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Styrofoam is a genericized trademarked brand of closed-cell extruded polystyrene foam (XPS), manufactured to provide continuous building insulation board used in walls, roofs, and foundations as thermal insulation and as a water barrier. This material is light blue in color and is owned and manufactured by DuPont. DuPont also has produced a ...
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.
Acrylonitrile butadiene styrene (ABS) is a thermoplastic resin, used primarily in colored products that need to be heat and impact-resistant, such as vacuum cleaners or power tools. It is also commonly found in vehicles, mobile phone housings and recreational goods.
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 ...
Sarnia, Ontario was Dow's first manufacturing site in Canada, located in the Chemical Valley area alongside other petrochemical companies. [56] In 1942, the Canadian government invited Dow to build a plant there to produce styrene (an essential raw material used to make synthetic rubber for World War II). Dow then built a polystyrene plant in 1947.
The company produces styrene butadiene latex, which is applied as a coating on coated paper. [ 42 ] The company produces functionalized solution styrene butadiene rubber (SSBR) for use in high performance tires, and opened a new 50,000 metric ton production unit for production of SSBR in Schkopau, Germany in late 2012. [ 43 ]
Styrene-butadiene rubber (SBR) is produced like PS-I by graft copolymerization, but with a lower styrene content. Styrene-butadiene rubber thus consists of a rubber matrix with a polystyrene phase dispersed therein. [65] Unlike PS-I and SBC, it is not a thermoplastic, but an elastomer. Within the rubber phase, the polystyrene phase is assembled ...
In 1937, isocyanate-based materials were first used to make foam rubber. After World War II, styrene-butadiene rubber replaced many natural types of foam. Foam rubber has been used commercially for a wide range of applications since the 1940s.
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