Multiple release mold coating

Details Multiple release mold coating Multiple release mold coating

B - Operations, Transporting

29

C

18/1194, 400/530

B29C 33/64 (2006.01)

Patent

CA 1277062

MULTIPLE RELEASE MOLD COATING ABSTRACT A method for molding articles where a composition is used to treat at least one shape determining face of a mold to impart durable release characteristics to said face which last through multiple molding cycles. The compositions comprise by weight 20 parts of primarily hydroxyl endblocked polydimethylsiloxane, 2 to 10 parts of alkyltriacetoxysilane, 20 to 80 parts of nonreactive organic solvent, and, optionally, 0.001 to 2 parts organometallic catalyst.

523049

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