INTERNAL MOLD RELEASE COMPOSITIONS

Internal mold release systems which include an internal mold release agent that includes any one of fatty acids, fatty acid esters and metal carboxylates, and employ a poly(dimethylsiloxane) surfactant of Formula (I): where R is H, C1 to C20 alkyl, or C6 to C25 aryl; x is about 1 to about 24; y is 0...

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Bibliographische Detailangaben
Hauptverfasser:	BAREIS, DAVID, W, SHIDAKER, TRENT, A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	Internal mold release systems which include an internal mold release agent that includes any one of fatty acids, fatty acid esters and metal carboxylates, and employ a poly(dimethylsiloxane) surfactant of Formula (I): where R is H, C1 to C20 alkyl, or C6 to C25 aryl; x is about 1 to about 24; y is 0 to about 10; m is about 1 to about 25; n is about 0 to about 100 are disclosed. Isocyanate compositions, isocyanate reactive compositions and polyurethane reaction systems which employ the surfactant also are disclosed. L'invention porte sur des systèmes internes de démoulage qui comprennent un agent interne de démoulage constitué d'un acide gras quelconque, d'esters d'acide gras et de carboxylates métalliques. Ces systèmes utilisent un tensioactif de poly(diméthylsiloxane) de la formule (I) dans laquelle R représente H, alkyle C1 à C20 ou alkyle C6 à C25 ; x vaut environ 1 à environ 24 ; y vaut 0 à environ 10 ; m vaut environ 1 à environ 25 ; n vaut environ 0 à environ 100. L'invention porte également sur des compositions d'isocyanate, des compositions réactives d'isocyanate et sur des systèmes réactionnels de polyuréthane utilisant également le tensioactif précité.