The invention relates to a composition of an emulsion type, acrylic, pressure sensitive adhesive, which includes (a) 15 to 35 parts per hundred of dialkyl dicarboxylate, (b) 15 to 35 parts per hundred of vinyl esters, (c) 35 to 65 parts per hundred of alkyl acrylates or alkyl mathacrylates; (d) 0.1 to 2.0 parts per hundred of cross-linker based on the total weight of (a)+(b)+(c), (e) 0.2˜2.0 parts per hundred of hydroxy alkyl acrylates or hydroxy alkyl mathacrylates, (f) 0.1 to 1.0 parts per hundred nonionic surfactant, (g) 0.4 to 3.0 parts per hundred of anionic surfactant, (h) 0.1˜0.5 parts per hundred of reactive surfactant; which react with de-ionized water, an initiator and a buffer. The adhesives composition has excellent water-whitening resistance and aging resistance properties.
本发明涉及一种乳液型
丙烯酸压敏粘合剂的组合物,它包括(a)每百份 15 至 35 份二
羧酸二烷基酯,(b)每百份 15 至 35 份
乙烯基酯,(c)每百份 35 至 65 份
丙烯酸烷基酯或
甲基丙烯酸烷基酯;(d)以(a)+(b)+(c)的总重量为基准,每百份 0.1 至 2.0 份
交联剂,(e)每百份 0.羟基烷基
丙烯酸酯或羟基烷基
甲基丙烯酸酯;(f) 0.1 至 1.0 份非离子表面活性剂;(g) 0.4 至 3.0 份阴离子表面活性剂;(h) 0.1 至 0.5 份活性表面活性剂;它们与去离子
水、
引发剂和缓冲剂反应。这种粘合剂组合物具有优异的耐
水白化性和耐老化性。