Anticrater agent compositions for use in cathodic electrocoating
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United States of America Patent
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Mar 16, 1999
Issued Date -
N/A
app pub date -
Oct 22, 1997
filing date -
Feb 25, 1997
priority date (Note) -
Expired
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Abstract
An improved aqueous electrocoating composition that contains an anticrater agent which is a reaction product of polyoxyalkylene diamine and glycidoxy alkyl alkoxy silane which is hydrolyzed and has a number average molecular weight of about 700-5,000; electrodeposited finishes are formed that have a significant reduction in craters and are smooth and even finishes.
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