JP2022094306A5 - - Google Patents
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- JP2022094306A5 JP2022094306A5 JP2021165638A JP2021165638A JP2022094306A5 JP 2022094306 A5 JP2022094306 A5 JP 2022094306A5 JP 2021165638 A JP2021165638 A JP 2021165638A JP 2021165638 A JP2021165638 A JP 2021165638A JP 2022094306 A5 JP2022094306 A5 JP 2022094306A5
- Authority
- JP
- Japan
- Prior art keywords
- pigment yellow
- resin
- less
- ink according
- cumulative
- 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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- 239000002245 particle Substances 0.000 claims 26
- 229940067265 pigment yellow 138 Drugs 0.000 claims 17
- 239000011347 resin Substances 0.000 claims 17
- 229920005989 resin Polymers 0.000 claims 17
- 230000001186 cumulative effect Effects 0.000 claims 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 12
- 239000000049 pigment Substances 0.000 claims 11
- 239000002253 acid Substances 0.000 claims 6
- 239000002270 dispersing agent Substances 0.000 claims 3
- 238000000034 method Methods 0.000 claims 2
Claims (19)
前記顔料が、C.I.ピグメントイエロー74及びC.I.ピグメントイエロー138を含み、
前記C.I.ピグメントイエロー138の体積基準の粒度分布の累積50%粒径が、85nm以下であり、
前記C.I.ピグメントイエロー138の体積基準の粒度分布の累積50%粒径が、前記C.I.ピグメントイエロー74の体積基準の粒度分布の累積50%粒径に対する比率で、0.72倍以下であることを特徴とする水性インク。 A water-based inkjet ink containing a pigment and a resin dispersant for dispersing the pigment,
The pigments include C.I. Pigment Yellow 74 and C.I. Pigment Yellow 138;
The C.I. Pigment Yellow 138 has a cumulative 50% particle size of 85 nm or less in a volume-based particle size distribution;
The ratio of the cumulative 50% particle diameter of the volume-based particle size distribution of the C.I. Pigment Yellow 138 to the cumulative 50% particle diameter of the volume-based particle size distribution of the C.I. Pigment Yellow 74 is 0.72 or less.
前記樹脂Bの重量平均分子量が、前記樹脂Aの重量平均分子量に対する比率で、1.0倍以上である請求項1乃至8のいずれか1項に記載の水性インク。 The resin dispersant includes a resin A that disperses the C.I. Pigment Yellow 74 and a resin B that disperses the C.I. Pigment Yellow 138;
9. The water-based ink according to claim 1, wherein the weight average molecular weight of the resin B is 1.0 times or more the weight average molecular weight of the resin A.
前記樹脂Bの酸価(mgKOH/g)が、前記樹脂Aの酸価(mgKOH/g)に対する比率で、1.0倍以上である請求項1乃至10のいずれか1項に記載の水性インク。 The resin dispersant includes a resin A that disperses the C.I. Pigment Yellow 74 and a resin B that disperses the C.I. Pigment Yellow 138;
11. The water-based ink according to claim 1, wherein the acid value (mg KOH/g) of the resin B is 1.0 times or more the acid value (mg KOH/g) of the resin A.
前記インクが、請求項1乃至17のいずれか1項に記載の水性インクであることを特徴とするインクカートリッジ。 An ink cartridge including an ink and an ink storage section for storing the ink,
18. An ink cartridge, wherein the ink is a water-based ink according to claim 1.
前記インクが、請求項1乃至17のいずれか1項に記載の水性インク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 for recording an image on a recording medium by ejecting ink from an inkjet recording head, comprising:
18. An ink-jet recording method, wherein the ink is a water-based ink according to claim 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/542,548 US12084584B2 (en) | 2020-12-14 | 2021-12-06 | Aqueous ink, ink cartridge and ink jet recording method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020206947 | 2020-12-14 | ||
JP2020206947 | 2020-12-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022094306A JP2022094306A (en) | 2022-06-24 |
JP2022094306A5 true JP2022094306A5 (en) | 2024-10-11 |
Family
ID=82091519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021165638A Pending JP2022094306A (en) | 2020-12-14 | 2021-10-07 | Aqueous ink, ink cartridge, and inkjet recording method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2022094306A (en) |
-
2021
- 2021-10-07 JP JP2021165638A patent/JP2022094306A/en active Pending
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