Anti-bleed compounds, compositions and methods for use thereof
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United States of America Patent
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Sep 24, 2013
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app pub date -
Mar 23, 2009
filing date -
Mar 21, 2008
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Abstract
The invention is based on the discovery that addition of certain carboxylic acid derivatives of siloxanes to thermosetting adhesive compositions and die-attach pastes renders such compositions and pastes extremely resistant to resin bleed. The present invention provides siloxane-carboxylic acid compounds useful as anti-bleed additives. Also provided are adhesive compositions and pastes containing the compounds of the invention, which are particularly useful in applications that require little to no resin bleed prior to curing of the compositions (such as e.g., electronic packaging applications).
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