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Aufgrund wachsender Besorgnis über Plastikwerkstoffe und deren Beitrag zur Umweltverschmutzung wurde das Recycling von Polymeren zu einem Kernthema in Politik und Wirtschaft. Diese längst überfällige Publikation faßt in einem Band Material zusammen, das bislang nur in Form von Tagungsberichten verfügbar war. Der Schwerpunkt liegt auf Polymeren, deren Recycling bisher problematisch war, wie z.B. Autoreifen, Polyurethanschäume und Konstruktionsmaterialien. Detailliert werden die Fortschritte des Polymerrecycling besprochen - vom Sortierstadium bis hin zu einzelnen Recyclingprozessen und Anwendungsmöglichkeiten des Endprodukts: Ein Abriß aktuellster Recyclingtechniken. (8/98)
List of contents
Sorting and Separation Techniques.
Size Reduction of Recycled Plastics.
Melt Filtration of Contamination in Recycled Polymers.
Recycling of PET.
Recycling of Polyolefins.
Recycling of PVC.
Polystyrene Recycling.
Nylon Recycling.
Recycling of Engineering Thermoplastics.
Recycling of Polyurethanes.
Recycling of Polymers Composities.
Rubber Tyre Recycling.
Feedstock Recycling--Pyrolysis, Hydrogenation and Gasification.
Incineration of Plastic Waste with Energy Recovery.
Plastics Lumber Based on Recycled Polymers.
Index.
About the author
Dr. John Scheirs has worked extensively with poly (ethylene terephthalate) (PET) and related polyesters. His early work involved studying the UV stability of PET and poly(ethylene naphthalate) (PEN) in France and later he was involved with studying various industrial problems involving polyesters, such as photodegradation, annealing, crystallization behaviour, embrittlement, degradation by aminolysis, differential scanning calorimetry (DSC) analysis, environmental stress cracking, hydrolysis, nucleating agents, transesterification, injection moulding of recycled PET compounds, solid-state polycondensation, desiccant drying of PET and melt stabilization of PET. More recently in the period 1998 - 2000, he was the technical manager for Coca-Cola Amatil's world-first PET reforming plant which converts post-consumer PET bottles into high-grade, high IV palletized PET for direct reuse in new bottles and injection and sheet moulding applications. John Scheirs is now the principal consultant with ExcelPlas Polymer Technology where he specializes in polymer recycling chemistry, formulation, processing and testing.
Summary
Provides an overview of state--of--the--art recycling techniques together with current and potential applications.
