A study of the structural changes during the dyeing process of Ingeo™ fibers of poly(lactic acid)

被引：17

作者：

Bilal, Mohammad B. ^{[1
]}

Viallier-Raynard, Pierre

Haidar, Bassel ^{[1
,2
]}

Colombe, Guillaume ^{[1
,2
]}

Lallam, Abdelaziz

机构：

[1] Univ Aleppo, Dept Text Engn, Fac Mech Enginnering, Aleppo, Syria

[2] CNRS, IS2M, F-75700 Paris, France

来源：

TEXTILE RESEARCH JOURNAL | 2011年 / 81卷 / 08期

关键词：

Cristallinity; degradation; disperse; dyeing; poly(lactic acid); DOUBLE-MELTING BEHAVIOR; MECHANICAL-PROPERTIES; PHYSICAL STRENGTH; COTTON BLEND; IN-VITRO; DISPERSE; POLYLACTIDE; MORPHOLOGY; SORPTION; CRYSTALLIZATION;

D O I：

10.1177/0040517510392447

中图分类号：

TB3 [工程材料学]; TS1 [纺织工业、染整工业];

学科分类号：

0805 ; 080502 ; 0821 ;

摘要：

This study has been carried out to investigate the structural changes of poly(lactic acid) fibers, which may occur during the dyeing process. Four disperse dyes with long alkyl chains were used to demonstrate the effects of dyeing temperature on fiber structure. Polymer structure was studied using DSC and SAXS-WAXS techniques. It was found that dye uptake increased at temperatures above 70 degrees C. The tested dyes did not show a distinct behavioral pattern. Poly(lactic acid) crystallinity increased from 53% to 60% after dyeing at 130 degrees C. Double melting behavior was observed, suggesting the presence of two crystalline forms. This was refuted by SAXS-WAXS results. Melting behavior was investigated and the nature of the crystals was found to be independent of the dyebath temperature.

引用

页码：838 / 846

页数：9

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