以正硅酸乙酯(TEOS)为前驱体,采用溶胶-凝胶法原位制备了SiO2/胶原水解物-聚乙烯醇杂化复合膜(SiO2/CH-PVA杂化膜).通过溶胀、热重(TG)、红外光谱(FTIR)、扫描电镜(SEM)和拉伸实验,考察了SiO2对杂化膜性能的影响.结果表明,SiO2的引入减小了膜的平衡溶胀度,减缓了膜的溶胀速率,有效地抑制了胶原水解物的溶解.红外光谱中Si-O-Si、Si-C键的吸收峰表明形成了交联的有机聚合物/无机杂化体系,SiO2的引入显著地提高了杂化膜的热稳定性和力学性能,当SiO2,质量分数由0%增加到20%,杂化膜的抗张强度由18 MPa.提高到25 MPa,断裂伸长率由510%提高到780%.
参考文献
| [1] | Tharanathan R N.Biodegradable films and composite coatings:Past,present and future[J].Trends in Food Science and Technology,2003,14(3):71-78. |
| [2] | 唐屹,杨璐铭,徐建军.等.胶原蛋白/聚乙烯醇复合纤维的结构与性能[J].合成纤维工业,2007,30(2):7-11.Tang Yi,Yang Luming,Xu Jianjun,et al.Structure and properties of collagen/polyvinyl alcohol composite fiber[J].China Synthetic Fiber Industry,2007,30(2):7-11. |
| [3] | Alexy P,Chiellini E,Cinelli P,et al.Poly(vinyl alcohol)collagen hydrolysate thermoplastic blends I:Experimental design optimization and biodegradation behavior[J].Polymer Testing,2003,22(7):801-809. |
| [4] | Hoffmann J,Reznckova I,Kozakova J,et al.Assessing biodegradability of plastics based on poly(vinyl alcohol) and protein wastes[J].Polymer Degradation and Stability,2003,79(3):511-519. |
| [5] | Lesinsky D,Fritz J,Braun R,et al.Biological degradation of CH-PVA blends in terrestrial and aquatic conditions[J].Bioresource Technology,2005,95(2):197-201. |
| [6] | 许凤兰,李玉宝,姚晓明,等.纳米羟基磷灰石/聚乙烯醇复合人工角膜材料[J].复合材料学报,2005,22(1):27-31.Xu Fenglan,Li Yubao,Yao Xiaoming,et al.Nanohydroxyapatite/polyvinyl alcohol composite for keratoprosthesis[J].Acta Matefiae Compositae Sinica,2005,22(1):27-31. |
| [7] | Sanchez C,Lebeau B,Ribot F,et al.Molecular design of sol-gel derived hybrid organic-inorganic nanocomposites[J].Journal of Sol-Gel Science and Technology,2000.19(1):31-38. |
| [8] | 钱海霞,熊惟皓.溶胶-凝胶法合成有机/无机纳米复合材料的研究进展[J].材料导报,2001,15(12):55-57.QJan Haixia,Xiong Weihao.Advance in research on organic/inorganic nanocomposite materials prepared by sol-gel process[J].Materials Review,2001,15(12):55-57. |
| [9] | 裴海燕.从废弃铬鞣皮屑中提取胶原蛋白类水解物的研究[D].郑州:郑州大学,2002:35-40.Pei Haiyan.Study on the preparation of collagen hydrolysate from wasted chrome tanned leather shavings[D].Zhengzhou:Zhengzhou University,2002:35-40. |
| [10] | 张龙翔,张庭芳,李令媛,等.生化实验方法和技术[M].北京:高等教育出版社,1981:164-169.Zhang Longxiang,Zhang Tingfang,Li Lingyuan,et al.Biochemical experiment and technology method[M].Beijing:China Higher Education Press,1981:164-169. |
| [11] | Zheng P,Kong L X,Li S D.Thermal properties and morphology of poly(vinyl alcohol)/silica nanocomposite prepared with self-assembled monolayer technique[J].Journal of Applied Polymer Science,2005,96(4):1436-1442. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%