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The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the...
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Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
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Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric
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聚织品的老化和修改的洗工艺-环境影响

Ana Šaravanja1, Tanja Pušić1, Julija Volmajer Valh2

  • 1Faculty of Textile Technology, University of Zagreb, HR-10000 Zagreb, Croatia.

Polymers
|December 17, 2024
PubMed
概括

人工老化和洗会降解聚织物,将微塑料释放到废水中. 这项研究分析了织物变化和废水污染,强调了环境影响,并建议了优化洗方案以减轻污染.

科学领域:

  • 材料科学 材料科学 材料科学
  • 环境科学 环境科学
  • 织工程 织工程 织工程

背景情况:

  • 织品的特性随着老化和洗而变化.
  • 织品碎片在洗过程中释放出来,导致微塑料污染.

研究的目的:

  • 调查人工老化和洗对聚织物特性的影响.
  • 分析洗老旧的聚织物产生的废水的组成.
  • 了解聚织品退化的环境影响.

主要方法:

  • 在受控条件下,聚织物经历了人工老化.
  • 在老化之前和老化后,使用了经过修改的10个循环的洗过程.
  • 物理,结构,形态和废水性能使用诸如泽塔潜力和BET分析等技术进行了分析.

主要成果:

  • 衰老引起的"化",光氧化降解和纤维加厚.
  • 老化和洗都改变了拉伸强度和表面性能.
  • 废水分析发现了织品碎片和脱落的纤维,证实了织物脱碎.

结论:

  • 老化和洗显著影响聚织物特性和废水污染.
关键词:
人工老化的人工老化.破碎,是指破碎的过程.聚纤维面料织物 聚纤维面料洗过程中的洗过程.废水是废水,废水就是废水.

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  • 由于老化的聚织品降解和微塑料的释放,环境问题也出现了.
  • 未来的研究应该专注于优化洗条件 (温度,洗剂,协议),以尽量减少对环境的影响.