聚合条件对聚丙烯酸乳胶增稠性影响的研究  

SUMMAR IESSTUDY OF THE EFFECTS OF POLYMERIZATIONCONDITIONS ON THE THICKENING ABILITY OFTHE ACRYLIC LATEX

作　　者：官建国[1] 何平[1] 过俊石[1] 谢洪泉[1] 

机构地区：[1]华中理工大学化学系

出　　处：《涂料工业》1995年第5期1-3,共3页Paint & Coatings Industry

摘　　要：用反相乳液聚合方法制备了增稠性好的聚丙烯酸乳胶。研究了引发剂、交联剂、单体浓度、水相ｐＨ、聚合温度和油－水相重量比对聚丙烯酸乳胶增稠性影响。试验结果表明，通过控制水相ｐＨ和引入非离了型亲水单体（如丙烯酰胺）可制得耐电解质性能好的聚丙烯酸增稠剂。Abstract An acrylic latex that has higher thickening ability hasbeen prepared by inverse emulsion polymerization pro-cess. The influence of various factors, such as concentra-tions of initiator, crosslinker and monomers, pH value ofaqueous solution, temperature and oil/water ratio ( onweight) on the thickening ability of the obtained latexare studied. It has been shown that a polyacrylic thicken-er having good electrolyte resistance may be obtained bycontrol of aqueous pH value and addition of non-ionichydrophilic comonomer( e . g . acrylamide) .

关 键 词：聚丙烯酸乳胶 增稠性 增稠剂 涂料 聚合条件 

分 类 号：TQ630.49[化学工程—精细化工]