以Sn(OCt)2为催化剂,水溶性的羟丙基甲壳素作主链,通过丙交酯的熔融开环聚合,在其上接枝了聚乳酸支链.利用红外光谱、核磁共振谱对其结构进行了表征.在羟丙基甲壳素与丙交酯的比例分别为5:1,8:1,10:1条件下,反应都能顺利进行.聚乳酸的接枝长度随原料中丙交酯比例增大而增大.1H-NMR谱的结果表明,聚乳酸支链长度最长为5左右.
参考文献
| [1] | Arminreifenach;Thomas Kissel .[J].POLYMER,1998,39(14):3261. |
| [2] | YungKweonChoi;You Han Bae;Sung Wan Kim .[J].Macromolecules,1998,31:8766. |
| [3] | YouXinLi;Jorg Nothnagel;Thomas Kissel .[J].Polymer,1997,38(25):6197. |
| [4] | IoannisArvanitoyamis;Atsuyoshi Nakayama;Norioki Kawasaki et al.[J].Polymer,1995,36(11):2271. |
| [5] | SonjaSalman;Samvel M Hudson .[J].Journal of Macromolecular Science:Reviews in Macromolecular Chemistry and Physics,1997,C37(02):199. |
| [6] | TakanoriSannan;Keisuke Kurita;Katsuyuki Orgura et al.[J].Polymer,1978,19:458. |
| [7] | 王远亮;赵建华 .[J].重庆大学学报(自然科学版),1996,19:112. |
| [8] | 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. |
| [9] | Tolaimate A.;Desbrieres J. .On the influence of deacetylation process on the physicochemical characteristics of chitosan from squid chitin[J].Polymer: The International Journal for the Science and Technology of Polymers,2000(7):2463-2469. |
| [10] | WoodWillisA;Kellogy Scott T.Methods in Enzymology Volume 161,Biomass Part B Lignin, Pectin, and Chitin[M].Academic Press Inc,1988:435. |
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%