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1. 发明公开

EP4311876A2 TEXTILE PRINTING INKJET INK AND IMAGE FORMING METHOD 审中-实审
公开(公告)号：EP4311876A2
公开(公告)日：2024-01-31
申请号：EP23185303.7
申请日：2023-07-13
申请人： Konica Minolta, Inc.
发明人： SHIRAISHI, Masaharu , NAKAMURA, Masaki
IPC分类号： D06P1/44 , D06P1/52 , D06P5/30
摘要： Provided is a textile printing inkjet ink capable of forming an image having high friction fastness while maintaining texture of a fabric.
A textile printing inkjet ink according to an embodiment of the present invention contains a pigment, a water-dispersible resin, and an aqueous medium, in which the water-dispersible resin has tensile strength of 0.1 to 4.5 MPa at 25°C and breaking elongation of 500 to 1500% at 25°C.

2. 发明公开

EP4123088A1 TEXTILE PRINTING INK 无效
公开(公告)号：EP4123088A1
公开(公告)日：2023-01-25
申请号：EP22177109.0
申请日：2022-06-03
申请人： KONICA MINOLTA, INC.
发明人： SHIRAISHI, Masaharu , NAKAMURA, Masaki
IPC分类号： D06P5/30 , D06P1/44 , D06P1/54 , D06P1/52 , D06P1/647
摘要： An object of an embodiment of the present invention is to provide a textile printing ink that can prevent stickiness, has good fastness to rubbing, and improve color reproducibility and texture.
A textile printing ink according to an embodiment of the present invention is a textile printing ink containing polymer particles, the textile printing ink containing: first polymer particles; second polymer particles having a weight average molecular weight different from a weight average molecular weight of the first polymer particles; and a binding aid that crosslinks polymer particles, on a surface, inside, or outside of the first polymer particles and the second polymer particles, wherein when a weight average molecular weight of a polymer contained in the first polymer particles is denoted by HMw 1 and a weight average molecular weight of a polymer contained in the second polymer particles is denoted by LMw 2 , a ratio (LMw 2 /HMw 1 ) of the weight average molecular weight of the polymer of the second polymer particles to the weight average molecular weight of the polymer of the first polymer particles is in a range of 0.01 to 0.20.

3. 发明公开

EP4011982A1 RESIN COMPOSITION, FILAMENTOUS MATERIAL, THREE-DIMENSIONAL ADDITIVELY MANUFACTURED OBJECT, AND METHOD FOR PRODUCING THREE-DIMENSIONAL ADDITIVELY MANUFACTURED OBJECT 审中-实审
公开(公告)号：EP4011982A1
公开(公告)日：2022-06-15
申请号：EP20851455.4
申请日：2020-08-06
申请人： KONICA MINOLTA, INC.
发明人： NAKAMURA, Kazuaki , SHIRAISHI, Masaharu , GOTO, Kenji
IPC分类号： C08L101/02 , B29C64/118 , B32B23/04 , B32B27/30 , B33Y10/00 , B33Y70/00 , B33Y80/00
摘要： The present invention addresses the problem of providing: a resin composition and a filamentous material for forming a three-dimensional additively manufactured object having excellent durability (strength) in external bending stress; a three-dimensional additively manufactured object produced using the filamentous material; and a method for producing the three-dimensional additively manufactured object. This resin composition is for use in forming shaped objects by a thermal fusion/extrusion method, and is characterized by comprising a resin including a polymer having a partial structure represented by general formula (1). General formula (1): -(X) n -J-A (In the general formula, X represents -C(=O)-, -C(=O)NH-, -SiR 1 R 2 -, or -S-, where R 1 and R 2 each represent a substituent, J represents a linking group, A represents a functional group, and n indicates 1 or 0.)

4. 发明公开

EP4311876A3 TEXTILE PRINTING INKJET INK AND IMAGE FORMING METHOD 审中-实审
公开(公告)号：EP4311876A3
公开(公告)日：2024-03-13
申请号：EP23185303.7
申请日：2023-07-13
申请人： Konica Minolta, Inc.
发明人： SHIRAISHI, Masaharu , NAKAMURA, Masaki
IPC分类号： D06P1/44 , D06P1/52 , D06P5/30
摘要： Provided is a textile printing inkjet ink capable of forming an image having high friction fastness while maintaining texture of a fabric.
A textile printing inkjet ink according to an embodiment of the present invention contains a pigment, a water-dispersible resin, and an aqueous medium, in which the water-dispersible resin has tensile strength of 0.1 to 4.5 MPa at 25°C and breaking elongation of 500 to 1500% at 25°C.

5. 发明公开

EP4194517A1 AQUEOUS INKJET INK RESIN DISPERSION AND AQUEOUS INKJET INK 审中-实审
公开(公告)号：EP4194517A1
公开(公告)日：2023-06-14
申请号：EP22211382.1
申请日：2022-12-05
申请人： Konica Minolta, Inc.
发明人： SHIRAISHI, Masaharu , NAKAMURA, Masaki
IPC分类号： C09D11/107 , C09D11/38 , D06P5/00
摘要： To provide an aqueous inkjet ink resin dispersion excellent in dischargeability by inkjet.
An aqueous inkjet ink resin dispersion according to an embodiment of the present invention contains resin particles and water, and the resin particles contain a radical polymer containing a structural unit derived from a polymerizable monomer represented by formula (1).

(In formula (1), R 1 represents an alkylene group having 1 to 10 carbon atoms, n represents an integer of 1 to 100, R 2 represents an alkyl group having 1 to 50 carbon atoms or an aryl group having 6 to 30 carbon atoms, and X represents -SO 3 M (M represents an alkali metal atom or NH 4 )).

6. 发明公开

EP3936580A1 INK SET FOR INKJET PRINTING AND INKJET PRINTING METHOD 有权
公开(公告)号：EP3936580A1
公开(公告)日：2022-01-12
申请号：EP21176818.9
申请日：2021-05-31
申请人： KONICA MINOLTA, INC.
发明人： KUROGI, Yusuke , SHIRAISHI, Masaharu
IPC分类号： C09D11/40 , C09D11/38 , C09D11/328 , D06P5/30
摘要： Provided is an ink set for inkjet printing comprising at least a penetration liquid for inkjet printing and a color ink for inkjet printing, wherein the penetration liquid for inkjet printing contains a surfactant A, an organic solvent, and water, a total content of the surfactant A is 2% by mass or more; and the color ink for inkjet printing contains a dye.

7. 发明授权

EP3385060B1 POWDER MATERIAL, METHOD OF MANUFACTURING A THREE-DIMENSIONAL OBJECT, AND THREE-DIMENSIONAL MANUFACTURING APPARATUS 有权
公开(公告)号：EP3385060B1
公开(公告)日：2020-08-12
申请号：EP16870285.0
申请日：2016-10-04
申请人： Konica Minolta, Inc.
发明人： SHIRAISHI, Masaharu , ISOBE, Kazuya , HARA, Akiko , YAMAZAKI, Kazufumi
IPC分类号： B29C64/153 , B33Y70/00 , B33Y10/00 , B33Y30/00

8. 发明公开

EP4290006A1 IMAGE FORMING METHOD AND INK SET 审中-公开
公开(公告)号：EP4290006A1
公开(公告)日：2023-12-13
申请号：EP23175968.9
申请日：2023-05-30
申请人： KONICA MINOLTA, INC.
发明人： NAKAMURA, Masaki , SHIRAISHI, Masaharu
IPC分类号： D06P1/44 , D06P1/52 , D06P1/54 , D06P3/82 , D06P5/08 , D06P5/30
摘要： To provide an image forming method capable of maintaining high friction fastness for a long period of time without impairing texture of a fabric.
An image forming method of the present invention includes a step of applying an ink containing a pigment and resin particles onto a fabric by an inkjet method, and a step of applying a post-treatment liquid containing a lubricant onto the ink applied to the fabric in a wet-on-wet manner. When a solubility parameter of a resin constituting the resin particles is represented by SP 1 (cal/cm 3 ) 1/2 and a solubility parameter of the lubricant is represented by SP 2 (cal/cm 3 ) 1/2 , 0.3 ≤ SP 1 - SP 2 ≤ 0.8 is satisfied.

9. 发明公开

EP3831576A1 THREE-DIMENSIONAL MODELING MATERIAL, THREE-DIMENSIONAL MODEL PRODUCTION METHOD USING SAME, AND THREE-DIMENSIONAL MODEL 有权
公开(公告)号：EP3831576A1
公开(公告)日：2021-06-09
申请号：EP19845046.2
申请日：2019-07-08
申请人： KONICA MINOLTA, INC.
发明人： SHIRAISHI, Masaharu , KOJIMA, Takeshi , GOTO, Kenji , KATAKURA, Rie , KITA, Hiroshi
IPC分类号： B29C64/118 , B33Y10/00 , B33Y70/00 , B33Y80/00 , C08K5/56 , C08L23/00
摘要： The present invention provides a three-dimensional model that contains an olefin-based polymer and can be easily processed, and a three-dimensional modeling material for obtaining the same. In addition, an object of the present invention is to provide a three-dimensional modeling material that contains an olefin-based polymer and can impart a function to a three-dimensional model itself. Furthermore, another object of the present invention is to provide a three-dimensional model production method using a three-dimensional modeling material. A three-dimensional modeling material that solves the above problems is a material for forming a three-dimensional model using thermal energy and contains an olefin-based polymer and an organometallic complex. The organometallic complex contains a central metal, a ligand coordinated to the central metal, and a compatible group having a structure in which four or more carbon atoms bonded to the ligand are linearly arranged, and the central metal has one or more vacant orbitals.

10. 发明公开

EP3385060A1 POWDER MATERIAL, METHOD FOR MANUFACTURING THREE-DIMENSIONAL MODELED OBJECT, AND THREE-DIMENSIONAL-MODELING DEVICE 有权
公开(公告)号：EP3385060A1
公开(公告)日：2018-10-10
申请号：EP16870285.0
申请日：2016-10-04
申请人： Konica Minolta, Inc.
发明人： SHIRAISHI, Masaharu , ISOBE, Kazuya , HARA, Akiko , YAMAZAKI, Kazufumi
IPC分类号： B29C67/00 , B33Y10/00 , B33Y30/00 , B33Y70/00
CPC分类号： B33Y70/00 , B29C64/153 , B33Y10/00 , B33Y30/00
摘要： The present invention pertains to a powder material used to manufacture a three-dimensional modeled object by selectively radiating laser light to a thin layer of the powder material including powder particles, forming a modeled object layer obtained by melt-binding of the powder particles, and layering the modeled object layer. The powder particles include a core resin and a shell resin for coating the core resin, the temperature at which the storage modulus G' of the material constituting the shell resin is 1 × 10 6.5 Pa being higher than the temperature at which the storage modulus G' of the material constituting the core resin is 1 × 10 6.5 Pa. The abovementioned powder material, makes it possible to manufacture a three-dimensional modeled object having higher definition.

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