EP0739743A1
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Ink jet recording method
Assignee: Seiko Epson Corp
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Filing: 1996-04-19
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Granted: —
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Expires: 2016-04-19
Abstract
Abstract An ink jet recording method capable of providing an image having a good quality is disclosed. In the ink jet recording method, a reaction solution and an ink composition are used to conduct printing on a recording medium. The reaction solution comprises a polyvalent metal salt, and an ink composition comprises a pigment and a resin emulsion.
Inventors
- 👤 Kiyohiko c/o SEIKO EPSON CORPORATION Takemoto
- 👤 Kazuaki c/o Seiko Epson Corporation Watanabe
- 👤 Yukari c/o SEIKO EPSON CORPORATION Sano
- 👤 Kazuhide c/o Seiko Epson Corporation Kubota
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-25 17:53
CPC Classifications
B; B41; B41M; B41M7/00; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/21; B41J2/2107; B41J2/2114; B41M5/00; B41M5/0011; B41M5/0017; C; C09; C09D; C09D11/00; C09D11/30; C09D11/54; B41J2/135; B41J2/165; B41J2/16505; B41J2/16508; B41J2/16517; B41J2/1652; B41J2/16523
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
42 words
An ink jet recording method comprising the step of depositing a reaction solution and an ink composition onto a recording medium, wherein the reaction solution comprises a polyvalent metal salt, and wherein the ink composition comprises a pigment and a resin emulsion.
Claim 2
Dependent Claim
44 words
An ink jet recording method comprising the step of depositing a reaction solution and an ink composition onto a recording medium, wherein the reaction solution comprises a polyallylamine or a derivative thereof, and wherein the ink composition comprises a colorant and a resin emulsion.
Claim 3
Dependent Claim
43 words
An ink jet recording method comprising the step of depositing a reaction solution and an ink composition onto a recording medium, wherein the reaction solution comprising a polyvalent metal salt, and wherein the ink composition comprises a colorant and an alginic acid derivative.
Claim 4
Dependent Claim
29 words
The ink jet recording method according to claim 3, wherein the alginic acid derivative is an alkali metal salt of alginic acid or an ammonium salt of alginic acid.
Claim 5
Dependent Claim
24 words
The ink jet recording method according to claim 3, wherein the ink composition comprises 0.01 to 1% by weight of the alginic acid derivative.
Claim 6
Dependent Claim
24 words
The ink jet recording method according to claim 3, wherein the ink composition comprises a colorant, an organic solvent, water, and a resin emulsion.
Claim 7
Dependent Claim
81 words
An ink jet recording method comprising the step of depositing a reaction solution and an ink composition onto a recording medium, wherein the reaction solution comprises a polyvalent metal salt and a polyol having a vapor pressure of not more than 0.01 mmHg at 20°C, wherein the content of the polyol is such that the weight ratio of the polyol to the polyvalent metal salt is 1 or more, and wherein the ink composition comprises a colorant and a resin emulsion.
Claim 8
Dependent Claim
25 words
The ink jet recording method according to claim 7, wherein the polyol is selected from glycerin, diethylene glycol, triethylene glycol, 1,5-pentanediol, 1,4-butanediol, and a saccharide.
Claim 9
Dependent Claim
25 words
The ink jet recording method according to claim 7 or 8, wherein the ink composition comprises not less than 10% by weight of the polyol.
Claim 10
Dependent Claim
62 words
An ink jet recording method comprising the step of depositing a reaction solution and an ink composition onto a recording medium, wherein the reaction solution comprises a polyvalent metal salt and has a surface tension of not more than 35 mN/m, and wherein the ink composition comprises a colorant and has a surface tension of not more than 40 to 55 mN/m.
Claim 11
Dependent Claim
35 words
The ink jet recording method according to claim 10, wherein the reaction solution has a surface tension of 25 to 35 mN/m and the ink composition has a surface tension of 40 to 50 mN/m.
Claim 12
Dependent Claim
28 words
The ink jet recording method according to claim 10, wherein the reaction solution and the ink composition each have a viscosity of 1.5 to 10 mPa.s at 20°C.
Claim 13
Dependent Claim
75 words
An ink jet recording method comprising the step of depositing a reaction solution and an ink composition onto a recording medium, wherein the reaction solution comprises a polyvalent metal salt, and wherein the ink composition comprising a colorant, water, and an emulsion of a thermoplastic resin, the method further comprising the step of heating the recording medium with the ink composition deposited thereon to the softening temperature of the thermoplastic resin or a higher temperature.
Claim 14
Dependent Claim
34 words
The ink jet recording method according to claim 13, wherein the step of heating is carried out a given period after the deposition of the droplets of the ink composition onto the recording medium.
Claim 15
Dependent Claim
24 words
The ink jet recording method according to claim 13, wherein the heating temperature is at least the film forming temperature of the resin emulsion.
Claim 16
Dependent Claim
36 words
The ink jet recording method according to any one of claims 1 to 15, wherein the polyvalent metal salt is composed of nitric acid ion or a salt of carboxylic acid ion and polyvalent metal ion.
Claim 17
Dependent Claim
61 words
The ink jet recording method according to claim 16, wherein the carboxylic acid ion is derived from a saturated aliphatic monocarboxylic acid having 1 to 6 carbon atoms (wherein a hydrogen atom(s) on the saturated aliphatic hydrocarbon residue of the monocarboxylic acid may be substituted by a hydroxyl group) or a carbocyclic monocarboxylic acid having a 6 to 10 carbon atoms.
Claim 18
Dependent Claim
25 words
The ink jet recording method according to any one of claims 1 to 15, wherein the reaction solution comprises triethylene glycol monobutyl ether and glycerin.
Claim 19
Dependent Claim
25 words
The ink jet recording method according to any one of claims 2 to 15, wherein the colorant contained in the ink composition is a pigment.
Claim 20
Dependent Claim
32 words
The ink jet recording method according to any one of claims 1 to 15, wherein the reaction solution is a color ink containing a colorant selected from yellow, cyan, and magenta colorant.
Claim 21
Dependent Claim
22 words
The ink jet recording method according to any one of claims 1 to 15, wherein the reaction solution contains a penetrating agent.
Claim 22
Dependent Claim
58 words
The ink jet recording method according to claim 21, wherein the penetrating agent is a compound represented by the following formula (I) and/or a lower alcohol ether of a polyhydric alcohol: wherein 0 ≦ m + n ≦ 50 and R 1 , R 2 , R 3 , and R 4 each independently represents an alkyl group.
Claim 23
Dependent Claim
37 words
The ink jet recording method according to claim any one of claims 1 to 15, wherein the reaction solution is first deposited onto the recording medium and the ink composition is then deposited onto the recording medium.
Claim 24
Dependent Claim
37 words
The ink jet recording method according to claim any one of claims 1 to 15, wherein the ink composition is first deposited onto the recording medium and the reaction solution is then deposited onto the recording medium.
Claim 25
Dependent Claim
42 words
The ink jet recording method according to any one of claims 1 to 15, wherein the reaction solution and the ink composition are mixed together immediately before or immediately after the ejection and the resultant mixture is printed onto the recording medium.
Claim 26
Dependent Claim
19 words
A printed medium obtained by an ink jet recording method according to any one of claims 1 to 15.
Claim 27
Dependent Claim
73 words
A reaction solution used in an ink jet recording method wherein a reaction solution and an ink composition are deposited onto a recording medium to conduct printing, the reaction solution comprising a polyvalent metal salt and a polyol having a vapor pressure of not more than 0.01 mmHg at 20°C, the content of the polyol being such that the weight ratio of the polyol to the polyvalent metal salt is 1 or more.
Claim 28
Dependent Claim
23 words
The reaction solution according to claim 27, wherein the polyol is selected from glycerin, diethylene glycol, triethylene glycol, 1,5-pentanediol, 1,4-butanediol, and a saccharide.
Claim 29
Dependent Claim
22 words
The reaction solution according to claim 27 or 28, wherein the content of the polyol is not less than 10% by weight.
Claim 30
Dependent Claim
73 words
An ink jet recording apparatus for practicing an ink jet recording method wherein a reaction solution and an ink composition are deposited onto a recording medium, comprising: means for depositing a reaction solution onto a recording medium; ink jet recording means for forming droplets of an ink composition and depositing the droplets onto the recording medium; and heating means for heating the recording medium with the droplets of the ink composition deposited thereon.
Claim 31
Dependent Claim
54 words
An ink jet recording apparatus for practicing an ink jet recording method wherein a reaction solution and an ink composition are deposited onto a recording medium, wherein the reaction solution and the ink composition is accommodated in the apparatus in such amounts that the ink composition is used up earlier than the reaction solution.
Claim 32
Dependent Claim
60 words
An ink tank for mounting in an ink jet recording apparatus for practicing an ink jet recording method wherein a reaction solution and an ink composition are deposited onto a recording medium, wherein the reaction solution and the ink composition is accommodated in the apparatus in such amounts that the ink composition is used up earlier than the reaction solution.
Claim 33
Dependent Claim
16 words
The ink tank according to claim 32, which is integral with an ink jet recording head.
References Cited (Backward Citations)
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