Abstract:
The family of styrene resins generally breaks down
into polymer styrene and copolymers AS and ABS.
All these are thermoplastic resins manufactured with
styrene, one of the petrochemicals, as main feedstock.
Such styrene resins were initially discovered in
1836 but was not until 1925 that the commercial production
was started. With the development of injection
molding and other processing machines. the
styrene resins are now one of the most widely used
plastic raw materials together with polyvinylchloride,
polyethylene and polypropylene.