Vapor-Induced Swelling of Supported Methacrylic and Siloxane Polymer Films: Determination of Interaction Parameters

被引：18

作者：

Manoli, Kyriaki ^{[1
,2
]}

Goustouridis, Dimitris ^{[2
]}

Raptis, Ioannis ^{[2
]}

Valamontes, Evangelos ^{[3
]}

Sanopoulou, Merope ^{[1
]}

机构：

[1] NCSR Demokritos, Inst Phys Chem, Athens 15310, Greece

[2] NCSR Demokritos, Inst Microelect, Athens 15310, Greece

[3] TEI Athens, Dept Elect Engn, Athens 12243, Greece

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2010年 / 116卷 / 01期

关键词：

white light reflectance spectroscopy; swelling; vapor sorption; thin polymer films; polysiloxanes; polymethacrylates; WHITE-LIGHT INTERFEROMETRY; VOLATILE ORGANIC-COMPOUNDS; MOISTURE ABSORPTION; CHEMICAL SENSORS; SORPTION; MEMBRANES; DIFFUSION; POLY(DIMETHYLSILOXANE); PERVAPORATION; TRANSPORT;

D O I：

10.1002/app.31100

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

White light reflectance spectroscopy is applied to monitor vapor-induced thickness changes of polymer films, supported on suitable silicon substrates, Assuming unidirectional swelling due to the constraining support, the equilibrium volume swelling of four methacrylic polymers and two siloxane-based copolymers upon exposure to various activities of water, methanol, ethanol, and ethyl acetate vapor, at 30 degrees C is evaluated. The deduced sorption isotherms were fitted to the Flory-Huggins equation mid interaction parameters, as well as solubility coefficients at infinite solute dilution, were deduced for each binary system. The relative sorption capacity of the different classes of polymers toward the four vapors are in line with the expected solubility interactions between solvent and solute. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 116: 184-190, 2010

引用

页码：184 / 190

页数：7

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