以苯乙烯(St)、正硅酸乙酯(TEOS)、二乙烯基苯(DVB)为主要原料,采用双原位细乳液工艺和不同引发体系,制备SiO2/PS复合微球,并以此为种子乳液,继续滴加第2种单体甲基丙烯酸甲酯(MMA),合成聚苯乙烯-聚甲基丙烯酸甲酯(PS-PMMA)复合微球;通过红外光谱、透射电镜、热量分析等测试手段对复合微球进行结构和形貌的表征.结果表明,复合微球制备成功,其中包覆的无机粒子SiO2增加了微球的交联度和热稳定性;引发剂类型对复合微球的形貌和粒径影响很大,不同的乳化剂也对复合微球的形貌产生较大影响.
参考文献
| [1] | Yu H.;McMahon TM.;Campagnari AA.;Raymonda JW. .Detection of biological threat agents by immunomagnetic microsphere-based solid phase fluorogenic- and electro-chemiluminescence[J].Biosensors & Bioelectronics: The International Journal for the Professional Involved with Research, Technology and Applications of Biosensers and Related Devices,2000(10/11):829-840. |
| [2] | S.Sacanna;L.Rossi;B.W.M.Kuipers;A.P.Philipse .Fluorescent Monodisperse Silica Ellipsoids for Optical Rotational Diffusion Studies[J].Langmuir: The ACS Journal of Surfaces and Colloids,2006(4):1822-1827. |
| [3] | Ma, H.;Dai, L.L. .Synthesis of polystyrene-silica composite particles via one-step nanoparticle-stabilized emulsion polymerization[J].Journal of Colloid and Interface Science,2009(2):807-811. |
| [4] | Zhang, YH;Chen, H;Shu, XW;Zou, Q;Chen, M .Fabrication and characterization of raspberry-like PSt/SiO2 composite microspheres via miniemulsion polymerization[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2009(1/3):26-32. |
| [5] | Reculusa, S;Poncet-Legrand, C;Perro, A;Duguet, E;Bourgeat-Lami, E;Mingotaud, C;Ravaine, S .Hybrid dissymmetrical colloidal particles[J].Chemistry of Materials,2005(13):3338-3344. |
| [6] | Perro A;Reculusa S;Bourgeat-Lami E;Duguet E;Ravaine S .Synthesis of hybrid colloidal particles: From snowman-like to raspberry-like morphologies[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2006(0):78-83. |
| [7] | S.Sacanna;L.Rossi;B.W.M.Kuipers;A.P.Philipse .Fluorescent Monodisperse Silica Ellipsoids for Optical Rotational Diffusion Studies[J].Langmuir: The ACS Journal of Surfaces and Colloids,2006(4):1822-1827. |
| [8] | Hongwei Gu;Zhimou Yang;Jinhao Gao;Bing Xu .Heterodimers of Nanoparticles:Formation at a Liquid-Liquid Interface and Particle-Specific Surface Modification by Functional Molecules[J].Journal of the American Chemical Society,2005(1):34-35. |
| [9] | Kim JW;Larsen RJ;Weitz DA .Synthesis of nonspherical colloidal particles with anisotropic properties[J].Journal of the American Chemical Society,2006(44):14374-14377. |
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%