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Recycling and reuse of barrier polystyrene foam scrap Barrier polystyrene foam containing barrier polystyrene foam scrap
Recycling and reuse of barrier polystyrene foam scrap Barrier polystyrene foam containing barrier polystyrene foam scrap
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机译:阻隔性聚苯乙烯泡沫废料的回收和再利用含阻隔性聚苯乙烯泡沫废料的阻隔性聚苯乙烯泡沫
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摘要
A barrier foam tray contains recycled reclaim of barrier foam. The tray comprises a sheet of foamed polystyrene ( PS ) having laminated to it a flexible barrier film. The foamed polystyrene part can have admixed therein from 0.0001 % up to 30% by weight of the flexible barrier film. The barrier film contains a barrier polymer such as ethylene vinyl alcohol copolymer ( EVOH ). The tray is made by grinding laminate scrap and extruding reclaim therefrom with virgin polystyrene.
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