JP2019072998A5 - - Google Patents

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JP2019072998A5
JP2019072998A5 JP2018157320A JP2018157320A JP2019072998A5 JP 2019072998 A5 JP2019072998 A5 JP 2019072998A5 JP 2018157320 A JP2018157320 A JP 2018157320A JP 2018157320 A JP2018157320 A JP 2018157320A JP 2019072998 A5 JP2019072998 A5 JP 2019072998A5
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mass
mpa
water
ink
recording method
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JP2018157320A
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JP2019072998A (en
JP7175673B2 (en
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Priority to US16/138,432 priority Critical patent/US10654288B2/en
Priority to EP18197901.4A priority patent/EP3473447B1/en
Priority to CN201811210899.4A priority patent/CN109664614B/en
Publication of JP2019072998A publication Critical patent/JP2019072998A/en
Publication of JP2019072998A5 publication Critical patent/JP2019072998A5/ja
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Claims (16)

記録ヘッドから水性インクを吐出して、第１面及び第２面を持った記録媒体に画像を記録する記録工程を有するインクジェット記録方法であって、
前記記録工程の後に、さらに、前記第１面及び前記第２面のうち後に記録した面を重力方向の下側にして排紙する排紙工程を有し、
前記水性インクの粘度η１（ｍＰａ・ｓ）が、５．０ｍＰａ・ｓ以上であり、前記水性インクの２０質量％を蒸発させた蒸発インクの粘度η２（ｍＰａ・ｓ）と、前記水性インクの粘度η１（ｍＰａ・ｓ）の差η２−η１が、４．０ｍＰａ・ｓ以上であることを特徴とするインクジェット記録方法。 An inkjet recording method comprising a recording step of ejecting water-based ink from a recording head and recording an image on a recording medium having a first surface and a second surface.
After the recording step, there is further a paper ejection step of ejecting the paper with the later recorded surface of the first surface and the second surface on the lower side in the direction of gravity.
The viscosity η 1 (mPa · s) of the water-based ink is 5.0 mPa · s or more, and the viscosity η 2 (mPa · s) of the evaporated ink obtained by evaporating 20% by mass of the water-based ink and the water-based ink. the ink jet recording method, wherein a difference eta 2 eta 1 of viscosity η 1 (mPa · s) is is 4.0 mPa · s or more. 前記水性インク中の水の含有量（質量％）が、インク全質量を基準として、６６．０質量％以下である請求項１に記載のインクジェット記録方法。 The inkjet recording method according to claim 1, wherein the content (mass%) of water in the water-based ink is 66.0% by mass or less based on the total mass of the ink. 前記水性インク中の水の含有量（質量％）が、インク全質量を基準として、３５．０質量％以上６５．０質量％以下である請求項１又は２に記載のインクジェット記録方法。The inkjet recording method according to claim 1 or 2, wherein the content (% by mass) of water in the water-based ink is 35.0% by mass or more and 65.0% by mass or less based on the total mass of the ink. 前記水性インクの粘度ηViscosity η of the water-based ink １1 （ｍＰａ・ｓ）が、１５．０ｍＰａ・ｓ以下である請求項１乃至３のいずれか１項に記載のインクジェット記録方法。The inkjet recording method according to any one of claims 1 to 3, wherein (mPa · s) is 15.0 mPa · s or less. 前記蒸発インクの粘度ηViscosity η of the evaporated ink ２2 （ｍＰａ・ｓ）が、９．０ｍＰａ・ｓ以上２５．０ｍＰａ・ｓ以下である請求項１乃至４のいずれか１項に記載のインクジェット記録方法。The inkjet recording method according to any one of claims 1 to 4, wherein (mPa · s) is 9.0 mPa · s or more and 25.0 mPa · s or less. 前記蒸発インクの粘度ηViscosity η of the evaporated ink ２2 （ｍＰａ・ｓ）と、前記水性インクの粘度η(MPa · s) and the viscosity η of the water-based ink １1 （ｍＰａ・ｓ）の差ηDifference in (mPa · s) η ２2 −η−η １1 が、１５．０ｍＰａ・ｓ以下である請求項１乃至５のいずれか１項に記載のインクジェット記録方法。The inkjet recording method according to any one of claims 1 to 5, wherein is 15.0 mPa · s or less. 前記水性インクが、２５℃で固体である多価アルコール化合物を含有し、
前記水性インク中の前記多価アルコール化合物の含有量（質量％）が、インク全質量を基準として、１０．０質量％以上である請求項１乃至６のいずれか１項に記載のインクジェット記録方法。 The water-based ink contains a polyhydric alcohol compound that is solid at 25 ° C.
The inkjet recording method according to any one of claims 1 to 6, wherein the content (mass%) of the polyhydric alcohol compound in the water-based ink is 10.0% by mass or more based on the total mass of the ink. .. 前記水性インク中の前記多価アルコール化合物の含有量（質量％）が、インク全質量を基準として、３５．０質量％以下である請求項７に記載のインクジェット記録方法。The inkjet recording method according to claim 7, wherein the content (mass%) of the polyhydric alcohol compound in the water-based ink is 35.0% by mass or less based on the total mass of the ink. 前記水性インクが、アルキレンオキサイド基を有するユニットを含む樹脂粒子を含有し、
前記樹脂粒子中の前記アルキレンオキサイド基を有するユニットの占める割合（質量％）が、３．０質量％以上である請求項７又は８に記載のインクジェット記録方法。 The water-based ink contains resin particles containing a unit having an alkylene oxide group.
The inkjet recording method according to claim 7 or 8 , wherein the proportion (mass%) of the unit having an alkylene oxide group in the resin particles is 3.0% by mass or more. 前記樹脂粒子中の前記アルキレンオキサイド基を有するユニットの占める割合（質量％）が、１０．０質量％以下である請求項９に記載のインクジェット記録方法。The inkjet recording method according to claim 9, wherein the proportion (mass%) of the unit having an alkylene oxide group in the resin particles is 10.0% by mass or less. 前記アルキレンオキサイド基を有するユニットが、８個以上のアルキレンオキサイド基を有するモノマーに由来するユニットである請求項９又は１０に記載のインクジェット記録方法。 The inkjet recording method according to claim 9 or 10 , wherein the unit having an alkylene oxide group is a unit derived from a monomer having 8 or more alkylene oxide groups. 前記樹脂粒子の表面電荷量（μｍｏｌ／ｇ）が、５００μｍｏｌ／ｇ以下である請求項９乃至１１のいずれか１項に記載のインクジェット記録方法。 The inkjet recording method according to any one of claims 9 to 11, wherein the surface charge amount (μmol / g) of the resin particles is 500 μmol / g or less. 前記水性インク中の、前記樹脂粒子の含有量（質量％）が、前記多価アルコール化合物の含有量（質量％）に対する質量比率で、０．２５倍以上１．００倍以下である請求項９乃至１２のいずれか１項に記載のインクジェット記録方法。 Wherein the aqueous ink, the content of the resin particles (wt%) is, in mass ratio with respect to the content (mass%) of the polyhydric alcohol compound, according to claim 9 or less 1.00 times 0.25 times The inkjet recording method according to any one of 12 to 12. 前記記録媒体が、コート層を有しない紙基材の記録媒体である請求項１乃至１３のいずれか１項に記載のインクジェット記録方法。The inkjet recording method according to any one of claims 1 to 13, wherein the recording medium is a paper-based recording medium having no coat layer. 前記記録ヘッドが、ラインヘッドである請求項１乃至１４のいずれか１項に記載のインクジェット記録方法。The inkjet recording method according to any one of claims 1 to 14, wherein the recording head is a line head. 記録ヘッドから水性インクを吐出して、第１面及び第２面を持った記録媒体に画像を記録するために用いるインクジェット記録装置であって、
前記第１面及び前記第２面のうち後に記録した面を重力方向の下側にして排紙する裏面排紙機構を備え、
前記水性インクの粘度η１（ｍＰａ・ｓ）が、５．０ｍＰａ・ｓ以上であり、前記水性インクの２０質量％を蒸発させた蒸発インクの粘度η２（ｍＰａ・ｓ）と、前記水性インクの粘度η１（ｍＰａ・ｓ）の差η２−η１が、４．０ｍＰａ・ｓ以上であることを特徴とするインクジェット記録装置。 An inkjet recording device used for ejecting water-based ink from a recording head and recording an image on a recording medium having a first surface and a second surface.
A backside paper ejection mechanism for ejecting paper with the later recorded surface of the first surface and the second surface set to the lower side in the direction of gravity is provided.
The viscosity η 1 (mPa · s) of the water-based ink is 5.0 mPa · s or more, and the viscosity η 2 (mPa · s) of the evaporated ink obtained by evaporating 20% by mass of the water-based ink and the water-based ink. the difference eta 2 eta 1 of viscosity η 1 (mPa · s) of the ink-jet recording apparatus characterized by at 4.0 mPa · s or more.
JP2018157320A 2017-10-17 2018-08-24 Inkjet recording method and inkjet recording apparatus Active JP7175673B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/138,432 US10654288B2 (en) 2017-10-17 2018-09-21 Ink jet recording method and ink jet recording apparatus
EP18197901.4A EP3473447B1 (en) 2017-10-17 2018-10-01 Ink jet recording method and apparatus
CN201811210899.4A CN109664614B (en) 2017-10-17 2018-10-17 Ink jet recording method and ink jet recording apparatus

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JP2017200732 2017-10-17
JP2017200732 2017-10-17

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JP2019072998A5 true JP2019072998A5 (en) 2021-09-09
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JP7322322B1 (en) 2022-02-09 2023-08-07 株式会社Adeka Storage method for reactive emulsifier
WO2023153425A1 (en) * 2022-02-09 2023-08-17 株式会社Adeka Reactive emulsifying agent-containing composition and method for storing reactive emulsifying agent

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JP2007196466A (en) * 2006-01-25 2007-08-09 Ricoh Co Ltd Ink-jet recorder and ink-jet recording method
JP2008137365A (en) * 2006-12-05 2008-06-19 Canon Inc Liquid composition, set, and image recording method
JP5380959B2 (en) * 2008-09-05 2014-01-08 株式会社リコー Ink jet recording ink and ink jet recording method
JP2010248477A (en) * 2009-03-25 2010-11-04 Seiko Epson Corp Ink composition and recording method using the same, recorded matter
US20110279515A1 (en) * 2010-05-11 2011-11-17 Toshiba Tec Kabushiki Kaisha Aqueous inkjet ink
US20120033010A1 (en) * 2010-08-04 2012-02-09 Toshiba Tec Kabushiki Kaisha Aqueous inkjet ink
JP5927104B2 (en) * 2012-11-19 2016-05-25 東芝テック株式会社 Aqueous inkjet ink and inkjet recording apparatus
JP2016079359A (en) * 2014-10-22 2016-05-16 京セラドキュメントソリューションズ株式会社 Inkjet ink and inkjet recording system
WO2016104505A1 (en) * 2014-12-24 2016-06-30 花王株式会社 Process for producing pigment-containing modified polymer particles
JP5967496B2 (en) * 2015-02-09 2016-08-10 セイコーエプソン株式会社 Ink composition for inkjet recording

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