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[Chemical Knowledge]：Properties and Uses of Vinyl Chloride

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Vinyl chloride is an important organic chemical raw material, widely used in the production of polyvinyl chloride (PVC) and other plastic products. The following is a detailed description of the properties and uses of vinyl chloride.

1. the nature of vinyl chloride

vinyl chloride is a colorless, flammable gas with a pungent odor. Its chemical properties are very lively, prone to addition, substitution, polymerization and other reactions. The melting point of vinyl chloride is minus 159.7 ℃, the boiling point is minus 13.4 ℃, the density is larger than air, slightly soluble in water, and easily soluble in organic solvents.

vinyl chloride has high toxicity, and long-term exposure or inhalation of vinyl chloride gas may cause diseases of the human nervous system, digestive system, and respiratory system. Therefore, it is necessary to strictly control the concentration and exposure time of vinyl chloride during production and use to ensure production safety and personnel health.

2. the use of vinyl chloride

1. production of polyvinyl chloride (PVC)

of vinyl chloride is the main use is used to produce polyvinyl chloride (PVC). PVC is a widely used plastic material with excellent chemical resistance, electrical insulation, flame retardancy, strength and hardness, and is widely used in construction, household, electrical appliances, pipes, packaging and other fields.

2. Production of vinyl chloride homopolymers and copolymers

vinyl chloride can be homopolymerized or copolymerized with other monomers to produce various vinyl chloride homopolymers and copolymers, such as vinyl chloride-vinyl acetate copolymers, vinyl chloride-propylene copolymers, etc. These polymers have different properties and uses as plastics, rubbers, coatings, adhesives, etc.

3. Production of vinyl chloride derivatives

vinyl chloride can be produced by addition, substitution and other reactions to produce a series of vinyl chloride derivatives, such as chloroethane, chloroethanol, vinyl chloride-ethyl acetate and so on. These derivatives have a wide range of applications, such as solvents, refrigerants, and pharmaceutical intermediates.

In short, vinyl chloride, as an important organic chemical raw material, has a wide range of applications in the field of chemical production raw materials.

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