Physical Modification of Lyocell® and Modal® Fabrics and its Effect on Fabric Dyeability - Egyptian Knowledge Bank

1267

Physical Modification of Lyocell® and Modal® Fabrics and its Effect on Fabric Dyeability

Article

Last updated: 01 Jan 2025

Subjects

Abstract

THE EFFECT of some swelling agents; Viz. alkali metal hydroxides, alkaline earth metal salt and heavy metal salt, on the dyeability of lyocell and modal fabrics with reactive and direct dyes was monitored. The dyeing characteristics; namely colour strength, dyeing isotherm, diffusion coefficient, dyeing rate constant and half dyeing time of the dyed fabrics were assessed. The colour strength of the dyed samples increased in the order ZnCl 2 > MgCl2> NaOH > KOH > untreated. The fastness properties of the dyed fabrics were investigated. X-ray diffraction patterns of both untreated as well as treated fabrics were used to assign the change in the fine structure of the swollen lyocell and modal fibres relative to their respective untreated ones. The water retention capacity of lyocell and modal fabrics was calculated to deduce the degree of crystallinty of treated as well as untreated lyocell and modal fabrics.

DOI

10.21608/ejchem.2010.1267

Keywords

Lyocell, Modal, swelling, dyeing, Reactive, Direct and X-ray

Volume

Article Issue

Related Issue

293

Issue Date

2010-12-01

Receive Date

2010-08-05

Publish Date

2010-12-31

Page Start

847

Page End

869

Print ISSN

0449-2285

Online ISSN

2357-0245

Article File

EJCHEM_Volume 53_Issue 6_Pages 847-869.pdf

PDF . 879.4kB

Link

https://ejchem.journals.ekb.eg/article_1267.html

Detail API

https://ejchem.journals.ekb.eg/service?article_code=1267

Order

Type Code

292

Publication Type

Journal

Publication Title

Egyptian Journal of Chemistry

Publication Link

https://ejchem.journals.ekb.eg/

MainTitle