PROCESS FOR THE MANUFACTURE OF REFLECTING BODIES

A process for producing light-reflecting bodies is described. The wall of the light-reflecting body consists of a polyalkylene terephthalate and/or a copolyester thereof, containing in each case 10-40% by weight of a finely-divided filler, a light-reflecting metal layer being applied directly to at...

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Bibliographische Detailangaben
Hauptverfasser:	KAINMULLER, THOMAS, LEIDIG, KARL, BREITENFELLNER, FRANZ
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL BLASTING CHEMISTRY COMPOSITIONS BASED THEREON FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF GENERAL PROCESSES OF COMPOUNDING HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MECHANICAL ENGINEERING METALLURGY NON-PORTABLE LIGHTING DEVICES ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS VEHICLES IN GENERAL WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	A process for producing light-reflecting bodies is described. The wall of the light-reflecting body consists of a polyalkylene terephthalate and/or a copolyester thereof, containing in each case 10-40% by weight of a finely-divided filler, a light-reflecting metal layer being applied directly to at least one surface of the wall. According to the novel process, a polyester moulding compound containing: (a) 90-60% by weight of a polyalkylene terephthalate and/or copolyester thereof, or of a mixture of polyalkylene terephthalates, and (b) 10-40% by weight of a finely-divided filler is subjected before shaping, at elevated temperature but at a temperature below the melting point of the moulding compound, to a vacuum treatment.