Surface modification of natural rubber latex films by hydroxyethyl methacrylate

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• 作者：Hongchao Liu ; Qifang Wang ; Lina Wei ; Heping Yu
• 刊名：Polymer Science Series B
• 出版年：2015
• 出版时间：November 2015
• 年：2015
• 卷：57
• 期：6
• 页码：623-630
• 全文大小：2,054 KB
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• 作者单位：Hongchao Liu (1) (3)
  Qifang Wang (1)
  Lina Wei (1) (2)
  Heping Yu (1)
  
  1. Agriculture Ministry Key Laboratory of Tropical Crop Products Processing, Agricultural Product Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences, Guangdong Zhanjiang, 524001, China
  3. Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Hainan Danzhou, 571700, China
  2. School of Materials Science and Engineering, North University of China, Shanxi Taiyuan, 030051, China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Polymer Sciences
  Russian Library of Science
  
• 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
• ISSN：1555-6123

文摘

The surface modifications of natural rubber latex films by argon plasma pretreatment, followed by UV-induced graft copolymerization of hydroxyethyl methacrylate, were carried out to improve the latex hydrophilicity. The effect of plasma pretreatment time, monomer concentration and UV irradiation time on the graft densities was studied. ATR-FTIR analyses indicates the efficient grafting of poly(hydroxyethyl methacrylate) onto the surface of latex film. The surface roughness of natural rubber latex films increases to 360 nm from 9 nm, leading to a decrease of water contact angle value of NR latex film surface to about 60° from 100°, and thus confirmed improvement of the hydrophilicity of latex film. Biocompatibility of the film was evaluated with vitro cytotoxicity test; the results proved a good biocompatibility of modified latex. The article is published in the original.