| 乙酸稀土盐催化缩聚合成聚(对苯二甲酸乙二酯-co-己二酸乙二酯) |
| |
| 引用本文： | 朱魁,郑李娜,徐凌云,朱蔚璞,祝桂香,沈之荃.乙酸稀土盐催化缩聚合成聚(对苯二甲酸乙二酯-co-己二酸乙二酯)[J].高分子学报,2009,0(8):834-837. |
| |
| 作者姓名： | 朱魁 郑李娜 徐凌云 朱蔚璞 祝桂香 沈之荃 |
| |
| 作者单位： | 1. 浙江大学高分子科学与工程学系,教育部功能与构造重点实验室,杭州,310027
2. 中国石油化工股份有限公司北京化工研究院,北京,100013 |
| |
| 摘 要： | 合成了一系列乙酸稀土盐(乙酸钇,乙酸镧,乙酸钕,乙酸镝),作为单组分催化剂,采用熔融缩聚法催化对苯二甲酸二甲酯、乙二醇和1,6-己二酸的共缩聚反应,制备了芳香族脂肪族共聚酯——聚(对苯二甲酸乙二酯-co-己二酸乙二酯)(PETA).通过1H-NMR,SEC,DSC及力学性能测试表征了聚合物的序列结构,分子量及分布,热性能及机械性能.结果表明,乙酸稀土盐单组分可催化共缩聚反应,效果优良,能够合成高分子量和较窄分子量分布的共聚酯,共聚酯具有较高的拉伸强度和断裂伸长率.
|
| 关 键 词： | 乙酸稀土盐 催化剂 缩合聚合 聚(对苯二甲酸乙二酯-co-己二酸乙二酯) |
| 收稿时间： | 2009-02-23 |
SYNTHESIS OF POLY(ETHYLENE TEREPHTHALATE-co-ETHYLENE ADIPATE) CATALYZED BY RARE EARTH ACETATES |
| |
| ZHU Kui,ZHENG Lina,XU Lingyun,ZHU Weipu,ZHU Guixiang,SHEN Zhiquan.SYNTHESIS OF POLY(ETHYLENE TEREPHTHALATE-co-ETHYLENE ADIPATE) CATALYZED BY RARE EARTH ACETATES[J].Acta Polymerica Sinica,2009,0(8):834-837. |
| |
| Authors: | ZHU Kui ZHENG Lina XU Lingyun ZHU Weipu ZHU Guixiang SHEN Zhiquan |
| |
| Institution: | Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education,Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027,SINOPEC Beijing Research Institute of Chemical Industry, Beijing 100013 |
| |
| Abstract: | Rare earth (Nd,Y,La,Dy) acetates have been synthesized and used as single component catalysts for the polycondensation of dimethyl terephthalate,adipic acid and ethylene glycol first preparing aromatic/aliphatic copolyester are poly(ethylene terephthalate-co-ethylene adipate) (PETA) with high molecular weights.The copolyesters catalyzed by different rare earth acetates were characterized by means of 1H-NMR,DSC,SEC and mechanical testing.The compositions of the coplyesters calculated by the peak integrals of... |
| |
| Keywords: | Rare earth acetate Catalyst Polycondensation Poly(ethylene terephthalate-co-ethylene adipate) |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《高分子学报》浏览原始摘要信息 |
| 点击此处可从《高分子学报》下载免费的PDF全文 |
|
