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Styrene is an organic compound with the chemical formula C 6 H 5 CH=CH 2. Its structure consists of a vinyl group as substituent on benzene. Styrene is a colorless, oily liquid, although aged samples can appear yellowish. The compound evaporates easily and has a sweet smell, although high concentrations have a less pleasant odor.
Styrene monomer (SM) is an intermediate product. It is a colorless liquid that polymerizes easily. Polystyrene (PS) is a thermoplastic resin that is used in many applications, such as disposable packaging, electronic devices, large appliances (for example in refrigeration liners) and household goods.
[21] [better source needed] In 1942, Dow began its foreign expansion with the formation of Dow Chemical of Canada in Sarnia, Ontario, to produce styrene for use in styrene-butadiene synthetic rubber. [22] Also during the war, Dow and Corning began their joint venture, Dow Corning, to produce silicones for military and, later, civilian use.
The major uses of styrene include making plastics, synthetic rubbers and latex paints, according to this report posted at the National Library of Medicine web site. It's manufactured into a range ...
The styrene monomer (from which polystyrene is made) is a cancer suspect agent. [109] Styrene is "generally found in such low levels in consumer products that risks aren't substantial". [ 110 ] Polystyrene which is used for food contact may not contain more than 1% (0.5% for fatty foods) of styrene by weight. [ 111 ]
At 12:46 p.m., a call related to the chemical leak at a railyard west of Cincinnati was made to officials. The Central Railroad of Indiana was notified shortly after that a rail car on its ...
Trinseo's precursor Styron was formed in August 2009 when Dow Chemical Company combined several of its businesses--styrenics; polycarbonate and compounds & blends; Dow Automotive plastics; emulsion polymers (paper and carpet latex); and synthetic rubber — as part of a larger process of identifying and selling non-strategic assets.
Kraton is the trade name given to a number of high-performance elastomers manufactured by Kraton Polymers, and used as synthetic replacements for rubber.Kraton polymers offer many of the properties of natural rubber, such as flexibility, high traction, and sealing abilities, but with increased resistance to heat, weathering, and chemicals.