| 聚甲基丙烯酸甲酯表面改性TiO2的研究 |
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| 引用本文： | 谈定生 严年喜. 聚甲基丙烯酸甲酯表面改性TiO2的研究[J]. 上海大学学报(自然科学版), 1996, 2(4): 425-430 |
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| 作者姓名： | 谈定生 严年喜 |
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| 作者单位： | 上海大学，苏州大学，华东理工大学 |
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| 摘 要： | 本文采用无皂乳液聚合法，使甲基丙烯酸甲酯（ＭＭＡ）在ＴｉＯ２粒子表面进行聚合，得到了以ＴｉＯ２粒子为核，聚甲基丙烯酸甲酯（ＰＭＭＡ）为壳的复合粒子，ＴｉＯ２粒子表面由此得到改性研究了ＴｉＯ２表面聚合物成膜的条件，用ＴＥＭ证实了表面聚合物膜的存在，运用ＩＲ和ＤＴＡ对复合粒子进行了表征，并利用Ｚｅｔａ电位，接触角的测定及分散性试验对改性前后ＴｉＯ２的表面性质进行了研究。
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| 关 键 词： | 无皂乳液聚合；二氧化钛；表面改性 |
Study on Surface Modification of TiO_2 With Polymethyl Methacrylate |
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| Tan Dingsheng. Study on Surface Modification of TiO_2 With Polymethyl Methacrylate[J]. Journal of Shanghai University(Natural Science), 1996, 2(4): 425-430 |
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| Authors: | Tan Dingsheng |
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| Affiliation: | Tan Dingsheng (Shanghai University)Yan Nianxi; Xue Qing (Suzhou University)Shi Yajun (East china University of Technology) |
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| Abstract: | By means of soapless emulsion polymerization method, the polymerization of methyl methacrylate (MMA) at the suface of titanium dioxide (TiO2) particles has been carried out. In this process, composite particles with a TiO2core and a polymer shell were obtained and thus the surface of titanium dioxide was modified. The conditions affecting formation of film-like polymer at TiO2surface were investigated. The encapsulating polymer was verified by TEM. DTA and IR. In addition, the surface properties of modified TiO2 were studied by Zeta-potential measurements and determination of contact angle and dispersability. |
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| Keywords: | soapless emulsion polymerization titanium dioxide surface modification |
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