JP2006045519A5 - Ink set, image forming method and image forming apparatus - Google Patents
Ink set, image forming method and image forming apparatus Download PDFInfo
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- JP2006045519A5 JP2006045519A5 JP2005188048A JP2005188048A JP2006045519A5 JP 2006045519 A5 JP2006045519 A5 JP 2006045519A5 JP 2005188048 A JP2005188048 A JP 2005188048A JP 2005188048 A JP2005188048 A JP 2005188048A JP 2006045519 A5 JP2006045519 A5 JP 2006045519A5
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- 239000000976 ink Substances 0.000 claims description 121
- 239000002904 solvent Substances 0.000 claims description 41
- 239000003960 organic solvent Substances 0.000 claims description 18
- 239000003086 colorant Substances 0.000 claims description 12
- 239000012295 chemical reaction liquid Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 2
- 238000004040 coloring Methods 0.000 claims 1
- 230000000875 corresponding Effects 0.000 claims 1
- 230000000368 destabilizing Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 125000003277 amino group Chemical group 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 230000002093 peripheral Effects 0.000 description 3
- LSHROXHEILXKHM-UHFFFAOYSA-N N'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 description 2
- 229920003118 cationic copolymer Polymers 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 230000002209 hydrophobic Effects 0.000 description 2
- OHKNDUMTKVKWHE-UHFFFAOYSA-N 2-(benzenesulfonyl)ethanesulfonic acid Chemical group OS(=O)(=O)CCS(=O)(=O)C1=CC=CC=C1 OHKNDUMTKVKWHE-UHFFFAOYSA-N 0.000 description 1
- 206010018987 Haemorrhage Diseases 0.000 description 1
- 230000000740 bleeding Effects 0.000 description 1
- 231100000319 bleeding Toxicity 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229920000578 graft polymer Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- -1 phenyl (2-sulfoethyl) group Chemical group 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000000087 stabilizing Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Description
更に、本発明の別の目的は、普通紙に互いに異なる色の領域が隣接しているカラー画像記録を行った場合に、各色画像の境界部における混色（ブリード）を有効に抑制することができる画像形成方法及び画像形成装置を提供することにある。 Furthermore, another object of the present invention is to effectively suppress color mixing (bleed) at the boundary between color images when color image recording is performed in which different color areas are adjacent to plain paper. An object is to provide an image forming method and an image forming apparatus .
即ち、本発明にかかるインクセットは、少なくとも、水、水不溶性色材、該水不溶性色材に対する良溶媒及び該水不溶性色材に対する貧溶媒を含む複数の水溶性有機溶剤、をそれぞれ含有する、シアンインク、マゼンタインク、イエローインク、及びブラックインクの４種の水性インクを有するインクセットであって、該シアンインクに含まれる、良溶媒の含有量（質量％）をＡ1、貧溶媒の含有量（質量％）をＢ1としたときに、Ｂ1／Ａ1が０．５以上３．０以下であり、且つ、ブリストウ法によって求められる、前記複数の水溶性有機溶剤の各々のＫａ値のうち最大のＫａ値を示す水溶性有機溶剤が前記貧溶媒であり、該マゼンタインクに含まれる、良溶媒の含有量（質量％）をＡ 2 、貧溶媒の含有量（質量％）をＢ 2 としたときに、Ｂ 2 ／Ａ 2 が０．５以上３．０以下であり、且つ、ブリストウ法によって求められる、前記複数の水溶性有機溶剤の各々のＫａ値のうち最大のＫａ値を示す水溶性有機溶剤が前記貧溶媒であり、該イエローインクに含まれる、良溶媒の含有量（質量％）をＡ 3 、貧溶媒の含有量（質量％）をＢ 3 としたときに、Ｂ 3 ／Ａ 3 が０．５以上３．０以下であり、且つ、ブリストウ法によって求められる、前記複数の水溶性有機溶剤の各々のＫａ値のうち最大のＫａ値を示す水溶性有機溶剤が前記貧溶媒であり、該ブラックインクに含まれる、良溶媒の含有量（質量％）をＡ 4 、貧溶媒の含有量（質量％）をＢ 4 としたときに、Ｂ 4 ／Ａ 4 が０．５以上３．０以下であり、且つ、ブリストウ法によって求められる、前記複数の水溶性有機溶剤の各々のＫａ値のうち、最大のＫａ値を示す水溶性有機溶剤が前記貧溶媒であることを特徴とする。 That is, the ink set according to the present invention contains at least water, a water-insoluble colorant, a plurality of water-soluble organic solvents including a good solvent for the water-insoluble colorant and a poor solvent for the water-insoluble colorant, cyan ink, magenta ink, yellow ink, and an ink set having four kinds of aqueous inks of black ink, contained in the cyan ink, the content of the good solvent (mass%) a 1, containing the poor solvent when the amount (mass%) and B 1, B 1 / a 1 is from 0.5 to 3.0, and is determined by the Bristow method, each of the Ka values of the plurality of water-soluble organic solvent water-soluble organic solvent is the poor solvent der showing the maximum Ka value among the is, included in the magenta ink, the content of the good solvent (mass%) a 2, the content of the poor solvent (mass%) when the B 2, B 2 / A 2 is 0.5 or more and 3.0 or less, and the water-soluble organic solvent showing the maximum Ka value among the Ka values of each of the plurality of water-soluble organic solvents obtained by the Bristow method is B 3 / A 3 is 0.00 when the content (mass%) of the good solvent contained in the yellow ink is A 3 and the content (mass%) of the poor solvent is B 3 . A water-soluble organic solvent having a maximum Ka value of each of the plurality of water-soluble organic solvents, which is 5 or more and 3.0 or less and is determined by the Bristow method, is the poor solvent, and the black When the content (mass%) of the good solvent contained in the ink is A 4 and the content (mass%) of the poor solvent is B 4 , B 4 / A 4 is 0.5 or more and 3.0 or less. And the Ka value of each of the plurality of water-soluble organic solvents determined by the Bristow method Among water-soluble organic solvent showing the maximum Ka value is wherein the poor solvent der Rukoto.
又、本発明にかかるインクセットは、該インクセットが具備する水性インクを記録媒体に付与する工程、及び該水性インクと接触することによって該水性インク中の水不溶性色材の分散状態を不安定化させる反応液を記録媒体に付与する工程、を有する画像形成方法に用いることを特徴とする。 The ink set according to the present invention includes the steps of applying the aqueous ink said ink set is provided in the recording medium, and a distributed state of the water-insoluble colorant in the aqueous ink upon contact with aqueous ink non It is used for an image forming method having a step of applying a stabilizing reaction liquid to a recording medium.
又、本発明にかかる画像形成方法は、上記のインクセットを用いて行う画像形成方法であって、（ｉ）前記インクセットが具備する、水性インク中の水不溶性色材の分散状態を不安定化させる反応液を、記録媒体上に付与する工程、及び（ｉｉ）該反応液が定着した記録媒体に、前記インクセットが具備する水性インクを付与する工程、を有することを特徴とする。
又、本発明にかかる画像形成方法は、上記のインクセット構成する、ブラックインクによって形成される画像と、シアンインク、マゼンタインク、及びイエローインクから選ばれる少なくとも１色のカラーインクによって形成される画像とが隣接してなる画像を形成する画像形成方法であって、前記ブラックインクを付与する走査を行って画像を形成した後、該画像に隣接する領域に前記少なくとも１色のカラーインクを付与する走査を行って画像を形成することを特徴とする。
又、本発明にかかる画像形成装置は、上記のインクセットを構成する、ブラックインクによって形成される画像と、シアンインク、マゼンタインク、及びイエローインクから選ばれる少なくとも１色のカラーインクによって形成される画像とが隣接してなる画像を形成するための画像形成装置であって、該画像形成装置は、前記ブラックインクを吐出させるための吐出口列と、前記少なくとも１色のカラーインクを吐出させるための吐出口列を備えてなる記録ヘッドを有することを特徴とする。
The image forming method according to the present invention is an image forming method performed using the above ink set, and (i) the dispersion state of the water-insoluble colorant in the water-based ink included in the ink set is unstable. And (ii) applying a water-based ink included in the ink set to a recording medium on which the reaction liquid is fixed.
The image forming method according to the present invention, the ink set configuration above SL is formed and the image formed by the black ink, cyan ink, magenta ink, and by at least color inks selected from a yellow ink An image forming method for forming an image adjacent to an image, wherein after forming the image by performing scanning for applying the black ink, the at least one color ink is applied to a region adjacent to the image. An image is formed by performing scanning.
The image forming apparatus according to the present invention is formed by an image formed by black ink and at least one color ink selected from cyan ink, magenta ink, and yellow ink, which constitute the ink set. An image forming apparatus for forming an image adjacent to an image, wherein the image forming apparatus discharges the black ink and discharges the at least one color ink. And a recording head having the discharge port array.
本発明によれば、顔料インクにおいて、少ないインク液滴量であっても十分に大きなエリアファクターを有し、且つ画像濃度の高い画像が得られ、更に保存安定性に優れたインクを提供することができる。又、本発明の別の実施態様によれば、複数色のインクを用いて画像を形成する際に、前記複数色のインクすべてにおいて少ないインク液滴量であっても十分に大きなエリアファクターを有し、且つ画像濃度の高い画像が得られ、更に、各色の濃度差が緩和され、色バランスの優れたインクセットを提供することができる。又、本発明の別の実施態様によれば、２液システムにおいて、上記構成のインクセットを用いることで、少ないインク液滴量であっても十分に大きなエリアファクターを有し、且つ画像濃度の高い画像が得られ、更に、各色の色バランスが取れた画像を得ることができるインクセットを提供することができる。更に、本発明の別の実施態様によれば、普通紙に互いに異なる色の領域が隣接しているカラー画像記録を行った場合に、各色画像の境界部における混色（ブリード）を有効に抑制することができる画像形成方法及び画像形成装置を提供することができる。 According to the present invention, in a pigment ink, an image having a sufficiently large area factor and a high image density can be obtained even with a small amount of ink droplets, and further excellent in storage stability is provided. Can do. According to another embodiment of the present invention, when an image is formed using a plurality of colors of ink, a sufficiently large area factor is obtained even with a small amount of ink droplets in all the colors of ink. In addition, an image having a high image density can be obtained, and further, an ink set having excellent color balance can be provided by reducing the density difference between the colors. Further, according to another embodiment of the present invention, in the two-liquid system, by using the ink set having the above-described configuration, a sufficiently large area factor can be obtained even with a small amount of ink droplets, and image density can be reduced. It is possible to provide an ink set capable of obtaining a high image and obtaining an image in which each color is well balanced. Furthermore, according to another embodiment of the present invention, when color image recording in which different color areas are adjacent to each other on plain paper is performed, color mixing (bleeding) at the boundary portion of each color image is effectively suppressed. It is possible to provide an image forming method and an image forming apparatus .
カチオン性モノマーと疎水性モノマーとのカチオン性の共重合体は、先に挙げた疎水性モノマーから選択された何れかと、上記に挙げたカチオン性モノマーから選択された少なくとも１つ、の少なくとも２つ以上のモノマーからなる。前記カチオン性の共重合体は、ブロック共重合体、ランダム共重合体、グラフト共重合体、或いは、これらの塩等が挙げられる。 Cationic copolymers of a cationic monomer and a hydrophobic monomer, and any selected from hydrophobic monomers mentioned above, at least one selected from cationic monomers mentioned, at least two It consists of the above monomers. Examples of the cationic copolymer include a block copolymer, a random copolymer, a graft copolymer, and salts thereof.
上記第２の工程では、第１の工程によってカーボンブラック表面に化学的に結合しているフェニル（２−スルホエチル）スルホン基とＰＥＨＡのアミノ基とを反応させることによって、カーボンブラック表面に化学的に結合してなる官能基としてのアミノ基が導入される。そして、上記第３の工程においては、例えば、共重合体のイオン性モノマー部分が有するカルボキシル基の一部をアミノ基と反応させてアミド結合を形成させることによって、共重合体をカーボンブラックの表面に、ＡＰＳＥＳの残基であるフェニル（２−スルホエチル）基とＰＥＨＡの残基とを含む原子団を介して共重合体が導入できる。 In the second step, the phenyl (2-sulfoethyl) sulfone group chemically bonded to the carbon black surface in the first step is reacted with the amino group of PEHA to chemically react with the carbon black surface. An amino group as a functional group formed by bonding is introduced. In the third step, for example, a part of the carboxyl group of the ionic monomer portion of the copolymer is reacted with an amino group to form an amide bond, thereby forming the copolymer on the surface of carbon black. In addition, a copolymer can be introduced through an atomic group containing a phenyl (2-sulfoethyl) group which is a residue of APSES and a residue of PEHA.
反応液の塗布手段は、給紙カセット１６内に設けられ、かつ反応液１５を供給するための補充タンク２２と、前記タンク２２に周面の一部を浸した状態で回転自在に支持された中間ローラー１２と、前記中間ローラーと平行となるようにして配置され、かつ中間ローラー１２と接触し、同一方向へ回転する塗布ローラー６を有する。又、塗布ローラー６は、記録紙１９を搬送するための中間ローラー１２と周面が接触、かつ平行となるようにして配置している。従って、記録紙１９が搬送される際、中間ローラー１２の回転にともなって中間ローラー１２及び塗布ローラー６が回転する。その結果、供給ローラー１３によって塗布ローラー６の周面に前記反応液１５が供給され、更に塗布ローラー６と中間ローラー１２とによって挟持された記録紙１９の印字面に満遍なく前記反応液が塗布ローラー６によって塗布される。 The reaction liquid application means is provided in the paper feed cassette 16 and is supported in a freely rotatable manner with a replenishment tank 22 for supplying the reaction liquid 15 and a part of the peripheral surface immersed in the tank 22. An intermediate roller 12 and an application roller 6 that is arranged so as to be parallel to the intermediate roller and that contacts the intermediate roller 12 and rotates in the same direction are provided. The application roller 6 is arranged so that the intermediate roller 12 for conveying the recording paper 19 is in contact with and parallel to the peripheral surface. Therefore, when the recording paper 19 is transported, the intermediate roller 12 and the application roller 6 rotate with the rotation of the intermediate roller 12. As a result, the reaction liquid 15 is supplied to the peripheral surface of the application roller 6 by the supply roller 13, and the reaction liquid is evenly applied to the printing surface of the recording paper 19 sandwiched between the application roller 6 and the intermediate roller 12. Applied by.
Claims (16)
該シアンインクに含まれる、良溶媒の含有量（質量％）をＡ1、貧溶媒の含有量（質量％）をＢ1としたときに、Ｂ1／Ａ1が０．５以上３．０以下であり、且つ、ブリストウ法によって求められる、前記複数の水溶性有機溶剤の各々のＫａ値のうち最大のＫａ値を示す水溶性有機溶剤が前記貧溶媒であり、
該マゼンタインクに含まれる、良溶媒の含有量（質量％）をＡ 2 、貧溶媒の含有量（質量％）をＢ 2 としたときに、Ｂ 2 ／Ａ 2 が０．５以上３．０以下であり、且つ、ブリストウ法によって求められる、前記複数の水溶性有機溶剤の各々のＫａ値のうち最大のＫａ値を示す水溶性有機溶剤が前記貧溶媒であり、
該イエローインクに含まれる、良溶媒の含有量（質量％）をＡ 3 、貧溶媒の含有量（質量％）をＢ 3 としたときに、Ｂ 3 ／Ａ 3 が０．５以上３．０以下であり、且つ、ブリストウ法によって求められる、前記複数の水溶性有機溶剤の各々のＫａ値のうち最大のＫａ値を示す水溶性有機溶剤が前記貧溶媒であり、
該ブラックインクに含まれる、良溶媒の含有量（質量％）をＡ 4 、貧溶媒の含有量（質量％）をＢ 4 としたときに、Ｂ 4 ／Ａ 4 が０．５以上３．０以下であり、且つ、ブリストウ法によって求められる、前記複数の水溶性有機溶剤の各々のＫａ値のうち、最大のＫａ値を示す水溶性有機溶剤が前記貧溶媒であることを特徴とするインクセット。 A cyan ink, a magenta ink, a yellow ink, each containing at least water, a water-insoluble colorant, a plurality of water-soluble organic solvents including a good solvent for the water-insoluble colorant and a poor solvent for the water-insoluble colorant, and an ink set having four kinds of aqueous inks of black ink,
When the content (% by mass) of the good solvent contained in the cyan ink is A 1 and the content (% by mass) of the poor solvent is B 1 , B 1 / A 1 is 0.5 or more and 3.0. or less, and is determined by the Bristow method, Ri-soluble organic solvent is the poor solvent der showing the maximum Ka value among the respective Ka values of the plurality of water-soluble organic solvent,
When the content (% by mass) of the good solvent contained in the magenta ink is A 2 and the content (% by mass) of the poor solvent is B 2 , B 2 / A 2 is 0.5 or more and 3.0. The water-soluble organic solvent showing the maximum Ka value among the Ka values of each of the plurality of water-soluble organic solvents obtained by the Bristow method is the poor solvent,
When the content (% by mass) of the good solvent contained in the yellow ink is A 3 and the content (% by mass) of the poor solvent is B 3 , B 3 / A 3 is 0.5 or more and 3.0. The water-soluble organic solvent showing the maximum Ka value among the Ka values of each of the plurality of water-soluble organic solvents obtained by the Bristow method is the poor solvent,
When the content (% by mass) of the good solvent contained in the black ink is A 4 and the content (% by mass) of the poor solvent is B 4 , B 4 / A 4 is 0.5 or more and 3.0. or less, and is determined by the Bristow method, of the respective Ka values of the plurality of water-soluble organic solvent, ink water-soluble organic solvent showing the maximum Ka value is wherein the poor solvent der Rukoto Set .
０．６≦（Ｂ1／Ａ1）／（Ｂ／Ａ）＜１．８ （Ｉ） When the content (mass%) of the good solvent and B (mass%) of the poor solvent contained in any aqueous ink other than the cyan ink included in the ink set is B, the following formula (I The ink set according to claim 1, wherein:
0.6 ≦ (B 1 / A 1 ) / (B / A) <1.8 (I)
０．６≦（Ｂ2／Ａ2）／（Ｂ／Ａ）＜１．８ （ＩＩ） When the content (mass%) of the good solvent contained in any aqueous ink other than the magenta ink included in the ink set is A and the content (mass%) of the poor solvent is B, the following formula (II) The ink set according to claim 1 or 2 , wherein:
0.6 ≦ (B 2 / A 2 ) / (B / A) <1.8 (II)
０．６≦（Ｂ3／Ａ3）／（Ｂ／Ａ）＜１．８ （ＩＩＩ） When the content (mass%) of the good solvent and B (mass%) of the poor solvent contained in any aqueous ink other than the yellow ink included in the ink set is B, the following formula (III 4. The ink set according to claim 1, wherein
0.6 ≦ (B 3 / A 3 ) / (B / A) <1.8 (III)
０．６≦（Ｂ4／Ａ4）／（Ｂ／Ａ）＜１．８ （ＩＶ） When the content (% by mass) of the good solvent and B (% by mass) of the poor solvent contained in any aqueous ink other than the black ink included in the ink set is B, the following formula (IV 5) The ink set according to any one of claims 1 to 4 .
0.6 ≦ (B 4 / A 4 ) / (B / A) <1.8 (IV)
（Ｂ3／Ａ3）／（Ｂ／Ａ）＞１ （Ｖ） Before SL ink set is contained in any aqueous ink except the yellow ink comprises, the content of the good solvent (mass%) A, when the content of poor solvent (mass%) were by B, the following formula The ink set according to any one of claims 1 to 5, which satisfies (V).
(B 3 / A 3 ) / (B / A)> 1 (V)
（ｉ）前記インクセットが具備する、水性インク中の水不溶性色材の分散状態を不安定化させる反応液を、記録媒体上に付与する工程、及び
（ｉｉ）該反応液が定着した記録媒体に、前記インクセットが具備する水性インクを付与する工程、
を有することを特徴とする画像形成方法。 An image forming method using the ink set according to any one of claims 1 to 11 ,
(I) a step of applying a reaction liquid on the recording medium that destabilizes the dispersion state of the water-insoluble colorant in the water-based ink, and (ii) a recording medium on which the reaction liquid is fixed. A step of applying a water-based ink included in the ink set,
An image forming method comprising:
該画像形成装置は、前記ブラックインクを吐出させるための吐出口列と、前記少なくとも１色のカラーインクを吐出させるための吐出口列を備えてなる記録ヘッドを有することを特徴とする画像形成装置。The image forming apparatus includes a recording head including an ejection port array for ejecting the black ink and an ejection port array for ejecting the at least one color ink. .
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| JP2005188048A JP5132038B2 (en) | 2004-06-28 | 2005-06-28 | Ink set, image forming method and image forming apparatus |
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|---|---|
| JP2006045519A JP2006045519A (en) | 2006-02-16 |
| JP2006045519A5 true JP2006045519A5 (en) | 2008-08-14 |
| JP5132038B2 JP5132038B2 (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005188048A Expired - Fee Related JP5132038B2 (en) | 2004-06-28 | 2005-06-28 | Ink set, image forming method and image forming apparatus |
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| Country | Link |
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| JP (1) | JP5132038B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015178633A (en) * | 2015-06-11 | 2015-10-08 | セイコーエプソン株式会社 | Ink jet recording ink, deinking pulp and manufacturing method of the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4018241B2 (en) * | 1997-05-22 | 2007-12-05 | キヤノン株式会社 | Recording method |
| WO2001048100A1 (en) * | 1999-12-27 | 2001-07-05 | Seiko Epson Corporation | Ink set, method of recording with the same, and print |
| JP3506426B2 (en) * | 1999-12-28 | 2004-03-15 | 花王株式会社 | Water-based ink |
| JP4458731B2 (en) * | 2001-11-02 | 2010-04-28 | シャープ株式会社 | Ink for inkjet recording |
| JP3882899B2 (en) * | 2002-01-28 | 2007-02-21 | セイコーエプソン株式会社 | Inkjet recording method |
-
2005
- 2005-06-28 JP JP2005188048A patent/JP5132038B2/en not_active Expired - Fee Related
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