Preparation and Properties of Polydimethylsiloxane (PDMS)/Polyethylene Glycol (PEG)-Based Amphiphilic Polyurethane Elastomers

被引：39
作者：
Lin, Yinlei [1 ,2 ]
He, Deliu [2 ]
Hu, Huawen [1 ]
Yi, Peng [2 ]
Liu, Xiaoting [1 ]
Huang, Jianhui [1 ]
Wu, Shaozhen [1 ]
Li, Guangji [2 ]
机构：
[1] Foshan Univ, Sch Mat Sci & Energy Engn, 18 Jiangwan First Rd, Foshan 528000, Guangdong, Peoples R China
[2] South China Univ Technol, Sch Mat Sci & Engn, 381 Wushan Rd, Guangzhou 510640, Guangdong, Peoples R China
来源：
ACS APPLIED BIO MATERIALS | 2019年 / 2卷 / 10期
基金：
中国国家自然科学基金;
关键词：
polyurethane elastomers; amphiphilic surface; multiblock copolymer; polydimethylsiloxane; polyethylene glycol; polyaddition reaction;
D O I：
10.1021/acsabm.9b00605
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Amphiphilic polyurethane elastomers (APUE) were synthesized using a two-step polyaddition reaction based on the hydroxyl-terminated polydimethylsiloxane (PDMS) and polyethylene glycol (PEG) soft segments with the molecular weights (Mw's) of 2000 and 1000, respectively. The effects of the PDMS/PEG contents on the properties and structures of the APUE were investigated. It was found that the APUE possessed high elongation, moderate tensile strength, and good thermal properties. In addition, the APUE showed tunable oxygen permeability (Dk) and water vapor transmission rate (WVTR), and a similar WVTR to that of skin could be obtained for the optimized sample (APUE2). Importantly, APUE also exhibited excellent antibacterial efficacy against two kinds of bacteria along with impressive cytocompatibility. All of the results demonstrated that the synthesized APUE will hold substantial potential for biomaterial applications.
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收藏
页码：4377 / 4384
页数：8
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