Synthesis of PET and Its Copolymer with Rare Earth Catalysts

被引：1
|
作者：
张天骄
武荣瑞
机构：
[1] Department of Material & Engineering
[2] China
[3] Beijing 100029
[4] Department of Material & Engineering Beijing Institute of Clothing Technology
来源：
JournalofRareEarths | 2003年 / 04期
关键词：
catalytic chemistry; polyester; catalyst; rare earths;
D O I：
暂无
中图分类号：
O643.3 [催化];
学科分类号：
081705 ;
摘要：
A new catalyst system was used in the synthesis of polyethylene terephthalate(PET) and its copolymers, which involved a Ln 3+ containing compound. The catalytic effects were studied, and it was found that the direct esterification reaction of terephthalate acid(TPA) with ethylene glycol(EG) can be accelerated by the addition of Ln 3+ containing compound, which acts as a promoter of the catalyst Sb 2O 3 in polycondensation of bis hydroxyethyl terephthalate(BHET).
引用
收藏
页码：436 / 439
页数：4
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