CHITOSAN IN LEATHER PRODUCTION .4. THE ENHANCEMENT OF UPTAKE OF ANIONIC DYES ON HEAVILY RETANNED LEATHER

被引：0

作者：

BURKINSHAW, SM ^{[1
]}

KARIM, MF ^{[1
]}

机构：

[1] COLL LEATHER TECHNOL, DHAKA 1209, BANGLADESH

来源：

JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS AND CHEMISTS | 1992年 / 76卷 / 04期

关键词：

D O I：

暂无

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：

The extent of uptake of four non-metallised acid dyes onto heavily retanned chrome grain leather was enhanced by means of pretreatment with chitosan formate; pretreatment also enhanced the fullness and handle of the dyed substrates. Optical microscopic evidence suggests that the polyaminosaccharide may be deposited mainly at the surface of the substrate and that enhanced dye uptake occurs predominantly onto this surface layer of chitosan. The extent of intensification of shade of C.I. Acid Brown 75 obtained by pretreatment with the polymer was similar to that secured using three typical, commercial cationic agents.

引用

页码：132 / 136

页数：5

共 46 条

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