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[Chemical Knowledge]：Properties and uses of polymer grade propylene-and other foreign products

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Polymer grade propylene-the nature and use
of external products in the field of chemical production raw materials
1. Introduction

propylene is an important chemical raw material, widely used in the production of various chemicals, such as plastics, fibers, rubber and so on. Among them, polymerization grade propylene-and other external products, as a special propylene product, have unique properties and uses. This article will detail the nature, production methods, quality standards and main uses of polymer-grade propylene-and other foreign products.

2. the nature of polymerization grade propylene-like external products

polymerization grade propylene-like external products is a colorless, flammable, toxic gas with a slight sweet smell. Its chemical properties are lively, prone to addition, oxidation, polymerization and other reactions. At normal temperature and pressure, propylene is a gas, but it can be liquefied to liquid at low temperature or under pressure. Polymerization grade propylene-and other foreign products of high purity, less impurity content, suitable for the production of high molecular polymer.

3. polymerization-grade propylene-and other foreign products production methods

polymerization-grade propylene-and other foreign products are mainly produced by petroleum cracking, propane dehydrogenation, coal olefins and other methods. Among them, petroleum cracking is the most important production method at present, and various low-carbon olefins including propylene can be obtained by cracking petroleum hydrocarbon feedstock at high temperature. Propane dehydrogenation and coal to olefins are also commonly used production methods, and propylene can be produced through catalytic dehydrogenation and coal chemical technology.

the quality standard
of 4. polymerization grade propylene-and other foreign products, the quality standard of
polymerization grade propylene-and other foreign products mainly includes purity, water content, sulfur content, oxygen content and other indicators. Among them, the purity is an important index to measure the quality of propylene, which is generally required to be above 99.5%. The water content, sulfur content, oxygen content and other indicators should also be controlled within a certain range to ensure the quality and stability of polymer-grade propylene-and other foreign products.

5. the use of polymerization grade propylene-and other external products

polymerization grade propylene-and other external products are widely used in the production of various high molecular polymers, such as polypropylene, acrylonitrile, acrylic acid and so on. Polypropylene is an important plastic material with excellent chemical resistance, heat resistance, electrical insulation and other properties. It is widely used in packaging, building materials, automobiles and other fields. Acrylonitrile is an important organic chemical raw material, which is used in the production of acrylic fiber, ABS resin and so on. Acrylic acid is widely used in the production of coatings, adhesives, fabric finishing agents.

6. conclusion

polymerization grade propylene-as an important chemical raw material, has unique properties and a wide range of uses. In the production process, it is necessary to strictly control its quality standards to ensure product quality and stability. With the continuous development of science and technology, the production process and use of polymer-grade propylene and other foreign products will continue to expand, injecting new vitality into the development of the chemical industry.

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