采用干法马来酸酐酯化玉米淀粉和聚乳酸(PLA)进行熔融共混制备可降解复合材料.采用X射线衍射、热重分析和扫描电镜对复合材料的结晶结构、热分解特征和断面形貌进行了表征,从而研究酯化淀粉/PLA混合比例对相客性的影响.并对复合材料的力学性能、吸水率以及流变性能进行了测试.实验结果表明,随着酯化淀粉/PLA比例减小,复合材料中两相的相互依赖性增大,拉伸强度和弯曲强度增大,断裂伸长率和吸水率降低.流变性能测试结果表明,随着酯化淀粉比例增多,复合材料的储能模量增大,复数黏度降低.
参考文献
| [1] | Shen, Z.;Zhou, Y.;Wang, J..Comparison of denitrification performance and microbial diversity using starch/polylactic acid blends and ethanol as electron donor for nitrate removal[J].Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies,2013:33-39. |
| [2] | Chanakorn Yokesahachart;Rangrong Yoksan .Effect of amphiphilic molecules on characteristics and tensile properties of thermoplastic starch and its blends with poly(lactic acid)[J].Carbohydrate Polymers: Scientific and Technological Aspects of Industrially Important Polysaccharides,2011(1):22-31. |
| [3] | Hua Wang;Xiuzhi Sun;Paul Seib .Strengthening Blends of Poly(lactic acid) and Starch with Methylenediphenyl Diisocyanate[J].Journal of Applied Polymer Science,2001(7):1761-1767. |
| [4] | Yingfeng Zuo;Jiyou Gu;Long Yang;Zhibang Qiao;Haiyan Tan;Yanhua Zhang.Synthesis and characterization of maleic anhydride esterified corn starch by the dry method[J].International Journal of Biological Macromolecules: Structure, Function and Interactions,2013:241-247. |
| [5] | 姚东明,何和智.聚乳酸与淀粉复合材料的研究进展[J].塑料,2011(01):52-53,58. |
| [6] | 杨龙,左迎峰,张彦华,谭海彦,顾继友.反应温度和时间对干法制备马来酸酐酯化淀粉性能的影响[J].功能材料,2013(15):2283-2286. |
| [7] | 李申,周晔,任天斌,任杰.聚乳酸/淀粉复合材料的制备及性能研究[J].塑料,2006(04):7-11. |
| [8] | Romani F.;Corrieri R.;Braga V.;Ciardelli F. .Monitoring the chemical crosslinking of propylene polymers through rheology[J].Polymer: The International Journal for the Science and Technology of Polymers,2002(4):1115-1131. |
| [9] | Wu G.;Song YH.;Zheng Q.;Du M.;Zhang PJ. .Dynamic rheological properties for HDPE/CB composite melts[J].Journal of Applied Polymer Science,2003(9):2160-2167. |
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%