Modification of the polycarbonate-polysiloxane block copolymer by poly(ethylene oxide) and poly(N-vinylpyrrolidone)

被引：0
|
作者：
Nikiforova, GG
Raigorodskii, IM
Il'ina, MN
Grishina, AF
Grigor'ev, AG
Obolonkova, ES
Kopylov, VM
Papkov, VS
机构：
[1] Russian Acad Sci, AN Nesmeyanov Organoelement Cpds Inst, Moscow 119991, Russia
[2] State Unitary Enterprise, State Res Inst Med Polymers, Moscow 117246, Russia
[3] Russian Acad Sci, Enikolopov Inst Synth Polymer Mat, Moscow 117393, Russia
[4] Fed State Unitary Enterprise, State Res Inst Chem & Technol Organoelement Cpds, Moscow 111123, Russia
来源：
POLYMER SCIENCE SERIES A | 2004年 / 46卷 / 07期
关键词：
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The introduction of poly(ethylene oxide) and poly(N-vinylpyrrolidone) into the polycarbonate-polysiloxane block copolymer is shown to significantly enhance the hydrophilicity of its films while preserving their high gas permeability and favorable mechanical properties. The effect of the morphology of the block copolymer-poly(ethylene oxide) and block copolymer-poly(N-vinylpyrrolidone) blend films obtained from a solution in a common solvent (methylene chloride) on their physical properties is analyzed. To estimate the compatibility of the polymeric components and to establish the influence of phase decomposition in solution on the final morphology of the blend films, the phase state of the methylene chloride-block copolymer-poly(ethylene oxide) ternary system is studied within a wide range of compositions.
引用
收藏
页码：716 / 722
页数：7
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