Water-repellent, oil-repellent, easy to remove and finish</p
不久前市场关注的Teflon不粘锅有毒事件，其元凶是全氟辛酸铵(PFOA)Per-fluorooctane Ammonium C7F15C00-NH4+)，使人们联想到拒水、拒油整理剂也有全氟辛基组分。由于八碳的氟碳化合物是难生物降解的有机化合物，对人体健康和环境危害严重。欧盟于2006年12月27日明令禁用PFOS(全氟辛酸磺酸盐，Per-fluorooctane Sulfonate，C8Fl7SO3-K+)。其实，2002年左右美国国家环境保护署(EPA)从野生动物和人的血液中检测出PEOA，并于2003年3月公布了有关PFOA、PFOS安全质量的预备危险性报告。2006年1月25日要求各个氟树脂、含氟拒水、拒油整理剂厂商参加减少PFOA、PFOS和它们类缘物质的排放以及减少产品中PFOA、PFOS含量的计划。要求各个生产厂商到2010年削减到2000年水平的5%，到2015年不再生产和使用PFOA和PFOS。
含氟拒水拒油整理剂主要用于生产拒水、拒油和防污(三防)整理纺织品，以及部分易去污整理纺织品� �这类整理织物用于制作高端的妇女和男士的外衣，如风衣、休闲服、防护性工作服，以及高级餐布和轻型篷帐等� �我国年耗含氟整理剂没有完整统计数据，有关专家匡计约为1.1万吨左右，其中95%以上是进口的� �由此可生产拒水拒油整理织物约达lO亿m2� �左右� Some of them are made into clothing and exported to the European and American markets. These products were sampled and tested according to the quality standards required by customers and the main functional indicators. The average failure rate in 2006 was 6.86% (including 24,630 times waterproof, 24,370 times water-repellent, and 8,230 times oil-repellent). times and anti-contamination 9340 times), which basically reflects the overall level of water-repellent, stain-repellent and easy-to-decontaminate finishing products produced in my country. �</p
Some fluorine-containing finishing agent manufacturers have issued statements. For example, Huntsman Textile Chemicals’ products have reached the task of reducing PFOA three years ahead of schedule. Asahi Glass has launched Asahiguard AG-E61 that meets the EU limit requirements. Clariant announced on June 12, 2006 ~ Launched Nuva N, a new product with PFOA content below the limit, at the Techtextil and Avantex exhibitions held in Germany on the 14th �</p
As for the water-repellent, oil-repellent and easy-to-decontaminate finishing after 2015, it depends on the research on the replacement of low-carbon (C4~C6) fluorocarbon compounds, as well as the enlightenment of the lotus leaf effect and the combination with dendrimers (Dentrimer) or Research progress on the effects of other nanomaterials and other composites �</p
It is worth noting: According to some literature reports, PFOS pollution is widespread in my country’s water environment. The surface water pollution in Shanghai is more serious than that in foreign cities, while the pollution of Huangpu River water (PFOA 1584.83ng/L, PFOS 20.43ng/L) is much higher. higher than Yangtze River water
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