公开(公告)号：US20230093202A1

公开(公告)日：2023-03-23

申请号：US17788049

申请日：2020-12-17

Applicant: DIC Corporation

Inventor： Youki Kou ,  Hisakazu Tanaka

IPC: C08F297/02 ,  C08F265/06 ,  C08F220/14 ,  C08F212/32 ,  B01J19/00

Abstract: The block copolymer intermediate represented by the following general formula (1) or (2) is used. In the formulae, R1 and R7 each independently represent a polymerization initiator residue, R2 and R8 each independently represent an aromatic group or an alkyl group, Y1 represents a polymer block of (meth)acrylic ester: Y2 represents a polymer block of styrene or a derivative thereof, and m and n each independently represent in an integer from 1 to 5. In the formulae, R3 represents an alkylene group having 1 to 6 carbon atoms, L represents a linking group, R4 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or an aromatic group, and R5 and R6 each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.

公开(公告)号：US20240059580A1

公开(公告)日：2024-02-22

申请号：US18282040

申请日：2022-03-22

Applicant: DIC Corporation

Inventor： Akihiro Koike ,  Youki Kou ,  Yusuke Kano ,  Jianjun Yuan

IPC: C01G39/02

CPC classification number: C01G39/02 ,  C01P2002/60 ,  C01P2006/80 ,  C01P2006/12 ,  C01P2002/72 ,  C01P2004/10 ,  C01P2004/50 ,  C01P2002/74

Abstract: Provided is a molybdenum trioxide powder containing an aggregate of primary particles containing a crystal structure of molybdenum trioxide, the crystal structure containing α crystals with an average crystallite size of 50 nm or less, a median diameter D50 of the primary particles being 2,000 nm or less determined by dynamic light scattering.

公开(公告)号：US12187855B2

公开(公告)日：2025-01-07

申请号：US17617109

申请日：2020-06-04

Applicant: DIC Corporation

Inventor： Yukie Uemura ,  Youki Kou ,  Hisakazu Tanaka

IPC: C08G81/02 ,  C08F8/20

Abstract: Provided are a block copolymer having a narrow molecular weight distribution such that the copolymer can be used in a DSA technique, a block copolymer intermediate thereof, and methods for producing the same. A block copolymer intermediate represented by the general formula (1) or (2): wherein, in the formulae (1) and (2), each of R1 and R3 independently represents a polymerization initiator residue, each of R2 and R4 independently represents an aromatic group or an alkyl group, Y1 represents a polymer block of (a)an (meth)acrylic acid ester, Y2 represents a polymer block of styrene or a derivative thereof, L represents an alkylene group or a phenylene group, X represents a halogen group, and each of m and n independently represents an integer of 1 to 5.

公开(公告)号：US20220235167A1

公开(公告)日：2022-07-28

申请号：US17608864

申请日：2020-06-04

Applicant: DIC Corporation

Inventor： Youki Kou ,  Hisakazu Tanaka

IPC: C08F297/02 ,  C08F220/14 ,  C08F212/08 ,  B01J19/00

Abstract: Provided are a block copolymer having a narrow molecular weight distribution such that the copolymer can be used in a DSA technique, a block copolymer intermediate thereof, and methods for producing the same. A block copolymer intermediate represented by the general formula (1) or (2) is used: wherein, in the general formulae (1) and (2), each of R1 and R3 independently represents a polymerization initiator residue, each of R2 and R4 independently represents an aromatic group or an alkyl group, Y1 represents a polymer block of (a)an (meth)acrylic acid ester, Y2 represents a polymer block of styrene or a derivative thereof, L represents an alkylene group having 1 to 6 carbon atoms, X represents a halogen atom, and each of m and n independently represents an integer of 1 to 5.

公开(公告)号：US20220227945A1

公开(公告)日：2022-07-21

申请号：US17617109

申请日：2020-06-04

Applicant: DIC Corporation

Inventor： Yukie Uemura ,  Youki Kou ,  Hisakazu Tanaka

IPC: C08G81/02 ,  C08F8/20

Abstract: Provided are a block copolymer having a narrow molecular weight distribution such that the copolymer can be used in a DSA technique, a block copolymer intermediate thereof, and methods for producing the same. A block copolymer intermediate represented by the general formula (1) or (2): wherein, in the formulae (1) and (2), each of R1 and R3 independently represents a polymerization initiator residue, each of R2 and R4 independently represents an aromatic group or an alkyl group, Y1 represents a polymer block of (a)an (meth)acrylic acid ester, Y2 represents a polymer block of styrene or a derivative thereof, L represents an alkylene group or a phenylene group, X represents a halogen group, and each of m and n independently represents an integer of 1 to 5.

公开(公告)号：US20240229264A9

公开(公告)日：2024-07-11

申请号：US18276265

申请日：2022-02-02

Applicant: DIC Corporation

Inventor： Youki Kou ,  Yusuke Kano ,  Minoru Tabuchi ,  Jianjun Yuan

IPC: C25B11/091 ,  C30B29/48

CPC classification number: C25B11/091 ,  C30B29/48

Abstract: A hydrogen generation catalyst according to a first aspect of the present invention contains a molybdenum sulfide powder containing molybdenum disulfide having a 3R crystal structure. A hydrogen generation catalyst according to a second aspect of the present invention contains a metal-doped molybdenum sulfide powder containing a doping metal in Groups 3 to 13 and molybdenum disulfide having a 3R crystal structure.

公开(公告)号：US20240133061A1

公开(公告)日：2024-04-25

申请号：US18276265

申请日：2022-02-02

Applicant: DIC Corporation

Inventor： Youki Kou ,  Yusuke Kano ,  Minoru Tabuchi ,  Jianjun Yuan

IPC: C25B11/091 ,  C30B29/48

CPC classification number: C25B11/091 ,  C30B29/48

Abstract: A hydrogen generation catalyst according to a first aspect of the present invention contains a molybdenum sulfide powder containing molybdenum disulfide having a 3R crystal structure. A hydrogen generation catalyst according to a second aspect of the present invention contains a metal-doped molybdenum sulfide powder containing a doping metal in Groups 3 to 13 and molybdenum disulfide having a 3R crystal structure.

公开(公告)号：US20240124322A1

公开(公告)日：2024-04-18

申请号：US18276273

申请日：2022-02-02

Applicant: DIC Corporation

Inventor： Youki Kou ,  Yusuke Kano ,  Jianjun Yuan

IPC: C01G39/06

CPC classification number: C01G39/06 ,  C01P2002/01 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2006/40

Abstract: A metal-doped molybdenum sulfide powder according to the present invention contains a doping metal in Groups 3 to 13 and molybdenum disulfide having a 3R crystal structure. A first aspect of a method for producing a metal-doped molybdenum sulfide powder includes dry-mixing a powder containing a molybdenum trioxide powder made of an aggregate of primary particles containing molybdenum trioxide, a sulfur source, and a salt of a metal in Groups 3 to 13, and heating the powder at a temperature of 200° C. to 1,000° C. A second aspect includes removing, from a mixture obtained by blending a molybdenum trioxide powder made of an aggregate of primary particles containing molybdenum trioxide, a salt of a metal in Groups 3 to 13, and a dispersion medium, the dispersion medium to obtain a solid, and heating the solid at a temperature of 200° C. to 1,000° C. in the presence of a sulfur source.