WO2017176089A1 - Ink composition and ink printing method using same - Google Patents

Abstract

The present invention relates to an ink composition and a printing method using the same, the composition being capable of being stably decorated, in long-term outside exposure environments, on various base materials of clothes, electronic goods, and the like, wherein the ink composition comprises blocked isocyanate and a thermosetting resin.

Description

Ink composition and ink printing method using the same

The present invention relates to an ink composition comprising a blocked isocyanate and a thermosetting resin and an ink printing method using the same, and more particularly, to stably decorate a variety of substrates such as clothing and electronic products from an external exposure environment for a long time. An ink composition and an ink printing method using the same.

Many substrates such as textiles, thermoset urethanes, ethylene vinyl acetate foams, and leathers have a significant amount of flexibility. Often, the substrate is coated with a coating to improve appearance, water resistance, chemical resistance, abrasion resistance, UV resistance and durability. In addition, the substrate may be coated or "decorated" to provide an improved appearance and also to apply a pattern.

The various coatings applied for this purpose are mainly rigid coatings suitable for use on rigid substrates. By the way, when such a rigid coating, such as an acrylic coating is applied to the flexible substrate, the coating is often cracked or peeled off when the coated substrate is bent.

Korean Patent Laid-Open Publication No. 2011-0012859 discloses a luminescent luminous paint coated on a substrate such as clothing and dried, and thereafter, digital printing made of various colors in a manner such as offset printing or silk screen. Although a technique of forming a pattern is described, however, the technique of printing a pattern (decoration) by the conventional silk screen printing as described above has difficulty in designing a small amount, and harmful substances are generated, and flexibility and adhesion There are problems such as not enough.

Accordingly, there is a need for the development of ink compositions and printing methods that are easy to work with a variety of small-volume designs and that can provide excellent flexibility and adhesion to coated (printed) substrates.

[Patent Document] Republic of Korea Patent Publication No. 1998-083407

The present invention has been made to solve the problems of the prior art as described above, by using an ink composition comprising a blocked isocyanate and a thermosetting resin to freely work a small amount of design on various substrates such as clothing and electronics, The purpose of the present invention is to provide an ink composition which suppresses the generation of harmful substances and improves the working environment. In particular, it is excellent in flexibility and adhesiveness, and thus does not cause cracks even when exposed to the external environment for a long time, and improves productivity and improves the process. do.

Another object of the present invention is to provide an ink printing method which can be stably formed without outputting ink on a substrate, and after top coating, drying, or the like, after the ink flows for a long time.

In order to achieve the above object, the ink composition according to an embodiment of the present invention may include a blocked isocyanate and a thermosetting resin.

Isocyanates used in the preparation of the blocked isocyanates include methylene diphenyl diisocyanate (MDI), polymeric methylene diphenyl diisocyanate (polymeric MDI), tolylene diisocyanate (TDI), lysine diisocyanate (LDI), hydrogenated tolylene di Isocyanate, hexamethylene diisocyanate (HMDI), xylene diisocyanate (XDI), hydrogenated xylene diisocyanate, naphthalene diisocyanate (NDI), biphenylenedi isocyanide, 2,4,6, -triisopropylphenyldi Isocyanate (TIDI), diphenyl ether diisocyanate, tolidine diisocyanate (TODI), isophorone diisocyanate (IPDI), 4,4'-dicyclohexyl methane diisocyanate (HMDI), tetramethyl xylene diisocyanate (TMXDI), 2,2,4-trimethylhexamethylene diisocyanate (TMHDI), 1,12-diisocyanatododecane (DDI), norbornandiy Socyanate (NBDI), 2,4-bis- (8-isocyanatooctyl) -1,3-dioctylcyclobutane (OCDI) and 2,2,4 (2,4,4) -trimethylhexamethylene It may be at least one selected from diisocyanates (TMDI).

Blocking agents used in the preparation of the blocked isocyanates include malonate compounds, acrylate compounds, alcohol compounds, alkylphenol compounds, active methylene compounds, mercaptan compounds, acidamide compounds, acidimide imidazole compounds, ureas It may be one or more selected from compounds, oxime compounds, amine compounds, imide compounds, caprolactam compounds, and pyrazole compounds.

The weight average molecular weight of the block isocyanate may be 2,000 to 8,000.

The thermosetting resin may be at least one selected from a polyurethane resin, an epoxy resin, a melamine resin, and an acrylic resin, and preferably, a polyurethane resin synthesized by a urethane and urea reaction.

The blocked isocyanate and thermosetting resin may be included in 5 to 50% by weight relative to the total weight of the ink composition.

The weight mixing ratio of the blocked isocyanate and thermosetting resin may be 20 to 80:80 to 20.

The ink composition according to one embodiment of the present invention may further include one or more additives selected from the group consisting of pigments, dispersants, monomers, photoinitiators, leveling agents, solvents and mixtures thereof.

The dispersant comprises a polyesteramine resin, the monomer comprises an acrylate resin, the photoinitiator comprises a phosphine oxide resin or benzophenone resin, the leveling agent is a fluorocarbon compound, poly At least one selected from ether-modified acrylic acid polydimethylsiloxane, organo-modified polysiloxane, fluorine-containing organic modified siloxane, and fluorine-modified acrylic polymer solution, and the solvent may be at least one selected from ether and ester solvents.

The acrylate resin is selected from methyl methacrylate, hydroxyl ethyl acrylate, hydroxyl propyl acrylate, hydroxyl propyl methacrylate, isobornyl acrylate, trimetholpropane triacrylate and urethane acrylate Species or more, and the phosphine oxide-based compound includes 2,4,6-trimethylbenzoyl diphenylphosphine oxide, bis (2,6-dimethoxybenzoyl) -2,4,4-trimethylpentyl phosphine oxide and bis ( At least one selected from 2,6-dichlorobenzoyl) propyl phosphine oxide.

An ink printing method according to an embodiment of the present invention may include the following steps:

1) outputting the ink composition according to the present invention on a substrate;

2) top coating the substrate on which the ink composition is output; And

3) drying the topcoated substrate.

In the step 1), the substrate may be at least one selected from natural leather, artificial leather such as polyurethane leather, synthetic resins, metal materials and synthetic films.

In step 1), the output method may be selected from inkjet printing, dip pen printing, imprinting, contact printing and roll printing.

After the step 1), it may further comprise at least one curing step selected from thermosetting and ultraviolet curing.

The heat curing may be a heat curing treatment in a plate-type heat exchanger, the ultraviolet curing may be carried out UV curing with a UV lamp.

In the step 2), the top coating material may include at least one selected from polyurethane-based resins, epoxy resins, melamine resins and acrylic resins.

In the step 2), the top coating method may be selected from silk screen coating, bar coating, roll coating, spray coating and inkjet coating.

In step 3), the drying may be performed for 10 minutes to 1 hour using a natural drying or cooling fan.

In the step 1), the ink composition comprises a polyurethane resin, the substrate is made of a polyurethane leather, in the step 2) the top coating material may comprise a polyurethane resin.

The article can be decorated by the ink printing method according to the present invention.

According to the ink composition of the present invention and the ink printing method using the same, by containing a blocked isocyanate, it is not reacted with other compounds at room temperature, but the blocking agent is dissociated through a drying process to produce an active isocyanate which exhibits excellent thermosetting property and thus has a low molecular weight. By combining with the resin to form a high molecular weight resin, it has excellent flexibility and adhesiveness on various substrates such as clothing and electronics, so it remains constant without peeling or cracking of ink even in a long exposure environment, and allows a small amount of design to be freely It can work, improve the working environment by suppressing the generation of harmful substances, improve the productivity and process, and can be printed stably without peeling off after a long time flow.

Advantages and features of the present invention, and methods for achieving the same will be apparent with reference to the embodiments described below in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used in a sense that can be commonly understood by those skilled in the art. In addition, the terms defined in the commonly used dictionaries are not ideally or excessively interpreted unless they are specifically defined clearly.

Hereinafter, the ink composition of the present invention and an ink printing method using the same will be described in detail.

The ink composition according to one embodiment of the present invention may include blocked isocyanates and thermosetting resins.

The blocked isocyanate blocks the isocyanate so as not to react with other compounds at room temperature. The blocking agent is dissociated through a drying process to generate active isocyanate. The blocked isocyanate reacts with the thermosetting resin contained in the ink composition to react with a high molecular weight polymer resin. Can be formed.

The isocyanate used in the preparation of the blocked isocyanate is not limited in kind, but is, for example, methylene diphenyl diisocyanate (MDI), polymeric methylene diphenyl diisocyanate (polymeric MDI), tolylene diisocyanate (TDI) , Lysine diisocyanate (LDI), hydrogenated tolylene diisocyanate, hexamethylene diisocyanate (HMDI), xylene diisocyanate (XDI), hydrogenated xylene diisocyanate, naphthalene diisocyanate (NDI), biphenylenedi isocyanate, 2 , 4,6, -triisopropylphenyl diisocyanate (TIDI), diphenyl ether diisocyanate, tolidine diisocyanate (TODI), isophorone diisocyanate (IPDI), 4,4'-dicyclohexyl methane diisocyanate (HMDI ), Tetramethylxylene diisocyanate (TMXDI), 2,2,4-trimethylhexamethylene diisocyanate (TMHDI), 1,12-diiso Anitododecane (DDI), norbornanediisocyanate (NBDI), 2,4-bis- (8-isocyanatooctyl) -1,3-dioctylcyclobutane (OCDI) and 2,2,4 ( It may be one or more selected from 2,4,4) -trimethylhexamethylene diisocyanate (TMDI), preferably methylene diphenyl diisocyanate (MDI), polymeric methylene diphenyl diisocyanate (polymeric MDI), tolyl Rendiisocyanate (TDI), or hexamethylene diisocyanate (HMDI).

Blocking agents used to block such isocyanates include malonate compounds, acrylate compounds, alcohol compounds, alkylphenol compounds, active methylene compounds, mercaptan compounds, acidamide compounds, acidimide imidazole compounds, urea compounds, oxime compounds , Amine compounds, imide compounds, caprolactam compounds, pyrazole compounds and the like.

The blocked isocyanate is preferably blocked by 95 to 100 mol% of the unblocked terminal isocyanate groups.

The blocked isocyanate may be prepared by reacting an unblocked isocyanate with a blocking agent in a solvent. The solvent may be a solvent which is inert to isocyanate, for example, dichloromethane, benzene, hexane, xylene, n- Butanol, n-butyl acetate, propylene glycol methyl ether, dipropylene glycol methyl ether, toluene, n-methyl pyrrolidone, diethylene glycol methyl ethyl ether, etc. can be used, and it can also be heated in some cases.

The weight average molecular weight of the block isocyanate is preferably 2,000 to 8,000, for example, 3,000 to 6,000. If the weight average molecular weight is less than 2,000, it is not preferable because the adhesive strength is lowered. .

The thermosetting resin may be at least one selected from a polyurethane resin, an epoxy resin, a melamine resin, and an acrylic resin, and preferably, a polyurethane resin synthesized by a urethane and urea reaction. It is preferable that the weight average molecular weight of the thermosetting resin is 5,000 to 12,000, for example, 6,000 to 10,000, but less than 5,000, it is not preferable because the adhesive strength is lowered. .

The blocked isocyanate and the thermosetting resin may be included in an amount of 5 to 50% by weight based on the total weight of the ink composition. If the range is out of the above range, the ejection, chemical and abrasion resistance of the inkjet may be deteriorated. Not.

The weight mixing ratio of the blocked isocyanate and thermosetting resin may be 20 to 80:80 to 20, preferably 30:70 to 70:30, and the mixing ratio should be adjusted according to the NCO content of the blocked isocyanate, which is inkjet It may affect the ejectability and adhesive strength.

The ink composition according to an embodiment of the present invention may further include one or more additives selected from the group consisting of pigments, dispersants, monomers, photoinitiators, leveling agents, solvents, and mixtures thereof.

The dispersant comprises a polyesteramine resin, the monomer comprises an acrylate resin, the photoinitiator comprises a phosphine oxide resin or benzophenone resin, the leveling agent is a fluorocarbon compound, poly At least one selected from ether-modified acrylic functional polydimethylsiloxane, organo-modified polysiloxane, fluorine-containing organo-modified siloxane, and fluorine-modified acrylic polymer solution, and the solvent is selected from ether-based and ester-based solvents. It may be one or more kinds.

The acrylate resin is selected from methyl methacrylate, hydroxyl ethyl acrylate, hydroxyl propyl acrylate, hydroxyl propyl methacrylate, isobornyl acrylate, trimetholpropane triacrylate and urethane acrylate Species or more, and the phosphine oxide-based compound includes 2,4,6-trimethylbenzoyl diphenylphosphine oxide, bis (2,6-dimethoxybenzoyl) -2,4,4-trimethylpentyl phosphine oxide and bis ( At least one selected from 2,6-dichlorobenzoyl) propyl phosphine oxide.

An ink printing method according to an embodiment of the present invention may include the following steps:

1) outputting the ink composition according to the present invention on a substrate;

2) top coating the substrate on which the ink composition is output; And

3) drying the topcoated substrate.

In the step 1), the base material is not particularly limited, and may be, for example, at least one selected from natural leather, artificial leather such as polyurethane leather, synthetic resin, and synthetic film, and polyurethane leather is most preferred. Do.

In step 1), the output method may be selected from inkjet printing, dip pen printing, imprinting, contact printing and roll printing, in particular inkjet printing. desirable.

After the step 1), the ink output on the substrate may further perform one or more curing treatments selected from thermal curing and ultraviolet curing, for example, the thermal curing may be performed at 35 to 60 ° C. in a plate heat exchanger. The thermosetting treatment may be performed, and the ultraviolet curing may be performed using a UV lamp.

In the step 2), the top coating is performed on the substrate on which the ink composition is output, and the top coating material is at least one selected from high molecular compounds such as polyurethane-based resins, epoxy resins, melamine resins, polyurethane resins, acrylic resins, and the like. It may include.

In the step 2), the top coating method may be selected from silk screen coating, bar coating, roll coating, spray coating and inkjet coating.

In the step 3), the drying process is to deblock the blocked isocyanate to express the isocyanate, and the expressed isocyanate and the low molecular weight resin are combined to form a high molecular weight polymer resin.

In step 3), the drying may be performed for 10 minutes to 1 hour using a natural drying or cooling fan.

According to the present invention, it is possible to provide articles decorated by the ink printing method according to the present invention, for example, clothing, portable devices, and home appliances.

Hereinafter, the present invention will be described in detail through examples and experimental results conducted to prove the superiority of the thermosetting adhesive of the present invention and the structure bonding method using the same. However, the following examples are for illustrative purposes, and the present invention is not limited to the following examples.

Comparative Example and Example

<Method for Evaluating Ink Physical Properties and Judgment on Physical Properties>

1) Discharge Stability

Discharge test was carried out by applying a dedicated device of Solvent-UV employing a Demetrix spectra Q-CLASS head, and after discharging 1.1 × 1m in the 100% concentration output mode, the discharge stability was evaluated by the number of nozzle missing.

<Decision Criteria>

(Double-circle): No nozzle release after a discharge process.

(Circle): Two or less nozzle releases generate | occur | produce after a discharge process.

(Triangle | delta): Three or more nozzle releases generate | occur | produce after discharge progression.

X: Six or more nozzles were ejected after the discharge process.

2) adhesive

As an experiment for confirming the interaction with the adhesive, the polyurethane adhesive was pressed by a hydraulic press and then the adhesive strength was measured through a peel test.

<Decision Criteria>

◎: adhesive strength over 3.0kg / cm

○: Adhesive strength 2.5kg / cm or more but less than 3.0kg / cm

△: adhesive strength 2.0kg / cm or more but less than 2.5kg / cm

X: adhesive strength less than 2.0kg / cm

3) Flexibility

The leather flexure tester [FLEXO METER (BALLY TYPE)] was applied to check the presence of cracks and peeling on the output surface after repeated 100,000 cycles.

<Decision Criteria>

(Double-circle): No crack and peeling after 100,000 cycles of operation.

(Circle): A crack and peeling generate | occur | produce in 50,000 cycles or more and 100,000 cycles or less.

(Triangle | delta): A crack and peeling generate | occur | produce in 10,000 cycles or more and less than 50,000 cycles.

X: Cracks and peeling occurred in less than 10,000 cycles.

4) Material adhesion

Measured according to ASTM-D3359 method, 100 cross cuts were made in 1cm horizontally and vertically, taped and then peeled off to evaluate the level.

<Decision Criteria>

◎: 5B level

○: 4B level

△: 3B level

X: below 2B level

Examples 1-6

After the ink composition was prepared according to the composition of Table 1 below, the physical properties of the prepared ink were measured, and the measurement results are shown in Table 1 together.

(Unit: weight%)

Furtherance	Example 1	Example 2	Example 3	Example 4	Example 5	Example 6
Blocked isocyanate 1)	25	20	16.7	14.3	12.5	11
Polyurethane 2)	15	20	23.3	25.7	27.5	29
Dispersant 3)	3	3	3	3	3	3
Monomer 4)	3	3	3	3	3	3
TPO 5) / BP 6) (photoinitiator)	2/1	2/1	2/1	2/1	2/1	2/1
Leveling agent 7)	0.5	0.5	0.5	0.5	0.5	0.5
Solvent 8)	50.5	50.5	50.5	50.5	50.5	50.5
Property measurement
OH / NCO ratio 9)	0.6	1.0	1.4	1.8	2.2	2.6
Discharge stability	○	○	◎	◎	◎	◎
Adhesive	◎	◎	◎	◎	○	○
Flexibility	◎	◎	◎	◎	◎	○
Material adhesion	◎	◎	◎	◎	◎	○

1) Diethyl malonate-based block isocyanate (weight average molecular weight: about 4,000) (Brand name: BI 7963, Manufacturer: Baxenden)

2) Polyurethane (weight average molecular weight: about 10,000) (brand name: GR-215)

3) Polyesteramine resin (Brand name: Sol-32550)

4) Urethane acrylate (trade name: PSU-537, manufacturer: YOOSANG Chemical)

5) phosphine oxide photoinitiators (Cambridge Trade)

6) Benzophenone-based photoinitiator (Cambridge Trade)

7) Fluorocarbon compound (trade name: EFKA-3600, manufacturer: BASF Corporation)

8) diethylene glycol methylethyl ether

9) Reaction Ratio of OH Group and NCO Group in the Bonding Reaction of Polyurethane with Block Isocyanate

As shown in Table 1, it can be seen that Examples 1 to 6 show excellent values in all of the discharge stability, adhesion, flexibility and material adhesion, and particularly have the best results in Examples 3 and 4. You can check it.

(Unit: weight%)

Furtherance	Comparative Example 1	Comparative Example 2	Comparative Example 3	Comparative Example 4	Comparative Example 5	Comparative Example 6	Comparative Example 7
Block Isocyanate 1 1)	-	40	25	-	16.7	16.7	16.7
Block Isocyanate 2 2)	-	-	-	16.7	-	-	-
Thermosetting resin 1 3)	40	-	35	23.3	-	-	-
Thermosetting resin 2 4)	-	-	-	-	23.3	-	-
Thermosetting resin 3 5)	-	-	-	-	-	23.3	-
Thermosetting Resin 4 6)	-	-	-	-	-	-	23.3
Dispersant 1 7)	3	3	3	3	3	3	3
Monomer 8)	3	3	3	3	3	3	3
TPO 9) / BP 10) (photoinitiator)	2/1	2/1	2/1	2/1	2/1	2/1	2/1
Leveling Agent 11)	0.5	0.5	0.5	0.5	0.5	0.5	0.5
Solvent 12)	50.5	50.5	50.5	50.5	50.5	50.5	50.5
Property measurement
OH / NCO ratio 13)	-	-	1.4	1.4	1.4	1.4	-
Discharge stability	◎	◎	X	△	◎	△	△
Adhesive	X	X	◎	◎	△	◎	X
Flexibility	X	△	◎	◎	○	◎	○
Material adhesion	△	△	◎	◎	○	◎	○

1) Diethyl malonate-based block isocyanate (weight average molecular weight: about 4,000) (Brand name: BI 7963, Manufacturer: Baxenden)

2) Block isocyanate (average weight molecular weight about 11,000) (brand name: MF-K60B)

3) Polyurethane (weight average molecular weight: about 10,000) (brand name: GR-215)

4) Polyurethane (weight average molecular weight: about 2,000) (brand name: GR-215-1)

5) Polyurethane (weight average molecular weight: about 20,000) (brand name: GR-215-2)

6) Polymethyl methacrylate (weight average molecular weight: about 26,000) (brand name: HCC B67)

7) Polyesteramine resin (Brand name: Sol-32550)

8) Urethane acrylate (trade name: PSU-537, manufacturer: YOOSANG Chemical)

9) phosphine oxide photoinitiators (Cambridge Trade)

10) Benzophenone-based photoinitiator (Cambridge Trade)

11) Fluorocarbon compound (trade name: EFKA-3600, manufacturer: BASF Corporation)

12) diethylene glycol methylethyl ether

13) Reaction Ratio of OH Group and NCO Group in the Bonding Reaction of Polyurethane with Block Isocyanate

As shown in Table 2, in Comparative Example 1 and Comparative Example 2 it can be seen that when one of the polyurethane and the block isocyanate is excluded, the functionality such as adhesion is sharply lowered. In addition, in the case of Comparative Example 3, the content of the block isocyanate and polyurethane is outside the scope of the present invention, it was confirmed that the output stability is poor, and in the case of Comparative Examples 4, 5, and 6, the average of the block isocyanate and thermosetting resin It was confirmed that the molecular weight is out of the scope of the present invention, the adhesion and the discharge stability is inferior, in the case of Comparative Example 7, using a acrylate resin instead of polyurethane as a thermosetting resin is reduced in reactivity with block isocyanate It can be seen that the adhesive force is greatly reduced.

Claims (21)

1. An ink composition comprising blocked isocyanates and thermosetting resins.
2. The method of claim 1,

   In the blocked isocyanate, the isocyanate is methylene diphenyl diisocyanate (MDI), polymeric methylene diphenyl diisocyanate (polymeric MDI), tolylene diisocyanate (TDI), lysine diisocyanate (LDI), hydrogenated tolylene diisocyanate , Hexamethylene diisocyanate (HMDI), xylene diisocyanate (XDI), hydrogenated xylene diisocyanate, naphthalene diisocyanate (NDI), biphenylenedi isocyanide, 2,4,6, -triisopropylphenyl diisocyanate (TIDI), diphenyl ether diisocyanate, tolidine diisocyanate (TODI), isophorone diisocyanate (IPDI), 4,4'-dicyclohexyl methane diisocyanate (HMDI), tetramethylxylene diisocyanate (TMXDI), 2 , 2,4-trimethylhexamethylene diisocyanate (TMHDI), 1,12-diisocyanatododecane (DDI), norbornane diiso Anate (NBDI), 2,4-bis- (8-isocyanatooctyl) -1,3-dioctylcyclobutane (OCDI) and 2,2,4 (2,4,4) -trimethylhexamethylene At least one member selected from diisocyanates (TMDI).
3. The method of claim 1,

   Blocking agents used in the preparation of the blocked isocyanates include malonate compounds, acrylate compounds, alcohol compounds, alkylphenol compounds, active methylene compounds, mercaptan compounds, acidamide compounds, acidimide imidazole compounds, urea compounds, oxime compounds , At least one selected from an amine compound, an imide compound, a caprolactam compound, and a pyrazole compound.
4. The method of claim 1,

   Ink composition, characterized in that the weight average molecular weight of the block isocyanate is 2,000 to 8,000.
5. The method of claim 1,

   The thermosetting resin is at least one member selected from a polyurethane resin, an epoxy resin, a melamine resin and an acrylic resin.
6. The method of claim 1,

   Ink composition, characterized in that the weight average molecular weight of the thermosetting resin is 5,000 to 12,000.
7. The method of claim 1,

   The blocked isocyanate and thermosetting resin are contained in an ink composition of 5 to 50% by weight based on the total weight of the ink composition.
8. The method of claim 7, wherein

   The weight composition ratio of the said blocked isocyanate and thermosetting resin is 20-80: 80-20, The ink composition characterized by the above-mentioned.
9. The method of claim 1,

   An ink composition, further comprising at least one additive selected from the group consisting of pigments, dispersants, monomers, photoinitiators, leveling agents and solvents.
10. The method of claim 9,

    The dispersant comprises a polyesteramine resin, the monomer comprises an acrylate resin, the photoinitiator comprises a phosphine oxide resin or benzophenone resin, the leveling agent is a fluorocarbon compound, poly At least one selected from ether-modified acrylic acid functional polydimethylsiloxane, organo-modified polysiloxane, fluorine-containing organic modified siloxane, and fluorine-modified acrylic polymer solution, and the solvent is at least one selected from ether and ester solvents. An ink composition.
11. The method of claim 10,

    The acrylate-based resin is selected from methyl methacrylate, hydroxyl ethyl acrylate, hydroxyl propyl acrylate, hydroxyl propyl methacrylate, isobornyl acrylate, trimetholpropane triacrylate and urethane acrylate. At least one, and the phosphine oxide-based compound is 2,4,6-trimethylbenzoyl diphenylphosphine oxide, bis (2,6-dimethoxybenzoyl) -2,4,4-trimethylpentyl phosphine oxide and bis An ink composition, characterized in that at least one selected from (2,6-dichlorobenzoyl) propyl phosphine oxide.
12. 1) outputting the ink composition according to any one of claims 1 to 11 on a substrate;

    2) top coating the substrate on which the ink composition is output; And

    3) drying the topcoated substrate;

    Ink printing method comprising a.
13. The method of claim 12,

    In the step 1), the substrate is an ink printing method, characterized in that at least one selected from natural leather, artificial leather, synthetic resin and synthetic film.
14. The method of claim 12,

    In the step 1), the output method is an ink printing method, characterized in that selected from inkjet printing, dip pen printing (dip pen printing), imprinting (contact printing) and roll printing (roll printing).
15. The method of claim 12,

    After said step 1), further comprising at least one curing step selected from thermosetting and ultraviolet curing.
16. The method of claim 15,

    Wherein the heat curing is performed by a heat curing treatment in a plate heat exchanger, and the ultraviolet curing is performed by UV curing with a UV lamp.
17. The method of claim 12,

    In the step 2), the top coating material is an ink printing method, characterized in that it comprises at least one selected from a polyurethane-based resin, epoxy resin, melamine resin and acrylic resin.
18. The method of claim 12,

    In the step 2), the top coating method is ink printing method, characterized in that selected from silk screen coating, bar coating, roll coating, spray coating and inkjet coating.
19. The method of claim 12,

    In the step 3), the drying is ink printing method, characterized in that performed for 10 minutes to 1 hour using a natural drying or cooling fan.
20. The method of claim 12,

    Wherein said ink composition comprises a polyurethane resin, said substrate is comprised of polyurethane leather, and said top coating material comprises a polyurethane resin.
21. An article decorated by the ink printing method according to claim 12.