JP2010241068A5 - - Google Patents

Description

［（Ｉ）式中、Ｒ_１は水素原子または水酸基もしくはカルボキシル基により置換されたメ
チル基を示し、Ｒ_２はメチル基、カルボキシル基により置換されたメチル基、または水酸基及びカルボキシル基により置換されたメチル基を示す。］

[In the formula (I), R ₁ represents a hydrogen atom or a methyl group substituted by a hydroxyl group or a carboxyl group, and R ₂ represents a methyl group substituted by a methyl group or a carboxyl group , or a hydroxyl group and a carboxyl group substituted. Indicates a methyl group. ]

［（Ｉ）式中、Ｒ_１は水素原子または水酸基もしくはカルボキシル基により置換されたメ
チル基を示し、Ｒ_２はメチル基、カルボキシル基により置換されたメチル基、または水酸基及びカルボキシル基により置換されたメチル基を示す。］

[In the formula (I), R ₁ represents a hydrogen atom or a methyl group substituted by a hydroxyl group or a carboxyl group, and R ₂ represents a methyl group substituted by a methyl group or a carboxyl group , or a hydroxyl group and a carboxyl group substituted. Indicates a methyl group. ]

Claims (9)

A pretreatment liquid for inkjet containing a water-soluble aliphatic organic acid, a water-soluble organic monoamine compound, a water-soluble organic solvent and water,
A pretreatment liquid for inkjet, comprising 1 mole equivalent or more of the water-soluble organic monoamine compound with respect to an acid group contained in the water-soluble aliphatic organic acid. The inkjet pretreatment liquid according to claim 1, wherein the water-soluble aliphatic organic acid is selected from the formulas (I) to (III).

[In the formula (I), R ₁ represents a hydrogen atom or a methyl group substituted by a hydroxyl group or a carboxyl group, and R ₂ represents a methyl group substituted by a methyl group or a carboxyl group , or a hydroxyl group and a carboxyl group substituted. Indicates a methyl group. ]

[In the formula (II), n represents an integer of 0 to 4. ]

[In the formula (III), n represents an integer of 0 to 4. ] The pretreatment liquid for inkjet according to claim 1 or 2, wherein the water-soluble organic monoamine compound is selected from formulas (IV) and (V).

[In the formula (IV), R 3, R 4 and R 5 represent a hydrogen atom, an alkoxy group having 1 to 4 carbon atoms, an alkyl group having 1 to 8 carbon atoms, a hydroxyethyl group or a hydroxypropyl group. However, the case where all are hydrogen atoms is excluded. ]

[In the formula (V), R6 represents a hydroxymethyl group, R7 represents a methyl group, an ethyl group, or a hydroxymethyl group, and R8 represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or a hydroxymethyl group. ] The pretreatment liquid for inkjet according to any one of claims 1 to 3 , comprising an aliphatic organic acid salt compound or an inorganic metal salt compound. The inkjet pretreatment liquid according to any one of claims 1 to 4 , wherein the static surface tension is 30 mN / m or less. A pretreatment step of applying the inkjet pretreatment liquid according to any one of claims 1 to 5 to a recording medium;
Stimulation is applied to an inkjet ink containing a water-dispersible colorant, a water-soluble organic solvent, a surfactant, a penetrating agent, and water, and the inkjet ink is applied to a recording medium coated with the inkjet pretreatment liquid. An ink flying process in which an image is formed by flying;
An image forming method comprising: The water dispersible colorant is a pigment;
The image forming method according to claim 6, wherein the pigment is at least one selected from the group consisting of a self-dispersible pigment and a pigment coated with a resin.   The image forming method according to claim 6 or 7, wherein the inkjet ink has a static surface tension of 20 to 35 mN / m. Image-formed product, characterized in that it is produced by the image forming method according to any one of claims 6-8.