Polyvinyl Chloride Vinyl Chloride

Changes in pulmonary function in workers exposed to vinyl chloride and polyvinyl chloride.

Polyvinyl chloride vinyl chloride.

Miller a teirstein as chuang m selikoff ij warshaw r. Pvc is used to make a variety of plastic products including pipes wire and cable coatings and packaging materials. 18 as shown in figure 7 6 vinyl chloride is a relatively simple compound. Vinyl edge trim covers exposed edges of materials such as glass metal and wood to block out wind water and dust.

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. The mutagenicity of this liver carcinogen is dependent on metabolic activation by cyp450 and detoxification is mediated by meh. Rigid sometimes abbreviated as rpvc and flexible. Prevalence of disease among vinyl chloride and polyvinyl chloride workers.

Vinyl chloride is a colorless gas that burns easily. The recognition of an excess of a rare liver cancer hepatic angiosarcoma at facilities throughout the world. It s often used for weather stripping and sealing applications. 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.

In the production of pvc an addition polymerization takes place by arranging the monomers in head to tail fashion. Lilis r anderson h nicholson wj daum s fischbein as selikoff ij. About 13 billion kilograms are produced annually. Polyvinyl chloride pvc is an important plastic resin for construction pipe and tubing siding and other uses.

Vinyl chloride is used primarily to make polyvinyl chloride pvc. Pvc vinyl chloride is an organohalogen compound that has important industrial applications. Exposures to vinyl chloride monomer during the early years of production resulted in an important sentinel health event. It does not occur naturally and must be produced industrially for its commercial uses.

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. This is a linear polymer. Polyvinyl chloride denoted as pvc is a synthetic polymer produced by the monomer vinyl chloride. Pvc comes in two basic forms.

What is vinyl chloride. Vinyl chloride is the starting material for the production of polyvinyl chloride used in the fabrication of products such as pvc pipe. Ann n y acad sci. Pvc is used in the manufacture of numerous products including packaging films and water pipes.