橡胶技术网

合成橡胶工业
CHINA SYNTHETIC RUBBER INDUSTRY
2004 Vol.27 No.3 P.168-171

 橡胶技术网

紫外光固化水性聚氨酯丙烯酸酯分散液流变行为

Rheological behavior of ultraviolet-curable waterborne polyurethane-acrylate dispersions

虞浩　 袁荞龙　 王得宁　 孔兰芳　

摘　要：用甲苯二异氰酸酯、聚己二酸新戊二醇酯多元醇、二羟甲基丙酸(DMPA)和甲基丙烯酸羟乙酯合成了紫外光固化聚氨酯丙烯酸酯(PUA)水分散液.该预聚物组成通过FTIR和1H-NMR进行了表征,并对其水分散液的流变行为进行了研究.结果表明,随预聚物中DMPA质量分数的增加,分散液由牛顿流体转变为非牛顿流体.当DMPA质量分数为6.68%时,PUA水分散液的粒径为40～70 nm,ζ电位为-66.00mV,黏流活化能为59.08 J/mol.
关键词：紫外光固化;聚氨酯丙烯酸酯分散液;流变行为
分类号：O632.1　文献标识码：A
文章编号：1000-1255(2004)03-0168-04

基金项目：国家自然科学基金资助项目(50073005).
作者简介：虞浩(1976-),男,博士研究生.王得宁,通讯联系人.
作者单位：虞浩（华东理工大学,材料科学与工程学院,上海,200237）　
　　　　　袁荞龙（华东理工大学,材料科学与工程学院,上海,200237）　
　　　　　王得宁（华东理工大学,材料科学与工程学院,上海,200237）　
　　　　　孔兰芳（华东理工大学,材料科学与工程学院,上海,200237）　

参考文献：

［1］Decker C. In: Proceedings of The 14th International Conference In: Organic Coating Science and Technology [ C ]. Paris: Lancaster,1988.47
［2］Wicks Z W, Jones F N, Pappas S P. Organic coatings (Ⅰ): Science and technology[M]. New York: Wiley and Sons, 1994. 253 ～ 268
［3］Pappas S P. Radiation curing: Science and technology[M]. New York: Plenum, 1992.82
［4］Decker C. Photoinitiated crosslinking polymerization[J]. Progr Polym Sci, 1996, 21 (4): 593 ～ 650
［5］Masson E, Decker C, Jaworek T, et al. UV-radiation curing of waterbased urethane-acrylate coatings[J] . Progr Org Coatings,2000, 39(2): 115 ～ 126
［6］Schwalm R, Haussling L, Reich W, et al. Tuning the mechanical properties of UV coatings towards hard and flexible systems[J].Progr Org Coatings, 1997, 32(2): 191 ～ 196
［7］In Seok Oh, No Hyung Park, Kyung Do Suh. Mechanical and surface hardness porperties of ultraviolet cured polyurethane acrylate anionomer/silica composite film[J]. Journal of Applied Polymer Science, 2000, 75,968 ～ 975
［8］Peeters S, Loutz J M. Overview of dual cure possibilities in UV coating[C]. In Proceedings of Radcure, 1998. 13
［9］Paul S. Surface coatings(Ⅱ): Science and technology[M]. New York: Wiley and Sons, 1996. 632 ～ 637
［10］Ryu Jee-hyun, Kim Jin-woong. Systhesis of water-soluble urethane acrylate cationomers and their ultraviolet coating properties[J]. J M S-Pure Appl Chem, 1999, A 36(4): 571 ～586
［11］Wang Zhiming, Gao Dongbo, Yan Jianwen, et al. Synthesis and characterization of UV-curable waterborne polyurethane-acrylate ionomers for coatings [J ]. Journal of Applied Polymer Science,1999,73(14):2 869 ～2 876
［12］Kim Jin-woong, Suh Kyung-do. Viscosity properties for aqueous solution of urethane acrylate cationomer[J]. J M S-Pure Appl Chem, 1998, A 35(9): 1 587 ～ 1 601
［13］Ryu Jee-hyun, Kim Jin-woong, Lee Chan-young, et al. Water-soluble urethane acrylate ionomers and their ultraviolet (UV)curing: Prevention of moisture absorption[J]. J M S-Pure Appl Chem, 1993, A 30(3): 389 ～403
［14］Lee Chan-young, Kim Jin-woong, Suh Kyung-do. Water soluble urethane acrylate ionomers: Effect of molecular structure on ultraviolet coating properties[J]. Journal of Applied Polymer Science, 2000,78(11): 1 853～i 860
［15］Lorenz O, Hick H. Aqueous dispersions of polyurethane anionomers: Effects of countercation[J]. Angew Makromol Chem,1978, 72, 115
［16］Hunter R J.ζpotential in colloid science: Principles and applications[M]. London: Academic Press, 1985. 108 ～ 124
［17］Kenneth L Hoy. The effect of particle-size distribution on the rheology and film formation of latex coatings[J] . Org Coat, 1983(5): 123～145
［18］Bassett D R, Hoy K L. Polymer colloids(Ⅱ)[M]. New York:Plenum, 1981.47


收稿日期：2003年12月24日

修稿日期：2004年1月19日

出版日期：2004年5月15日