Located in Zhengdong New District, Zhengzhou of Henan province, Henan Allgreen Chemical Co.,Ltd is comprehensive high-tech modern enterprises integrating professional R&D, production and sales. Strong technical force, with a long-term professional development team engaging in the fine chemicals, Henan Allgreen Chemical Co.,Ltd is mainly engaged in development and customized of organic electronic chemical materials, metal catalysts, phosphorus ligands, medical intermediate , chemical reagent and other fine chemical products.We have multifunctional production conditions and could offer high quality products from grams to kilograms and tons. In addition, we absorb new technology actively from colleges and also have established good relations of cooperation with Huazhong University of Science and Technology ,Henan Institute of Engineering and some other well-known domestic enterprises. Our products have been exported to Japan, South Korea, Europe, America and other countries and regions, well received by customers.
With sound management system, we've been authorized the Import&Export qualification by the government and also has passed the “ISO 9001-2008 Quality Management System” certification. We always stand on the quality of product as our life, develop in the direction of customers requirement and aim at creating greater value for customers.Innovation and honesty, we will make common development with the masses of customers at home and abroad hand in hand by our best service.
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4-Chlorophthalic anhydride Basic information |
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4-Chlorophthalic anhydride Chemical Properties |
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4-Chlorophthalic anhydride Usage And Synthesis |
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Usage |
4-chlorophthalic anhydride is an important monomer synthesis of polyimide and polyimide is considered to be the highest tolerance has been industrialized in the polymer and the shape and chemical stability of other materials can not like the outburst strength, wear resistance and extreme temperatures, excellent, has been widely used in aviation, aerospace, microelectronics and atom to the field of high technology. 4- of 4-chlorophthalic anhydride is mainly used in the synthesis of diphenyl ether dianhydride anhydride, two single and two double ether, thioether dianhydride anhydride two, two, and two amine polymerization ring was a series of polyimide engineering plastic with excellent performance. 4- of 4-chlorophthalic anhydride is not only the ideal raw material for the synthesis of various intermediates of polyimide, and can be used as a drug or pesticide. |
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4-Chlorophthalic anhydride Preparation Products And Raw materials |
China (Mainland)
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