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Reaction solution, set of reaction solution and ink, inkjet recording apparatus and image recording method

Assignee: Canon Inc
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Filing: 2003-09-16
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Granted: 2005-08-30
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Expires: 2023-09-16
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Abstract

Abstract A reaction solution that is used for image recording with an ink containing a coloring material in a dissolved or dispersed state to destabilize the dissolved or dispersed state of the coloring material in the ink in contact with the ink to provide high quality and abrasion-resistant images, wherein the reaction solution contains at least a polyvalent metal ion and a nonionic polymer, the Ka value according to the Bristow method is from 1.3 mL·m −2 ·msec −1/2 to 3.0 mL·m −2 ·msec −1/2 inclusive, and the viscosity is from 20 mPa·s to 150 mPa·s inclusive.

Inventors

  • 👤 Yoichi Takada
  • 👤 Shinya Mishina
  • 👤 Shinichi Hakamada
  • 👤 Noriyasu Asaki
  • 👤 Yasuhiro Nito
  • 👤 Masashi Tsujimura
  • 👤 Takashi Imai

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:45
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/0011; B41M5/0017; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/21; B41J2/2107; B41J2/2114; C; C09; C09D; C09D11/00; C09D11/30; C09D11/40; C09D11/54; B41J2/135; B41J2/165; B41J2/16505; B41J2/16508

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 100 words
A reaction solution for use in image recording in conjunction with an ink containing a coloring material in a dissolved or dispersed state, the reaction solution destabilizing the dissolved or dispersed state of the coloring material in the ink after contact with the ink, wherein the reaction solution contains at least a polyvalent metal ion and a nonionic polymer, the Ka value of the reaction solution according to the Bristow method is from 1.3 mL×m −2 ×msec −1/2 to 3.0 mL×m −2 ×msec −1/2 inclusive, and the viscosity of the reaction solution is from 20 mPa×s to 150 mPa×s inclusive.
Claim 2
Dependent Claim 100 words
A reaction solution for use in image recording in conjunction with an ink containing a coloring material in a dissolved or dispersed state, the reaction solution destabilizing the dissolved or dispersed state of the coloring material in the ink after contact with the ink, wherein the reaction solution contains at least a polyvalent metal ion and a nonionic polymer, the Ka value of the reaction solution according to the Bristow method is from 1.3 mL×m −2 ×msec −1/2 to 3.0 mL×m −2 ×msec −1/2 inclusive, and the viscosity of the reaction solution is from 20 mPa×s to 150 mPa×s inclusive.
Claim 3
Dependent Claim 31 words
The reaction solution according to claim 1 , wherein the polyvalent metal ion is contained from 0.01% to 10% inclusive by weight based on the total amount of the reaction solution.
Claim 4
Dependent Claim 21 words
The reaction solution according to claim 1 , wherein the pH of the reaction solution is from 2 to 7 inclusive.
Claim 5
Dependent Claim 100 words
A set of an ink and a reaction solution comprising the ink containing a coloring material in a dissolved or dispersed state, and the reaction solution destabilizing the dissolved or dispersed state of the coloring material in the ink after contact with the ink, wherein the reaction solution contains at least a polyvalent metal ion and a nonionic polymer, the Ka value of the reaction solution according to the Bristow method is from 1.3 mL×m −2 ×msec −1/2 to 3.0 mL×m −2 ×msec −1/2 inclusive, and the viscosity of the reaction solution is from 20 mPa×s to 150 mPa×s inclusive.
Claim 6
Dependent Claim 100 words
A set of an ink and a reaction solution comprising the ink containing a coloring material in a dissolved or dispersed state, and the reaction solution destabilizing the dissolved or dispersed state of the coloring material in the ink after contact with the ink, wherein the reaction solution contains at least a polyvalent metal ion and a nonionic polymer, the Ka value of the reaction solution according to the Bristow method is from 1.3 mL×m −2 ×msec −1/2 to 3.0 mL×m −2 ×msec −1/2 inclusive, and the viscosity of the reaction solution is from 20 mPa×s to 150 mPa×s inclusive.
Claim 7
Dependent Claim 130 words
An inkjet recording apparatus comprising a recording head for discharging an ink containing a coloring material in a dissolved or dispersed state, an ink cartridge having an ink storage unit containing the ink, ink supply means for supplying the ink from the ink cartridge to the recording head, and means for supplying a reaction solution that destabilizes the dissolved or dispersed state of the coloring material in the ink after contact with the ink, wherein the reaction solution contains at least a polyvalent metal ion and a nonionic polymer, the Ka value of the reaction solution according to the Bristow method is from 1.3 mL×m −2 ×msec −1/2 to 3.0 mL×m −2 ×msec −1/2 inclusive, and the viscosity of the reaction solution is from 20 mPa×s to 150 mPa×s inclusive.
Claim 8
Dependent Claim 130 words
An inkjet recording apparatus comprising a recording head for discharging an ink containing a coloring material in a dissolved or dispersed state, an ink cartridge having an ink storage unit containing the ink, ink supply means for supplying the ink from the ink cartridge to the recording head, and means for supplying a reaction solution that destabilizes the dissolved or dispersed state of the coloring material in the ink after contact with the ink, wherein the reaction solution contains at least a polyvalent metal ion and a nonionic polymer, the Ka value of the reaction solution according to the Bristow method is from 1.3 mL×m −2 ×msec −1/2 to 3.0 mL×m −2 ×msec −1/2 inclusive, and the viscosity of the reaction solution is from 20 mPa×s to 150 mPa×s inclusive.
Claim 9
Dependent Claim 34 words
The inkjet recording apparatus according to claim 5 , wherein the amount of the polyvalent metal ion is from 0.01% to 10% inclusive by weight based on the total amount of the reaction solution.
Claim 10
Dependent Claim 22 words
The inkjet recording apparatus according to claim 5 , wherein the pH of the reaction solution is from 2 to 7 inclusive.
Claim 11
Dependent Claim 23 words
The inkjet recording apparatus according to claim 5 , wherein the pH of the reaction solution is lower than that of the ink.
Claim 12
Dependent Claim 23 words
The inkjet recording apparatus according to claim 5 , wherein the viscosity of the reaction solution is greater than that of the ink.
Claim 13
Dependent Claim 22 words
The inkjet recording apparatus according to claim 5 , comprising a coating roller for applying the reaction solution onto a recording medium.
Claim 14
Dependent Claim 31 words
The inkjet recording apparatus according to claim 10 , wherein the reaction solution is applied onto the recording medium in an amount from 0.5 g/m 2 to 10 g/m 2 inclusive.
Claim 15
Dependent Claim 114 words
An image recording method comprising the steps of: coating a recording medium with a reaction solution capable of destabilizing the dissolved or dispersed state of a coloring material in an ink after contact with the ink containing the coloring material in a dissolved or dispersed state; and coating the ink on the recording medium by an inkjet method, wherein the reaction solution contains at least a polyvalent metal ion and a nonionic polymer, the Ka value of the reaction solution according to the Bristow method is from 1.3 mL×m −2 ×msec −1/2 to 3.0 mL×m −2 ×msec −1/2 inclusive, and the viscosity of the reaction solution is from 20 mPa×s to 150 mPa×s inclusive.
Claim 16
Dependent Claim 114 words
An image recording method comprising the steps of: coating a recording medium with a reaction solution capable of destabilizing the dissolved or dispersed state of a coloring material in an ink after contact with the ink containing the coloring material in a dissolved or dispersed state; and coating the ink on the recording medium by an inkjet method, wherein the reaction solution contains at least a polyvalent metal ion and a nonionic polymer, the Ka value of the reaction solution according to the Bristow method is from 1.3 mL×m −2 ×msec −1/2 to 3.0 mL×m −2 ×msec −1/2 inclusive, and the viscosity of the reaction solution is from 20 mPa×s to 150 mPa×s inclusive.
Claim 17
Dependent Claim 35 words
The image recording method according to claim 12 , wherein the polyvalent metal ion is contained in an amount from 0.01% to 10% inclusive by weight based on the total amount of the reaction solution.
Claim 18
Dependent Claim 20 words
The image recording method according to claim 12 , wherein the pH of the reaction solution is less than 7.
Claim 19
Dependent Claim 23 words
The image recording method according to claim 12 , wherein the pH of the reaction solution is lower than that of the ink.
Claim 20
Dependent Claim 23 words
The image recording method according to claim 12 , wherein the viscosity of the reaction solution is greater than that of the ink.
Claim 21
Dependent Claim 26 words
The image recording method according to claim 12 , wherein coating of the reaction solution on the recording medium is carried out by a coating roller.
Claim 22
Dependent Claim 31 words
The image recording method according to claim 17 , wherein the reaction solution is applied onto the recording medium in an amount from 0.5 g/m 2 to 10 g/m 2 inclusive.

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