Polyamide Powder with Long-lasting, Consistently Good Flowability

A composition containing (wt.%) a polymer selected from polyamide, polyamide derivatives, or mixtures of these (88-99.99), flow aid (0.1-25), in which, the drying loss of flow aid as determined in accordance with ISO 787/2 after 5 days conditioning at atmospheric relative humidity of 95% is less tha...

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Bibliographische Detailangaben
Hauptverfasser:	JOACHIM MUEGGE, HOLGER RENNERS, FRANZ-ERICH BAUMANN, MAIK GREBE, DIRK HEINRICH, SYLVIA MONSHEIMER, JOHANNES CHIOVARO, HEINZ SCHOLTEN, THOMAS SCHIFFER, WOLFGANG CHRISTOPH
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HYGIENE INKS MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	A composition containing (wt.%) a polymer selected from polyamide, polyamide derivatives, or mixtures of these (88-99.99), flow aid (0.1-25), in which, the drying loss of flow aid as determined in accordance with ISO 787/2 after 5 days conditioning at atmospheric relative humidity of 95% is less than 1% is new. Independent claims are also included for: (1) a process for coating a shaped part with the composition; (2) a process for preparation of test bodies in which a test body obtained from the composition is prepared by a laser sinter process.