Why do customers require environmentally friendly and low-carbon three-proof finishing agents?

Recently, a friend who makes fabrics said that foreign customers have specified that they need environmentally friendly water-repellent agents with a PFHS structure. The author specifically checked some information!

The impact of the fluorine compounds contained in the three-proof finishing agent on the ecological environment has long been concerned by society. It has caused the hole in the ozone layer and has continued to expand, causing countries to decisively ban it. .

Since the 21st century, the U.S. Environmental Protection Agency has been based on environmental governance and human health considerations. The production and use of perfluorooctane sulfonate compound C8 has been suspended. Subsequently, various countries made clear statements in view of the toxicity and ecological nature of PFOS, which represents C8 three-proof finishing agent, and the serious impact on the environment, ecology and biology. This also dealt a fatal blow to the fluorine-containing finishing three-proof agent using C8 as the main raw material. European Parliament, directive on the sale and use of PFOS on December 27, 2006, and reiterated the limit regulations on PFOS on October 25, 2006, and on December 27, 2007, PFOA, C8 and their salts on June 27, 2008, Suspected to have similar risks as PFOS. Therefore, corresponding bans have also been introduced.

Faced with the C8 controversy, Asahi Glass introduced the less toxic C6 as raw material (PFHS) and developed the AG-E061 series of sixth-generation products. At the same time, the newly developed C6 environmentally friendly three-proof finishing agent products include: NANO-TEX nano three-proof, Clariant three-proof, Rudolf three-proof, DuPont three-proof, Daikin three-proof and other well-known companies. This new environmentally friendly three-proof finishing agent product is being fully introduced to the market.

Under the new environmental protection and ecological requirements, it is worth mentioning that 3M has launched Scotchgard 3M three-proof finishing agent product PM-930 (contamination and easy decontamination function) developed using perfluorobutane sulfonate PFBS (C4) as raw material. ) PM3630 (super water and oil repellent function). The fluorocarbon chain of PFBS is shorter, has no obvious persistence and bioaccumulation, and can be excreted from the body with human metabolism in a short period of time, and its excretion products are non-toxic.

In the future, under the requirements of the ecological environment, three-proof finishing agents must continue to make progress and progress in the direction of environmental protection.

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