HIGH-PURITY SODIUM P-STYRENESULFONATE WITH EXCELLENT HUE, METHOD FOR PRODUCING THE SAME, POLY (SODIUM P-STYRENESULFONATE) WITH EXCELLENT HUE USING THE SAME, AND DISPERSANT AND SYNTHETIC STARCH FOR CLOTHING FINISHING USING THE POLY ( SODIUM P-STYRENESULFONATE)
申请人:TOSOH ORGANIC CHEMICAL CO., LTD.
公开号:US20150246876A1
公开(公告)日:2015-09-03
Provided are high purity sodium p-styrenesulfonate with an excellent hue which is useful as a reactive emulsifier or dispersant for producing a polymer emulsion, or synthetic starch for clothing ironing and poly(sodium p-styrene-sulfonate) with an excellent hue using the same or sodium p-styrenesulfonate improved in fluidity while keeping good solubility.
An aqueous p-β-bromoethylbenzenesulfonic acid solution and an aqueous sodium hydroxide solution are reacted under specific conditions to control the particle size, thereby obtaining sodium p-styrenesulfonate particles improved in a balance between fluidity and solubility, and further, impurities such as isomers are reduced, thereby obtaining high-purity sodium p-styrenesulfonate with an excellent hue.
提供高纯度的对苯乙烯磺酸钠,具有优异的色泽,可用作反应性乳化剂或分散剂,用于生产聚合物乳液或合成淀粉用于衣物熨烫以及使用相同或改善流动性但保持良好溶解性的对苯乙烯磺酸钠制备优良色泽的聚(对苯乙烯磺酸钠)。在特定条件下,将水溶性的对β-溴乙基苯磺酸和氢氧化钠水溶液反应,以控制粒子大小,从而获得改善流动性和溶解性平衡的对苯乙烯磺酸钠颗粒,进一步减少异构体等杂质,从而获得具有优异色泽的高纯度对苯乙烯磺酸钠。