丙烯酸羟丙酯对自交联型丙烯酸酯胶黏剂乳液性能的影响  

Effect of hydroxypropyl acrylate on performance of waterborne polyacrylate adhesive latex

作　　者：费贵强 李晓扬 包一岑 王海花[1] 

机构地区：[1]陕西科技大学教育部轻化工助剂化学与技术重点实验室,陕西西安710021

出　　处：《陕西科技大学学报（自然科学版）》2015年第4期80-83,99,共5页Journal of Shaanxi University of Science & Technology

基　　金：国家自然科学基金项目(21204046;51373091);教育部留学回国人员科研基金项目(2012(1707));陕西省教育厅重点实验室科研计划项目(13JS018;2011JS057)

摘　　要：以甲基丙烯酸缩水甘油酯(GMA)为内固化剂,制备了一类丙烯酸羟丙酯(HPA)改性的水性丙烯酸酯类胶黏剂,探讨了HPA的含量对胶黏剂乳液粒径,黏度,吸水率,流变性,成膜强度及剥离强度的影响.研究结果表明,HPA的加入改善了丙烯酸酯胶黏剂的使用性能,当HPA用量为2%时,其乳液粒径下降至最小95.7nm,相应乳液黏度上升,触变性增强,PVC与织物间的粘结剥离强度从17.6N/25mm提升至28.2N/25mm,拉伸强度上升至最大18.7MPa,当HPA用量为1%时,乳液吸水率达到最低值4.1%,呈现良好的耐水性.A waterborne acrylate adhesive modified by hydroxypropyl acrylate（HPA）has been synthesized via glycidyl methacrylate（GMA）as inner curing agent,the effect of the HPA content on latex particle size,viscosity,water absorption,rheology,film strength,and peel strength were discussed,the result indicated that HPA has improved performance of acrylate adhesive,the particle size has been decreased to 95.7nm when HPA content was 2%,while the corresponding viscosity and thixotropy increased,the peel strength has increased from17.6N/25 mm to 28.2N/25 mm,maximum tensile strength reached to 18.7 MPa.And the lowest water absorption was achieved to 4.1% when usage of HPA was 1%,which showed good water resistance.

关 键 词：甲基丙烯酸羟丙酯 聚丙烯酸酯 胶黏剂 内交联 

分 类 号：TQ433.4[化学工程]