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SINGLE-COMPONENT SYSTEM BASED ON CO-REACTIVE LATEX, PREPARATION METHOD AND USE IN THE FIELD OF FORMOL-FREE COATINGS
SINGLE-COMPONENT SYSTEM BASED ON CO-REACTIVE LATEX, PREPARATION METHOD AND USE IN THE FIELD OF FORMOL-FREE COATINGS
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机译:基于共胶乳的单组分体系,制备方法及其在无甲醛涂料领域的应用
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摘要
The invention concerns a single-component system based on co-reactive latex capable of leading to formol-free coatings, crosslinkable at room temperature and post-crosslinkable by heat treatment, said system consisting of a mixture of two particle dispersions, (A) and (B) obtained each by emulsion polymerization in aqueous medium of a composition of respectively A and B monomers: (a) at least one free-radical polymerizable ethylenically unsaturated monomer, comprising a functional group, of formula (A), being a constituent of monomer A composition, and (b) at least one free-radical polymerizable ethylenically unsaturated monomer, comprising a radical (R) identical to or different from that of monomer (a); a functional group selected among acetal, mercaptal, mercaptol, dioxolane et dithiolane, being a constituent of monomer B composition. The invention also concerns the preparation method and the use of said system in the field of coatings.
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