Restricted substances for textiles

IF 2.1 Q2 MATERIALS SCIENCE, TEXTILES
A. Patra, Siva Rama Kumar Pariti
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引用次数: 7

Abstract

Abstract Awareness of the harmful effects of chemical substances is gradually increasing and scientific investigations have time and again revealed the negative influences of the chemicals conventionally used. This has led to restricting the use of certain chemicals and dyes in textile wet treatments. Globally there has been an acceptance of this by branding agencies and retailers. Government organisations have also supported these restrictions, and curtailment in such chemical usage has now become the norm throughout the textile supply chain. This issue of Textile Progress reviews the chronological evolution of the restrictions leading to the concepts of RSL (Restricted Substances List) and MRSL (Manufacturing Restricted Substances List) now widely followed. The listing of harmful chemicals under Substances of Very High Concern (SVHC) is also discussed. The major chemicals or groups of chemicals facing restriction are dealt with in detail, covering their usage, hazards, sources, chemistry and possible substitutes (if any). Examples such as the alkyl phenols and alkyl phenol ethoxylates used for decades as detergents and wetting agents in preparatory processes, dyeing and printing were found to be potential hormone disruptors and very toxic to aquatic life, and substitutes have been put in place. Substances such as azo-amines, chlorophenols, formaldehyde, brominated flame retardants, heavy metals and fluorochemicals also have their share of adverse effects on human health and environment and need to be avoided. Studies have shown the presence of phthalates in routinely-used chemicals which can be traced back to the manufacturing process itself and other hazardous chemicals such as bisphenols, chloroparaffins, polycyclic aromatic hydrocarbons, quinoline, VOCs (Volatile Organic Compounds), biocides and UV absorbers have also figured in discussions. Comprehensive testing for the presence of the various restricted substances is essential but anomalies can arise.
纺织品限制物质
人们对化学物质有害作用的认识正在逐渐提高,科学研究一再揭示了常规使用的化学物质的负面影响。这导致在纺织品湿处理中限制使用某些化学品和染料。在全球范围内,品牌代理商和零售商已经接受了这一点。政府组织也支持这些限制,减少这类化学品的使用现在已成为整个纺织品供应链的规范。本期《纺织进展》回顾了限制的时间演变,导致了现在广泛遵循的RSL(限制物质清单)和MRSL(制造限制物质清单)的概念。并讨论了列入高度关注物质(SVHC)的有害化学物质清单。对面临限制的主要化学品或化学品组进行了详细的处理,包括其用途、危害、来源、化学成分和可能的替代品(如果有的话)。例如,几十年来,烷基酚和烷基酚聚氧乙烯酯被发现是潜在的激素干扰物,对水生生物有很大的毒性,因此已经找到了替代品。偶氮胺、氯酚、甲醛、溴化阻燃剂、重金属和含氟化学品等物质也对人类健康和环境产生不利影响,需要加以避免。研究表明,在日常使用的化学品中存在邻苯二甲酸盐,这些化学品可以追溯到制造过程本身,其他有害化学品,如双酚、氯石蜡、多环芳烃、喹啉、挥发性有机化合物、杀生剂和紫外线吸收剂也在讨论中。全面测试各种受限制物质的存在是必要的,但也可能出现异常情况。
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来源期刊
TEXTILE PROGRESS
TEXTILE PROGRESS MATERIALS SCIENCE, TEXTILES-
CiteScore
4.90
自引率
6.70%
发文量
1
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