POLYAMIDE POWDER FOR SELECTIVE SINTERING METHODS

PROBLEM TO BE SOLVED: To provide a polyamide powder for selective absorbing sintering (SAS) or selective inhibition sintering (SIS).SOLUTION: The polyamide powder has a solution viscosity to ISO 307 of 1.8 to 2, and an increase in the solution viscosity of 0% to 25%, preferably 5% to 15%, when the p...

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Hauptverfasser:	GREBE MAIK, SYLVIA MONSHEIMER, KUETING BEATRICE, DIEKMANN WOLFGANG, BAUMANN FRANZ-ERICH DR
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polyamide powder for selective absorbing sintering (SAS) or selective inhibition sintering (SIS).SOLUTION: The polyamide powder has a solution viscosity to ISO 307 of 1.8 to 2, and an increase in the solution viscosity of 0% to 25%, preferably 5% to 15%, when the powder is subjected to a temperature 20°C below its melting temperature under air for 20 h.SELECTED DRAWING: None 【課題】選択的吸収焼結（ＳＡＳ）または選択的抑制焼結（ＳＩＳ）用のポリアミド粉末。【解決手段】該ポリアミド粉末は、１．８〜２のISO 307による溶液粘度と、該粉末が該空気中で２０ｈ、その溶融温度を２０℃下回る温度に暴露される際に０％〜２５％、好ましくは５％〜１５％の溶液粘度の増加とを有する。【選択図】なし