C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 83/04 (2006.01) C08J 3/28 (2006.01) C08L 83/08 (2006.01) C09J 183/04 (2006.01) C09J 183/08 (2006.01)
Patent
CA 2189837
A curable organopolysiloxane composition that maintains flowability under moisture-free and light blocking conditions is described. It 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. A method for adhering a substrate to an adherend using the composition is also claimed. 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 catalyst. An assembly which has a substrate 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.
Nakanishi Junji
Yoshitake Makoto
Dow Corning Toray Silicone Company Ltd.
Gowling Lafleur Henderson Llp
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