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1
US2020354528A1
POLYARYLENE SULFIDE RESIN PARTICULATE AND METHOD OF PRODUCING SAME
Publication/Patent Number: US2020354528A1 Publication Date: 2020-11-12 Application Number: 16/071,108 Filing Date: 2017-01-17 Inventor: Watanabe, Kei   Takeda, Kazusada   Miyama, Hisashi   Nishida mikiya   Assignee: TORAY INDUSTRIES, INC.   IPC: C08J3/12 Abstract: A polyarylene sulfide resin particulate has a mean particle diameter from more than 1 μm to 100 the uniformity is 4 or less, the melt viscosity measured at temperature of 300° C. and shear rate of 1216 sec−1 is 150 to 500 Pa·s, and the recrystallization temperature, defined as temperature of the heat generation peak at the time of crystallization when cooled from 340° C. to 50° C. at 20° C./min using a differential scanning calorimeter, is 150 to 210° C. The polyarylene sulfide resin particulate is suitable as a material powder for producing a three-dimensional molding by a powder sintering three-dimensional printer can be provided efficiently.
2
EP3388471B1
POLYARYLENE SULFIDE RESIN GRANULAR ARTICLE AND METHOD FOR PRODUCING SAME
Publication/Patent Number: EP3388471B1 Publication Date: 2020-02-19 Application Number: 17741362.2 Filing Date: 2017-01-17 Inventor: Watanabe, Kei   Takeda, Kazusada   Miyama, Hisashi   Nishida mikiya   Assignee: Toray Industries, Inc.   IPC: C08J3/12
3
US2020055234A1
POLYARYLENE SULFIDE RESIN POWDER GRANULAR ARTICLE MIXTURE AND METHOD FOR PRODUCING THREE-DIMENSIONAL MOLDED ARTICLE
Publication/Patent Number: US2020055234A1 Publication Date: 2020-02-20 Application Number: 16/343,668 Filing Date: 2017-10-13 Inventor: Watanabe, Kei   Takeda, Kazusada   Miyama, Hisashi   Nishida mikiya   Shibata, Hikaru   Assignee: Toray Industries, Inc.   IPC: B29C64/153 Abstract: A polyarylene sulfide resin powder granular article mixture enabling production of a highly heat-resistant and high-ductility three-dimensional molded article has: 5-25 parts by weight of fluorine resin powder granular article with respect to 100 parts by weight of polyarylene sulfide resin powder granular article; an average particle size of greater than 1 μm to 100 μm or less; an angle of repose of 43 degrees or less; and a homogeneity of 4 or less.
4
US2020040204A1
POLYBUTYLENE TEREPHTHALATE RESIN POWDER MIXTURE
Publication/Patent Number: US2020040204A1 Publication Date: 2020-02-06 Application Number: 16/590,826 Filing Date: 2019-10-02 Inventor: Watanabe, Kei   Takeda, Kazusada   Nishimura, Yosuke   Takezaki, Hiroshi   Miyama, Hisashi   Nishida mikiya   Assignee: Toray Industries, Inc.   IPC: C09D11/104 Abstract: A method of producing polybutylene terephthalate resin shaped moldings includes supplying a 3D printer with a polybutylene terephthalate resin powder mixture that contains 100 parts by weight of a polybutylene terephthalate resin powder material having a mean diameter of more than 1 μm and 100 μm or less, a uniformity coefficient of 4 or less, and a terminal carboxyl group quantity of 35 eq/t or more and 50 eq/t or less, and 0.1 to 5 parts by weight of inorganic particles having a mean diameter of 20 to 500 nm.
5
EP3315553B1
POLYESTER RESIN POWDER MIXTURE
Publication/Patent Number: EP3315553B1 Publication Date: 2020-09-30 Application Number: 16817553.7 Filing Date: 2016-04-27 Inventor: Watanabe, Kei   Takeda, Kazusada   Nishimura, Yosuke   Takezaki, Hiroshi   Miyama, Hisashi   Nishida mikiya   Assignee: Toray Industries, Inc.   IPC: C08J3/20
6
US202040204A1
POLYBUTYLENE TEREPHTHALATE RESIN POWDER MIXTURE
Publication/Patent Number: US202040204A1 Publication Date: 2020-02-06 Application Number: 20/191,659 Filing Date: 2019-10-02 Inventor: Takezaki, Hiroshi   Takeda, Kazusada   Watanabe, Kei   Nishida mikiya   Nishimura, Yosuke   Miyama, Hisashi   Assignee: Toray Industries, Inc.   IPC: C09D11/104 Abstract: A method of producing polybutylene terephthalate resin shaped moldings includes supplying a 3D printer with a polybutylene terephthalate resin powder mixture that contains 100 parts by weight of a polybutylene terephthalate resin powder material having a mean diameter of more than 1 μm and 100 μm or less, a uniformity coefficient of 4 or less, and a terminal carboxyl group quantity of 35 eq/t or more and 50 eq/t or less, and 0.1 to 5 parts by weight of inorganic particles having a mean diameter of 20 to 500 nm.
7
EP3530701A1
POLYARYLENE SULFIDE RESIN POWDER GRANULAR ARTICLE MIXTURE AND METHOD FOR PRODUCING THREE-DIMENSIONAL MOLDED ARTICLE
Publication/Patent Number: EP3530701A1 Publication Date: 2019-08-28 Application Number: 17861706.4 Filing Date: 2017-10-13 Inventor: Watanabe, Kei   Takeda, Kazusada   Miyama, Hisashi   Nishida mikiya   Shibata, Hikaru   Assignee: Toray Industries, Inc.   IPC: C08L81/02 Abstract: The present invention addresses the problem of obtaining a polyarylene sulfide resin powder granular article mixture for 3D printers, the mixture enabling production of a highly heat-resistant and high-ductility three-dimensional molded article. Provided is a polyarylene sulfide resin powder granular article mixture which is characterized by having: 5-25 parts by weight of fluorine resin powder granular article with respect to 100 parts by weight of polyarylene sulfide resin powder granular article; an average particle size of greater than 1 µm to 100 pm or less; an angle of repose of 43 degrees or less; and a homogeneity of 4 or less.
8
KR20180103882A
폴리아릴렌술피드 수지 분립체 및 그의 제조 방법
Publication/Patent Number: KR20180103882A Publication Date: 2018-09-19 Application Number: 20187019535 Filing Date: 2017-01-17 Inventor: Miyama, Hisashi   Nishida mikiya   Takeda, Kazusada   Watanabe, Kei   Assignee: TORAY INDUSTRIES, INC.   IPC: C08L81/02 Abstract: 평균 입경이 1㎛ 초과 100㎛ 이하이고, 균일도가 4 이하이고, 온도 300℃, 전단 속도 1216sec에서 측정한 용융 점도가 150Pa·s 이상 500Pa·s 이하이고, 시차 주사형 열계를 사용하여 20℃/분으로 340℃에서부터 50℃까지 강온했을 때의 결정화 시의 발열 피크의 정점 온도로서 정의되는 재결정화 온도가 150 내지 210℃인 것을 특징으로 하는 폴리아릴렌술피드 수지 분립체. 분말 소결법 3D 프린터에 의해 삼차원 조형물을 제작하기 위한 재료 분말로서 적합한 폴리아릴렌술피드 수지 분립체를 효율적으로 제공할 수 있다.
9
EP3388471A1
POLYARYLENE SULFIDE RESIN GRANULAR ARTICLE AND METHOD FOR PRODUCING SAME
Publication/Patent Number: EP3388471A1 Publication Date: 2018-10-17 Application Number: 17741362.2 Filing Date: 2017-01-17 Inventor: Watanabe, Kei   Takeda, Kazusada   Miyama, Hisashi   Nishida mikiya   Assignee: Toray Industries, Inc.   IPC: C08J3/12 Abstract: A polyarylene sulfide resin particulate characterized in that the mean particle diameter is from more than 1 µm to 100 µm, the uniformity is 4 or less, the melt viscosity measured at temperature of 300°C and shear rate of 1216 sec-1 is 150 to 500 Pa·s, and the recrystallization temperature, defined as temperature of the heat generation peak at the time of crystallization when cooled from 340°C to 50°C at 20°C/min using a differential scanning calorimeter, is 150 to 210°C. A polyarylene sulfide resin particulate suitable as a material powder for producing a three-dimensional molding by a powder sintering three-dimensional printer can be provided efficiently.
10
WO2018074353A1
POLYARYLENE SULFIDE RESIN POWDER GRANULAR ARTICLE MIXTURE AND METHOD FOR PRODUCING THREE-DIMENSIONAL MOLDED ARTICLE
Publication/Patent Number: WO2018074353A1 Publication Date: 2018-04-26 Application Number: 2017037157 Filing Date: 2017-10-13 Inventor: Watanabe, Kei   Shibata, Hikaru   Takeda, Kazusada   Nishida mikiya   Miyama, Hisashi   Assignee: Toray Industries, Inc.   IPC: C08L81/02 Abstract: The present invention addresses the problem of obtaining a polyarylene sulfide resin powder granular article mixture for 3D printers, the mixture enabling production of a highly heat-resistant and high-ductility three-dimensional molded article. Provided is a polyarylene sulfide resin powder granular article mixture which is characterized by having: 5-25 parts by weight of fluorine resin powder granular article with respect to 100 parts by weight of polyarylene sulfide resin powder granular article; an average particle size of greater than 1 μm to 100 μm or less; an angle of repose of 43 degrees or less; and a homogeneity of 4 or less.
11
KR20180022633A
폴리에스테르 수지 분립체 혼합물
Title (English): Polyester resin is divided into three-dimensional mixtures.
Publication/Patent Number: KR20180022633A Publication Date: 2018-03-06 Application Number: 20177031145 Filing Date: 2016-04-27 Inventor: Takezaki, Hiroshi   Watanabe, Kei   Nishimura, Yosuke   Takeda, Kazusada   Nishida mikiya   Miyama, Hisashi   Assignee: Toray Industries, Inc.   IPC: C08L67/02 Abstract: 평균 입경이 작고, 분체 유동성이 우수하고 또한 성형 후의 강도가 높은 폴리에스테르 수지 분립체 혼합물을 효율적으로 제공한다. 평균 입경이 1㎛를 초과하며 100㎛ 이하이고, 균일도가 4 이하인 폴리에스테르 수지 분립체 100중량부에, 평균 입경이 20 내지 500nm인 실리카 미립자를 0.1 내지 5중량부 배합한 폴리에스테르 수지 분립체 혼합물이다.
12
US2018186926A1
POLYESTER RESIN POWDER MIXTURE
Publication/Patent Number: US2018186926A1 Publication Date: 2018-07-05 Application Number: 15/740,141 Filing Date: 2016-04-27 Inventor: Nishida mikiya   Miyama, Hisashi   Takezaki, Hiroshi   Nishimura, Yosuke   Takeda, Kazusada   Watanabe, Kei   Assignee: Toray Industries, Inc.   IPC: C08J3/20 Abstract: A polyester resin powder mixture has a small average particle size, excellent powder flowability, and high strength after molding. The polyester resin powder mixture is obtained by blending 0.1-5 parts by weight of silica microparticles having an average particle size of 20-500 nm in 100 parts by weight of a polyester resin powder having an average particle size that is over 1 μm and is less than or equal to 100 μm, and that has a uniformity of 4 or less.
13
EP3315553A1
POLYESTER RESIN POWDER MIXTURE
Publication/Patent Number: EP3315553A1 Publication Date: 2018-05-02 Application Number: 16817553.7 Filing Date: 2016-04-27 Inventor: Watanabe, Kei   Takeda, Kazusada   Nishimura, Yosuke   Takezaki, Hiroshi   Miyama, Hisashi   Nishida mikiya   Assignee: Toray Industries, Inc.   IPC: C08L67/00 Abstract: The present invention efficiently provides a polyester resin powder mixture having a small average particle size, excellent powder flowability, and high strength after molding. This polyester resin powder mixture is obtained by blending 0.1-5 parts by weight of silica microparticles having an average particle size of 20-500 nm in 100 parts by weight of a polyester resin powder having an average particle size that is over 1 µm and is less than or equal to 100 µmm, and that has a uniformity of 4 or less.
14
CA3010998A1
POLYARYLENE SULFIDE RESIN PARTICULATE AND METHOD FOR PRODUCING SAME
Publication/Patent Number: CA3010998A1 Publication Date: 2017-07-27 Application Number: 3010998 Filing Date: 2017-01-17 Inventor: Watanabe, Kei   Takeda, Kazusada   Nishida mikiya   Miyama, Hisashi   Assignee: Toray Industries, Inc.   IPC: C08K3/00 Abstract: A polyarylene sulfide resin granular article characterized in that the average particle size is from more than 1 µm to 100 µm, the degree of uniformity is 4 or less, the melt viscosity measured at a temperature 300°C and a shear rate of 1216 sec-1 is 150-500 Pa·s, and the recrystallization temperature, defined as the apex temperature of the exothermic peak at the time of crystallization when cooled from 340°C to 50°C at 20°C/min using a differential scanning calorimeter, is 150-210°C. A polyarylene sulfide resin granular article suitable as a material powder for producing a three-dimensional model by a 3D printer with powder sintering can be provided efficiently.
15
WO2017126484A1
POLYARYLENE SULFIDE RESIN GRANULAR ARTICLE AND METHOD FOR PRODUCING SAME
Publication/Patent Number: WO2017126484A1 Publication Date: 2017-07-27 Application Number: 2017001310 Filing Date: 2017-01-17 Inventor: Watanabe, Kei   Takeda, Kazusada   Miyama, Hisashi   Nishida mikiya   Assignee: Toray Industries, Inc.   IPC: B29C67/00 Abstract: A polyarylene sulfide resin granular article characterized in that the average particle size is from more than 1 μm to 100 μm
16
JP2017043654A
POLYARYLENE SULFIDE RESIN PARTICULATE MIXTURE
Publication/Patent Number: JP2017043654A Publication Date: 2017-03-02 Application Number: 2015164887 Filing Date: 2015-08-24 Inventor: Watanabe, Kei   Takeda, Kazusada   Nishida mikiya   Miyama, Hisashi   Assignee: TORAY IND INC   IPC: C08K3/00 Abstract: PROBLEM TO BE SOLVED: To efficiently provide a polyarylene sulfide resin particulate mixture having a small average particle diameter
17
CA2984474A1
POLYESTER RESIN POWDER MIXTURE
Publication/Patent Number: CA2984474A1 Publication Date: 2017-01-05 Application Number: 2984474 Filing Date: 2016-04-27 Inventor: Watanabe, Kei   Nishimura, Yosuke   Takezaki, Hiroshi   Takeda, Kazusada   Nishida mikiya   Miyama, Hisashi   Assignee: Toray Industries, Inc.   IPC: C08K3/00 Abstract: The present invention efficiently provides a polyester resin powder mixture having a small average particle size
18
WO2017002443A1
POLYESTER RESIN POWDER MIXTURE
Publication/Patent Number: WO2017002443A1 Publication Date: 2017-01-05 Application Number: 2016063241 Filing Date: 2016-04-27 Inventor: Takeda, Kazusada   Takezaki, Hiroshi   Watanabe, Kei   Miyama, Hisashi   Nishida mikiya   Nishimura, Yosuke   Assignee: TORAY INDUSTRIES, INC.   IPC: C08K3/00 Abstract: The present invention efficiently provides a polyester resin powder mixture having a small average particle size
19
JP2016160106A
GRANULAR FERTILIZER COMPOSITION AND METHOD FOR PRODUCING THE SAME
Publication/Patent Number: JP2016160106A Publication Date: 2016-09-05 Application Number: 2015037053 Filing Date: 2015-02-26 Inventor: Takahashi, Yoshitake   Kurumi, Yoshiaki   Doto, Takahiro   Nishida mikiya   Assignee: TORAY IND INC   IPC: B01J2/00 Abstract: PROBLEM TO BE SOLVED: To provide a granular fertilizer composition in which there is a lower amount of powder generation because of the high granule hardness