JP2020007411A5 - - Google Patents
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- JP2020007411A5 JP2020007411A5 JP2018127595A JP2018127595A JP2020007411A5 JP 2020007411 A5 JP2020007411 A5 JP 2020007411A5 JP 2018127595 A JP2018127595 A JP 2018127595A JP 2018127595 A JP2018127595 A JP 2018127595A JP 2020007411 A5 JP2020007411 A5 JP 2020007411A5
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- JP
- Japan
- Prior art keywords
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- poe
- pop
- solvent
- alcohol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000000975 dye Substances 0.000 description 4
- -1 metal complex salt Chemical class 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 125000004432 carbon atoms Chemical group C* 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
かかる効果は、発明者の検討によると、溶剤可溶の油溶性染料の中でも金属錯塩染料においてのみ、特異的に発現される。
すなわち、金属錯塩染料以外の他の油溶性染料は、第二溶剤の比率が増加しても、ポリオキシエチレンポリオキシプロピレングリコールとともに析出したり凝集したりすることはなく、被印刷体の表面にしっかり定着されることはない。
According to the study of the inventor, such an effect is specifically exhibited only in the metal complex salt dye among the solvent-soluble oil-soluble dyes.
That is, oil-soluble dyes other than the metal complex salt dye do not precipitate or aggregate together with polyoxyethylene polyoxypropylene glycol even if the ratio of the second solvent is increased, and are not precipitated or aggregated on the surface of the object to be printed. It will not be firmly established.
ＢＡＳＦジャパン(株)製のコリフォールシリーズのうちＰ１８８〔ＰＯＥ(１６０)ＰＯＰ(３０)〕、Ｐ４０７〔ＰＯＥ(１９６)ＰＯＰ(６７)〕、ルトロールシリーズのうちＦ６８〔ＰＯＥ(１６０)ＰＯＰ(３０)〕、Ｆ１２７〔ＰＯＥ(１９６)ＰＯＰ(６７)〕。
中でも、ポリオキシエチレンポリオキシプロピレングリコールとしては、数平均分子量Ｍｎが４５００以下で、かつポリオキシエチレン（ＰＯＥ）含量が４０％以下である化合物が好ましい。
P188 [POE (160) POP (30)], P407 [POE (196) POP (67)] in the Corifol series manufactured by BASF Japan Ltd., and F68 [POE (160) POP (30)] in the Troll series. )], F127 [POE (196) POP (67)].
Among them, as the polyoxyethylene polyoxypropylene glycol, a compound having a number average molecular weight Mn of 4500 or less and a polyoxyethylene (POE) content of 40% or less is preferable.
ただし、炭素数が４以上のアルコールは沸点が高いため、インクジェットインクの吐出性や速乾性が低下して、加熱乾燥工程が必要となるなど、水との差別化が難しくなる。
そのため、第二溶剤としては炭素数が３以下で、かつ引火点Ｆ２が３０℃以下のアルコール、中でも炭素数が２以下で、かつ引火点Ｆ２が２０℃以下であるメタノールおよび／またはエタノール、とくにエタノールを用いるのが好ましい。
However, since alcohol having 4 or more carbon atoms has a high boiling point, the ejection property and quick-drying property of the inkjet ink are lowered, and a heat-drying step is required, which makes it difficult to differentiate from water.
Therefore, as the second solvent , alcohol having a carbon number of 3 or less and a flash point F 2 of 30 ° C. or less, particularly methanol and / or ethanol having a carbon number of 2 or less and a flash point F 2 of 20 ° C. or less. Especially, it is preferable to use ethanol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018127595A JP7086757B2 (en) | 2018-07-04 | 2018-07-04 | Inkjet ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018127595A JP7086757B2 (en) | 2018-07-04 | 2018-07-04 | Inkjet ink |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020007411A JP2020007411A (en) | 2020-01-16 |
| JP2020007411A5 true JP2020007411A5 (en) | 2021-07-26 |
| JP7086757B2 JP7086757B2 (en) | 2022-06-20 |
Family
ID=69150497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018127595A Active JP7086757B2 (en) | 2018-07-04 | 2018-07-04 | Inkjet ink |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7086757B2 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4680332A (en) * | 1986-01-24 | 1987-07-14 | Xerox Corporation | Ink jet compositions and process for preparation thereof |
| JPS63132082A (en) * | 1986-11-25 | 1988-06-04 | Canon Inc | Ink jet recording method |
| JPH0733110B2 (en) * | 1986-11-25 | 1995-04-12 | キヤノン株式会社 | Ink for ink jet and ink jet recording method using the same |
| JP2885780B1 (en) * | 1998-03-31 | 1999-04-26 | 大日本塗料株式会社 | Ink composition for inkjet printing |
| JP5878224B2 (en) * | 2014-04-28 | 2016-03-08 | ゼネラル株式会社 | Inkjet ink |
-
2018
- 2018-07-04 JP JP2018127595A patent/JP7086757B2/en active Active
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