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1. 发明公开

EP4365250A1 MIGRATION-PREVENTING COATING AGENT 审中-实审
公开(公告)号：EP4365250A1
公开(公告)日：2024-05-08
申请号：EP22832456.2
申请日：2022-03-09
申请人： Sakata INX Corporation
发明人： NAKASHIMA, Okinori , OHKI, Makoto , MYOSE, Takuya , FUKE, Kazuhiro
IPC分类号： C09D129/04 , B32B27/30 , C09D5/00 , C09D7/61 , C09D7/63 , C09D11/101
CPC分类号： Y02W90/10 , C09D7/61 , C09D7/63 , C09D5/00 , B32B27/30 , C09D129/04 , C09D11/101
摘要： An object is to form a layer capable of dependably preventing a migration of ink compositions. As a solution, an anti-migration coating agent is provided that contains a polyvinyl alcohol-based copolymer resin having a structural unit expressed by formula (1) below in the molecule (component A), and a polyvinyl alcohol-based (co)polymer resin having carbonyl groups in the molecule (component B).

(In formula (1), R1 and R2 each independently represent a hydrocarbon group with 1 to 3 carbon atoms.)

2. 发明公开

EP4190565A1 ACTIVE-ENERGY-RAY-CURABLE INKJET PRINTING INK COMPOSITION 审中-实审
公开(公告)号：EP4190565A1
公开(公告)日：2023-06-07
申请号：EP21848874.0
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 jet printing ink composition using plant-derived materials, and another object is to provide an active energy ray-curable inkjet printing ink composition characterized by very little odor, low viscosity, excellent active energy ray curability, absence of curing wrinkles in the cured film, as well as excellent curability and bending tolerance property. As a solution, an active energy ray-curable inkjet printing ink composition satisfying requirements (A) to (E) below is provided, where the total content of (D) and (E) accounts for 30.0 to 60.0% by mass in the active energy ray-curable inkjet printing ink composition:
(A) an acrylated amine compound having two photopolymerizable functional groups and two amino groups in a molecule is contained by 1.0 to 20.0% by mass in the active energy ray-curable inkjet printing ink composition;
(B) alkoxy group-containing (meth)acrylate monomers are contained by 2.0 to 20.0% by mass in the active energy ray-curable inkjet printing ink composition;
(C) a (meth)acrylate monomer containing an alkyl group with 10 to 20 carbon atoms is contained by 2.0 to 25.0% by mass in the active energy ray-curable inkjet printing ink composition;
(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, and hydroxypivalic acid neopentyl glycol diacrylate is contained by 5.0 to 25.0% by mass in the active energy ray-curable inkjet printing ink composition; and
(E) a plant oil-derived 1,10-decanediol diacrylate is contained by 10.0 to 40.0% by mass in the active energy ray-curable inkjet printing ink composition.

3. 发明公开

EP4253484A1 ACTIVE ENERGY RAY-CURABLE INK COMPOSITION FOR INKJET 审中-实审
公开(公告)号：EP4253484A1
公开(公告)日：2023-10-04
申请号：EP21897436.8
申请日：2021-08-31
申请人： Sakata INX Corporation
发明人： NAKASHIMA, Okinori , MYOSE, Takuya , KAWABATA, Jun , FUKE, Kazuhiro
IPC分类号： C09D4/02 , C09D11/30
摘要： An object is to provide an active energy ray-curable inkjet ink composition that can form a film having excellent adhesion property on various types of base materials and can be cured with LEDs, wherein its cured film also offers high hardness as well as excellent rub resistance and water resistance. As a solution, an active energy ray-curable inkjet ink composition satisfying all of requirements (A) to (F) below is provided:
(A) a polyfunctional amine-modified oligomer is contained by 0.2 to 14.0% by mass in the total quantity of all polymerizable components;
(B) monofunctional monomers are contained by 50.0% by mass or more in the total quantity of all polymerizable components;
(C) a monofunctional monomer with a glass transition temperature of 20°C or higher is contained by 30.0% by mass or more in the total quantity of all polymerizable components;
(D) a monofunctional monomer with a glass transition temperature of 10°C or lower is contained by 20.0% by mass or more in the total quantity of all polymerizable components;
(E) a polyfunctional monomer with a glass transition temperature of 10°C or lower is contained by 3.0 to 12.0% by mass in the total quantity of all polymerizable components; and
(F) a nitrogen-containing monofunctional monomer is contained by 30.0 to 50.0% by mass in the total quantity of all polymerizable components.
(However, the following case is excluded:
A photocurable inkjet printing ink composition satisfying requirements A to E:
A. 3,3,5-trimethylcyclohexyl acrylate is contained by 5 to 50% by mass in all photopolymerizable compounds;
B. a polyfunctional monomer and/or polyfunctional oligomer with a glass transition temperature of 10°C or lower are/is contained by 1 to 15% by mass in all photopolymerizable compounds;
C. monofunctional monomers are contained by a total of 40% by mass or more in all photopolymerizable compounds;
D. an amino group and/or amide group-containing monomer and/or oligomer are/is contained; and
E. a viscosity of the ink composition is 10 mPa•s or lower at 25°C.)

4. 发明公开

EP4190566A1 ACTINIC RAY CURABLE INK COMPOSITION FOR INKJET PRINTING 审中-实审
公开(公告)号：EP4190566A1
公开(公告)日：2023-06-07
申请号：EP21849236.1
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 that can demonstrate the effects of low viscosity, with its coating film generating no odor once cured while exhibiting excellent curability and no tackiness, and cured coating film demonstrating excellent bending tolerance property, abrasion resistance, and water resistance. As a solution, an active energy ray-curable inkjet printing ink composition satisfying requirements A to E below is provided:
(A) the content of amine-modified oligomer is 1.0 to 20.0% by mass in the active energy ray-curable inkjet printing ink composition;
(B) alkoxy group-containing (meth)acrylate monomers are contained by 2.0 to 20.0% by mass in the active energy ray-curable inkjet printing ink composition;
(C) (meth)acrylate monomers having an alkyl group with 6 to 20 carbon atoms is contained by 2.0 to 25.0% by mass in the active energy ray-curable inkjet printing ink composition;
(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, 1,10-decanediol diacrylate, propoxylated(2)neopentyl glycol diacrylate, and hydroxypivalic acid neopentyl glycol diacrylate is contained by 30.0 to 60.0% by mass in the active energy ray-curable inkjet printing ink composition;
(E) as photopolymerization initiators, ethoxy(2,4,6-trimethylbenzoyl)phenylphosphine oxide is contained by 3.0 to 15.0% by mass in the active energy ray-curable inkjet printing ink composition, and oligo(2-hydroxy-2-methyl-1-(4-(1-methylvinyl)phenyl)propanone) and/or 2-hydroxy-1 - {4-[4-(2-hydroxy-2-methylpropionyl)phenoxy]phenyl} -2-methylpropanone is/are contained by 2.0 to 10.0% by mass in the active energy ray-curable inkjet printing ink composition, where the total content of photopolymerization initiators is 6.0 to 25.0% by mass in the active energy ray-curable inkjet printing ink composition.

5. 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.

6. 发明公开

EP4364950A1 ACTINIC RAY-CURABLE INKJET INK COMPOSITION 审中-实审
公开(公告)号：EP4364950A1
公开(公告)日：2024-05-08
申请号：EP22832455.4
申请日：2022-03-09
申请人： Sakata INX Corporation
发明人： NAKASHIMA, Okinori , MYOSE, Takuya , KAWABATA, Jun
IPC分类号： B41J2/01 , C09D11/30 , C09D11/38 , B41M5/00
CPC分类号： C09D11/38 , C09D11/30 , B41J2/01 , B41M5/00
摘要： While inkjet ink compositions designed to reduce migration are known, an object of the present invention is to provide an inkjet ink composition that provides, in addition to the above, sufficient adhesion to resin films as well as excellent LED curability, while allowing for printing on films used for food packaging that are subject to more stringent property requirements. As a solution, an active energy ray-curable inkjet ink composition satisfying all of the requirements of (A) to (E) below is provided.
(A) it contains hydroxy group-containing monofunctional (meth)acrylates by 20.0 to 60.0% by mass in the total amount of all polymerizable components.
(B) it contains polyfunctional monomers having ether bonds.
(C) it contains amine-modified oligomers by 10.0 to 50.0% by mass in the total amount of all polymerizable components.
(D) it contains ethyl phenyl(2,4,6-trimethylbenzoyl)phosphinate as a polymerization initiator.
(E) it contains polymeric sensitizers.

7. 发明公开

EP3926015A1 PHOTOCURABLE INK COMPOSITION FOR INKJET PRINTING 审中-实审
公开(公告)号：EP3926015A1
公开(公告)日：2021-12-22
申请号：EP19915009.5
申请日：2019-11-28
申请人： Sakata INX Corporation
发明人： NAKASHIMA, Okinori , MYOSE, Takuya , KAWABATA, Jun
IPC分类号： C09D11/30
摘要： Provided is a photo-curable inkjet printing ink composition, comprising (A) an acrylicated amine compound having two photopolymerizable functional groups and two amino groups in a molecule, (B) a (meth)acrylic monomer having an alkoxy group, and (C) at least one selected from the group consisting of hexanediol acrylate, 3-methyl-1,5-pentanediol diacrylate, dipropylene glycol diacrylate, and neopentyl glycol diacrylate hydroxypivalate, wherein a content of the component (A) is 3 to 18% by mass in the ink composition, wherein a content of the component (B) is 5 to 35% by mass in the ink composition, and wherein a content of the component (C) is 30 to 60% by mass in the ink composition.

8. 发明公开

EP4316848A1 ACTIVE ENERGY RAY-CURABLE INK COMPOSITION FOR INKJET 审中-实审
公开(公告)号：EP4316848A1
公开(公告)日：2024-02-07
申请号：EP21933257.4
申请日：2021-12-14
申请人： Sakata INX Corporation
发明人： NAKASHIMA, Okinori , MYOSE, Takuya , KAWABATA, Jun , OGASAHARA, Koki
IPC分类号： B41J2/01 , C09D11/101 , C09D11/322 , B41M5/00
摘要： An object of the present invention is to obtain an active energy ray-curable inkjet ink composition designed to improve color development property and to be LED curable, and designed so that a cured coating film has high hardness and excellent rub resistance and water resistance. As a solution, the ink composition contains a pigment, a pigment dispersant, and a photopolymerizable compound, wherein the pigment contains Pigment Violet 19 and Pigment Orange 71, and Pigment Violet 19 is 30.0 to 85.0% by mass relative to a total mass of Pigment Violet 19 and Pigment Orange 71, and the photopolymerizable compound satisfies all of the following requirements (A) to (F): (A) a multifunctional amine-modified oligomer is contained by 0.20 to 15.0% by mass in a total amount of all polymerizable components; (B) a monofunctional monomer is contained by 50.0% by mass or more in the total amount of all polymerizable components; (C) a monofunctional monomer whose glass transition temperature is 20°C or more is contained by 35.0% by mass or more in the total amount of all polymerizable components; (D) a monofunctional monomer whose glass transition temperature is 10°C or less is contained by 35.0% by mass or more in the total amount of all polymerizable components; (E) a multifunctional monomer whose glass transition temperature is 10°C or less is contained by 2.0 to 11.0% by mass in the total amount of all polymerizable components; and (F) a nitrogen-containing monofunctional monomer is contained by 10.0 to 25.0% by mass in the total amount of all polymerizable components.

9. 发明公开

EP3421554A1 PHOTOCURABLE INK COMPOSITION FOR INK-JET PRINTING 有权
公开(公告)号：EP3421554A1
公开(公告)日：2019-01-02
申请号：EP17756113.1
申请日：2017-01-31
申请人： Sakata INX Corporation
发明人： NAKASHIMA, Okinori , MYOSE, Takuya , OKAMOTO, Takuya , FUKE, Kazuhiro
IPC分类号： C09D11/30
摘要： An object of the present invention is to provide a photocurable inkjet printing ink composition offering excellent discharge stability, which also exhibits excellent curability, adhesion, and abrasion resistance and of which coating film has little tackiness, exhibits excellent stretchability, and does not crack in post-processing, even when the total light quantity of ultraviolet irradiation energy (especially ultraviolet light from an LED light source) is low (when the total light quantity is 100 mJ/cm 2 or less, for example).
As a means for achieving the object, a photocurable inkjet printing ink composition, containing a photopolymerizable compound and a photopolymerization initiator, is provided wherein the photocurable inkjet printing ink composition is characterized in that 100 percent by mass of the photocurable inkjet printing ink composition includes: an acrylamide-based monomer by 5.0 to 50 percent by mass; a monofunctional monomer other than acrylamide-based monomer by 15 to 70 percent by mass; a polymerizable compound having two or more functionalities by 5.0 to 30.0 percent by mass; vinyl caprolactam by 0.1 to 15 percent by mass and/or an acrylated amine compound having two photopolymerizable functional groups and two amino groups in the molecule by 0 to 10 percent by mass; and the percentage of monofunctional monomers in the photopolymerizable compound is 60 to 99.5 percent by mass..

10. 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.

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