Aqueous coating composition
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United States of America Patent
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-
Dec 2, 2003
Grant Date -
Jun 13, 2002
app pub date -
Oct 11, 2001
filing date -
Oct 13, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An aqueous coating composition including (A) an amino group-containing organopolysiloxane, (B) water and (C) at least one of a surface-active agent represented by the general formula (I): ##STR1## wherein R.sup.1 to R.sup.4 are a C.sub.1 -C.sub.8 alkyl group, R.sup.5 and R.sup.6 are a C.sub.1 -C.sub.6 alkylene group, R.sup.7 and R.sup.8 are selected from a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group and a C.sub.2 -C.sub.6 acyl group, and m and n are an integer of 0 to 40, provided that m and n are not 0 at the same time and that of m+n ranges from 1 to 40 on the average; and a nonionic surface-active agent containing a perfluoroalkyl group and an alkylene oxide group. In the composition, (C) is present in a content of 0.01% to 5% by weight based on the total of (A), (B) and (C), and an alcohol is present in an amount not more than 10% by weight of the composition. The aqueous coating composition has superior uniform-coating properties and storage stability.
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