以聚对苯二甲酸丁二醇酯(PBT)和ε-己内酯(CL)为原料,通过PBT端羟基引发CL开环聚合,然后在高温、高真空条件下缩聚,制备了不同硬段含量的聚(对苯二甲酸丁二醇-co-ε-己内酯)共聚酯(PBT-CL).通过1H NMR、IR、DSC等对PBT-CL进行了表征.结果表明PBT-CL具有嵌段聚合物特性.随硬段含量升高,共聚酯熔点和结晶温度上升,共聚酯的密度、拉伸强度、弯曲强度逐渐增大.硬段序列长度随硬段含量增加而增加.
参考文献
| [1] | Toyo Boseki .Polyester block copolymer composition[P].JP,5031571,1985-12-5. |
| [2] | Toyo Boseki .Polyester block copolymer composition[P].EP,180970,1986-05-14. |
| [3] | Toyo Boseki .Continuous production of elastic polyesters[P].US,4680345,1987-07-14. |
| [4] | Daicel .Method for producing polyester block copolymers[P].US,20090186991,2009-7-23. |
| [5] | Daicel .Method of treating polyester polymer and polyester polymer reduced in low-boiling component content[P].US,20050075464,2005-04-07. |
| [6] | Daicel .The continuous manufacturing method of the polyester[P].JP,2003206340,2003-07-22. |
| [7] | Daicel .The manufacturing method of the polyester block copolymer[P].JP,04553455,2000-10-11. |
| [8] | Daicel .Process of continuously producing polyester polymer[P].US,7094864,2006-08-22. |
| [9] | Daicel .Polyester block copolymer composition and process for the preparation thereof[P].US,7196123,2007-03-27. |
| [10] | Toray .Elastic polyester tubular body[P].JP,5000465,1993-01-08. |
| [11] | Toray .Elastic polyester laminate[P].JP,5116263,1993-05-14. |
| [12] | Toray .Production of elastic polymer[P].JP,4275326,1992-9-30. |
| [13] | Toray .Process for continuous production of elastic polyesters[P].US,5225497,1993-07-06. |
| [14] | CHENG Xiao-min;LUO Xiao-lie et al.Proton NMR characterization of chain structure in butylene terephthalate-ε-caprolactone copolyesters[J].Journal of Polymer Science,1999,37:3770-3777. |
| [15] | 程晓敏,马德柱,罗筱烈.对苯二甲酸丁二酯-ε-己内酯多嵌段共聚物中硬链段的受限结晶[J].化学物理学报,2001(02):251-256. |
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%