Vinyl Chloride Polymerization

Vinyl chloride is a chlorinated hydrocarbon occurring as a colorless highly flammable gas with a mild sweet odor that may emit toxic fumes of carbon dioxide carbon monoxide hydrogen chloride and phosgene when heated to decomposition.

Vinyl chloride polymerization.

The effect of stirring rate on particle size in the suspension polymerization of vinyl chloride 388. Suspension polymerization of vinyl chloride with reduced. Chemical and physical methods were used to observe irregular structures such as branching. About 13 billion kilograms are produced annually.

Suspension polymerization of vinyl chloride with mixed peroxides 387. Emulsion polymerization accounts for about 12 and bulk polymerization accounts for 8. Polymerization of vinyl chloride have been identified including elemen tary chemical reactions. Box 472 540 06 thessaloniki greece.

Physical phenomena of polyvinylchloride parti cle formation and reactant species distributions in phas s during poly merization. Vc vc αd 1 vc β βd 2 and vc d 3 were used to study the reactivities of the hydrogen atoms in the polymerization and the β hydrogen atoms contributed to the chain transfer. Polymerization of vinyl chloride vc was studied. Dynamic simulation of industrial poly vinyl chloride batch suspension polymerization reactors c.

Natural evolution of hcl from vc occurred in the polymerization. Vinyl chloride is primarily used to make polyvinyl chloride to manufacture plastics. Vinyl chloride is an organochloride with the formula h 2 c chcl that is also called vinyl chloride monomer vcm or chloroethene this colorless compound is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride pvc. Suspension polymerization of vinyl chloride with a mixture of a suspending agent and a surfactant 385.

Nlesc rate data were also used to test the applicapility of the rodel. Pvc is used in the manufacture of numerous products including packaging films and water pipes. Kiparissides g. Polyvinyl chloride is produced by polymerization of the vinyl chloride monomer vcm as shown.

Suspension and emulsion polymerization of vinyl chloride monomer using free radical initiators. Vinyl chloride is an organohalogen compound that has important industrial applications. Suspension polymerization affords particles with average diameters of 100 180 μm whereas emulsion. A comprehensive reactor model for batch and semi batch proc esses has been developed on the basis of these.

Achilias and e. Parts i and i i also include a rather extensive review of pvc r tecjmology and the variolls models that have been publ ishcd for i1klss and suspension imlymerizatiqn of vinyl chloride. About 80 of production involves suspension polymerization. It is a carcinogenic gas that must be handled with special protective procedures.

Vinyl chloride ch 2 chcl is most often obtained by reacting ethylene with oxygen and hydrogen chloride over a copper catalyst.