Journal
DRYING TECHNOLOGY
Volume 29, Issue 6, Pages 633-641Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/07373937.2010.519840
Keywords
Dimethylacetamide; Pervaporation; Poly(phenylene isophtalamide); Residual solvent; Sorption calorimetry
Categories
Funding
- Swedish Institute
- Russian Foundation for Basic Research [09-03-00812]
Ask authors/readers for more resources
The influence of a plasticizer in the form of the residual solvent dimethylacetamide on pervaporation and sorption properties of membranes based on poly(phenylene isophtalamide) (PA) was investigated. To analyze the influence of the plasticizer on membrane transport properties, pervaporation of binary water-ethyl acetate mixtures was studied. The method of sorption calorimetry was used to investigate water sorption properties of the studied membranes and PA powder. Moreover, to characterize the PA membranes, contact angle measurements and thermogravimetric analysis (TGA) were applied. It is shown that the presence of a residual organic solvent significantly changes the sorption and transport characteristics of the membranes. The residual organic solvent increases the amount of water absorbed by the polymer membrane. In pervaporation of water/ethyl acetate mixtures, the presence of the residual solvent dimethylacetamide makes the membrane more permeable but less selective for water separation.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available