OVERCOATING LIQUID, INK SET, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS
First Claim
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1. An overcoating liquid comprising:
- a hydrodispersible polyurethane;
a compound represented by Chemical formula 1;
C6F13—
CH2CH2O(CH2CH2O)nH, where n represents an integer of from 1 to 40;
a compound represented by Chemical formula 2;
HOR1R3C—
(CH2)n—
CR2R4OH, where R1 and R2 each, independently represent alkyl groups having three to six carbon atoms, R3 and R4 each, independently represent methyl groups or ethyl groups, and n represents an integer of from 1 to 6; and
water,wherein the overcoating liquid is applied to a surface of a recording medium on which inkjet ink is already discharged.
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Abstract
An overcoating liquid contains a hydrodispersible polyurethane; a compound represented by Chemical formula 1: C6F13—CH2CH2O(CH2CH2O)nH, where n represents an integer of from 1 to 40; a compound represented by Chemical formula 2: HOR1R3C—(CH2)n—CR2R4OH, where R1 and R2 each, independently represent alkyl groups having three to six carbon atoms, R3 and R4 each, independently represent methyl groups or ethyl groups, and n represents an integer of from 1 to 6; and water, wherein the overcoating liquid is applied to the surface of a recording medium onto which inkjet ink is already discharged.
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Citations
11 Claims
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1. An overcoating liquid comprising:
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a hydrodispersible polyurethane; a compound represented by Chemical formula 1;
C6F13—
CH2CH2O(CH2CH2O)nH, where n represents an integer of from 1 to 40;a compound represented by Chemical formula 2;
HOR1R3C—
(CH2)n—
CR2R4OH, where R1 and R2 each, independently represent alkyl groups having three to six carbon atoms, R3 and R4 each, independently represent methyl groups or ethyl groups, and n represents an integer of from 1 to 6; andwater, wherein the overcoating liquid is applied to a surface of a recording medium on which inkjet ink is already discharged. - View Dependent Claims (2, 3, 4, 5, 6, 8, 9, 10, 11)
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7. An inkset comprising:
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an inkjet ink comprising; a hydrodispersible colorant, a surfactant, a hydrosoluble organic solvent, and water; and an overcoating liquid comprising; a hydrodispersible polyurethane; a compound represented by Chemical formula 1;
C6F13—
CH2CH2O(CH2CH2O)nH, where n represents an integer of from 1 to 40;a compound represented by Chemical formula 2;
HOR1R3C—
(CH2)n—
CR2R4OH, where R1 and R2 each, independently represent alkyl groups having three to six carbon atoms, R3 and R4 each, independently represent methyl groups or ethyl groups, and n represents an integer of from 1 to 6; andwater, wherein the overcoating liquid is applied to a surface of a recording medium on which the inkjet ink is already discharged.
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Specification