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Process | Specifications
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In 19th century,
SM was first isolated from the distillation of Storax, a natural balsam.
Dow Chemical and BASF represented the first real breakthrough in SM
technology before World War II. During World War II, SM became important
in production of synthetic rubber and larger-scale plants were built.
Since that time, being shifted its main use from synthetic rubber
to plastics, the production of SM has grown enormously, reaching over
20 million tons globally per year so far.
In our plant, Benzene and Ethylene are alkylated
to Ethylbenzene (EB). EB is then dehydrated to SM. Toluene and Hydrogen
are co-produced and purified as by-products.
SM is one of the most important intermediates in petrochemical industry,
used mainly in the manufacturing of PS,
ABS resins, Styrene Butadiene Rubber
and Unsaturated Polyester.
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