CN110016251A - A kind of aquosity intaglio printing ink - Google Patents
A kind of aquosity intaglio printing ink Download PDFInfo
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- CN110016251A CN110016251A CN201910305588.4A CN201910305588A CN110016251A CN 110016251 A CN110016251 A CN 110016251A CN 201910305588 A CN201910305588 A CN 201910305588A CN 110016251 A CN110016251 A CN 110016251A
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- printing ink
- intaglio printing
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- aquosity intaglio
- carboxylic acid
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention belongs to print technical field of ink, and in particular to a kind of aquosity intaglio printing ink.Aquosity intaglio printing ink provided by the present invention, be 100 parts by weight by the aquosity intaglio printing ink total weight in terms of, including following parts by weight of component: 35-40 parts of carboxylic acid type aqueous polyurethane emulsion；0.6-1 parts of aqueous dispersion；0-0.7 parts of substrate wetting agents；20-45 parts of pigment；0-1.2 parts of cellulose acetate-butyrate；5-8 parts of ethyl alcohol；0-1 parts of defoaming agent；10-34 parts of water；The carboxylic acid type aqueous polyurethane emulsion mainly carries out polycondensation reaction as raw material using poly- hexylene glycol neopentyl glycol ester, isophorone diisocyanate and dihydromethyl propionic acid and prepares.Under the synergistic effect of above-mentioned each component, aquosity intaglio printing ink flexibility of the present invention is good, and dispersion performance is good, and there is excellent anti-adhesion performance, there is splendid adhesion effect, especially PET, BOPP film to the film of a variety of different hardness, and print speed printing speed is made to can reach 200 meters per minute or more.
Description
Technical field
The invention belongs to print technical field of ink, and in particular to a kind of aquosity intaglio printing ink.
Background technique
For packing, reporting, the solvent-based ink of impurity printing be much aromatic series with benzene,toluene,xylene etc
Compound is that solvent not only pollutes air, and be carcinogen after solvent volatilization.As environmental requirement is into one
Step improves, and demand of the market to non-organic solvent ink is increasing.It is organic molten that water-based ink biggest advantage is free from volatility
Agent, exploitation are the last huge revolutions of ink process industry.However, being done since water-based ink is dispersion system
Dry speed is slower, and its dispersibility and its still needs to matching property of gravure substrate further perfect.
Summary of the invention
In view of this, the main purpose of the present invention is to provide a kind of aquosity intaglio printing inks, it is intended to solve existing aqueous oil
Black slow drying speed, the technical problem with the matching property difference of gravure substrate etc..
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of aquosity intaglio printing inks, with the aquosity intaglio printing ink
Total weight is 100 parts by weight meters, including following parts by weight of component:
Wherein, the carboxylic acid type aqueous polyurethane emulsion is mainly with poly- hexylene glycol neopentyl glycol ester, two isocyanide of isophorone
Acid esters and dihydromethyl propionic acid are that raw material progress polycondensation reaction prepares.
Aquosity intaglio printing ink provided by the invention, including matched with specified weight carboxylic acid type aqueous polyurethane emulsion,
Aqueous dispersion, substrate wetting agents, pigment, cellulose acetate-butyrate, ethyl alcohol, defoaming agent and water, wherein the aqueous poly- ammonia of carboxylic acid type
Ester lotion mainly carries out polycondensation by raw material of poly- hexylene glycol neopentyl glycol ester, isophorone diisocyanate and dihydromethyl propionic acid
Reaction prepares.Under the synergistic effect of above-mentioned each component, aquosity intaglio printing ink flexibility of the present invention is good, and dispersion performance is good,
And there is excellent anti-adhesion performance, have splendid adhesion effect, especially PET, BOPP thin the film of a variety of different hardness
Film, and print speed printing speed is made to can reach 200 meters per minute or more.Meanwhile aquosity intaglio printing ink of the present invention using water and ethyl alcohol as
Diluent, dramatically reduces the discharge amount of VOCS, and environmentally friendly quick-drying is suitable for the product packagings such as food, medicine, cosmetics
Printing.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The quality of each component noted in the disclosure of the embodiment of the present invention not only may refer to specifically containing for each component
Amount, can also indicate the proportionate relationship of quality between each component, therefore, as long as each according to specification composition of the embodiment of the present invention
The content of component is scaled up or is reduced within specification of embodiment of the present invention scope of disclosure.Specifically, of the invention
Embodiment quality described in the specification can be unit of weight well known to the field of medicaments such as μ g, mg, g, kg.
In order to solve the above-mentioned technical problem, the applicant provides a kind of aquosity intaglio printing ink, with the aqueous gravure oil
Black total weight is 100 parts by weight meters, including following parts by weight of component:
Wherein, the carboxylic acid type aqueous polyurethane emulsion is mainly with poly- hexylene glycol neopentyl glycol ester, two isocyanide of isophorone
Acid esters and dihydromethyl propionic acid are that raw material progress polycondensation reaction prepares.
Specifically, carboxylic acid type aqueous polyurethane emulsion is the main component of aquosity intaglio printing ink of the embodiment of the present invention, it is one
The block copolymer being made of rigid chain segment and soft segment.In embodiments of the present invention, the carboxylic acid type aqueous polyurethane cream
Liquid mainly carries out polycondensation reaction by raw material of poly- hexylene glycol neopentyl glycol ester, isophorone diisocyanate and dihydromethyl propionic acid
It prepares, the selection of raw material and the practical formation on rigid chain segment and soft segment have direct influence, affect coating
Dispersion performance and printed coating performance.The carboxylic acid type aqueous polyurethane emulsion cooperates with other components, imparts the present invention
The good flexibility of embodiment aquosity intaglio printing ink, dispersion performance is good, and resistance to bond is excellent, and adhesive force is good, and print speed printing speed significantly adds
Fastly, anti-yellowing property is outstanding, is particularly suitable for PET, BOPP film.Further, it is with the aquosity intaglio printing ink total weight
100 parts by weight meters, the carboxylic acid type aqueous polyurethane emulsion be 35-40 parts, specially 35,36,37,38,39,40 parts, at this
Within the scope of parts by weight, it may make the comprehensive performance of aquosity intaglio printing ink of the embodiment of the present invention best.
As preferred embodiment, with the preparation raw material gross weight of the carboxylic acid type aqueous polyurethane emulsion for 100%
Meter, the raw material for preparing of the carboxylic acid type aqueous polyurethane emulsion includes weight percentage component: poly- hexylene glycol neopentyl glycol ester
22%-25%, isophorone diisocyanate 10.2%-12.2%, dihydromethyl propionic acid 2%-4%, N-Methyl pyrrolidone
5.5%-7.5%, acetone 4%-6%, dibutyl tin dilaurate 0.001%-0.003%, triethylamine 1.5%-3.5%, second
The water of diamines 0.3%-0.7% and surplus.Dihydromethyl propionic acid introduces hydrophilic group as chain extender in polyurethane segment
Group's carboxylate radical, is allowed to stable dispersion in water.Further, in the carboxylic acid type aqueous polyurethane emulsion, the carboxylate radical
Content is preferably 1.5%-2.5%.N-Methyl pyrrolidone can dissolve dihydromethyl propionic acid, guarantee that the stabilization of polycondensation reaction is fast
Speed carries out, and using the N-Methyl pyrrolidone of 5.5%-7.5% as raw material, may make the carboxylic acid type aqueous polyurethane cream of preparation
Liquid particles uniform particle sizes reduce aqueous polyurethane elongation at break, increase hardness, have good flexibility, improve remaining modeling
Expect the adhesion of film substrate.
Further, in one embodiment, the preparation of the carboxylic acid type aqueous polyurethane emulsion includes:
The poly- hexylene glycol neopentyl glycol ester, isophorone diisocyanate and the dibutyl tin dilaurate are mixed
It closes, is reacted 1-2 hours at 75-80 DEG C, obtain base polyurethane prepolymer for use as；
The base polyurethane prepolymer for use as, the dihydromethyl propionic acid and the N-Methyl pyrrolidone are mixed, in 45-
It is reacted at 55 DEG C, acetone dilution is then added, the triethylamine is then added and is neutralized, the water is added later and is divided
Dissipate, add the ethylenediamine chain extension, be finally concentrated into preset viscosity and solid content to get.
Preferably, viscosity of the carboxylic acid type aqueous polyurethane emulsion at 25 DEG C is 20-50mPas, stable storing
Property it is good, improve the stability of ink, be suitable for a variety of different pigment, and ink is made to be not easy thickening behavior occur.
Preferably, the solid content of the carboxylic acid type aqueous polyurethane emulsion is 32%-36%, good film-forming property, so that oily
The drying property of ink reaches optimum state, significantly improves print speed printing speed.
In embodiments of the present invention, the pigment is the colorant of ink, is chosen as organic pigment or inorganic pigment.As
It is preferred that the pigment is titanium dioxide, carbon black, phthalocyanine blue, permanent bordeaux, resistance to sunburn or permanent yellow, in one embodiment, the pigment
It is selected as titanium dioxide.Further, in terms of by the aquosity intaglio printing ink total weight for 100 parts by weight, the pigment is 20-45 parts,
Specially 20,22,25,26,30,33,35,37,40,41,42,43,44,45 parts, the pigment energy within the scope of the parts by weight
It is dispersed stably in the carboxylic acid type aqueous polyurethane emulsion of above-mentioned parts by weight.
In embodiments of the present invention, the aqueous dispersion is the high-molecular block copolymer of the affinity groups containing pigment,
In one embodiment, the aqueous dispersion be preferably BYK190, Wuhan substrate 1189W,The water of FA620
Property dispersing agent, can fully by formula pigment and most of filler be effectively dispersed in water-based system, improve ink
Dispersion performance.Further, in terms of by the aquosity intaglio printing ink total weight for 100 parts by weight, the aqueous dispersion is
0.6-1 parts, specially 0.6,0.7,0.8,0.9,1 part, the face of aqueous dispersion and above-mentioned parts by weight within the scope of the parts by weight
Material, carboxylic acid type aqueous polyurethane emulsion synergistic effect, so that ink has good dispersion performance, and attached with plastic film substrate
Have excellent performance, be especially suitable for PET, BOPP film gravure substrate.
In embodiments of the present invention, the substrate wetting agents are preferably organic silicon modified by polyether, in one embodiment, described
Substrate wetting agents are preferably the substrate wetting agents of KOOLY-8191.The ink surface tension of dispersion system is higher, the present invention
Implement to be added that the surface tension of water paint can be significantly reduced using organic silicon modified by polyether as the substrate wetting agents of base, guarantees
Good wetting effect is relatively suitable for the gravure printing of PET, BOPP film, can reach good coating result.Further,
The molecular weight of the organic silicon modified by polyether is 2000-3000.Further, it is with the aquosity intaglio printing ink total weight
100 parts by weight meters, the substrate wetting agents are 0-0.7 parts, specially 0,0.1,0.2,0.3,0.4,0.5,0.6,0.7 part, excellent
0.3-0.7 parts are selected as, the aqueous dispersion of the substrate wetting agents within the scope of the parts by weight and above-mentioned weight,
The pigment, the carboxylic acid type aqueous polyurethane synergistic effect so that the aquosity intaglio printing ink of the embodiment of the present invention both had it is good
Good dispersion performance, and there is good adhesive force with film substrate, and print speed printing speed can be significantly improved, make its print speed printing speed can
Reach 200 meters per minute or more.
In embodiments of the present invention, the cellulose acetate-butyrate is flowing regulator, for adjusting the embodiment of the present invention
The levelability of aquosity intaglio printing ink improve printing quality so that printing product surface is smooth.Further, with the aqueous gravure
Total weight of printing ink be 100 parts by weight meters, the cellulose acetate-butyrate be 0-1.2 parts, specially 0.1,0.2,0.3,0.4,
0.5,0.6,0.7,0.8,0.9,1,1.1,1.2 part, preferably 0.6-1.2 parts.
In embodiments of the present invention, the defoaming agent is preferably organic silicon defoamer, in one embodiment, the defoaming agent
Preferably derive from315, the organic silicon defoamer of KOOLY3192, DAPRO (R) DF1181.The organosilicon disappears
Infusion and defoaming agent act synergistically, so that printing product surface is smooth, printing product surface are avoided phenomena such as white point, sand holes and water wave occur.
Further, by the aquosity intaglio printing ink total weight be 100 parts by weight in terms of, the defoaming agent be 0-1 parts, specially 0.1,
0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1 part, preferably 0.3-1 parts.
In embodiments of the present invention, the printing element of the aquosity intaglio printing ink is PET, BOPP film.The present invention is implemented
The aquosity intaglio printing ink that example provides is particularly suitable for PET, BOPP film, can reach often in the print speed printing speed of PET, BOPP film
200 meters of minute or more.
In embodiments of the present invention, the fineness of the aquosity intaglio printing ink is 15 microns or less.
To sum up, aquosity intaglio printing ink provided by the invention, in the carboxylic acid type aqueous polyurethane cream matched with specified weight
Liquid, aqueous dispersion, substrate wetting agents, pigment, cellulose acetate-butyrate, ethyl alcohol, defoaming agent and water synergistic effect under, it is flexible
Property it is good, dispersion performance is good, and has excellent anti-adhesion performance, there is splendid adhesion effect to the films of a variety of different hardness,
Especially PET, BOPP film, and print speed printing speed is made to can reach 200 meters per minute or more.Meanwhile the aqueous gravure oil of the present invention
Mo Yishui and ethyl alcohol dramatically reduce the discharge amount of VOCS as diluent, environmentally friendly quick-drying, be suitable for food, medicine,
The printing of the product packagings such as cosmetics.
Correspondingly, the present invention also provides a kind of preparation methods of above-mentioned aquosity intaglio printing ink, comprising the following steps:
S01, carboxylic acid type aqueous polyurethane emulsion is prepared；
S02, by the step S01 carboxylic acid type aqueous polyurethane emulsion prepared and aqueous dispersion, substrate wetting agents, pigment,
Cellulose acetate-butyrate, ethyl alcohol, defoaming agent and water are sufficiently mixed, and then grinding makes fineness reach 5 microns hereinafter, to obtain the final product.
Specifically, the specific preparation process of the carboxylic acid type aqueous polyurethane emulsion is as follows in step S01:
S011, by the preparation raw material gross weight of the carboxylic acid type aqueous polyurethane emulsion be 100% in terms of, raw material are provided:
Poly- hexylene glycol neopentyl glycol ester 22%-25%, isophorone diisocyanate 10.2%-12.2%, dihydromethyl propionic acid 2%-
4%, N-Methyl pyrrolidone 5.5%-7.5%, acetone 4%-6%, dibutyl tin dilaurate 0.001%-0.003%, three
Ethamine 1.5%-3.5%, the water of ethylenediamine 0.3%-0.7% and surplus；
S012, by the poly- hexylene glycol neopentyl glycol ester, isophorone diisocyanate and the dibutyl tin cinnamic acid
Tin mixing, reacts 1-2 hours at 75-80 DEG C, obtains base polyurethane prepolymer for use as；
The base polyurethane prepolymer for use as, the dihydromethyl propionic acid and the N-Methyl pyrrolidone are mixed, in 45-
It is reacted at 55 DEG C, acetone dilution is then added, the triethylamine is then added and is neutralized, the water is added later and is divided
Dissipate, add the ethylenediamine chain extension, be finally concentrated into preset viscosity and solid content to get.
To make, the above-mentioned implementation detail of the present invention and operation can be clearly readily appreciated by one skilled in the art and the present invention is real
The progress performance for applying a kind of aquosity intaglio printing ink of example embodies significantly, lifts by the following examples to implementation of the invention
Example explanation.
Embodiment 1
A kind of aquosity intaglio printing ink is present embodiments provided, preparation process includes the following steps:
1) raw material is weighed: carboxylic acid type aqueous polyurethane emulsion 350kg, aqueous dispersion 8kg, substrate wetting agents 7kg, titanium white
Powder 400kg, cellulose acetate-butyrate 10kg, ethyl alcohol 70kg, defoaming agent 10kg and water 145kg；
2) above-mentioned raw materials are mixed, high-speed stirred makes the mixing of each raw material sufficiently, then grinding make fineness reach 5 microns with
Under to get.
Embodiment 2
A kind of aquosity intaglio printing ink is present embodiments provided, preparation process includes the following steps:
1) raw material is weighed: carboxylic acid type aqueous polyurethane emulsion 350kg, aqueous dispersion 6kg, substrate wetting agents 7kg, organic
Pigment 200kg, cellulose acetate-butyrate 12kg, ethyl alcohol 80kg, defoaming agent 10kg and water 335kg；
2) above-mentioned raw materials are mixed, high-speed stirred makes the mixing of each raw material sufficiently, then grinding make fineness reach 5 microns with
Under to get.
Test case
1, the aquosity intaglio printing ink of Example 1 adds water to adjust viscosity to 15-17mPas, and then upper machine carries out gravure print
Brush.Wherein, plastic gravure electric carving version line number 90,25-30 μm of depth；Bellows length 2.5m, bellows wind speed 30-35m/s.
BOPP, PEF film are printed with speed 200m/s, it is found that drying property of the ink on BOPP, PEF film is superior,
It is not in after-tack phenomenon, and through adhesive tape test non cohesive gel band.
2, the aquosity intaglio printing ink of Example 2 carries out longitudinal 90 ° of peel test, and test result is as shown in table 1.
Table 1
| Plastic film | Spread (g/m2) | Peel strength (N/m) |
| OPP/CPP | 2.56 | 1.47 |
| PET/CPP | 2.63 | 1.52 |
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of aquosity intaglio printing ink, which is characterized in that by the aquosity intaglio printing ink total weight be 100 parts by weight in terms of, including
Following parts by weight of component:
Wherein, the carboxylic acid type aqueous polyurethane emulsion is mainly with poly- hexylene glycol neopentyl glycol ester, isophorone diisocyanate
It is that raw material progress polycondensation reaction prepares with dihydromethyl propionic acid.
2. aquosity intaglio printing ink according to claim 1, which is characterized in that with the carboxylic acid type aqueous polyurethane emulsion
Preparing raw material gross weight is 100% meter, and the raw material for preparing of the carboxylic acid type aqueous polyurethane emulsion includes weight percentage group
Point: poly- hexylene glycol neopentyl glycol ester 22%-25%, isophorone diisocyanate 10.2%-12.2%, dihydromethyl propionic acid
2%-4%, N-Methyl pyrrolidone 5.5%-7.5%, acetone 4%-6%, dibutyl tin dilaurate 0.001%-
0.003%, triethylamine 1.5%-3.5%, the water of ethylenediamine 0.3%-0.7% and surplus.
3. aquosity intaglio printing ink according to claim 1, which is characterized in that the carboxylic acid type aqueous polyurethane emulsion is 25
DEG C when viscosity be 20-50mPas.
4. aquosity intaglio printing ink according to any one of claims 1 to 3, which is characterized in that the aqueous dispersion be containing
The high-molecular block copolymer of pigment affinity groups；And/or
The substrate wetting agents are organic silicon modified by polyether.
5. aquosity intaglio printing ink according to any one of claims 1 to 3, which is characterized in that the pigment be selected from titanium dioxide,
Carbon black, phthalocyanine blue, permanent bordeaux, resistance to sunburn or permanent yellow.
6. aquosity intaglio printing ink according to any one of claims 1 to 3, which is characterized in that the defoaming agent is organosilicon
Defoaming agent.
7. aquosity intaglio printing ink according to any one of claims 1 to 3, which is characterized in that the aquosity intaglio printing ink
Printing element is PET, BOPP film.
8. aquosity intaglio printing ink according to any one of claims 1 to 3, which is characterized in that the aquosity intaglio printing ink
Fineness is 5 microns or less.
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| CN112625497A (en) * | 2020-12-31 | 2021-04-09 | 江西赐彩新材料股份有限公司 | Gravure ink for PET mobile phone membrane and preparation method thereof |
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| CN114672192A (en) * | 2022-05-20 | 2022-06-28 | 苏州中亚油墨有限公司 | High-fluidity high-adhesion-fastness gravure printing ink and preparation method thereof |
| JP7462083B1 (en) | 2022-09-30 | 2024-04-04 | 世目特種防護用品科技（江蘇）有限公司 | Aqueous polyurethane emulsion and its manufacturing method |
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| CN114672192A (en) * | 2022-05-20 | 2022-06-28 | 苏州中亚油墨有限公司 | High-fluidity high-adhesion-fastness gravure printing ink and preparation method thereof |
| CN114672192B (en) * | 2022-05-20 | 2023-01-03 | 苏州中亚油墨有限公司 | High-fluidity high-adhesion-fastness gravure printing ink and preparation method thereof |
| JP7462083B1 (en) | 2022-09-30 | 2024-04-04 | 世目特種防護用品科技（江蘇）有限公司 | Aqueous polyurethane emulsion and its manufacturing method |
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Application publication date: 20190716 |