Vinyl Chloride Polymerization

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.

Vinyl chloride polymerization.

Chemical and physical methods were used to observe irregular structures such as branching. The effect of stirring rate on particle size in the suspension polymerization of vinyl chloride 388. Kiparissides g. When treated with certain catalysts vinyl chloride monomers undergo polymerization and form the larger compound known as polyvinyl chloride or pvc.

It is a carcinogenic gas that must be handled with special protective procedures. Suspension polymerization of vinyl chloride with a mixture of a suspending agent and a surfactant 385. Sidiropoulou chemical engineering department and chemical process engineering research institute aristotle university of thessaloniki p o. Natural evolution of hcl from vc occurred in the polymerization.

Box 472 540 06 thessaloniki greece. Nlesc rate data were also used to test the applicapility of the rodel. 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. Dynamic simulation of industrial poly vinyl chloride batch suspension polymerization reactors c.

Suspension and emulsion polymerization of vinyl chloride monomer using free radical initiators. Achilias and e. Suspension polymerization of vinyl chloride with mixed peroxides 387. Pvc is used in the manufacture of numerous products including packaging films and water pipes.

Suspension polymerization of vinyl chloride using one and two initiator systems. Emulsion polymerization accounts for about 12 and bulk polymerization accounts for 8. Suspension polymerization of vinyl chloride with reduced. 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.

Physical phenomena of polyvinylchloride parti cle formation and reactant species distributions in phas s during poly merization. Polymerization of vinyl chloride have been identified including elemen tary chemical reactions. About 80 of production involves suspension polymerization. Polyvinyl chloride is produced by polymerization of the vinyl chloride monomer vcm as shown.

Vinyl chloride ch 2 chcl is most often obtained by reacting ethylene with oxygen and hydrogen chloride over a copper catalyst. Polymerization of vinyl chloride vc was studied. 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.

Vinyl chloride is an organohalogen compound that has important industrial applications.