Carboxyl terminated polyamide 12 chain extension by reactive extrusion using a dioxazoline coupling agent. Part II: Effects of extrusion conditions

被引：11

作者：

Chalamet, Y

Taha, M

Berzin, F

Vergnes, B

机构：

[1] Inst Natl Sci Appl, UMR CNRS 5627, Lab Mat Macromol, F-69621 Villeurbanne, France

[2] Ecole Mines Paris, UMR CNRS 7635, CEMEF, F-06904 Sophia Antipolis, France

来源：

POLYMER ENGINEERING AND SCIENCE | 2002年 / 42卷 / 12期

关键词：

D O I：

10.1002/pen.11118

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Condensation reactions between a carboxyl terminated polyamide 12 and a dioxazoline carried out by reactive extrusion have been characterized in the first part of this study. In the present paper, we focus on the influence of extrusion conditions on reaction progress. Influences of screw profile, screw speed, barrel temperature and feed rate have been established. The use of a flow computation software permitted confirmation of the importance of thermal and mechanical degradations in the condensation process.

引用

页码：2317 / 2327

页数：11

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