助剂对聚醋酸乙烯酯乳液涂料黏度的影响  

Effect of Additives on Viscosity of Polyvinyl Acetate Emulsion Coatings

作　　者：周肖 徐翠香 齐西冲 霍高冉 ZHOU Xiao;XU Cui-xiang;QI Xi-chong;HUO Gao-ran(Nanjing Polytechnic Institute,School of Chemical Engineering and Materials,Jiangsu Nanjing 210048,China)

机构地区：[1]南京科技职业学院化工与材料学院,江苏南京210048

出　　处：《广州化工》2020年第17期53-54,共2页GuangZhou Chemical Industry

摘　　要：用聚醋酸乙烯酯(PVAc)乳液作为涂料的主要成膜物质,选用不同变量的增稠剂(纤维素)、成膜剂(丙二醇)、分散剂(聚丙烯酸钠盐)、聚结剂(十二碳醇酯)来研究各助剂对涂料黏度的影响。结果表明:随着聚结剂十二碳酯醇、成膜剂丙二醇的质量增加,PVAc涂料的黏度会先增加后降低;随着增稠剂纤维素的质量增加,PVAc涂料的黏度会越来越大;当分散剂聚丙烯酸钠盐的质量增加到5 g时PVAc涂料黏度最低。Polyvinyl acetate(PVAc)emulsion was used as the main film-forming material of the coating.Thickener(cellulose),film-forming agent(propylene glycol),dispersant(sodium polyacrylate)and coalescer(dodecanol ester)with different variables were selected to study the effect of each aid on the viscosity of the coating.The results showed that the viscosity of PVAc coating increased first and then decreased with the increase of the mass of dodecyl alcohol and propylene glycol,the viscosity of PVAc coating increased with the increase of the mass of cellulose,and the viscosity of PVAc coating decreased with the increase of the mass of sodium polyacrylate.

关 键 词：聚醋酸乙烯酯乳液 黏度 增稠剂 聚结剂 分散剂 

分 类 号：TQ633[化学工程—精细化工]