| 水性环氧交联丙烯酸树脂乳液的结构及性能表征 |
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| 引用本文： | 康云飞,沈一丁. 水性环氧交联丙烯酸树脂乳液的结构及性能表征[J]. 高分子材料科学与工程, 2009, 0(3): 17-20 |
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| 作者姓名： | 康云飞 沈一丁 |
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| 作者单位： | 陕西科技大学化学与化工学院; |
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| 基金项目： | 国家自然科学基金资助项目(50673055) |
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| 摘 要： | 以过硫酸钾和亚硫酸氢钠为引发剂,聚乙烯醇为保护胶体,采用种子无皂乳液聚合方法制备了丙烯酸丁酯、苯乙烯、α-甲基丙烯酸和丙烯酸-2-羟乙酯共聚的丙烯酸树脂乳液;添加钾离子、钙离子等金属阳离子催化了阴离子丙烯酸树脂乳液和水性环氧树脂的交联,形成了空间网状结构;在单晶硅基底上铺展了共聚物超薄膜,用激光纳米粒度及电位仪、流变仪、原子力显微镜表征了粒度、Zeta电位、流变性能和膜的形貌,分析了金属阳离子对丙烯酸树脂乳液交联的影响,发现阳粒子的加入使得粒径、Zeta电位减小,流变性能变化,可以催化共价交联的进行。
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| 关 键 词： | 丙烯酸树脂乳液 交联 形貌 阳离子 |
The Structure and Properties of Water-Based Epoxy Resin Crosslinking Acrylic Emulsion |
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| KANG Yun-fei,SHEN Yi-ding. The Structure and Properties of Water-Based Epoxy Resin Crosslinking Acrylic Emulsion[J]. Polymer Materials Science & Engineering, 2009, 0(3): 17-20 |
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| Authors: | KANG Yun-fei SHEN Yi-ding |
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| Affiliation: | (College of Chemistry and Chemical Engineering,Shaanxi University of Science and Technology,Xi′an 710021,China) |
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| Abstract: | Seed-copolymerization of acrylic emulsion were prepared by butyl acrylate(BA),styrene(St),methacrylate(MAA) and acrylic 2-hydroxyethyl methacrylate(HEA),using potassium persulfate(KPS) and sodium bisulfite(NaHSO3) as initiators,polyvinyl alcohol(PVA)as dispersing agent.Pushing by potassium,calcium and other anti-ion adsorption this anionic acrylic emulsion micelles were changed.Waterborne epoxy resin emulsion crosslinked acrylic emulsion,the electrostatic adsorption fixed space network structure.On the sili... |
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| Keywords: | acrylic emulsion crosslinking morphology anti-ion |
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