出典:Wikipedia
出典:『Wikipedia』 (2011/07/20 13:26 UTC 版)
Polystyrene (
/ˌpɒliˈstaɪriːn/; IUPAC Poly(1-phenylethene-1,2-diyl)), abbreviated following ISO Standard PS, is an aromatic polymer made from the monomer styrene, a liquid hydrocarbon that is manufactured from petroleum by the chemical industry. Polystyrene is one of the most widely used plastics, the scale being several billion kilograms per year.
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| ・Carthago | |
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| ・Gaza |