Alkoxy group-containing silicones with reactive functional groups of defined reactivity
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United States of America Patent
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Nov 3, 2015
Grant Date -
Sep 24, 2015
app pub date -
Mar 18, 2014
filing date -
Mar 18, 2014
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Abstract
Organopolysiloxanes having a greater degree of defined reactivity through epoxy, isocyanate, anhydride, amino, carboxy, and (meth)acrylate groups are prepared by cohydrolytic condensation of reactive group-containing precursors and other condensable precursors in amounts such that the reactive organopolysiloxanes product contains on average more than two reactive groups, less than 20% by weight of alkoxy groups, and a proportion of non-reactive optionally substituted hydrocarbon groups such that the ratio of non-reactive hydrocarbon groups to Si atoms is greater than 1.
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