Acrylate resin gel coat composition
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United States of America Patent
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May 3, 1988
Issued Date -
N/A
app pub date -
Nov 7, 1986
filing date -
Apr 29, 1985
priority date (Note) -
Expired
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Abstract
Improved coating compositions which incorporate acrylate resins having multiple carbon-to-carbon bond unsaturation attached to the polymer chain through ester and/or urethane linkage are derived from the reaction product of: (1) an acrylate resin having multiple epoxide functionality attached to the polymer chain through an ester or ether linkage reacted with an unsaturated carboxylic acid preferably acrylic or methacrylic acid; or (2) an acrylate resin having multiple hydroxyl group functionality reacted with an organoisocyanate having 0.5 to 1.0 unit of carbon-to-carbon unsaturation per mole of isocyanate. Such coatings are particularly useful in formulating gel coat composites which exhibit hydrolytic stability and good weatherability.
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