Plastics 4
Plastics 4 : Large group of organic, synthetic or processed materials used for coating; or that are molded, cast, or extruded and used for making structural items. Acetate Butyrate: Produced by reacting cellulose with acetic and butyric anhydride. Epoxy: Produced by reaction between epichlorohydrin and biphenol H to A. Phenolic: Produced by reacting formaldehyde and phenol. Polyester: Produced from polybasic alcohols and polybasic acids. Polyethylene: Composed of polymers of ethylene. Polyurethane: Produced from propionadlehyde, trimethylolpropane, propionic acid, and ammonia. Syrenes: Polystyrene is produced by polymerizing styrene. A butadiene-styrene copolymer is formed by reacting butadiene and styrene. Vinyl: Polyvinyl chloride (PVC) is produced by the addition-type polymerization of vinyl chloride. (COGWE, SSWID)
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