从左旋L-乳酸经高温催化反应得到低聚L- 乳酸,再经高温裂解减压蒸馏制得单体L-丙交酯(LLA),理论收率高达80%以上.LLA经纯化,再以辛酸亚锡为催化剂开环聚合得到聚L-丙交酯(聚L-乳酸,PLLA),其粘均分子量可达到40万.
参考文献
[1] | 黄发荣.聚合物材料再循环利用的研究与进展[J].高分子材料科学与工程,1997(02):132-138. |
[2] | Ething B;Gogolewski S;Pennings S .[J].Journal of Polymer,1982,23:1587-1593. |
[3] | Pennings J P;Dijkstra H;Pennings A J .[J].Polymer,1993,34:942-951. |
[4] | 李孝红;袁明龙 等.[J].高分子通报,1999,3(03):24-32. |
[5] | Vainiconpaa S;Pokkanen P;Tormala P .[J].Progress in Polymer Science,1989,14:679-716. |
[6] | 卓仁禧;尹超;吴颖楠 等.[J].应用化学,1997(14):102-104. |
[7] | Ajioka M;Enomoto K;Suzuki K et al.[J].Bulletin of the Chemical Society of Japan,1995,68:2125-2131. |
[8] | Gliding D K;Reed A M .[J].Polymer,1979,20:1459-1464. |
[9] | Kricheldorf HR.;Lee SR. .POLYLACTONES .32. HIGH-MOLECULAR-WEIGHT POLYLACTIDES BY RING-OPENING POLYMERIZATION WITH DIBUTYLMAGNESIUM OR BUTYLMAGNESIUM CHLORIDE[J].Polymer: The International Journal for the Science and Technology of Polymers,1995(15):2995-3003. |
[10] | Eguiburu JL.;Sanroman J.;Berridi MJF. .FUNCTIONALIZATION OF POLY(L-LACTIDE) MACROMONOMERS BY RING-OPENING POLYMERIZATION OF L-LACTIDE INITIATED WITH HYDROXYETHYL METHACRYLATE ALUMINIUM ALKOXIDES[J].Polymer: The International Journal for the Science and Technology of Polymers,1995(1):173-179. |
[11] | Hyon SH.;Ikada Y.;Jamshidi K. .SYNTHESIS OF POLYLACTIDES WITH DIFFERENT MOLECULAR WEIGHTS[J].Biomaterials,1997(22):1503-1508. |
[12] | Schwach G;Coudane J;Engel R;Vert M .More about the polymerization of lactides in the presence of stannous octoate[J].Journal of Polymer Science, Part A. Polymer Chemistry,1997(16):3431-3440. |
[13] | Nijenhuis A J;Grijpma D W et al.[J].Macromolecules,1992,25:6419-6424. |
[14] | Duta A;Penczek S .[J].MACROMOLECULES,1990,23:1636-1639. |
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%