公开(公告)号：US20220288678A1

公开(公告)日：2022-09-15

申请号：US17638709

申请日：2020-08-12

Applicant: Osaka Soda Co., Ltd.

Inventor： Masatoshi Okuda ,  Takamichi Mori ,  Junichiro Minami ,  Naruhito Iwasa

IPC: B22F1/054 ,  C09J9/02 ,  B22F3/10

Abstract: The present invention provides novel silver particles that when used as a conductive adhesive, are satisfactorily sintered at a low temperature without application of pressure during sintering of the conductive adhesive, and form a sintered body with high denseness and high mechanical strength (shear strength). Silver particles comprising silver particles A with an average particle diameter in the range of 50 to 500 nm, and silver particles B with an average particle diameter in the range of 0.5 to 5.5 μm, wherein the silver particles satisfy a relationship in which the average particle diameter of the silver particles B is 5 to 11 times the average particle diameter of the silver particles A.

公开(公告)号：US20210331924A1

公开(公告)日：2021-10-28

申请号：US17264653

申请日：2019-07-26

Applicant: Osaka Soda Co., Ltd. ,  Meijo Nano Carbon Co., Ltd.

Inventor： Naruhito Iwasa ,  Daigo Hirayama ,  Jitsuo Oda ,  Yasushi Miki ,  Hisato Kagawa ,  Takeshi Hashimoto ,  Kei Takano

IPC: C01B32/162 ,  C01B32/159 ,  B01J21/12

Abstract: Provided is a method for highly efficiently producing highly pure single-walled carbon nanotubes. This method for producing carbon nanotubes by fluidized CVD includes: a step for heating a material (A) to 1200° C. or higher, in which the total mass of Al2O3 and SiO2 constitutes at least 90% of the total mass of the material (A) and the mass ratio of Al2O3/SiO2 is in the range of 1.0-2.3; and a step for bringing a gas, which is present in the environment in which the material (A) is being heated to 1200° C. or higher, into contact with a feed gas to generate carbon nanotubes.

公开(公告)号：US10604600B2

公开(公告)日：2020-03-31

申请号：US16082743

申请日：2017-03-10

Applicant: OSAKA SODA CO., LTD.

Inventor： Hideaki Umakoshi ,  Naruhito Iwasa ,  Hiroki Yamamoto

IPC: C08F2/46 ,  C08F2/50 ,  C08G61/04 ,  C08F18/08 ,  C08F2/44 ,  C08F2/48 ,  C09J4/06 ,  C09J11/06 ,  C09J131/06 ,  C09J131/04 ,  C09J133/10

Abstract: The objection of the present invention is to provide a photocurable resin composition having deep curability. The photocurable resin composition comprises an allyl polymer (a) produced by polymerization of an allyl compound represented by the following formula (1), a photocurable compound (b), and a photopolymerization initiator (c). In the formula, n represents an integer of 2 to 4; Z is selected from a binding site, an n-valent aliphatic chain hydrocarbon group optionally having a hydroxyl group, an n-valent alicyclic hydrocarbon group optionally having an alkyl group, and an n-valent aromatic hydrocarbon group optionally having an alkyl group; n is 2 and two —COOCH2CH═CH2 moieties are directly bonded to each other when Z is a binding site. ZCOOCH2CH═CH2)n  (1)

公开(公告)号：US12257631B2

公开(公告)日：2025-03-25

申请号：US17250764

申请日：2019-09-02

Applicant: OSAKA SODA CO., LTD.

Inventor： Takamichi Mori ,  Junichiro Minami ,  Naruhito Iwasa ,  Masatoshi Okuda

IPC: C09J9/02 ,  B22F1/05 ,  B22F1/0545 ,  B22F1/07 ,  B22F1/102 ,  B22F1/148 ,  B22F7/08 ,  C09J11/04 ,  B22F1/054

Abstract: The present invention provides silver nanoparticles that form a sintered body having a high shear strength and a low specific resistance when sintered at a low temperature (for example, 200° C. or less), even though the silver nanoparticles have an average particle diameter as large as 200 nm or more. Silver nanoparticles having an average particle diameter of 200 to 600 nm, wherein an exothermic peak due to binding of the silver nanoparticles in thermogravimetry-differential thermal analysis appears at less than 175° C., and a weight loss on heating from 30 to 500° C. by thermogravimetry-differential thermal analysis is 0.4% by weight or less.

公开(公告)号：US11697592B2

公开(公告)日：2023-07-11

申请号：US17264653

申请日：2019-07-26

Applicant: Osaka Soda Co., Ltd. ,  Meijo Nano Carbon Co., Ltd.

Inventor： Naruhito Iwasa ,  Daigo Hirayama ,  Jitsuo Oda ,  Yasushi Miki ,  Hisato Kagawa ,  Takeshi Hashimoto ,  Kei Takano

IPC: C01B32/162 ,  C01B32/159 ,  B01J21/12 ,  B82Y30/00 ,  B82Y40/00

CPC classification number: C01B32/162 ,  B01J21/12 ,  C01B32/159 ,  B82Y30/00 ,  B82Y40/00 ,  C01B2202/02 ,  C01B2202/30 ,  C01B2202/36 ,  C01P2006/11

Abstract: Provided is a method for highly efficiently producing highly pure single-walled carbon nanotubes. This method for producing carbon nanotubes by fluidized CVD includes: a step for heating a material (A) to 1200° C. or higher, in which the total mass of Al2O3 and SiO2 constitutes at least 90% of the total mass of the material (A) and the mass ratio of Al2O3/SiO2 is in the range of 1.0-2.3; and a step for bringing a gas, which is present in the environment in which the material (A) is being heated to 1200° C. or higher, into contact with a feed gas to generate carbon nanotubes.