Aqueous protective coating agent
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United States of America Patent
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Nov 21, 2000
Grant Date -
N/A
app pub date -
May 28, 1999
filing date -
Nov 28, 1996
priority date (Note) -
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Abstract
This invention relates to an aqueous coating medium which contains, as binder vehicles in the form of aqueous polymer dispersions, A) 50 to 90% by weight of one or more thermoplastic copolymers of at least one C2-C4 olefin and at least one vinyl ester of a C2-C11 monocarboxylic acid, wherein the olefin(s) and vinyl ester(s) are present in a ratio by weight of 10:90 to 40:60 and together make up at least 80% by weight of the copolymer, B) 10 to 50% by weight of one or more thermoplastic (meth)acrylic copolymers which are free from comonomers containing nitrile and amide groups, and at least 50% by weight of which consists of (meth)acrylic acid esters of C1-C18 alcohols, and C) 0 to 30% by weight of one or more copolymers which are different from A) and B), wherein the percentages by weight are given with respect to the resin solids in each case and add up to 100% by weight.
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