Polyester primer composition and method
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United States of America Patent
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Jun 25, 1985
Issued Date -
N/A
app pub date -
Oct 12, 1984
filing date -
Sep 20, 1982
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Expired
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Abstract
Polyester compositions containing dicyclopentadiene, maleic acid and a compound containing at least one alcoholic hydroxy group, the polyester formed by a two-stage process. In the first stage, maleic acid and dicyclopentadiene are heated to form an intermediate reaction product. In the second stage, the intermediate is heated with a compound containing at least one alcoholic hydroxy group to form the polyester. The compositions containing this polyester and a diluent have good adhesion to metal and plastic substrates, and are useful as automobile body putty primers. These polyester compositions exhibit good adhesion in corrosion-inducing environments, and are useful to protect against further corrosion.
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