以羟基封端的聚二甲基硅氧烷和α-溴代异丁酰溴为原料,制备了双官能度Br-PDMS-Br,并以此为大分子引发剂,CuCl和2,2’-联吡啶为催化剂,通过原子转移自由基聚合制备了聚甲基丙烯酸丁酯-聚二甲基硅氧烷-聚甲基丙烯酸丁酯(PBMA-b-PDMS-b-PBMA)三嵌段聚合物.利用傅里叶变换红外光谱仪(FT-IR)、核磁(1H NMR)、凝胶渗透色谱分析仪(GPC)、热失重分析仪(TGA)、接触角测试仪、扫描电子显微镜(SEM)对三嵌段聚合物的结构及聚合反应进行了表征与测试.结果表明三嵌段聚合物具有较好的热稳定性、疏水性和微相分离.
参考文献
[1] | 黄文润.液体硅橡胶[M].成都:四川科学技术出版社,2009:1-2. |
[2] | Whitesides GM .The origins and the future of microfluidics[J].Nature,2006(7101):368-373. |
[3] | Demetri Psaltis;Stephen R. Quake;Changhuei Yang .Developing optof luidic technology through the fusion of microfluidics and optics[J].Nature,2006(7101):381-386. |
[4] | Wu YZ;Huang YY;Ma HW .A facile method for permanent and functional surface modification of poly(dimethylsiloxane)[J].Journal of the American Chemical Society,2007(23):7226-7227. |
[5] | Han JT;Xu XR;Cho KW .Diverse access to artificial superhydrophobic surfaces using block copolymers[J].Langmuir: The ACS Journal of Surfaces and Colloids,2005(15):6662-6665. |
[6] | Krulevitch P;Benett W;Hamilton J .Polymer-based packing plastform for hybrid microfluidic systems[J].Biomedical Microdevices,2002,4:301-308. |
[7] | Somasundaran P;Mehta SC;Purohit P .Silicone emulsions[J].Advances in colloid and interface science,2006(0):103-109. |
[8] | Malik, M.I.;Harding, G.W.;Pasch, H. .Two-dimensional liquid chromatography of PDMS-PS block copolymers[J].Analytical and bioanalytical chemistry,2012(2):601-611. |
[9] | Swart, M;Mallon, PE .Hydrophobicity recovery of corona-modified superhydrophobic surfaces produced by the electrospinning of poly(methyl methacrylate)-graft-poly(dimethylsiloxane) hybrid copolymers[J].Pure and Applied Chemistry,2009(3):495-511. |
[10] | 于涛,王筠,鲁代仁,白如科,陆伟琪.ATRP法合成结构对称的双羧基聚苯乙烯及其超分子的形成[J].高分子学报,2006(04):597-602. |
[11] | Zheng-hong Luo;Teng-yim He .Synthesis and characterization of poly(dimethylsiloxane)-block-poly(2,2,3,3,4,4,4-heptafluorobutyl methacrylate) diblock copolymers with low surface energy prepared by atom transfer radical polymerization[J].Reactive & functional polymers,2008(5):931-942. |
[12] | Yue Sun;Weiqu Liu .Synthesis and properties of triblock copolymers containing PDMS via AGET ATRP[J].Polymer bulletin,2012(7):1815-1829. |
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