Vinyl Chloride


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Related to Vinyl Chloride: polyvinyl chloride

vinyl chloride

[′vīn·əl ′klȯr‚īd]
(organic chemistry)
CH2:CHCl A flammable, explosive gas with an ethereal aroma; soluble in alcohol and ether, slightly soluble in water; boils at -14°C; an important monomer for polyvinyl chloride and its copolymers; used in organic synthesis and in adhesives. Also known as chloroethene; chloroethylene.

Vinyl Chloride

 

(CH2=CHC1), a colorless gas with a slight odor resembling that of chloroform; Tb = - 13.8° C; Tm = -153.8° C. Density at -15° C, 0.9730 g/cm3. It is poorly soluble in water but readily soluble in organic solvents. The explosive limit of vinyl chloride in air is 4-22 percent by volume. The double bond in vinyl chloride readily adds halogens, hydrogen halides, and so on:

Vinyl chloride polymerizes and copolymerizes with vinylidene chloride, vinyl acetate, and other substances. In industry it is obtained by vapor-phase (rarely liquid-phase) hydrochlorination of acetylene in the presence of HgCl2 on carbon or by dehydrochlorination of dichloroethane:

The resultant product contains not less than 99 percent vinyl chloride and does not polymerize spontaneously. Vinyl chloride is used extensively to make polyvinyl chloride and copolymers with other vinyl compounds; these are important materials that are used in the most diverse branches of industry.

References in periodicals archive ?
- Company capacity shares for key Vinyl Chloride Monomer (VCM) producers
Second, personal breathing zone measurements of responders' exposures to vinyl chloride were not collected, so it is impossible to correlate vinyl chloride exposure levels with symptoms.
ASC, an Indonesian subsidiary of AGC, is one of the largest manufacturers of chlor-alkali products in Southeast Asia, conducting integrated production from caustic soda and chlorine to vinyl chloride. The subsidiary currently accounts for more than 50% of IndonesiaAEs caustic soda market and about 50% of the country's PVC market.
He had also announced a plan to produce four lakh tonnes of vinyl chloride monomer (VCM).
Although some mixed plastic waste can be used as fuel in general, the waste containing certain chemicals such as vinyl chloride needs to be treated in a high-temperature incinerator to avoid dioxin emissions.
Production of the drainage pipes consume only one-third the energy required for conventional vinyl chloride pipes and their burning does not bring about any harmful gas like chlorine gas, the company said.
Established in 1985 and with offices in the U.S., China, Southeast Asia and South America, Harriman Chemsult operates four monthly information services covering global market movements and prices, including "Chlor-Alkali Report," "Vinyl Chloride Report," "Bleaching Chemicals Report" and "Paper Chemicals Report." In addition, Harriman Chemsuk issues periodic multi-client consulting reports on a variety of industry sectors, produces conferences and offers consulting services for the world's chemical companies.
Vinyl chloride is classified as a "known carcinogen" by the U.S.
After introducing the history of PVC and its commercial significance, the collection of papers includes such topics as vinyl chloride monomer, polymerization, stabilizers and lubricants, plasticizers, processing aids and impact modifiers, fillers, compounding processes, alloys, physical properties, fire performance, fabrication, product engineering design, health and safety, and the structure and dynamics of the industry.
(2005), "Vinyl Chloride: A Case Study of Data Suppression and Misrepresentation," is itself a case study in misrepresentation.
Styrindo Mono Indonesia produces styrene with an annual capacity of 300,000 tons and Asahimas produces vinyl chloride monomer with an annual capacity of 400,000 tons and PVC with a capacity of 285,000 tons.
Loeffler, Georgia Institute of Technology, for his project on aerobic and anaerobic transformation of cis-dichloroethene and vinyl chloride