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composition of coating for cathode elettrodeposizione based aqueous dispersion of a resin self reticolabile and its production process
composition of coating for cathode elettrodeposizione based aqueous dispersion of a resin self reticolabile and its production process
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机译:阴极自复溶性阴极电泳基水分散体涂料的组成及其制备方法
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摘要
The invention relates to cathodically electrodepositable coating compositions comprising an aqueous dispersion of self-crosslinkable resin. The self-crosslinkable resin is amine and epoxide functional and prepared by reacting epoxide resin with fatty amidopolyamine at about room temperature so as to form a partially crosslinked resin, wherein at least about 50 percent of the amine groups have been neutralized with a water soluble acid. The partially crosslinked resin can be deposited from the bath onto a metal substrate and cured at elevated temperatures to form a coating offering excellent corrosion protection and having excellent adhesion to the substrate.
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