C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5311
C08L 83/04 (2006.01) C04B 35/14 (2006.01) C08G 77/32 (2006.01) C09J 183/04 (2006.01)
Patent
CA 1145498
Abstract of the Disclosure Ceramifiable silicone adhesives having tack and green strength are provided by mixing a ceramifiable filler with certain silicone pressure-sensitive adhesives. The silicone pressure-sensitive adhesive comprises approximately equal weights, plus or minus five percent, of a polydiorganosiloxane having a viscosity of from 1 to 1000 Pa?s and a xylene-soluble resin copolymer of R3SiO1/2 siloxane units and SiO4/2 siloxane units. High loadings (80 weight percent of the ceramifiable adhesive) of ceramifiable filler are attainable without loss of tack and green strength when the polydiorganosiloxane is a mixture of a low-viscosity fluid and a high-viscosity fluid. These ceramifiable silicone adhesives are useful for assembling and adhering a plurality of ceramifiable greenware components to form a ceramifiable composite greenware article.
346229
Dow Corning Corporation
Gowling Lafleur Henderson Llp
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