Curable organopolysiloxane composition and method for adhering a

Details Curable organopolysiloxane composition and method for adhering a Curable organopolysiloxane composition and method for adhering a

1996-11-12

1997-11-04

Glass, Margaret W.

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

Synthetic resins

From silicon reactant having at least one...

528 17, 528 18, 522 99, 428447, 427503, C08G 7720

Patent

active

056841132

ABSTRACT:
A curable organopolysiloxane composition that maintains flowability under moisture-free and light blocking conditions, more rapidly forms a nonflowable adhesive when irradiated with high energy beams such as ultraviolet rays and electron beams, and forms an elastic body by further curing when exposed to atmospheric moisture. It also involves a method for adhering a substrate to an adherend using the composition. The curable organosiloxane composition has a viscosity of 3,000 Pa.s or less and is made up of a silicone resin containing no alkenyl groups, a polydiorganosiloxane having terminal units containing a mercapto group, an alkenyl-containing organopolysiloxane, and a condensation-reaction-promoting catalyst. An assembly which has a substrates adhered to an adherend is made by spreading the composition on the substrate, irradiating it with a high energy beam, contacting the irradiated surface with an adherend, and letting it stand in air, so that the substrate is adhered to the adherend.

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