chloroprene


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Related to chloroprene: Polychloroprene

chloroprene

(klōr`əprēn') or

2-chloro-1,3-butadiene,

colorless liquid organic compound used in the synthesis of neoprene and certain other rubbersrubber,
any solid substance that upon vulcanization becomes elastic; the term includes natural rubber (caoutchouc) and synthetic rubber. The term elastomer is sometimes used to designate synthetic rubber only and is sometimes extended to include caoutchouc as well.
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. The structure of the chloroprene molecule is very similar to that of isoprene; the molecule contains two double bonds and is readily polymerized.

Chloroprene

 

CH2=CH—CCl=CH2. Chloroprene, also called 2-chloro-butadiene-1,3, is a colorless liquid with a pungent odor. Chloroprene has a boiling point of 59.4°C and a density of 0.9585 g/cm3 (at 20°C). It is insoluble in water but is soluble in most organic solvents. It attaches halogens and hydrogen halides through double bonds (usually, in the 1,4 position), participates in the diene synthesis reaction, and very readily undergoes polymerization (consequently it is stabilized by the addition of pyrogallol or pyrocatechol).

Chloroprene is produced by the hydrochlorination of vinyl acetylene at 0°–20°C in the presence of cuprous chloride, Cu2Cl2, and ammonium chloride. It is used in the production of chloroprene rubber. Chloroprene is toxic, and its maximum permissible concentration in the air is 0.002 mg/liter.

chloroprene

[′klȯr·ə‚prēn]
(organic chemistry)
C4H5Cl A colorless liquid which polymerizes to chloroprene resin. Also known as chlorobutadiene.
References in periodicals archive ?
Table 31: US Exports of Chloroprene (Chlorobutadiene)
Denka has long been operating a chloroprene rubber production facility in its Omi Plant (Itoigawa, Niigata Prefecture, Japan).
Newly Developed Chloroprene Rubber Composites Based on Electron-modified Polytetrafluoroethylene Powder.
Between 1993 and 2002, the Commission found, these companies shared the market and fixed prices for chloroprene rubber, which is used for rubber components in a range of industrial products, as latex for the production of diving equipment, condoms and the inner soles of shoes, and as adhesive.
122) Development of less exothermic and heat resistant chloroprene rubber.
At present, SDK's chloroprene rubber price does not fully reflect the increases in raw material costs.
prepared natural rubber (NR)- montmorillonite (MMT) and chloroprene rubber (CR)-MMT clay nanocomposites by co-coagulating the rubber latex and the aqueous clay suspension (11).
Spatial and temporal trend evaluation of ambient concentrations of 1,3-butadiene and chloroprene in Texas.
In addition to European legislation, the project members say there is a threat from Asian countries which do not have to meet EU health and safety regulations and have a lower cost base and so are able to import over [euro]80 million of chloroprene rubber into the EC annually in a total market worth [euro]240 million.
of the Netherlands has introduced Securoc C10, an FR and smoke-suppressant filler based on hydrated calcium magnesium carbonate for use with chlorinated and plasticized polymers such as PVC and chloroprene rubbers used in cable compounds.
com/research/v47bwj/chinese_markets_fo) has announced the addition of the "Chinese Markets for Chloroprene Rubber (CR)" report to their offering.
5 Kw 110/120 V Dc Bogie Transom Mounted Type, Complete With Deep Groove V Belt Alternator Pully, Axle Pulley, Poly Chloroprene Rubber Pad ,Safety Chain Conforming To Rdso Specification No: Rdso/Pe/Spec/Tl/0054-2003 Rev-0 With Amdt.