Adhesion promoter compositions
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United States of America Patent
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Oct 26, 1999
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app pub date -
Dec 30, 1998
filing date -
Nov 25, 1992
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Abstract
An adhesion promoter composition useful on metallic and plastic surfaces and particularly useful in improving the adhesion of polyurethane adhesives. These compositions contain a suitable prepolymer which is compatible and/or functionally reactive with the adhesive, an ester such as maleic-modified esters of rosin or dialkylmalonates, and a suitable non-reactive solvent carrier.
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