文档介绍：摘。要?。本文合成了几种新型的水性聚氨酯胶粘剂的乳液。主要研究了以双羟甲基丙酸(DMPA)及其与环碳酸酯(MPCD)不厨分子量的聚合物(DMPCD)为扩链剂对水性聚氨酯胶粘剂乳液性能及乳胶膜力学性能的不同影响;; 通过茸乳化法制备阴离子型水性聚氨酯胶粘剂的乳液性能及乳胶膜力学性能;’’’采用’。通过动态光散射(DLS)测量了乳液粒子的尺寸,傅里叶变换红外光谱仪表征了聚合物结构,GPC测定了分子量及其分布, 拉力机测定了乳胶膜的力学性能。- 一。. (1)以DMPCD-1134为扩链剂,通过自乳化法合成了阴离子型水性聚氨酯胶’粘痢,。研究了体系的动力学,羧基含量j‘=元胺扩链剂、软段对乳液性能友乳胶膜! 力学性能的影响。?(2)不同比例的DMPA与环碳酸酯聚合得到不同分子量的D1V[PCD,比较了t 、。结果表明,以DⅧ,乳胶膜的粘接性能和断裂伸长率较大。:一’(3)采用细乳液聚合的方法制备了丙烯酸酯一聚氨酯杂化乳液。系统的研究了’聚合温度、链转移剂的量、(阳三MA)和羟乙基化双酚A的比例、PU含量以及丙烯酸丁酯(BA)与甲基丙烯酸甲酯(MMA)的质量比等因素对乳液性能及乳胶膜力学性能的影响。,, 关键词:DMPA;水性聚氨酯;胶粘剂;乳液;丙烯酸酯‘Abs蜒act 一?’.-j. ,-一一-.Several BeW waterborne pob/urethane adhesive emulsion WegC synthesized research content as follows:The agents:‘including 2,2-Dimethylol Propioaic Acid(DMPA)and itsdifferentmolecular weightpolymers(DMPCD)have thedifferentinfluence 011 theemulsionproperties andthelatexmembrane mechanical DMPCD-1 134 85chain extension甥哆the emulsion properties and thelatexm_em.. mechanical properties ofIanioni-c waterborne polyurethane adhesives by self-emulsification were of acrylic-polyurethane hybrid latexesb)r miniemulsion polymerization and theftpressure·sensitive adhesive polymers were characterized by means ofGPC,IR,DLS and tensile machine. (1)The anionicwaterborne 130lyurethane adhesives were‘synthesized by serf-emulsificationtaking DMPCD-1 134 Wag ics,the carboxylgroup content,the amineschainextensionagents and softsegment ontheproperties ofthe emulsion andlatexmembrane. (2)The influences Oiltheemulsion properties and the mechanical properties pared whenDMPA、DMPCD一634 andDMPCD-1 134 aschainextensionagents, resultsindicated:theparticle sizeandviscosity oftheemulsion extendedbyDMPCD一1134 werelarge/ thanthatoftheemulsion extendedby DMPA,while the latexmembrane o