C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/18 (2006.01) C08L 25/06 (2006.01)
Patent
CA 2230025
Thin, substantially clear, oriented polystyrene films containing post-consumer recycled polystyrene and possessing physical properties substantially similar to that of polystyrene films not containing post-consumer recycled polystyrene. Films of the present invention may comprise up to 100 percent post-consumer recycled polystyrene and are useful as window envelope films.
Films de polystyrène orientés, minces, sensiblement transparents, contenant du polystyrène recyclé après consommation, et possédant des propriétés physiques sensiblement similaires à celles des films de polystyrène ne contenant pas de polystyrène recyclé après consommation. Les films conformes à l'invention peuvent comporter jusqu'à 100 % de polystyrène recyclé et être utilisés pour les enveloppes à fenêtre.
Smart & Biggar
The Dow Chemical Company
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