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11. 发明公开

EP3896131A1 ELECTRON BEAM-CURABLE AQUEOUS INKJET INK COMPOSITION 审中-实审
公开(公告)号：EP3896131A1
公开(公告)日：2021-10-20
申请号：EP19894574.3
申请日：2019-10-01
申请人： Sakata INX Corporation
发明人： NAKASHIMA, Okinori , MYOSE, Takuya , KINJOH, Jun , SHIOZAKI, Daigo
IPC分类号： C09D11/30 , B41J2/01 , B41M5/00 , C09D11/324 , C09D11/38
摘要： Disclosed is an electron beam curable water-based ink-jet ink composition comprising a colorant, a resin emulsion, a water-soluble photopolymerizable monomer, and water, wherein the water-soluble photopolymerizable monomer comprises an acrylamide derivative, wherein a content of the acrylamide derivative is 20 to 55% by mass in the electron beam curable water-based ink-jet ink composition, and wherein a content of the resin emulsion is 1 to 11% by mass in terms of a solid content in the electron beam curable water-based ink-jet ink composition.

12. 发明公开

EP4400223A1 DIGITAL EMBOSSING CREATION METHOD 审中-公开
公开(公告)号：EP4400223A1
公开(公告)日：2024-07-17
申请号：EP22867037.8
申请日：2022-06-27
申请人： Sakata INX Corporation
发明人： KINJOH, Jun , OGASAHARA, Koki , NAKASHIMA, Okinori , MYOSE, Takuya
IPC分类号： B05D1/26 , B05D3/00 , B05D3/06 , B05D7/24 , B41M3/06 , B41J2/01 , C09D11/101 , C09D11/30 , B41M5/00 , B29C59/00
CPC分类号： B05D1/26 , B05D3/00 , B05D3/06 , B05D7/24 , B29C59/00 , B41J2/01 , B41M3/06 , B41M5/00 , C09D11/101 , C09D11/30
摘要： An object is to provide a method for forming desired convex shapes in desired areas while also allowing for formation of finer, sharper convex parts so that embossed patterns with clearly defined concave/convex parts can be formed, on demand, without requiring an etching process or brushing process, and by means of inkjet printing using any known devices, in order to form an embossed surface. As a solution, a digital embossing creation method using active energy ray curable inkjet ink compositions is provided, wherein the digital embossing formation method comprises: having a first active energy ray curable inkjet ink composition landed on a substrate surface in the form of liquid droplets of 10.0 pl or greater in volume per droplet, and then irradiated with an active energy ray for pinning, to form a first layer; and next, having a second active energy ray curable inkjet ink composition landed on the first layer in the form of liquid droplets of 10.0 pl or greater in volume per droplet, and then irradiated with an active energy ray for pinning, to form a second layer; and wherein the digital embossing creation method further satisfies condition 1 and condition 2 below:
condition 1: the first and second active energy ray curable inkjet ink compositions have a viscosity of 14.0 cps (25°C) or higher; and
condition 2: (surface tension of the second active energy ray curable inkjet ink composition before curing) - (surface tension of the first active energy ray curable inkjet ink composition before curing) is 4.0 mN/m or greater.

13. 发明公开

EP4397726A1 PHOTOCURABLE INK COMPOSITION FOR INKJET PRINTING 审中-公开
公开(公告)号：EP4397726A1
公开(公告)日：2024-07-10
申请号：EP22863976.1
申请日：2022-06-07
申请人： Sakata INX Corporation
发明人： KAWAMOTO, Kenji , FUKE, Kazuhiro , MYOSE, Takuya , NAKASHIMA, Okinori
IPC分类号： C09D11/38
CPC分类号： C09D11/38 , C09D11/30
摘要： An object is to obtain a photocurable inkjet printing ink composition demonstrating not only excellent LED curability and anti-yellowing property but also excellent solubility, while allowing its viscosity to be adjusted to an appropriate level even in the absence of solvent. As a solution, a photocurable inkjet printing ink composition is provided that contains 1.0 to 10.0% by mass of amine-modified oligomers relative to all photopolymerizable components, as well as 1.0 to 40.0 parts by mass of photopolymerization initiators expressed by formula (1) below, and 0.3 to 5.0 parts by mass of thioxanthone-based sensitizers relative to all photopolymerizable components representing 100 parts by mass.

14. 发明公开

EP4190567A1 ACTIVE-ENERGY-RAY-CURABLE INKJET PRINTING INK COMPOSITION 审中-实审
公开(公告)号：EP4190567A1
公开(公告)日：2023-06-07
申请号：EP21850740.8
申请日：2021-07-08
申请人： Sakata INX Corporation
发明人： NAKASHIMA, Okinori , MYOSE, Takuya , KAWABATA, Jun
IPC分类号： B41J2/01 , C09D11/38 , B41M5/00
摘要： An object is to provide an active energy ray-curable inkjet printing ink composition characterized in that the ink composition has low viscosity and no odor, offers excellent storage stability, discharge stability, and curability, and generates no curing wrinkles when cured, while the cured coating film exhibits excellent bending tolerance property, rub resistance, and water resistance. A solution is an active energy ray-curable inkjet ink composition satisfying requirements A to D below:
A: an amine-modified oligomer is contained by 1.0 to 20.0% by mass in all active energy ray-polymerizable components;
B: alkoxy group-containing (meth)acrylates are contained by 2.0 to 20.0% by mass in all active energy ray-polymerizable components;
C: a (meth)acrylate containing an alkyl group with 10 to 20 carbon atoms is contained by 2.0 to 25.0% by mass in all active energy ray-polymerizable components; and
D: at least one type selected from the group that consists of 1,6-hexanediol diacrylate, 3-methyl-1,5-pentanediol diacrylate, dipropylene glycol diacrylate, propoxylated(2)neopentyl glycol diacrylate, 1,10-decanediol diacrylate, and hydroxypivalic acid neopentyl glycol diacrylate is contained by 30.0 to 60.0% by mass in all active energy ray-polymerizable components.

15. 发明公开

EP3904469A1 PHOTOCURABLE INK COMPOSITION FOR INKJET PRINTING 审中-实审
公开(公告)号：EP3904469A1
公开(公告)日：2021-11-03
申请号：EP19904799.4
申请日：2019-10-01
申请人： Sakata INX Corporation
发明人： NAKASHIMA, Okinori , MYOSE, Takuya , FUKE, Kazuhiro
IPC分类号： C09D11/30
摘要： Disclosed is an ink composition for photo-curable ink jet printing, comprising (A) at least one selected from the group consisting of hexanediol acrylate, 3-methyl-1,5-pentanediol diacrylate, dipropylene glycol diacrylate, and hydroxy pivalic acid neopentyl glycol diacrylate, (B) at least one of vinyl amide monomer and acryloyl amine monomer, (C) an acrylated amine compound having two photopolymerizable functional groups and two amino groups in a molecule, (D) a monofunctional monomer (excluding vinyl amide monomer which is the (B) component), and a photopolymerization initiator, wherein a content of the (A) component is 40 to 70% by mass, wherein a content of the (B) component is 5 to 30% by mass, wherein a content of the (C) component is 0.1 to 15% by mass, and wherein a viscosity is 200 mPa·s or less.

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