中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Interfacial behaviors of PMMA-PEO block copolymers at the air/water interface

文献类型:期刊论文

作者Cheng, CX; Jiao, TF; Tang, RP; Liu, MH; Xi, F
刊名SCIENCE IN CHINA SERIES B-CHEMISTRY
出版日期2005-12-01
卷号48期号:6页码:567-573
关键词Pmma-peo Block Copolymers Monolayer Langmuir-blodgett Films Afm
ISSN号1006-9291
DOI10.1360/042004-84
英文摘要Diblock copolymer of PMMA(291)-b-PEO114 and triblock copolymer of PMMA(120)-bPEO(227)-b-PMMA(120) were synthesized and their interfacial properties at the air-water interface were investigated, where both blocks of polyethylene oxide (PEO) and poly(methyl methacrylate) (PMMA) are surface active but the former is soluble in water while the latter is not. Both the block copolymers could form monolayers with two obvious transition regions. The first transition point is around 10 mN/m, which could be assigned to the pancake-brush change of the PEO chains. The other is around 18 mN/m, which could be ascribed to the condensed packing of PMMA. The surface morphological changes during the compression of the Langmuir monolayers are investigated by using the AFM and SEM methods for the films deposited at different surface pressure or molecular areas. At a lower surface pressure, a typical morphology of PEO-con- taining lipopolymers is observed. Upon compression, sphere-dominant morphologies were observed. While the diblock copolymer is easy to folding, the triblock copolymer is in favor of formation of circular domains through vesiculation.
语种英语
WOS记录号WOS:000234871500011
出版者SCIENCE PRESS
源URL[http://ir.iccas.ac.cn/handle/121111/57435]  
专题中国科学院化学研究所
通讯作者Liu, MH
作者单位1.Chinese Acad Sci, Inst Chem, Joint Lab Polymer Sci & Mat, State Key Lab Polymer Phys & Chem, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Inst Chem, CAS Key Lab Colloid & Interface Sci, Beijing 100080, Peoples R China
推荐引用方式
GB/T 7714
Cheng, CX,Jiao, TF,Tang, RP,et al. Interfacial behaviors of PMMA-PEO block copolymers at the air/water interface[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2005,48(6):567-573.
APA Cheng, CX,Jiao, TF,Tang, RP,Liu, MH,&Xi, F.(2005).Interfacial behaviors of PMMA-PEO block copolymers at the air/water interface.SCIENCE IN CHINA SERIES B-CHEMISTRY,48(6),567-573.
MLA Cheng, CX,et al."Interfacial behaviors of PMMA-PEO block copolymers at the air/water interface".SCIENCE IN CHINA SERIES B-CHEMISTRY 48.6(2005):567-573.

入库方式: OAI收割

来源:化学研究所

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