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公开(公告)号:US20170218216A1
公开(公告)日:2017-08-03
申请号:US15409868
申请日:2017-01-19
Applicant: Seiko Epson Corporation
Inventor: Kenichiro KUBOTA , Makoto NAGASE , Jun ITO , Naoki KOIKE , Keiji IIDA
IPC: C09D11/40 , B41J2/01 , C09D11/106 , C09D11/322 , C09D11/36
CPC classification number: C09D11/40 , B41J2/01 , C09D11/106 , C09D11/322 , C09D11/36
Abstract: An ink composition set has at least a solvent-based orange ink composition containing an orange pigment as a pigment and a solvent and a solvent-based red ink composition containing a red pigment as a pigment and a solvent.
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公开(公告)号:US20170165966A1
公开(公告)日:2017-06-15
申请号:US15357080
申请日:2016-11-21
Applicant: Seiko Epson Corporation
Inventor: Jun ITO , Kenichiro KUBOTA , Naoki KOIKE , Keiji IIDA
IPC: B41J2/14 , C09D11/322 , C09D11/36
CPC classification number: B41J2/1433 , B41J2/14233 , B41J2202/11 , C09D11/322 , C09D11/36
Abstract: An ink jet recording method including causing ink to adhere to a recording medium by ejecting an ink composition using a print head provided with a nozzle, a pressure chamber, and a connection portion which connects the pressure chamber and the nozzle to each other at a length of 500 μm or more, in which the ink composition includes a coloring material and a solvent represented by General Formula (1) below at 30 mass % or more with respect to a total mass of the ink composition, R1O—(R2O)n—R3 (1) (in General Formula (1), R1 and R3 each independently represent a hydrogen or an alkyl group with 1 to 5 carbon atoms and at least one of R1 and R3 is an alkyl group with 1 to 5 carbon atoms, R2 represents an alkylene group with 2 to 4 carbon atoms, and n represents an integer of 1 to 6).
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公开(公告)号:US20210122166A1
公开(公告)日:2021-04-29
申请号:US17142406
申请日:2021-01-06
Applicant: Seiko Epson Corporation
Inventor: Keiji IIDA , Kenichiro KUBOTA , Naoki KOIKE , Jun ITO , Makoto NAGASE
IPC: B41J2/21 , C09D11/322 , C09D11/40 , C09D11/36
Abstract: A non-aqueous ink jet ink composition is provided that can form an image having excellent weather resistance, abrasion resistance, and coloring property. The non-aqueous ink jet ink composition includes a cyclic ester compound, at least one first solvent represented by the following General Formula (1) and having a flash point of 140° C. or lower: R1O—(R2O)m—R3, a second solvent represented by the General Formula (1), and C.I. Pigment Orange-43 (PO-43) as a pigment. In the at least one first solvent represented by General Formula (1), R1 and R3 each independently represent hydrogen or an alkyl group having 1 to 5 carbon atoms, R2 represents an alkylene group having 2 or 3 carbon atoms, and m represents an integer of 2 to 6. The second solvent represented by General Formula (1) includes a glycol monoether compound in which at least one of R1 and R3 is hydrogen. A volume average particle diameter of the PO-43 is 100 nm or more and 400 nm or less.
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公开(公告)号:US20180037761A1
公开(公告)日:2018-02-08
申请号:US15551770
申请日:2016-01-25
Applicant: Seiko Epson Corporation
Inventor: Keiji IIDA , Kenichiro KUBOTA , Naoki KOIKE , Jun ITO , Makoto NAGASE
IPC: C09D11/36 , C09D11/40 , B41J2/21 , C09D11/322
Abstract: An ink jet ink composition is provided that can form an image having excellent weather resistance, abrasion resistance, and coloring property. The non-aqueous ink jet ink composition includes at least one solvent represented by R1O—(R2O)m—R3 and having a flash point of 140° C. or lower and C.I. Pigment Orange-43 (PO-43) as a pigment, wherein R1 and R3 each independently represent hydrogen or an alkyl group having 1 to 5 carbon atoms, R2 represents an alkylene group having 2 or 3 carbon atoms, and m represents an integer of 2 to 6.
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公开(公告)号:US20240318016A1
公开(公告)日:2024-09-26
申请号:US18612098
申请日:2024-03-21
Applicant: SEIKO EPSON CORPORATION
Inventor: Keiji IIDA , Ippei OKUDA , Keigo ANDO
CPC classification number: C09D9/005 , B41J2/16552
Abstract: Provided is an aqueous maintenance liquid for use in maintenance of an ink jet recording apparatus ejecting an ink composition. The ink composition is an aqueous ink composition containing a coloring material. The maintenance liquid contains an organic amine and an organic solvent other than the organic amine. The organic solvent contains Polyol A with a normal boiling point of 250° C. or lower. The content of Polyol A is greater than 20.0% by mass with respect to the total amount of the maintenance liquid. The content of the organic amine is 0.3% by mass or more with respect to the total amount of the maintenance liquid. The total content of the organic solvent is less than 30.0% by mass with respect to the total amount of the maintenance liquid. The organic solvent does not contain Polyol B with a normal boiling point of higher than 250° C. in an amount of greater than 1.0% by mass with respect to the total amount of the maintenance liquid.
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公开(公告)号:US20180273783A1
公开(公告)日:2018-09-27
申请号:US15915372
申请日:2018-03-08
Applicant: Seiko Epson Corporation
Inventor: Keiji IIDA , Tomohito NAKANO , Keisuke MORITA
IPC: C09D11/30 , C09D11/033 , C09D11/102 , B41J2/01
CPC classification number: B41J2/2107 , B41J2/01 , C09D11/033 , C09D11/102 , C09D11/30 , C09D11/322 , C09D11/38
Abstract: An aqueous ink composition contains: an alkanediol having a normal boiling point of 240° C. or higher; polyoxyethylene mono(2-ethylhexyl) ether having a carbon number of 14 or more and 22 or less; and water, in which a content of the polyoxyethylene mono(2-ethylhexyl) ether having a carbon number of 14 or more and 22 or less is 0.4% by mass or lower based on the total amount of the aqueous ink composition.
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公开(公告)号:US20130293643A1
公开(公告)日:2013-11-07
申请号:US13852449
申请日:2013-03-28
Applicant: SEIKO EPSON CORPORATION
Inventor: Tomoki SHINODA , Akihito SAO , Keiji IIDA , Makoto NAGASE , Miho NAKAMURA , Kenichiro KUBOTA
CPC classification number: C09D11/38 , B41J2/17556 , B41J2/17596 , C09D11/10 , C09D11/32
Abstract: Disclosed is ink composition used in a recording apparatus provided with a pressure regulation valve which performs opening and closing operations to adjust a pressure in a recording head and is covered with an elastic member. The ink composition includes a slip agent and a lactone system medium. The slip agent is preferably at least one kind selected from a group consisting of a silicon system compound, a hydrocarbon system compound, a fluorine system compound, an amide system compound, and acrylic compound. In addition, the content of the slip agent is preferably not more than 1% by mass.
Abstract translation: 公开了一种用于设置有压力调节阀的记录装置中的油墨组合物,其执行打开和关闭操作以调节记录头中的压力并被弹性构件覆盖。 油墨组合物包括滑爽剂和内酯体系介质。 滑爽剂优选为选自硅系化合物,烃系化合物,氟系化合物,酰胺系化合物和丙烯酸类化合物中的至少一种。 另外,滑爽剂的含量优选为1质量%以下。
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公开(公告)号:US20180057701A1
公开(公告)日:2018-03-01
申请号:US15551243
申请日:2016-01-22
Applicant: Seiko Epson Corporation
Inventor: Kenichiro KUBOTA , Naoki KOIKE , Keiji IIDA , Jun ITO , Shugo HATTORI
IPC: C09D11/36 , B41J2/01 , C09D11/322 , C09D11/40
Abstract: An ink jet ink composition is provided that can form an image having excellent weather resistance, abrasion resistance, and coloring property. The non-aqueous ink jet ink composition includes a solvent containing at least one cyclic ester compound; and C.I. Pigment Orange-43 (PO-43) as a pigment.
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公开(公告)号:US20160263899A1
公开(公告)日:2016-09-15
申请号:US15064759
申请日:2016-03-09
Applicant: Seiko Epson Corporation
Inventor: Jun ITO , Makoto NAGASE , Kenichiro KUBOTA , Naoki KOIKE , Keiji IIDA
IPC: B41J2/165
CPC classification number: B41J2/16535 , B41J2/16517 , B41J2/16552 , B41J2002/1655
Abstract: Provided is a method for maintaining an ink jet recording apparatus according to the invention in an ink jet recording apparatus which performs recording using a solvent-based ink composition which includes at least one type of organic solvent selected from a group consisting of an ester-based solvent, a hydrocarbon-based solvent, and an alcohol-based solvent, the method including wiping a nozzle forming member, in which nozzles of a head which discharges the solvent-based ink composition are formed, using an impregnation solution and a wiping member with liquid absorbency, in which the impregnation solution contains at least one type of organic solvent selected from a group consisting of a compound which is represented by General Formula (1) below, esters, and dibasic acid esters, R1—O—(R2—O)n—R3 (1) (in General Formula (1) described above, R1 represents a hydrogen atom, an aryl group, or an alkyl group with 1 to 6 carbon atoms, R2 represents an alkylene group with 2 to 4 carbon atoms, R3 represents an aryl group or an alkyl group with 1 to 6 carbon atoms, and n represents an integer of 1 to 9).
Abstract translation: (上述通式(1)中,R 1表示氢原子,芳基或碳原子数1〜6的烷基,R 2表示碳原子数2〜4的亚烷基,R 3表示芳基或 具有1至6个碳原子的烷基,n表示1至9的整数)。
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公开(公告)号:US20160222235A1
公开(公告)日:2016-08-04
申请号:US15013114
申请日:2016-02-02
Applicant: Seiko Epson Corporation
Inventor: Keiji IIDA , Kenichiro KUBOTA , Jun ITO , Naoki KOIKE , Makoto NAGASE
IPC: C09D11/322 , C09D11/106 , C09D11/36
Abstract: A non-aqueous ink jet ink composition contains C.I. Pigment Orange 43 as a pigment and one or more kinds of compounds represented by the following general formula (1) as a solvent and the content of water contained in the ink composition is 0.1% by mass or more and 2% by mass or less, R1O—(R2O)m—R3 (1). In general formula (1), R1 and R3 each independently represent hydrogen or an alkyl group in which the number of carbon atoms is 1 or more and 4 or less. At least one of R1 and R3 is an alkyl group in which the number of carbon atoms is 1 or more and 4 or less. R2 represents an alkylene group having 2 or 3 carbon atoms. m represents an integer of 2 or 3.
Abstract translation: 非水性喷墨油墨组合物含有C.I. 作为颜料的颜料橙43和由以下通式(1)表示的一种或多种化合物作为溶剂,油墨组合物中所含的水分含量为0.1质量%以上2质量%以下, R1O-(R2O)m -R3(1)。 在通式(1)中,R 1和R 3各自独立地表示氢或碳原子数为1以上且4以下的烷基。 R 1和R 3中的至少一个是碳原子数为1以上且4以下的烷基。 R2表示具有2或3个碳原子的亚烷基。 m表示2或3的整数。
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