China Drying Network News The Ministry of Environmental Protection signed a cooperation agreement with the Shanxi Provincial Government to jointly advance the “preliminary pilot†of the environmental protection field in the Shanxi Province's comprehensive reform pilot zone for resource-based economies. According to the agreement, the Ministry of Environmental Protection will support Shanxi's major projects, including the development plans for all types of transition industrial parks and in line with national industrial policies, environmental protection policies, and circular economy requirements, and support Shanxi’s “first trialâ€. Support the development of paid use and pilot trading of emission rights, the development of the emissions trading market, and the role of the market mechanism in allocating emission rights. Support the construction of sewage and other environmental infrastructure, and promote Shanxi Province to further increase the prevention and control of water pollution in the river basin.
The role of the brightener is to convert the invisible ultraviolet radiation absorbed by the product into purple-blue fluorescent radiation, which complements the original yellow radiation to become white light, and improves the whiteness of the product under sunlight. Brighteners have been widely used in textiles, papermaking, washing powder, soap, rubber, plastics, pigments and paints.
Generally, brighteners are divided into two categories, one is water-soluble brighteners, and the other is water-insoluble brighteners. The former can be used as a brightener for paper, paint, washing powder and cotton fabrics. The latter can be used for whitening of chemical fibers and plastics.
It is often divided into:
Fluorescent brightener for detergents; Fluorescent brighteners for textiles; Fluorescent brighteners for papermaking; Fluorescent brighteners for plastics and synthetic materials; Fluorescent brighteners for other purposes.
This product is especially used for the molding and processing of various plastics and plastic products under high temperature. Because of its good heat resistance, light resistance and chlorine resistance, it is a brightener for polyester fibers. Polyester, cotton and other fiber blended fabrics The whitening effect is also particularly ideal, and can be used for the whitening of polyester stock solution.
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