A COMPARATIVE-STUDY OF THE THERMAL-STABILITY OF 3 DIFFERENT WOOLS

被引：0

作者：

RAO, DR ^{[1
]}

GUPTA, VB ^{[1
]}

机构：

[1] INDIAN INST TECHNOL,DEPT TEXT TECHNOL,NEW DELHI 110016,INDIA

来源：

JOURNAL OF MACROMOLECULAR SCIENCE-PHYSICS | 1992年 / B31卷 / 03期

关键词：

DIFFERENTIAL THERMAL ANALYSIS; DOUBLET ENDOTHERM; KERATIN FIBERS; THERMAL STABILITY; WOOL FIBERS;

D O I：

10.1080/00222349208215519

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 thermal characteristics of wool samples of three different origins were studied with the help of a differential thermal analyzer mainly by an analysis of the doublet endotherm at 220-260-degrees-C, which relates to thermal stability. Among the three wools studied, thermal stability was found to be the highest in Lincoln, followed by Chokla and Merino wools. Differences in the thermal stability of the three wools were related to structural differences, viz. ortho/para content, order in the crystallite phase, and proportion of bulky side groups in the matrix. The enhancement of the thermal stability shown by stretch-set samples was related to the improvement Of order in the structure when the sample was set at temperatures below the melting temperature.

引用

页码：319 / 327

页数：9

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