Silsesquioxane mold release coating for unsaturated polyester thermoset molding compounds
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United States of America Patent
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Oct 11, 2016
Grant Date -
May 23, 2013
app pub date -
Jul 23, 2012
filing date -
Jul 21, 2011
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Abstract
The process for molding a thermoset sheet-molding composition or bulk-molding composition is provided that includes the exposure of a mold surface to a silsesquioxane monomer or pre-polymer material under conditions to induce polymerization of said material or said monomer to form a mold release coating on the surface. The thermoset sheet-molding composition or bulk-molding composition is then injected into the mold and into contact with said coating under conditions to cure the composition to form an article.
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