polystyrene

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polystyrene

The Columbia Encyclopedia, Sixth Edition | 2008 | The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press. (Hide copyright information) Copyright

polystyrene , widely used plastic ; it is a polymer of styrene. Polystyrene is a colorless, transparent thermoplastic that softens slightly above 100°C (212°F) and becomes a viscous liquid at around 185°C (365°F). It is resistant to acids, alkalies, oils, and alcohols. It is produced either as a solid or as a foamed plastic marketed under the trade name Styrofoam. Its many uses include electrical and thermal insulation, translucent window panels, storage-battery cases, and toilet articles.

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polystyrene

World Encyclopedia | 2005 | © World Encyclopedia 2005, originally published by Oxford University Press 2005. (Hide copyright information) Copyright

polystyrene Synthetic, organic polymer, composed of long chains of the aromatic compound styrene. It is a strong thermoplastic resin, acid- and alkali-resistant, non-absorbent and an excellent electrical insulator.
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polystyrene

The Oxford Pocket Dictionary of Current English | 2009 | © The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information) Copyright

pol·y·sty·rene / ˌpäliˈstīrēn/ • n. a synthetic resin that is a polymer of styrene, used chiefly as lightweight rigid foams and films.

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