GB/T 44161-2024 in English
VALIDDisperse dyestuffs—Determination of thermal migration
- Issued on:2024-07-24
- Implemented on:2025-02-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$204.00
《GB/T 44161-2024分散染料 热迁移性的测定》由TC134（全国染料标准化技术委员会）归口，主管部门为中国石油和化学工业联合会。
Introduction
1. Background and significance of standard formulation
The formulation of GB/T 44161-2024 aims to standardize the thermal migration performance test of disperse dyes under high temperature conditions to ensure product quality and color fastness stability. This standard is jointly issued by the State Administration for Market Regulation and the National Standardization Administration and is applicable to textile, chemical and other related industries.
2. Comparative analysis of standard frameworks
| Standard dimensions | GB/T 44161-2024 | International standard reference | Differences in the old standard |
|---|---|---|---|
| Scope of application | Determination of thermal migration of disperse dyes | Covering a variety of dye types | Added a special test method for polyester fabrics |
| Test principle | Based on dry heat treatment method | High temperature and high pressure dyeing combined with interlining rating | Optimized absorbance determination method |
| Reagent requirements | NN-dimethylformamide (DMF) | Multiple solvents available | Use analytical grade reagents |
3. Implementation suggestions and technical points
Instrument configuration:Laboratory thermostats, spectrophotometers and other equipment must comply with the requirements of GB/T 2374-2017.
Operation points:The staining depth should be unified to GB/T 4841.1 or GB/T 4841.2 standards to ensure the comparability of test results.
Data processing:It is recommended to use professional software for absorbance calculation and migration evaluation to improve accuracy.
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