PROCESS FOR DENSIFICATION OF POLYARYLENE ETHER KETONE POWDERS

• Main Authors: DECRAEMER NADINE, PASCAL JEROME, HUZE DENIS, BRULE BENOIT
• Format: Patent
• Language: English; Korean
• Published: 07.07.2017
• Subjects: 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; CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MAKING GRANULES OR PREFORMS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

폴리(아릴렌 에테르 케톤) (PAEK) 분말 또는 폴리(아릴렌 에테르 케톤) (PAEK) 분말의 혼합물의 고밀화 방법으로서, 하나 이상의 블레이드를 포함하는 회전식 교반기가 구비되어 있는 혼합기에서, 30 분 내지 120 분, 바람직하게는 30 내지 60 분의 시간 동안, 30 m/s 내지 70 m/s, 바람직하게는 40 내지 50 m/s 의 블레이드-팁 속도에서, 분말 또는 분말의 혼합물을 혼합하는 것으로 구성되는 것을 특징으로 하는 고밀화 방법. Process for densification of a poly(arylene ether ketone) (PAEK) powder or of a mixture of poly(arylene ether ketone) (PAEK) powders, the process being mixing the powder or the mixture of powders, in a mixer equipped with a rotary stirrer including at least one blade, for a period of between 30 minutes and 120 minutes, preferably of between 30 and 60 minutes, at a blade-tip speed of between 30 m/s and 70 m/s, preferably of between 40 and 50 m/s.