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1. WO2022009899 - POWDER FOR POWDER LAMINATE MOLDING METHOD, POWDER LAMINATE MOLDING METHOD, AND MOLDED ARTICLE

Publication Number WO/2022/009899
Publication Date 13.01.2022
International Application No. PCT/JP2021/025513
International Filing Date 06.07.2021
IPC
B33Y 10/00 2015.1
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
10Processes of additive manufacturing
B33Y 80/00 2015.1
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
80Products made by additive manufacturing
B29C 64/153 2017.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
141using only solid materials
153using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/165 2017.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
165using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
B33Y 70/10 2020.1
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
70Materials specially adapted for additive manufacturing
10Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
Applicants
  • 三菱ケミカル株式会社 MITSUBISHI CHEMICAL CORPORATION [JP]/[JP]
  • 三菱エンジニアリングプラスチックス株式会社 MITSUBISHI ENGINEERING-PLASTICS CORPORATION [JP]/[JP]
Inventors
  • 杉原 理規 SUGIHARA, Masaki
  • 岸下 稔 KISHISHITA, Minoru
  • 庄司 英和 SHOJI, Hidekazu
  • 山末 奈央 YAMASUE, Nao
Agents
  • 山本 典輝 YAMAMOTO, Noriaki
  • 山下 昭彦 YAMASHITA, Akihiko
  • 岸本 達人 KISHIMOTO, Tatsuhito
Priority Data
2020-11652806.07.2020JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) POWDER FOR POWDER LAMINATE MOLDING METHOD, POWDER LAMINATE MOLDING METHOD, AND MOLDED ARTICLE
(FR) POUDRE POUR PROCÉDÉ DE MOULAGE DE STRATIFIÉ EN POUDRE, PROCÉDÉ DE MOULAGE DE STRATIFIÉ EN POUDRE ET ARTICLE MOULÉ
(JA) 粉末積層造形法用粉末、粉末積層造形法、および、造形品
Abstract
(EN) Provided is powder for a powder laminate molding method, the powder containing polybutylene terephthalate, satisfying formula (1) in the following chargeability test, having high coating and molding performance, and being capable of obtaining a molded article of a good appearance, a high strength, etc. (1): |Voltage after drum rotation - initial voltage|≤100. <Chargeability test> 50-150 g of the powder is measured, and the initial voltage and voltage after drum rotation of the powder are measured by a rotary drum powder fluidity measurement device. Conditions for the drum rotation include rotation at 1 rpm for 2 minutes, and the unit of the voltages is V.
(FR) L'invention concerne une poudre pour un procédé de moulage de stratifié en poudre, la poudre contenant du polybutylène téréphtalate, répondant à la formule (1) dans le test de capacité de charge suivant, ayant une performance de revêtement et de moulage élevée, et étant apte à obtenir un article moulé ayant un bon aspect, une résistance élevée, etc. (1) : |Tension après rotation du tambour - tension initiale| ≤ 100. <Test de capacité de charge > On mesure 50 à 150 g de la poudre, et on mesure la tension initiale et la tension après rotation du tambour de la poudre à l'aide d'un dispositif de mesure de fluidité de poudre de tambour rotatif. Les conditions pour la rotation du tambour comprennent la rotation à 1 tour/minute pendant 2 minutes, et l'unité des tensions est le V.
(JA) ポリブチレンテレフタレートを含み、以下の帯電性試験において、下記式(1)を満たす粉末積層造形法用粉末であって、粉末の塗布性、造形性に優れ、外観、強度等に優れた造形品を得ることができる粉末積層造形法用粉末を提供する。 |ドラム回転後の電圧-初期電圧|≦100 …(1) <帯電性試験> 該粉末50~150gを計量し、回転ドラム式粉体流動性測定装置にて該粉末の初期電圧、およびドラム回転後の電圧を測定する。 なお、ドラムの回転条件は1rpm、2分で、電圧の単位はVである。
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