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学科主题: 分析化学
题名: Well-defined monocarboxyl-terminated polystyrene with low molecular weight: A candidate for the fabrication of highly ordered microporous films and microspheres via eae static breath-figure process
其他题名: 结构可控的低分子量单羧基封端聚苯乙烯: 利用静态呼吸图法制备高度有序微孔薄膜和微球的候选者
作者: Gao JP(高金苹)1; Wu W(吴韦)1; Rong L(荣雷)1; Mao GL(毛国梁)1; Ning YN(宁英男)1; Zhao QL(赵巧玲)1; Huang J(黄晋)1; Ma Z(马志)1
通讯作者: 吴韦 ; 马志
刊名: Eur. Polym. J.
发表日期: 2014
DOI: 10.1016/j.eurpolymj.2014.07.032
卷: 59, 页:171-179
收录类别: SCI
英文摘要: Aiming at the fabrication of highly ordered microporous films, a series of well-defined monocarboxyl-terminated polystyrenes (PS-COOH) with low molecular weight (PS13K-COOH: M-n = 13 kg mo1(-1), = M-w/M-n=1.04; PS10k-COOH: M-n = 10 kg mo1(-1), M-w/M-n = 1.05; PS4.4K-COOH: Mn = 4.4 kg mol(-1), M-w/M-n = 1.05 and PS2.1k-COOH: M-n = 2.1 kg mo1(-1), M-w/M-n = 1.08) were synthesized firstly via reversible addition-fragmentation chain transfer (RAFT) polymerization using S-1-dodecyl-S'-(alpha,alpha'-dimethyl-alpha''-acetic acid) trithiocarbonate as chain transfer agent. Then, a facile static breath-figure (BF) process was employed to fabricate microporous films of PS-COOHs. The influencing factors on the morphology of such microporous films, such as relative humidity, temperature, solvent, polymer concentration and molecular weight of polymer were investigated. Highly ordered microporous film with average pore size of 1.33 pm and better regularity was fabricated through a static BF process using PS10k-COOH solution in CS2 (40 mg mL(-1)) at 22 degrees C in relative humidity of 95%. It was noteworthy that highly ordered microporous film (the average pore sizes from 0.77 mu m to 0.83 mu m) can be successfully fabricated using PS COOH with very low M-n of 2.1 kg mo1(-1) for the first time. Moreover, microsphere pattern of PS COOH with the average diameters from 0.85 mu m to 5.40 mu m was formed when replacing water with methanol as environmental vapor in the chamber for the static BF process. (C) 2014 Elsevier Ltd. All rights reserved.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/38597
Appears in Collections:分析化学研究室_期刊论文

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作者单位: 1.中科院上海有机化学研究所
2.东北石油大学

Recommended Citation:
Gao JP,Wu W,Rong L,et al. Well-defined monocarboxyl-terminated polystyrene with low molecular weight: A candidate for the fabrication of highly ordered microporous films and microspheres via eae static breath-figure process[J]. Eur. Polym. J.,2014,59:171-179.
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