通过正交实验考察了环氧丙烯酸酯的制备及固化工艺,最终确定聚合反应温度、催化剂N,N-二甲基苯胺和阻聚剂对苯二酚的用量,以及引发剂过氧化苯甲酰、交联剂苯乙烯、催化剂N,N-二甲基苯胺的用量,结果表明酸转化率为99.2%,固化反应为双键加成反应.合成产物的红外光谱研究发现915 cm-1处的环氧官能团吸收峰消失,而1 720 cm-1处出现酯羰基吸收峰,表明聚合机理为环氧开环酯化反应;同时产物中出现了甲基丙烯酸中的特征官能团.TG分析表明其热分解温度可提高到427℃.漆膜性能测试表明漆膜的耐腐蚀性、附着力、耐冲击性均有提高.
参考文献
[1] | 过敏兰,楼李华.自乳化水性丙烯酸环氧乳液的研制[J].涂料工业,2007(01):22-23,26. |
[2] | 王锋,胡剑青,涂伟萍.紫外光固化低黏度环氧丙烯酸酯的合成[J].涂料工业,2009(07):8-12. |
[3] | 孙绍晖,孙培勤,刘大壮.环氧/丙烯酸树脂复合水性涂料制备中酯化反应规律的研究[J].现代化工,2004(10):35-37. |
[4] | KOJIMA S;WATANABLE Y .Development of high performance waterborne coating(part):emulsifycation of epoxy resin[J].Polymer Engineering and Science,1993,33(05):253-259. |
[5] | 徐元浩,柳向林,侯佩民,万众.自乳化水性丙烯酸改性聚酯树脂的制备[J].涂料工业,2006(10):53-55. |
[6] | Joseph R.Nowers;Balaji Narasimhan .The effect of interpenetrating polymer network formation on polymerization kinetics in an epoxy-acrylate system[J].Polymer: The International Journal for the Science and Technology of Polymers,2006(4):1108-1118. |
[7] | Yu, YF;Zhong, XH;Su, HH;Serra, A .Simultaneous cationic polymerization and esterification of epoxy/anhydride system in the presence of polyoxometalate catalyst[J].Polymer: The International Journal for the Science and Technology of Polymers,2010(7):1563-1571. |
[8] | SULTANIA;MINAKSHI;BAI J S P .Kinetic modeling of esterification of cardauol-based epoxy resin in the presence of triphenylphesplline for producing vinyl ester resin:mechanistic rate equation[J].Journal of Applied Polymer Science,2010,118(04):1979-1989. |
[9] | Joseph R.Nowers;Balaji Narasimhan .The effect of interpenetrating polymer network formation on polymerization kinetics in an epoxy-acrylate system[J].Polymer: The International Journal for the Science and Technology of Polymers,2006(4):1108-1118. |
[10] | Xiao, XY;Hao, CC .Preparation of waterborne epoxy acrylate/silica sol hybrid materials and study of their UV curing behavior[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2010(1/3):82-87. |
[11] | YANG BAE KIM;HYUN KYOUNG KIM;JIN WHO HONG.Epoxy-acrylic micmgels in electrodepesition coating films[J].Surface and Coatings Technology,2002(153):284-289. |
[12] | 孙培勤,杨勋兰,孙绍晖,刘大壮.环氧-丙烯酸树脂乳液性能与涂膜固化规律的研究[J].涂料工业,2006(02):1-4. |
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