• 中文
    • English
  • English 
    • 中文
    • English
  • Login
View Item 
  •   DSpace Home
  • 化学化工学院
  • 化学化工-已发表论文
  • View Item
  •   DSpace Home
  • 化学化工学院
  • 化学化工-已发表论文
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Analyzing solubility and diffusion of solvents in novel hybrid materials of poly(vinyl alcohol)/gamma-aminopropyltriethoxysilane by inverse gas chromatography

Thumbnail
Full Text
Analyzing solubility and diffusion of solvents in novel hybrid materials of poly(vinyl alcohol)gamma-aminopropyltriethoxysilane by inverse gas chromatography.pdf (567.1Kb)
Date
2007
Author
Zhang, Qiu Gen
Liu, Qing Lin
刘庆林
Lin, Jie
Chen, Jian Hua
Zhu, Ai Mei
朱爱梅
Collections
  • 化学化工-已发表论文 [14235]
Show full item record
Abstract
Novel hybrid materials were prepared through sol-gel reaction of poly(vinyl alcohol) (PVA) and c-aminopropyltriethoxysilane (APTEOS). Solubility and diffusion behavior of a series of solvents in the PVA/APTEOS hybrid materials were studied by inverse gas chromatography (IGC) fitted with a packed column. Solubility thermodynamics parameters at infinite dilution, such as the activity coefficient Omega(infinity)(1) and the solubility coefficient S of solvents in the hybrid materials, the partial molar excess free energy of mixture Delta G(m), and the Flory-Huggins interaction parameter chi(infinity)(12) were determined. The infinite dilution diffusion coefficients D-infinity of the solvents in the hybrid materials were also calculated. Effects of APTEOS content in the stationary phase and the column temperature on the solubility and diffusion of solvents in the hybrid materials were investigated. The hybrid material containing 5.0 wt% APTEOS has the strongest interaction with water, the largest S and D-infinity for water, and the hybrid material has a promising application in membrane separation, such as pervaporation dehydration of alcohol solution. The solubility parameter delta(2) of the hybrid materials was estimated, and it decreased with increasing APTEOS content. The dependence of D-infinity on temperature was in good agreement with the Arrhenius equation.
Citation
JOURNAL OF MATERIALS CHEMISTRY,2007,17(46):4889-4895
URI
http://dx.doi.org/doi:
https://dspace.xmu.edu.cn/handle/2288/9224

copyright © 2002-2016  Duraspace  Theme by @mire  厦门大学图书馆  
About | Policies
 

 

Browse

All of DSpaceCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsThis CollectionBy Issue DateAuthorsTitlesSubjects

My Account

LoginRegister

copyright © 2002-2016  Duraspace  Theme by @mire  厦门大学图书馆  
About | Policies