CN108329777A - UV offset printings water varnish composition and preparation method thereof - Google Patents
UV offset printings water varnish composition and preparation method thereof Download PDFInfo
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- CN108329777A CN108329777A CN201711478625.9A CN201711478625A CN108329777A CN 108329777 A CN108329777 A CN 108329777A CN 201711478625 A CN201711478625 A CN 201711478625A CN 108329777 A CN108329777 A CN 108329777A
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- varnish composition
- water varnish
- emulsion
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention provides a kind of UV offset printings water varnish composition and preparation method thereof, which includes following component：UV reaction monomers, polyaminoester emulsion, acrylic acid ester emulsion, solvent, slipping agent, wax emulsion, wetting agent, antifoaming agent.The UV offset printings preparation method of water varnish composition, includes the following steps：After acrylic acid ester emulsion, polyaminoester emulsion and UV reaction monomers mixings, solvent is added；After mixing, slipping agent, wax emulsion, wetting agent and antifoaming agent is added, after being stirred under the rotating speed of 1100~1300rpm, filtering obtains UV offset printing water varnish compositions.The present invention has following advantageous effect：1, environment-friendlywater-based water-based paint, volatile organic matter are low；2, coating and UV ink are combined closely, and attachment is good；3, coating hardness is high, without embossing adhesion risk when high-temperature storage；4, coating possesses good at film toughness, will not be broken when being squeezed or stretch after being painted with ink.
Description
Technical field
The present invention relates to a kind of UV offset printings water varnish compositions and preparation method thereof, belong to the coating material solidified skills of UV
Art field.
Background technology
UV offset printings are smooth with printing surface effect, texture is good, and saturation degree beautiful in colour is high after printing, in addition UV glue
Print ink has the characteristics that fast drying, wearability are good and is free of solvent without discharge, therefore is widely used in tobacco package, drinks
With Key works Drug packing and food packaging applications.UV offset printings include mainly that coating varnish and printing offset ink cross UV solidifications two
A step, at present offset printing varnish be divided into two big systems：One, solvent based coating, such coating have the characteristics that ink good attachment, but
Since containing solvent lifting can be generated to the transfer coated corrosion dissolution on base material, and there is pollution to bad border；Two, water varnish,
Solvent is mainly water and ethyl alcohol, and VOC emission is low, is one of the mainstream developed now.Common water varnish is due to pursuing and oil
The adhesive force of ink, it is generally partially soft, therefore the resistance to embossing heatproof of coating is not ideal enough, winding will appear floating, whiten now when storing
As.
Invention content
For the defects in the prior art, the object of the present invention is to provide a kind of UV offset printings water varnish compositions
And preparation method thereof.
The present invention is achieved by the following technical solutions：
The present invention provides a kind of UV offset printings water varnish compositions comprising count in parts by weight such as the following group
Point：
Preferably, the UV reaction monomers are hydrophilic monomer, and degree of functionality is 2~5, level of inhibitor 200
~400ppm.
Preferably, the minimum film formation temperature of the polyaminoester emulsion is the elongation at break 150 no more than 30 DEG C
~200%, solid content 35%.
Preferably, the glass transition temperature of the acrylic acid ester emulsion be not less than 90 DEG C, surface tension be 40~
50DA, viscosity are no more than 500mpas, solid content 50%.
Preferably, the solvent is one or both of second alcohol and water.
Preferably, the slipping agent is organic silicon modified by polyether class.
Preferably, the wax emulsion is polyethylene wax, polytetrafluoroethylwax wax, one kind in polypropylene wax or more
Kind；
Preferably, the antifoaming agent is the one kind or more for having polyether modified siloxane, vegetable oil and mineral oils
Kind；
Preferably, the wetting agent is that acetylenic diols or organic silicon modified by polyether class are one or two kinds of.
Second aspect, the present invention also provides a kind of preparation sides of UV offset printings water varnish composition as the aforementioned
Method comprising following steps：
After acrylic acid ester emulsion, polyaminoester emulsion and UV reaction monomers mixings, solvent is added；
After mixing, slipping agent, wax emulsion, wetting agent and antifoaming agent is added, is stirred under the rotating speed of 1100~1300rpm
After mixing, 250 mesh filter screens are crossed, UV offset printing water varnish compositions are obtained.
Usually in UV ink solidifications, ink contraction will produce an inside stress, cause between UV ink layers and varnish
Combination dynamics it is inadequate, influence to adhere to.And UV reaction monomers of the present invention are dispersed in entire varnish coat, when coating UV offset printing oil
Ink is irradiated with UV lamp, and the double bond of the UV resins in double bond and ink in the UV reaction monomers of varnish surface layer can all be broken, mutually hand over
Connection solidification makes layer of varnish and ink layer combine closer, and ink attachment is more preferable, and hard propylene yogurt can be added on this basis
Liquid, and acrylic acid ester emulsion increases coating hardness, can improve scratch-resistant and resistance to embossability；In addition polyaminoester emulsion increases coating
At film toughness, ensure that coating will not be broken in the case where centainly being stretched.
Compared with prior art, the present invention has following advantageous effect：
1, environment-friendlywater-based water-based paint, volatile organic matter are low；
2, coating and UV ink are combined closely, and attachment is good.
3, coating hardness is high, without embossing adhesion risk when high-temperature storage.
4, coating possesses good at film toughness, will not be broken when being squeezed or stretch after being painted with ink.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
Table 1
| UV reaction monomers | 1 |
| Polyaminoester emulsion | 20 |
| Acrylic acid ester emulsion | 44 |
| Ethyl alcohol：Water=3:1 | 34 |
| Slipping agent | 0.1 |
| Wax emulsion | 1 |
| Wetting agent | 0.2 |
| Antifoaming agent | 0.2 |
The UV offset printings of the present embodiment are as shown in table 1 with the formula of water varnish composition, and preparation method includes as follows
Step：
After acrylic acid ester emulsion, polyaminoester emulsion and UV reaction monomers mixings, solvent is added；
After mixing, slipping agent, wax emulsion, wetting agent and antifoaming agent is added, is stirred under the rotating speed of 1100~1300rpm
After mixing, 250 mesh filter screens are crossed, UV offset printing water varnish compositions are obtained.
Embodiment 2
Table 2
The UV offset printings of the present embodiment are as shown in table 2 with the formula of water varnish composition, preparation method and embodiment 1
It is identical.
Embodiment 3
Table 3
| UV reaction monomers | 3 |
| Polyaminoester emulsion | 28.5 |
| Acrylic acid ester emulsion | 34 |
| Ethyl alcohol：Water=2:1 | 32.5 |
| Slipping agent | 0.1 |
| Wax emulsion | 2 |
| Wetting agent | 0.1 |
| Antifoaming agent | 0.1 |
The UV offset printings of the present embodiment are as shown in table 3 with the formula of water varnish composition, preparation method and embodiment 1
It is identical.
Embodiment 4
Table 4
The UV offset printings of the present embodiment are as shown in table 4 with the formula of water varnish composition, preparation method and embodiment 1
It is identical.
Embodiment 5
Table 5
| UV reaction monomers | 5 |
| Polyaminoester emulsion | 35 |
| Acrylic acid ester emulsion | 26 |
| Ethyl alcohol：Water=2:1 | 30 |
| Slipping agent | 0.1 |
| Wax emulsion | 4 |
| Wetting agent | 0.1 |
| Antifoaming agent | 0.1 |
The UV offset printings of the present embodiment are as shown in table 5 with the formula of water varnish composition, preparation method and embodiment 1
It is identical.
Comparative example 1
Table 6
| UV reaction monomers | 1 |
| Polyaminoester emulsion | 28.5 |
| Acrylic acid ester emulsion | 34 |
| Ethyl alcohol：Water=2:1 | 34.5 |
| Slipping agent | 0.1 |
| Wax emulsion | 2 |
| Wetting agent | 0.1 |
| Antifoaming agent | 0.1 |
The UV offset printings of this comparative example are as shown in table 6 with the formula of water varnish composition, preparation method and embodiment 1
It is identical.
Comparative example 2
Table 7
| UV reaction monomers | 3 |
| Polyaminoester emulsion | 22 |
| Acrylic acid ester emulsion | 34 |
| Ethyl alcohol：Water=2:1 | 39 |
| Slipping agent | 0.1 |
| Wax emulsion | 2 |
| Wetting agent | 0.1 |
| Antifoaming agent | 0.1 |
The UV offset printings of this comparative example are as shown in table 7 with the formula of water varnish composition, preparation method and embodiment 1
It is identical.
Comparative example 3
Table 8
| UV reaction monomers | 3 |
| Polyaminoester emulsion | 28.5 |
| Acrylic acid ester emulsion | 26 |
| Ethyl alcohol：Water=2:1 | 40.5 |
| Slipping agent | 0.1 |
| Wax emulsion | 2 |
| Wetting agent | 0.1 |
| Antifoaming agent | 0.1 |
The UV offset printings of this comparative example are as shown in table 8 with the formula of water varnish composition, preparation method and embodiment 1
It is identical.
Embodiment 6
Adhesive force, resistance to embossing, folding test
It is prepared by specimen page A：The film for shifting silver card surface is torn, so that transfer layer is exposed, then by comparative example, embodiment 1-5
Coating is coated on BOPP citicall limited aluminium films with Weng Kaier 4# bars and is dried, and drying efficiency is 120 DEG C, 10s.
It is prepared by specimen page B：UV ink is uniformly coated on specimen page A with glue stick, is then placed in the solidification of UV machines, solidification energy
150
Adhesive force is tested：Using cross-cut methods test ink adhesive force：It is drawn in the UV offset printing layer of ink of specimen page B with sharp cutter
Then the identical cross grid square of multiple sizes, notch are diagonally respectively brushed five times with hairbrush, are pasted with 3M adhesive tapes until base material
It on notch and pulls open, observes ink adhesion condition.
Resistance to embossing test：Specimen page A is cut into the square of 30 2cm*2cm, it is folded to be clipped in two pieces of 1dm*1dm tempered glass
Between, the counterweight (paying attention to keeping balance) of 5KG is added on glass, 50 DEG C of constant temperature oven is then placed in, it is tacky to observe and record specimen page
With the hair time spent.
Folding is tested：Specimen page B is folded for 180 ° back and forth, observes and records number needed for the ink cracking on specimen page B.
Table 9
Test result analysis：
As shown in table 9, comparative example 3, comparative example 1,2,3 reduce UV reaction monomers, polyaminoester emulsion, acrylic acid respectively
Ester lotion, it can be seen that UV reaction monomers, polyaminoester emulsion adhere to varnish, folding has good facilitation；And acrylic acid
Ester lotion can then effectively improve resistance to embossability.
From final result, embodiment 3 and 4 also has good while ensureing high adhesion force and resistance to embossability
Folding quality.
In summary it analyzes, the present invention develops a kind of UV offset printings water varnish coating, is mainly characterized by wherein
Add UV reaction monomers and polyaminoester emulsion so that product possess stronger attachment and it is good it is resistance to be folded down, can be added more hard
Acrylic acid improves resistance to embossability, while having good VOCs, and commonly using aqueous, solvent type UV offset printing coating more in the market has obviously
Advantage.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of UV offset printings water varnish composition, which is characterized in that including the following component counted in parts by weight：
2. UV offset printings water varnish composition as described in claim 1, which is characterized in that the UV reaction monomers are
Hydrophilic monomer, degree of functionality are 2~5, and level of inhibitor is 200~400ppm.
3. UV offset printings water varnish composition as described in claim 1, which is characterized in that the polyaminoester emulsion
Minimum film formation temperature is no more than 30 DEG C, and elongation at break is 150~200%, solid content 35%.
4. UV offset printings water varnish composition as described in claim 1, which is characterized in that the acrylic acid ester emulsion
Glass transition temperature be not less than 90 DEG C, surface tension be 40~50DA, viscosity be no more than 500mpas, solid content 50%.
5. UV offset printings water varnish composition as described in claim 1, which is characterized in that the solvent be ethyl alcohol and
One or both of water.
6. UV offset printings water varnish composition as described in claim 1, which is characterized in that the slipping agent is polyethers
Modified organic silicon class.
7. UV offset printings water varnish composition as described in claim 1, which is characterized in that the wax emulsion is poly- second
It is one or more in alkene wax, polytetrafluoroethylwax wax, polypropylene wax.
8. UV offset printings water varnish composition as described in claim 1, which is characterized in that the antifoaming agent is poly- to have
Ether modified siloxane, vegetable oil and mineral oils it is one or more.
9. UV offset printings water varnish composition as described in claim 1, which is characterized in that the wetting agent is alkynes two
Alcohols or organic silicon modified by polyether class are one or two kinds of.
10. a kind of preparation method of UV offset printings water varnish composition as described in claim 1, which is characterized in that
Include the following steps：
After acrylic acid ester emulsion, polyaminoester emulsion and UV reaction monomers mixings, solvent is added；
After mixing, slipping agent, wax emulsion, wetting agent and antifoaming agent is added, is stirred under the rotating speed of 1100~1300rpm
Afterwards, 250 mesh filter screens are crossed, UV offset printing water varnish compositions are obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478625.9A CN108329777B (en) | 2017-12-29 | 2017-12-29 | Water-based varnish composition for UV offset printing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478625.9A CN108329777B (en) | 2017-12-29 | 2017-12-29 | Water-based varnish composition for UV offset printing and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108329777A true CN108329777A (en) | 2018-07-27 |
| CN108329777B CN108329777B (en) | 2020-10-09 |
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ID=62924495
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679476A (en) * | 2018-12-28 | 2019-04-26 | 上海乘鹰新材料有限公司 | PET film face water varnish and preparation method for Indigo printing |
| CN113004852A (en) * | 2019-12-19 | 2021-06-22 | 中钞特种防伪科技有限公司 | Composition for preparing hot melt adhesive, hot melt adhesive and application thereof |
| CN114106605A (en) * | 2021-12-02 | 2022-03-01 | 江苏顺泰包装印刷科技有限公司 | Water-based varnish with strong adhesive force and suitable for UV printing and preparation system thereof |
| CN114922000A (en) * | 2022-06-17 | 2022-08-19 | 南京百聚科技有限公司 | Paper coating water-based varnish and preparation method thereof |
| CN116285543A (en) * | 2023-05-25 | 2023-06-23 | 广东德冠薄膜新材料股份有限公司 | Reinforced UV (ultraviolet) ink printing film and preparation method thereof |
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| JP2006206802A (en) * | 2005-01-31 | 2006-08-10 | Toyo Ink Mfg Co Ltd | Aqueous coating composition and printed matter using the same |
| CN103509450A (en) * | 2012-06-21 | 2014-01-15 | 中国科学院化学研究所 | Primer for waterless offset printing plate making, preparation method and application thereof |
| CN105368231A (en) * | 2015-12-09 | 2016-03-02 | 杭华油墨股份有限公司 | Water-based under coating varnish used before UV curable varnish printing, and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006206802A (en) * | 2005-01-31 | 2006-08-10 | Toyo Ink Mfg Co Ltd | Aqueous coating composition and printed matter using the same |
| CN103509450A (en) * | 2012-06-21 | 2014-01-15 | 中国科学院化学研究所 | Primer for waterless offset printing plate making, preparation method and application thereof |
| CN105368231A (en) * | 2015-12-09 | 2016-03-02 | 杭华油墨股份有限公司 | Water-based under coating varnish used before UV curable varnish printing, and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679476A (en) * | 2018-12-28 | 2019-04-26 | 上海乘鹰新材料有限公司 | PET film face water varnish and preparation method for Indigo printing |
| CN113004852A (en) * | 2019-12-19 | 2021-06-22 | 中钞特种防伪科技有限公司 | Composition for preparing hot melt adhesive, hot melt adhesive and application thereof |
| CN113004852B (en) * | 2019-12-19 | 2022-07-19 | 中钞特种防伪科技有限公司 | Composition for preparing hot melt adhesive, hot melt adhesive and application thereof |
| CN114106605A (en) * | 2021-12-02 | 2022-03-01 | 江苏顺泰包装印刷科技有限公司 | Water-based varnish with strong adhesive force and suitable for UV printing and preparation system thereof |
| CN114922000A (en) * | 2022-06-17 | 2022-08-19 | 南京百聚科技有限公司 | Paper coating water-based varnish and preparation method thereof |
| CN116285543A (en) * | 2023-05-25 | 2023-06-23 | 广东德冠薄膜新材料股份有限公司 | Reinforced UV (ultraviolet) ink printing film and preparation method thereof |
| CN116285543B (en) * | 2023-05-25 | 2023-08-08 | 广东德冠薄膜新材料股份有限公司 | Reinforced UV (ultraviolet) ink printing film and preparation method thereof |
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