Surface Heparinization of Poly(ether ether ketone)

被引：0
|
作者：
Sun Hui [1 ]
Chen Rui-chao [1 ]
Liu Shu [1 ]
Xu Guo-zhi [1 ]
机构：
[1] Beijing Technol & Business Univ, Dept Mat & Mech Engn, Beijing 100048, Peoples R China
来源：
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2012年 / 28卷 / 03期
关键词：
Poly(ether ether ketone)(PEEK); UV-Grafting; Space arm; Heparin immobilization; SINTERED POLYETHERETHERKETONE COMPOSITES; PLASMA; IMMOBILIZATION; FILMS; ADSORPTION; MEMBRANES;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Photo-grafting of hydrophilic monomer and space arms was used to enhance the hydrophilicity of poly(ether ether ketone)(PEEK) with the aim of extending its application to biological fields. PEEK films were surface modified by UV grafting of acrylic acid(AA) to introduce -COOH on PEEK surface. Adipic amine was used as a space arm to introduce heparin on PEEK surface based on the condensation reaction between -NH2 and -COOH. The modified PEEK(PEEK-COOH, PEEK-NH2 and PEEK-Hep) was characterized by energy-disperse spectroscopy (EDS), X-ray photoelectron spectroscopy(XPS) and water contact angle measurements, which show that heparin was grafted on PEEK surface. The contact angles of modified PEEK films were lower than those of original films, demonstrating a significant improvement of surface hydrophilicity.
引用
收藏
页码：542 / 545
页数：4
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