聚乙烯醇衍生的聚离子复合物的研究——Ⅳ.聚离子复合物膜的力学行为及透过性能

王林; 丁虹; 李福绵

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聚乙烯醇衍生的聚离子复合物的研究——Ⅳ.聚离子复合物膜的力学行为及透过性能

研究简报 | 更新时间：2021-03-19

- 聚乙烯醇衍生的聚离子复合物的研究——Ⅳ.聚离子复合物膜的力学行为及透过性能
- POLYIONIC COMPLEXES DERIVED FROM POLYVINYL ALCOHOL IV. MECHANICAL BEHAVIOR AND PERMEABILITY OF POLYIONIC COMPLEXES MEMBRANES PREPARED FROM PVA AND ETHYLENE-VINYL ALCOHOL COPOLYMER
- 高分子学报 1993年第6期页码：753-757
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- 纸质出版日期：1993-12-20，
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王林, 丁虹, 李福绵. 聚乙烯醇衍生的聚离子复合物的研究——Ⅳ.聚离子复合物膜的力学行为及透过性能[J]. 高分子学报, 1993,(6):753-757.

WANG Lin, DING Hong, LI Fu-mian. POLYIONIC COMPLEXES DERIVED FROM POLYVINYL ALCOHOL IV. MECHANICAL BEHAVIOR AND PERMEABILITY OF POLYIONIC COMPLEXES MEMBRANES PREPARED FROM PVA AND ETHYLENE-VINYL ALCOHOL COPOLYMER[J]. Acta Polymerica Sinica, 1993,(6):753-757.
王林, 丁虹, 李福绵. 聚乙烯醇衍生的聚离子复合物的研究——Ⅳ.聚离子复合物膜的力学行为及透过性能[J]. 高分子学报, 1993,(6):753-757. DOI：

WANG Lin, DING Hong, LI Fu-mian. POLYIONIC COMPLEXES DERIVED FROM POLYVINYL ALCOHOL IV. MECHANICAL BEHAVIOR AND PERMEABILITY OF POLYIONIC COMPLEXES MEMBRANES PREPARED FROM PVA AND ETHYLENE-VINYL ALCOHOL COPOLYMER[J]. Acta Polymerica Sinica, 1993,(6):753-757. DOI：

摘要

Abstract

The mechanical behavior of polyionic complex (PIC)membranes derived from polyvinyl alcohol(PVA) or ethylene-vinyl alcohol copolymer (EVA) have been investigated. The presence of ethylene block segment in the backbone of polyions can endow PIC membranes with more toughness. Increasing the degree of substitution of the polyions

the formed PIC becomes harder and more brittle. Under the environment of relative humidity (R. H. ) of 40%

the tensile strength

relative elongation and modulus of PICs are at about 300kg/cm2

10% and 8×103kg/cm2

respectively

whereas inthe environment of 90% R.H.M these of PICs derived from EVA are at about 90 kg/cm2

150% and 13kg/cm2

respectively

better than that of PVA derived polyionic membrane and ordinary PIC such as Ioplex 101. The permeabil-ity of PIC membranes derived from EVA have also been studied.

关键词

聚乙烯醇乙烯-乙烯醇共聚物（EVA）聚离子复合物膜力学性能透过性能

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