INHIBITING EFFECT OF PHOSPHORUS-COMPOUNDS ON MODEL TRANSESTERIFICATION AND DIRECT ESTERIFICATION REACTIONS CATALYZED BY TITANIUM TETRABUTYLATE .2.

被引：13

作者：

FORTUNATO, B

MUNARI, A

MANARESI, P

MONARI, P

机构：

[1] Dipartimento di Chimica Applicata e Scienza dei Materiali, Facoltà di Ingegneria, Università di Bologna, 40136 Bologna

来源：

POLYMER | 1994年 / 35卷 / 18期

关键词：

PHOSPHORUS COMPOUNDS; TRANSESTERIFICATION; DIRECT ESTERIFICATION;

D O I：

10.1016/0032-3861(94)90287-9

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The inhibiting effect of phosphorus compounds on the polymerization to poly(butylene terephthalate) catalysed by titanium tetrabutylate was investigated by making use of model molecules. The inhibition, observed on both transesterification and direct esterification reactions, appears only in the presence of acidic OH groups in the phosphorus compounds, which permit the formation of complexes with the Ti atoms of the catalyst. The occurrence of such complexes was confirmed by infra-red spectroscopy.

引用

页码：4006 / 4010

页数：5

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