采用熔融共混法制备了PLA/PBSA共混材料;采用DSC,TG,DMA和拉伸力学试验研究了该共混体系的热性能和力学行为;采用土壤悬浊拟环境降解实验法研究了共混材料的生物降解性;同时对该体系的生物降解机理及影响因素进行了初步探讨.结果表明,PLA/PBSA为非均相结晶/结晶高分子共混体系;PLA含量增加,有利于提高材料的模量和拉伸强度;增加PBSA的含量,可以提高PLA/PBSA共混体系的环境生物降解性.PLA/PBSA是力学性能和降解性能互补的生物降解材料.
参考文献
| [1] | Furukawa T;Sato H;Murakami R;Zhang JM;Noda I;Ochiai S;Ozaki Y .Comparison of miscibility and structure of poly (3-hydroxybutyrate-co-3-hydroxyhexanoate)/poly(L-lactic acid) blends with those of poly (3-hydroxybutyrate)/poly(L-lactic acid) blends studied by wide angle X-ray diffraction, differential scanning calo[J].Polymer: The International Journal for the Science and Technology of Polymers,2007(6):1749-1755. |
| [2] | He Y.;Masuda T.;Cao AM.;Yoshie N.;Inoue Y.;Asakawa N. .The miscibility and biodegradability of poly(3-hydroxybutyrate) blends with poly(butylene succinate-co-butylene adipate) and poly(butylene succinate-co-epsilon-caprolactone)[J].European Polymer Journal,2000(10):2221-2229. |
| [3] | Wang, SF;Song, CJ;Chen, GX;Guo, TY;Liu, J;Zhang, BH;Takeuchi, S .Characteristics and biodegradation properties of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)/organophilic montmorillonite (PHBV/OMMT) nanocomposite[J].Polymer Degradation and Stability,2005(1):69-76. |
| [4] | 赵剑豪,王晓青,曾军,杨光,石峰辉,严庆.聚丁二酸丁二醇酯及聚丁二酸/己二酸-丁二醇酯在微生物作用下的降解行为[J].高分子材料科学与工程,2006(02):137-140. |
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%