A room temperature cross-linkable aqueous composition which contains an emulsion-polymerized copolymer comprising (I) a reaction product prepared by reacting (A) a monomer having at least one polymerizable double bond and a silyl group represented by the general formula (I):
wherein R¹: monovalent hydrocarbon selected from the group consisting of C₁₋₁₀ alkyl, aryl and aralkyl, X: a halogen, alkoxy, hydroxyl, acyloxy, aminoxy, phenoxy, thioalkoxy, or amino, a: 0, 1 or 2, and (B) a basic compound; and (II) a vinyl monomer copolymerizable with said (I) reaction product, and a process for preparing the same. The composition of the present invention has excellent storage stability and excellent room temperature cross-linkability which can be polymerized in stable condition without gelation.
一种室温下可交联的
水性组合物,它含有一种乳液聚合共聚物,该共聚物包含 (I) 一种反应产物,该反应产物是由 (A) 具有至少一个可聚合双键的单体与通式 (I) 所代表的
硅烷基反应制备而成:
其中R¹:选自C₁₋₁₀烷基、芳基和芳烷基组成的组的一价烃,X:卤素、烷氧基、羟基、酰氧基、
氨基、苯氧基、
硫代烷氧基或
氨基,a:0、1或2,以及(B)碱性化合物;和(II)可与所述(I)反应产物共聚的
乙烯基单体,以及制备该反应产物的工艺。本发明的组合物具有优异的贮存稳定性和优异的室温交联性,可在稳定的条件下聚合而不会出现凝胶化。