2019 / 12 / 20

Zero Emissions of Harmful Chemicals Textile Industry Transformation

According to customs statistics, China's textile trade surplus with foreign countries for the whole of 2018 was US$6.393 billion, which shows that the textile industry plays an important role in Taiwan.


Taiwan has worked for many big international brands, but in recent years, big customers from companies such as NIKE, Adidas, and H.M. have responded to the Zero Emissions Zero Chemical Series, or ZDHC, with the goal of To enable the textile supply chain to achieve "zero emissions of hazardous chemicals". As a result, large international ready-to-wear brands will require foundry stoydplants to completely ban traditional solvents such as CFCs and perfluorocarbons.


In the past, ready-to-wear manufacturing used a large number of traditional solvents in sweating, waterproofing and other functional textile and synthetic leather and other production lines, so it is difficult to make it completely disappear from the production line. Take the footwear industry as an example, although as early as 2015 brands and Taiwan regulations will require manufacturers, not to use traditional solvents, shoes and rubber and other fields can really be done, but there are still some manufacturers because they can not meet the requirements, and choose to move out of Taiwan.


With waves of stringent environmental regulations, the market is slowly replacing traditional solvents with water-based polyamine (PU) materials. From the point of view of air pollution, in the traditional process, an average of 75 to 80 percent of the total amount of material is a traditional solvent, converted, 10,000 yards of synthetic leather about eight tons of solvent, while a pair of shoes will produce about 14 kg of air pollution, and still do not contain waste treatment after combustion of secondary air pollution damage. In the water contamination section, a T-shirt must use 2700 liters of waste water to completely clean the solvents produced in the process, both of which can be solved by water-based PU.


However, the market has the biggest doubt on water-based PU, is that its drying time is three times the traditional solvent, simply speaking, if clothes sent dry cleaning, drying time is short; However, the textile supply chain in 2020 to achieve the "zero emission of hazardous chemicals" target, followed by water-based PU due to the high cost of time, which will be the textile industry will have to face the next crisis and turnaround.