Specific features of wetting and adsorption properties of track membranes on the basis of poly(ethylene terephthalate)

Authors
Shataeva, LK Ryadnova, IY Nechaev, AN Sergeev, AV Chikhacheva, IP Mchedlishvili, BV
Citation
Lk. Shataeva et al., Specific features of wetting and adsorption properties of track membranes on the basis of poly(ethylene terephthalate), COLL J, 62(1), 2000, pp. 113-118
Citations number
15
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
COLLOID JOURNAL
ISSN journal
1061933X → ACNP
Volume
62
Issue
1
Year of publication
2000
Pages
113 - 118
Database
ISI
SICI code
1061-933X(200001/02)62:1<113:SFOWAA>2.0.ZU;2-M
Abstract
Contact angles formed by aqueous solutions on PET track membranes with pore sizes ranging from 0.02 to 0.5 mu m were measured. After treatment of the membrane surface with an alkaline buffer or surfactant solutions, after cov alent grafting of methacrylic acid (MAA), or gas-phase modification with xe non difluoride, wetting of these surfaces changes, just as their adsorption capacity with respect to proteins (serum albumin) and dyes (rhodamine). Th e contact angles formed by liquids with different surface tensions were use d to estimate the critical surface tension of the membranes.