Aqueous dispersion of high molecular weight polyester for chip resistant primer
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United States of America Patent
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Issued Date -
Sep 23, 2004
app pub date -
Jan 30, 2004
filing date -
Sep 25, 1998
priority date (Note) -
Abandoned
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Abstract
The present invention is directed to an aqueous dispersion of a polyester salt and polymeric vehicles which include the aqueous dispersions of a polyester salt. The polymeric vehicle is particularly effective for providing coating binders in cured primer coatings. The primer coating compositions are useful for multilayer paint coating films which have at least two layers of paint film including the cured primer coating composition film. The use of the primer polymeric vehicles of the present invention in conjunction with one or more additional overlaying top coating film layers provide a multiple layer coatings having improved adhesion and chip resistance.
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