Vinyl Chloride Polymerization

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

Vinyl chloride polymerization. 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. Sidiropoulou chemical engineering department and chemical process engineering research institute aristotle university of thessaloniki p o. Chemical and physical methods were used to observe irregular structures such as branching. Achilias and e.

Suspension polymerization affords particles with average diameters of 100 180 μm whereas emulsion. Due to the hazardous nature of vinyl chloride to human health there are no end products that use vinyl chloride in its monomer form. Suspension polymerization of vinyl chloride using one and two initiator systems. Natural evolution of hcl from vc occurred in the polymerization.

Suspension polymerization of vinyl chloride with mixed peroxides 387. When treated with certain catalysts vinyl chloride monomers undergo polymerization and form the larger compound known as polyvinyl chloride or pvc. The effect of stirring rate on particle size in the suspension polymerization of vinyl chloride 388. It is a carcinogenic gas that must be handled with special protective procedures.

Suspension and emulsion polymerization of vinyl chloride monomer using free radical initiators. Vinyl chloride liquid is fed to polymerization reactors where it is. Polymerization of vinyl chloride vc was studied. Suspension polymerization of vinyl chloride with a mixture of a suspending agent and a surfactant 385.

Kiparissides g. Vinyl chloride is primarily used to make polyvinyl chloride to manufacture plastics. Polyvinyl chloride pvc is very stable storable and nowhere near as acutely toxic as the vinyl chloride monomer vcm. Polymerization of vinyl chloride have been identified including elemen tary chemical reactions.

Pvc is used in the manufacture of numerous products including packaging films and water pipes. Nlesc rate data were also used to test the applicapility of the rodel. 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 is an organohalogen compound that has important industrial applications.

Dynamic simulation of industrial poly vinyl chloride batch suspension polymerization reactors c. Emulsion polymerization accounts for about 12 and bulk polymerization accounts for 8. About 80 of production involves suspension polymerization. Vinyl chloride is a chemical intermediate not a final product.

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. Physical phenomena of polyvinylchloride parti cle formation and reactant species distributions in phas s during poly merization. Polyvinyl chloride is produced by polymerization of the vinyl chloride monomer vcm as shown.