甲醇气氛静态呼吸图法制备蜂窝状有序多孔膜

doi:10.6023/A1107291

化学学报 ›› 2012, Vol. 70 ›› Issue (01): 45-50.DOI: 10.6023/A1107291 上一篇下一篇

研究论文

甲醇气氛静态呼吸图法制备蜂窝状有序多孔膜

兰平^a, 李剑^b, 龚剑亮^b, 李磊^b

a. 嘉兴学院高分子系, 嘉兴 314001;
b. 厦门大学材料学院, 厦门 361005

投稿日期:2011-07-29 修回日期:2011-09-17 发布日期:2012-02-25
通讯作者: 兰平, 李磊 E-mail:lanping007@126.com;lilei@xmu.edu.cn
基金资助:
国家自然科学基金(Nos.21174116,20974089,51035002)、福建省杰出青年基金(No.2009J06029)、教育部新世纪人才基金(No.NCET-08-0475)、浙江省自然科学基金(No.Y4110606)、浙江省重点科技创新团队(No.2010R50012)子项目及浙江嘉兴市生物医用高分子材料重点科技创新团队项目资助.

Fabrication of Honeycomb Polymeric Films via Breath-figure Process under Methanol Atmosphere

Lan Ping^a, Li Jian^b, Gong Jianliang^b, Li Lei^b

a. Institute of Polymer Material Engineering, Jiaxing University, Jiaxing 314001;
b. College of Materials, Xiamen University, Xiamen 361005

Received:2011-07-29 Revised:2011-09-17 Published:2012-02-25
Supported by:
Projects was supported by the National Natural Science Foundation of China(Nos.21174116,20974089,51035002),the Outstanding Youth Foundation of Fujian Province(No.2009J06029),New Century Talents Foundation from Ministry of Education of China(NCET-08-0475),Natural Science Foundation of Zhejiang Province(No.Y4110606),Sub-project of Key Technological Innovation Team of Zhejiang Province(No.2010R50012)and Key Technological In- novation Team of Biomedical Polymer Materials in Jiaxing City.

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摘要/Abstract

以原子转移自由基聚合方法合成的聚二甲基硅氧烷-b-聚苯乙烯(PDMS-b-PS)为铸膜材料,在静态呼吸图的基础上,首次在甲醇氛围下利用PDMS-b-PS的二硫化碳溶液铸膜得到了高度规整的蜂窝状有序多孔结构.研究了聚合物溶液浓度对孔径的影响,并与水蒸汽氛围制备的孔结构进行了比较.结果表明,甲醇气氛下制备的多孔膜的孔径比水蒸汽氛围下的大,且孔的断面形貌呈“U”形;孔径随着溶液浓度的增大而减小.该研究有利于呼吸图法制备有序结构材料技术的进一步发展,有助于人们更加准确与全面地认识呼吸图机理.

关键词: 静态呼吸图, 嵌段共聚物, 蜂窝状结构

In this paper,highly ordered honeycomb polymeric films were prepared via a static breath-figure process under methanol atmosphere for the first time.The employed block copolymer, poly(dimethylsiloxane)-block-polystyrene(PDMS-b-PS),was synthesized by atom transfer radical polym- erization.The influences of vapor atmosphere and the concentration of polymer solution on the morphology of the porous films were also investigated.Versus the morphologies of honeycomb polymer films fabricated under the saturated relative humidity,it was found that the average pore size of honeycomb films increased and the cross-sectional view of pore appeared in a shape of“U”.This research may be helpful to explore the formation mechanism of honeycomb porous structures during the breath figure process.

Key words: static breath figure, block copolymer, honeycomb structure

引用此文

兰平, 李剑, 龚剑亮, 李磊. 甲醇气氛静态呼吸图法制备蜂窝状有序多孔膜[J]. 化学学报, 2012, 70(01): 45-50.

Lan Ping, Li Jian, Gong Jianliang, Li Lei. Fabrication of Honeycomb Polymeric Films via Breath-figure Process under Methanol Atmosphere[J]. Acta Chimica Sinica, 2012, 70(01): 45-50.

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甲醇气氛静态呼吸图法制备蜂窝状有序多孔膜

Fabrication of Honeycomb Polymeric Films via Breath-figure Process under Methanol Atmosphere

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