiloxane compositions and the compos

Details Method for curing organopolysiloxane compositions and the compos Method for curing organopolysiloxane compositions and the compos

1985-02-19

1986-07-29

Briggs, Sr., Wilbert J.

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

Synthetic resins

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

522 21, 522 22, 522 28, 522 29, 522 30, 522 99, C08F 246, C08G 7708

Patent

active

046031685

ABSTRACT:
A method of curing certain organopolysiloxane compositions by a combination of heat and exposure to ultraviolet radiation or electron beam provides the ability to use lower temperatures than heat cures alone and shorter cure times than ultraviolet radiation or electron beam alone. The organopolysiloxane compositions are addition-curable and are made up of alkenyl-containing organopolysiloxane, organohydrogensiloxane, a platinum catalyst, an addition-reaction inhibitor selected from alkynol, 3-methyl-3-pentene-1-yne, 3,5-dimethyl-3-hexene-1-yne, methylvinylsiloxane cyclics, benzotriazole, and mixtures thereof, and a photosensitizer.

REFERENCES:
patent: 4064027 (1977-12-01), Gant
patent: 4530879 (1985-07-01), Drahnak

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