Polyvinyl Chloride Vinyl Chloride

Miller a teirstein as chuang m selikoff ij warshaw r.

Polyvinyl chloride vinyl chloride.

The recognition of an excess of a rare liver cancer hepatic angiosarcoma at facilities throughout the world. Pvc vinyl chloride is an organohalogen compound that has important industrial applications. This is a linear polymer. Prevalence of disease among vinyl chloride and polyvinyl chloride workers.

18 as shown in figure 7 6 vinyl chloride is a relatively simple compound. It s often used for weather stripping and sealing applications. Economical versatile polyvinyl chloride pvc or vinyl is used in a variety of applications in the building and construction health care electronics automobile and other sectors in products ranging from piping and siding blood bags and tubing to wire and cable insulation windshield system components and more. When treated with certain catalysts vinyl chloride monomers undergo polymerization and form the larger compound known as polyvinyl chloride or pvc.

Vinyl chloride is an alkene derivative containing a substituted chlorine atom instead of a hydrogen atom. Pvc is the world s third most widely produced synthetic plastic polymer after polyethylene and polypropylene about 40 million tons of pvc are produced each year. The mutagenicity of this liver carcinogen is dependent on metabolic activation by cyp450 and detoxification is mediated by meh. Polyvinyl chloride pvc is an important plastic resin for construction pipe and tubing siding and other uses.

In the production of pvc an addition polymerization takes place by arranging the monomers in head to tail fashion. About 13 billion kilograms are produced annually. What is vinyl chloride. Changes in pulmonary function in workers exposed to vinyl chloride and polyvinyl chloride.

Vinyl chloride is the starting material for the production of polyvinyl chloride used in the fabrication of products such as pvc pipe. Exposures to vinyl chloride monomer during the early years of production resulted in an important sentinel health event. Vinyl edge trim covers exposed edges of materials such as glass metal and wood to block out wind water and dust. Rigid sometimes abbreviated as rpvc and flexible.

Polyvinyl chloride denoted as pvc is a synthetic polymer produced by the monomer vinyl chloride. Vinyl chloride is used primarily to make polyvinyl chloride pvc. Pvc is used in the manufacture of numerous products including packaging films and water pipes. Vinyl also called polyvinyl chloride or pvc is a plastic that resists water absorption and withstands exposure to sunlight and ozone.

Lilis r anderson h nicholson wj daum s fischbein as selikoff ij. 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. Ann n y acad sci. Pvc comes in two basic forms.