STUDY OF POLYCONDENSATION OF POLYETHYLENE TEREPHTHALATE WITH PARA-ACETOXYBENZOIC ACID

被引：0

作者：

YULCHIBAEV, BA ^{[1
]}

ARTYKOVA, ZB ^{[1
]}

URINOV, EU ^{[1
]}

ASHUROV, NR ^{[1
]}

STRELETS, BK ^{[1
]}

KULICHIKHIN, VG ^{[1
]}

机构：

[1] AV TOPCHIEV PETROCHEM SYNTH INST,MOSCOW,USSR

来源：

VYSOKOMOLEKULYARNYE SOEDINENIYA SERIYA B | 1992年 / 34卷 / 05期

关键词：

D O I：

暂无

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polycondensation of polyethylene-terephthalate with p-acetoxybenzoic acid was studied by the methods of viscosimetry, PMR and GPC to consider parameters of copolyester synthesis and their optimization. The presence of competing reactions of acidolysis and condensation was revealed, ways of their regulation were determined. The influence of temperature, nature and catalyst concentration on the synthesis course was analyzed. It is ascertained that increase in the synthesis temperature and use of zinc acetate as the catalyst promote formation of statistical copolyester with a high MW. The results obtained permit selecting optimal conditions of polycondensation, i.e. preparing more homogeneous polymer by means of acidolysis and condensation competing reactions regulation.

引用

页码：23 / 29

页数：7

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