| Silk Fibroin Film Blended with Poly（ ethylene glycol-glycerin） |
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| 引用本文： | 李姣姣,张珊珊,邢铁玲,李明忠,卢神州.Silk Fibroin Film Blended with Poly（ ethylene glycol-glycerin）[J].东华大学学报(英文版),2014,31(4):507-510. |
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| 作者姓名： | 李姣姣 张珊珊 邢铁玲 李明忠 卢神州 |
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| 作者单位： | National Engineering Laboratory for Modem Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China |
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| 基金项目： | National Natural Science Foundations of China(Nos.51203107,51373114);the Priority Academic Program Development ofJiangsu Higher Education Institutions,China;Natural Science Foundation of Jiangsu Province,China(No.BK20131176) |
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| 摘 要： | To improve the toughness of silk fibroin（ SF） films,poly（ ethylene glycol-glycerin）（ PEGG） was synthesized with ethylene glycol and epichlorohydrin. The SF / PEGG blend films were prepared by casting aqueous solution and their structures were characterized. The PEGG was in liquid state at room temperature so it will not be a single phrase at blend film. It crosslinked with SF and made it insolubility in water. The results of X-ray diffraction（ XRD） indicated that the crystallinity of the SF in the blend films decreased with the content of PEGG increasing. The tensile strength and elongation at break of blend films were measured using an instron tensile tester. The results showed that the tensile strength and elongation at break of blend films were high enough for application.After the blend films were stored at room temperature for 100 d,the crystallinity, the tensile strength and elongation at wet state increased. The blend films are superior to SF films in providing excellent flexibility and mechanical properties in both dry and wet states. Based on the fact that SF has good biocompatibility,the SF /PEGG blend film will offer new options in many different biomedical applications.
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| 关 键 词： | silk fibroin（SF） structure mechanical properties biomaterials films |
Silk Fibroin Film Blended with Poly(ethylene glycol-glycerin) |
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| LI Jiao-jiao,ZHANG Shan-shan,XING Tie-ling,LI Ming-zhong,LU Shen-zhou.Silk Fibroin Film Blended with Poly(ethylene glycol-glycerin)[J].Journal of Donghua University,2014,31(4):507-510. |
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| Authors: | LI Jiao-jiao ZHANG Shan-shan XING Tie-ling LI Ming-zhong LU Shen-zhou |
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| Institution: | National Engineering Laboratory for Modem Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China |
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| Abstract: | To improve the toughness of silk fibroin( SF) films,poly( ethylene glycol-glycerin)( PEGG) was synthesized with ethylene glycol and epichlorohydrin. The SF / PEGG blend films were prepared by casting aqueous solution and their structures were characterized. The PEGG was in liquid state at room temperature so it will not be a single phrase at blend film. It crosslinked with SF and made it insolubility in water. The results of X-ray diffraction( XRD) indicated that the crystallinity of the SF in the blend films decreased with the content of PEGG increasing. The tensile strength and elongation at break of blend films were measured using an instron tensile tester. The results showed that the tensile strength and elongation at break of blend films were high enough for application.After the blend films were stored at room temperature for 100 d,the crystallinity, the tensile strength and elongation at wet state increased. The blend films are superior to SF films in providing excellent flexibility and mechanical properties in both dry and wet states. Based on the fact that SF has good biocompatibility,the SF /PEGG blend film will offer new options in many different biomedical applications. |
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| Keywords: | silk fibroin (SF) structure mechanical properties biomaterials films |
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