以苯乙烯为单体,聚乙烯基吡咯烷酮(PVP)为分散剂,在一定比例乙醇与水的混合介质中,用微型分散聚合法制备了聚苯乙烯微球.用纳米粒度与电位分析仪对聚苯乙烯微球的粒径进行了比较分析.实验结果表明,同常规分散聚合法一样,微型分散聚合法同样可以得到单分散性好的聚苯乙烯微球,且两者粒径几乎相同.相比之下,微型实验具有省试剂、少污染、安全快速、便于操作等优点,可在高分子化学研究和实验中推广应用.
参考文献
[1] | Lee JW;Ha JU;Choe S;Lee CS;Shim SE .Synthesis of highly monodisperse polystyrene microspheres via dispersion polymerization using an amphoteric initiator[J].Journal of Colloid and Interface Science,2006(2):663-671. |
[2] | Hong J;Hong CK;Shim SE .Synthesis of polystyrene microspheres by dispersion polymerization using poly(vinyl alcohol) as a steric stabilizer in aqueous alcohol media[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2007(1/3):225-233. |
[3] | Sang Eun Shim;Sejin Oh;Yoon Ho Chang;Myung-Jong Jin;Soonja Choe .Solvent effect on TEMPO-mediated living free radical dispersion polymerization of styrene[J].Polymer: The International Journal for the Science and Technology of Polymers,2004(14):4731-4739. |
[4] | H. O. Gupta .A Novel W-Tube for Microscale Experiments in Chemistry[J].Journal of Chemical Education,2007(2):321-0. |
[5] | Ted M. Pappenfus;David L. Hermanson;Daniel P. Ekerholm .Synthesis and Catalytic Activity of Ruthenium-Indenylidene Complexes for Olefin Metathesis[J].Journal of Chemical Education,2007(12):1998-2000. |
[6] | Elvira Santos Santos;Irma Cruz Gavilan Garcia;Eva Florencia Lejarazo Gomez .Caring for the Environment While Teaching Organic Chemistry[J].Journal of Chemical Education,2004(2):232-238. |
[7] | Lacroix-Desmazes P.;Guillot J. .Dispersion polymerization of styrene in ethanol-water media: Monomer partitioning behavior and locus of polymerization[J].Journal of Polymer Science, Part B. Polymer Physics,1998(2):325-335. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%