Preparation of bio-polyurethane using castor oil and antibacterial hybrid films thereof with silver-doped hydroxyapatite

被引：6
|
作者：
Kim, Yeong Su [1 ]
Min, Byung Gil [1 ]
机构：
[1] Kumoh Natl Inst Technol, Dept Mat & Design Engn, Gumi 39177, South Korea
来源：
FIBERS AND POLYMERS | 2017年 / 18卷 / 10期
关键词：
Biomass-based polyol; Castor oil; Bio-polyurethane; Hydroxyapatite; Silver doping; Antibacterial activity; POLY(VINYL ALCOHOL)/HYDROXYAPATITE CRYOGELS; CADMIUM SORPTION PROPERTIES; SOYBEAN OIL; ADSORPTION; POLYMERS; FIBERS; COLUMN;
D O I：
10.1007/s12221-017-7340-3
中图分类号：
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号：
0805 ; 080502 ; 0821 ;
摘要：
The hybrid films of bio-polyurethane (Bio-PU) and silver-doped hydroxyapatite (HA-Ag) for breathable and antibacterial textile applications. The Bio-PU was synthesized using a mixture of castor oil based polyol with petroleum based poly(ethylene glycol). Silver doping to hydroxyapatite(HA) was carried out through ion exchange mechanism between calcium ion in HA and silver ion (Ag+) in aqueous solution of AgNO3. The concentration of Ag+ was controlled to 100-300 ppm. The existence of silver in HA was proved using SEM-EDS while the silver doping amount was estimated by measuring residual concentration of Ag+ after doping using ICP-OES. It was found that the hybrid films exhibited excellent antibacterial activity against bacteria of S. aureus and K. pneumonia by showing 99.9 % reduction of bacteria.
引用
收藏
页码：1841 / 1847
页数：7
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