公开(公告)号：US20210317296A1

公开(公告)日：2021-10-14

申请号：US17270217

申请日：2019-08-21

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Jo OTSUKA ,  Tatsuya MATSUKUBO ,  Kenji YAMAUCHI ,  Yasuko ISHIDA

IPC: C08L33/10 ,  C08K5/00 ,  C08K3/013

Abstract: The present invention aims to provide a vehicle composition for inorganic fine particle dispersion which has excellent decomposability at low temperature and enables degreasing in a short time, an inorganic fine particle-dispersed slurry composition containing the vehicle composition for inorganic fine particle dispersion, and a method for producing an inorganic fine particle-dispersed sheet with the inorganic fine particle-dispersed slurry composition. The present invention relates to a vehicle composition for inorganic fine particle dispersion, containing a binder resin, an organic solvent, and an organic compound having a boiling point at normal pressure of 200° C. or higher and lower than 400° C., the binder resin containing a (meth)acrylic resin, the organic compound containing at least one selected from a phenol compound, an aromatic amine compound, a quinone compound, and a nitro compound, the amount of the organic compound being 1 to 100 parts by weight relative to 100 parts by weight of the binder resin.

公开(公告)号：US20240279369A1

公开(公告)日：2024-08-22

申请号：US18569739

申请日：2022-06-20

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Kenji YAMAUCHI ,  Tatsuya MATSUKUBO ,  Takeshi WAKIYA ,  Jo OTSUKA ,  Yumi KANEKO ,  Kanako URADOKORO

IPC: C08F16/06 ,  C08F2/28 ,  C08F8/12 ,  C08F8/28 ,  C08F16/38 ,  C08J5/18

CPC classification number: C08F16/06 ,  C08F2/28 ,  C08F8/12 ,  C08F8/28 ,  C08F16/38 ,  C08J5/18 ,  C08J2429/14

Abstract: The present invention provides an ultra-high molecular weight polyvinyl alcohol resin that can provide, when acetalized, a resin film having high strength and high transparency. The present invention also provides a polyvinyl acetal resin, a method for producing a polyvinyl alcohol resin, and a method for producing a polyvinyl acetal resin. Provided is a polyvinyl alcohol resin having at least one selected from the group consisting of a sulfone group, an alkyl sulfonyl group, an aromatic sulfonyl group, a sulfine group, an imidazoline group, a carboxy group, an amide group, an amino group, and a hydroxy group at at least one molecular end of a main chain, having a weight average molecular weight (Mw) of 1,000,000 or more, and containing a water-soluble surfactant in an amount of 0.02% by weight or less.

公开(公告)号：US20240387862A1

公开(公告)日：2024-11-21

申请号：US18578531

申请日：2022-07-11

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Jo OTSUKA ,  Kenji YAMAUCHI

IPC: H01M10/0562

Abstract: The present invention provides a slurry composition for all-solid-state battery production which can reduce gelation without neutralization with an acidic compound or a capital investment for a large-scale dry room or the like in the production of an all-solid-state battery using an alkali metal-containing inorganic powder, and which enables easy debinding of the binder resin and firing at relatively low temperature. The present invention also provides a method for producing an all-solid-state battery using the slurry composition for all-solid-state battery production. Provided is a slurry composition for all-solid-state battery production, containing: an organic solvent; a binder resin; and an alkali metal-containing inorganic powder, the binder resin containing a segment (A) derived from a (meth) acrylate having a C3-C20 branched alkyl group and at least one segment (B) selected from the group consisting of a segment derived from a (meth) acrylate having a C5-C20 cyclic hydrocarbon group and a segment derived from a compound having an aromatic group, the binder resin containing the segment (A) and the segment (B) in a total amount of 70% by weight or more.

公开(公告)号：US20230167214A1

公开(公告)日：2023-06-01

申请号：US17784217

申请日：2020-12-10

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Kenji YAMAUCHI ,  Takeshi WAKIYA ,  Tatsuya MATSUKUBO ,  Kanako TAMAGAWA ,  Jo OTSUKA ,  Yumi KANEKO

IPC: C08F220/18 ,  C08F2/38

CPC classification number: C08F220/1804 ,  C08F2/38

Abstract: The present invention provides a resin composition for sintering, an inorganic fine particle-dispersed slurry composition containing the resin composition for sintering, and an inorganic fine particle-dispersed sheet formed using the resin composition for sintering or inorganic fine particle-dispersed slurry composition. The present invention relates to a resin composition for sintering, containing a binder resin, the binder resin including a (meth)acrylic resin (A), the (meth)acrylic resin (A) having at least one selected from the group consisting of a sulfone group, an alkyl sulfonyl group, an aromatic sulfonyl group, a sulfine group, an imidazoline group, a carboxy group, an amide group, an amino group, and a hydroxy group at at least one molecular end of the main chain and having a weight average molecular weight (Mw) of 1,000,000 or more, an amount of a water-soluble surfactant in the resin composition for sintering being 0 parts by weight or more and 0.02 parts by weight or less per 100 parts by weight of the binder resin.

公开(公告)号：US20180194935A1

公开(公告)日：2018-07-12

申请号：US15743390

申请日：2016-09-30

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Takayuki MAEDA ,  Kenji YAMAUCHI ,  Shiori TATENO

IPC: C08L29/14 ,  C08F8/28 ,  C08L63/00 ,  C08L29/04

Abstract: The present invention aims to provide a modified polyvinyl acetal resin composition that is excellent in storage stability, has high strength and excellent adhesiveness, and is capable of reducing occurrence of warping or peeling when used for bonding different materials. The present invention relates to a modified polyvinyl acetal resin composition containing: a modified polyvinyl acetal resin having a constitutional unit with an imine structure, and an epoxy resin.

公开(公告)号：US20190276718A1

公开(公告)日：2019-09-12

申请号：US16334814

申请日：2017-09-26

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Shiori TATENO ,  Takayuki MAEDA ,  Kenji YAMAUCHI

IPC: C09J163/00 ,  C08L31/04

Abstract: The present invention provides an epoxy adhesive composition that is excellent in compatibility and storage stability, has high strength and excellent adhesiveness, is capable of reducing occurrence of warping or peeling when used for bonding different materials, and is also excellent in impact resistance after being cured. Provided is an epoxy adhesive composition including: a modified polyvinyl acetal resin having a constitutional unit with an acid-modified group; and an epoxy resin, the epoxy adhesive composition containing an organic solvent in an amount of 10.0% by weight or less.

公开(公告)号：US20170088640A1

公开(公告)日：2017-03-30

申请号：US15124103

申请日：2014-03-24

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Kenji YAMAUCHI ,  Jiro MIYAI ,  Shogo NARUWAKI ,  Takayuki MAEDA

IPC: C08F8/28 ,  C09D5/32 ,  C09D5/26 ,  G03C1/498 ,  C09D129/14

CPC classification number: C08F8/28 ,  C08F2800/10 ,  C08L2205/025 ,  C09D5/26 ,  C09D5/32 ,  C09D129/14 ,  G03C1/49863 ,  C08K13/02 ,  C08F16/06

Abstract: An object of the present invention is to provide: a polyvinyl acetal resin for a heat-developable photosensitive material capable of preventing skinning in the coating process of the photosensitive layer of the heat-developable photosensitive material, preventing deterioration of image characteristics and coloration of the coating solution, and suppressing the occurrence of odor at the time of producing the heat-developable photosensitive material and heat development. The present invention provides a polyvinyl acetal resin for a heat-developable photosensitive material used for a photosensitive layer of the heat-developable photosensitive material, which has a residual acetyl group content of 25 mol % or less, residual hydroxyl group content of 17-35 mol %, polymerization degree of 200 to 3,000, which is obtained by an acetalization of a polyvinyl alcohol mixture containing polyvinyl alcohol resins having different polymerization degrees, the content of the polyvinyl alcohol having a polymerization degree of 600 or less being 50 wt % or higher in the polyvinyl alcohol mixture.

公开(公告)号：US20170037271A1

公开(公告)日：2017-02-09

申请号：US15124442

申请日：2015-03-16

Applicant: Sekisui Chemical Co., Ltd.

Inventor： Hiroko KOBAYASHI ,  Kenji YAMAUCHI ,  Shintaro MORIGUCHI ,  Jiro MIYAI

IPC: C09D11/52 ,  H01G4/008 ,  C09D131/04 ,  C08K3/08 ,  C09D11/106 ,  C09D11/033

CPC classification number: C09D11/52 ,  C08K3/08 ,  C08K2003/0862 ,  C09D5/24 ,  C09D11/033 ,  C09D11/106 ,  C09D131/04 ,  H01B1/22 ,  H01G4/008 ,  H01G4/12 ,  H01G4/30 ,  C08L29/14

Abstract: The present invention provides a conductive paste that has excellent printability, that can provide a printed electrode with a smooth surface, and that is excellent in storage stability. The present invention relates to a conductive paste used for formation of an electrode of a multilayer ceramic capacitor, the conductive paste including: a polyvinyl acetal resin that contains a carboxylic acid-modified polyvinyl acetal resin; an organic solvent; and a conductive powder, the polyvinyl acetal resin having an average degree of polymerization of 200 to 800, an carboxyl group content of 0.05 to 1 mol %, a hydroxy group content of 16 to 24 mol %, an acetyl group content of 0.1 to 3 mol %, and an acetoacetal group content of not more than 25 mol %, the carboxylic acid-modified polyvinyl acetal resin having at least one of a structural unit that has a carboxyl group represented by the formula (1-1) and a structural unit that has a carboxyl group represented by the formula (1-2): in the formula (1-1), R1 and R2 each independently representing a C0-C10 alkylene group, X1 and X2 each independently representing a hydrogen atom, a metal atom, or a methyl group, in the formula (1-2), R3, R4, and R5 each independently representing a hydrogen atom or a C1-C10 alkyl group, R6 representing a C0-C10 alkylene group, X3 representing a hydrogen atom, a metal atom, or a methyl group.

Abstract translation: 在式（1-1）中，式（1-2）中的R 1和R 2各自独立地表示C 10 -C 10亚烷基，X 1和X 2各自独立地表示氢原子，金属原子或甲基， R 3，R 4和R 5各自独立地表示氢原子或C 1 -C 10烷基，R 6表示C 10 -C 10亚烷基，X 3表示氢原子，金属原子或甲基。