Hydrophilic surface modification of poly(vinyl chloride) film and tubing using physisorbed free radical grafting technique

被引：73

作者：

McGinty, Kathryn M. ^{[1
]}

Brittain, William J. ^{[1
]}

机构：

[1] Univ Akron, Dept Polymer Sci, Akron, OH 44325 USA

来源：

POLYMER | 2008年 / 49卷 / 20期

关键词：

physisorption; poly(vinyl chloride); surface modification;

D O I：

10.1016/j.polymer.2008.07.063

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The grafting of hydrophilic monomers from the surface of PVC films and complex geometries, such as tubing, was executed by a novel two-step process: physisorption of a hydrophobic free radical initiator onto a polymer surface followed by radical polymerization with hydrophilic monomers. The key step is creating a hydrophobic/hydrophilic diffusional barrier that promotes radical generation upon heating at the polymer surface. Transmission infrared spectroscopy, X-ray photoelectron spectroscopy, surface wettability and capillary rise, gravimetric analysis, UV-vis spectroscopy and gel permeation chromatography were utilized to prove successful covalent grafting of poly(hydroxyethylmethacrylate), poly(dimethylacrylamide), poly(hyd roxyethylacry late), poly(d i methyla m i noethyl methacryl ate), poly(acrylic acid), and poly(4-vinyl pyridine). (c) 2008 Elsevier Ltd. All rights reserved.

引用

页码：4350 / 4357

页数：8

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