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GB/T 44161-2024 English PDF

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GB/T 44161-2024: Disperse dyestuffs - Determination of thermal migration
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Basic data

Standard ID GB/T 44161-2024 (GB/T44161-2024)
Description (Translated English) Disperse dyestuffs - Determination of thermal migration
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G55
Classification of International Standard 71.100.01; 87.060.10
Word Count Estimation 10,124
Date of Issue 2024-07-24
Date of Implementation 2025-02-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 44161-2024: Disperse dyestuffs - Determination of thermal migration

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Disperse dyestuffs - Determination of thermal migration Determination of thermal migration of disperse dyes ICS 71.100.01; 87.060.10 CCS G 55 National Standard of the People's Republic of China Released on 2024-07-24 2025-02-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the National Technical Committee on Standardization of Dyes (SAC/TC 134). This document was drafted by. Zhejiang Longsheng Group Co., Ltd., Zhejiang Wanfeng Chemical Co., Ltd., Shenyang Chemical Testing Technology (Nantong) Co., Ltd., Zhangjiagang Debao Chemical Co., Ltd., Xiamen Hanjunke Testing Technology Co., Ltd., Wanlong Chemical Co., Ltd. Co., Ltd., Shenyang Shenyang Institute of Chemical Technology Testing Technology Co., Ltd., and Shenyang Institute of Chemical Technology Co., Ltd. The main drafters of this document are. Ruan Weixiang, Yu Xingying, Dong Zhongsheng, Chen Jinhui, Huang Zhiqiang, Hu Haoli, He Xubin, Ren Xiaolan, Yang Zhenmei, Chen Jun, Chen Ruibin, Wang Zhuan, Wu Yuchun, and Wang Yong. Determination of thermal migration of disperse dyes

1 Scope

This document describes a method for the determination of the thermal mobility of disperse dyes. This document applies to the determination of thermal migration of disperse dyes.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document. GB/T 251 Textiles - Tests for colour fastness - Grey scale for assessing staining GB/T 2374-2017 Dyes - General conditions for dyeing determination GB/T 2394-2024 Disperse dyes - Determination of color and intensity GB/T 4841.1 Dyeing Standard Depth Color Chart 1/1 GB/T 4841.2 Standard depth color chart for dyeing. navy blue and black GB/T 5718-1997 Textiles-Tests for colour fastness-Colour fastness to dry heat (excluding hot pressing) GB/T 6687 Terminology of dyes GB/T 7568.2 Textiles - Tests for colour fastness - Standard adjacent fabrics - Part 2.Cotton and viscose fibres GB/T 25811 Standard bleached polyester fabric for dye testing

3 Terms and definitions

The terms and definitions defined in GB/T 6687 and the following apply to this document. 3.1 Thermal migration A property of colored fabrics in which the dye migrates from the inside of the fiber to the surface of the fiber during dry heat treatment.

4 Principle

Disperse dyes are used on polyester fabrics to dye a certain depth of color using high temperature and high pressure dyeing method, and then dry heat treatment at a certain temperature and time is performed. After treatment, the dispersion is evaluated by rating the adjacent fabric or by extracting the migrated dye on the colored sample with a solvent and measuring the absorbance of the extract solution. Migration of dyes.

5 Reagents and Materials

Reagents and materials should meet the following requirements. Specifications of polyester fabric for dyeing. in accordance with the requirements of GB/T 25811; a) Cotton standard adjacent fabric specifications. in accordance with the requirements of GB/T 7568.2; b) N,N﹘dimethylformamide (DMF), analytical grade. c)

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