Molding process using curable silicone release compositions

Details Molding process using curable silicone release compositions Molding process using curable silicone release compositions

B - Operations, Transporting

29

C

18/1194

B29C 33/64 (2006.01) C08L 83/04 (2006.01)

Patent

CA 1134585

Abstract of the Disclosure An improved molding process is provided which comprises treating a mold surface with certain curable silicone compositions to improve the release of a molded article from the mold. The curable silicone release composition is obtained by mixing a vinyl-endblocked polydiorganosiloxane, a xyl?ne--soluble vinyl-containing resinous polysiloxane, a methylhydrogenpolysiloxane crosslinking agent and a hydrosilylation catalyst. The curable silicone release composition is easily applied to and rapidly cured onto the ?old surface and, when cured, provides many easy releases of molded articles such as high resiliency polyurehtane foam cushions, polyurethane elastomeric shoe soles and polyester boat hulls.

338054

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