Acrylicand acrylic/epoxy copolymer compositions as self-curing cathodic electrocoating vehicles
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机译:丙烯酸和丙烯酸/环氧共聚物组合物,作为自固化阴极电泳漆
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摘要
Package and tank stable, low temperature self-curing, cation- active aqueous soluble or dispersible coating compositions are prepared by copolymerizing blocked meta-isopropenyl-&agr;,&agr;-dimethylbenzyl isocyanate (m-TMI) with various vinyl unsaturated monomers optionally in the presence of epoxy-amine adduct. These cation-active polymers when acidified or partially acidified provide aqueous solutions or dispersions especially useful as low temperature curable vehicles in cathodic electrocoating.
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