CN103540240B - UV-composite laser coating composition - Google Patents
UV-composite laser coating composition Download PDFInfo
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- CN103540240B CN103540240B CN201310454620.8A CN201310454620A CN103540240B CN 103540240 B CN103540240 B CN 103540240B CN 201310454620 A CN201310454620 A CN 201310454620A CN 103540240 B CN103540240 B CN 103540240B
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Abstract
The invention discloses a kind of UV composite laser coating composition；This coating composition is the coating Han UV the most admittedly, including following components and parts by weight: light-cured resin 10～60 parts, and photo polymerization monomer 35～75 parts, light trigger 2～8 parts, auxiliary agent 0～3 parts.The UV composite laser coating composition of the present invention uses and molds the holographic laser effect of UV illumination curing technique making simultaneously, UV illumination curing technique simultaneously is molded because using, UV composite laser coating composition can not only do the laser effect of common shallow trench, and can do the laser pattern of deeper groove.Compared with prior art, the present invention also has the advantage that because using the formula Han UV the most admittedly, containing less solvent or without solvent in formula, less solvent volatilization in using, reduces air pollution；Use UV solidification, save the energy and quickly, improve production efficiency；During UV solidification, temperature is low, and the impact of base material heated deformation reduces.
Description
Technical field
The present invention relates to UV photocureable coating field, be specifically related to a kind of UV-composite laser coating composition.
Background technology
PET citicall limited aluminium film is distinctive functional by it and outward appearance is strong metal sense, dazzling laser effect exist always
Packaging field occupies a tiny space, be widely used in tobacco and wine, food, cosmetics, Folium Camelliae sinensis, gift etc. novel outside
Packaging material.The basic property of composite citicall limited aluminium paint is its tack and molds effect, and tack includes two parts:
The coating adhesive force to basement membrane (generally PET film), and the attachment that aluminium coated is to coating.Mold effect to refer to lead to
Cross mould pressing process in coating, present holographic laser effect.
Existing composite citicall limited aluminium paint is solvent-based system, uses organic solvent, on the one hand volatile organic matter in a large number
(VOCs) content is high causes severe contamination to producing with using environment, and on the other hand there is also solvent cost is limited by state
The problem of border oil price volatility.It addition, because coating contains solvent, need baking oven to be dried by solvent during use, make coating become
Film, this process consumes mass energy.And UV coating has the unrivaled environmental protection of solvent based coating and energy-conservation excellent
Gesture has become extensively common recognition.
Solvent-borne type citicall limited aluminium paint by mould pressing process make holographic laser effect time, coating film forming, use hot pressing
Technique could film forming coating upper mold extrude laser effect, the coating of film forming extrude the deepest groove be difficult to, institute
To generally form the groove in laser pattern coating the most shallower (degree of depth is all at nanoscale).And now with people to packaging
Requirement more and more higher, occur in that the laser pattern (degree of depth is micron order) of very deep trench, existing solvent-borne type composite laser
Coating can not meet production requirement.Therefore existing employing PE material film technique substitutes traditional solvent-borne coating process molds deep
Groove, but use PE material film technique make laser pattern because of thermo-labile yielding, affect laser pattern after deformation
Effect.
Summary of the invention
It is an object of the invention to the deficiency overcoming above-mentioned prior art to exist, it is provided that a kind of UV-composite laser Coating material composition
Thing；The composite membrane that laser pattern third dimension is strong can be produced with this UV-composite laser coating.Additionally, UV-composite laser is coated with
Expect the mode film forming because using photocuring, therefore mould pressing process can use mold pressing and film-forming to carry out simultaneously, so molding
Time because of coating or liquid, mold deep groove it is achieved that the laser pattern third dimension formed is strong, UV-is combined radium
Penetrating coating and use photocured cross-linked film forming, coating heat resistance can be good, and in use laser pattern is susceptible to thermal deformation,
UV-composite laser coating the done citicall limited aluminium ageing length of film.
It is an object of the invention to be achieved through the following technical solutions:
The present invention relates to a kind of UV-composite laser coating composition, it is characterised in that include each group of following parts by weight
Point:
Preferably, including following component and parts by weight:
Preferably, described light-cured resin be epoxy acrylic resin, polyurethane acrylic resin, polyester acrylate resin,
One or more in pure third resin.
Preferably, described light-cured resin be the CN120 of Sartomer, CN2204, CN704, CN8000, CN9010,
CN9013, CN965, CN966J75, CN9893, Changxing chemistry 6112-100,6215-100,6071,6158-80,
6175,6176,6195-100, one or more in UV1700B, UV3000B, UV7605B of Japan's synthesis.
Preferably, described photo polymerization monomer is monofunctional acrylate, mono-functional methacrylate, difunctional acrylate
Mixing of one or more in ester, difunctional methacrylate, polyfunctional acrylic ester, multifunctional methacrylate
Close.
Preferably, described photo polymerization monomer be weight ratio be (2～3): (1～2): the monofunctional acrylate of 1, difunctionality
Acrylate, the compound of polyfunctional acrylic ester.
Preferably, described monofunctional acrylate is 2-phenoxyethyl acrylate (such as: SR339, EM210), the moon
Cinnamic acid acrylate (such as: EM215, EM315), isodecyl acrylate (such as: SR395, EM219), isobornyl
Acrylate (such as: SR506, EM219), benzyl acrylate (such as: EM75), tetrahydrofurfuryl acrylate (such as:
SR285, EM214) in one or more.
Preferably, described bifunctional acrylate is 1,6-hexanediyl ester (such as: SR238, EM221), 3 third
Omega-diol diacrylate (such as: SR306, EM223), propylene glycol diacrylate (such as: EM222), neopentyl glycol two
Acrylate (such as: EM225), ethoxylated bisphenol A diacrylate (such as: EM2261, EM2263), tristane
One or more in Dimethanol Diacrylate (such as: SR833S, EM2204).
Preferably, described polyfunctional acrylic ester be ethoxyquin trimethylolpropane trimethacrylate (such as: SR351, EM231,
SR454, EM2380, SR9035, EM2382), tetramethylolmethane three/tetraacrylate (such as: SR444, EM235), two
One or more in tetramethylolmethane four/five/six acrylate (such as: SR399, EM265).
Preferably, described polyfunctional acrylic ester is ethoxylation polyfunctional acrylic ester, the multifunctional acrylic acid of propoxylation
One or more in ester.Preferably ethoxyquin trimethylolpropane trimethacrylate, the third oxidation trimethylolpropane tris propylene
Acid esters, glycerol propoxylate triacrylate, ethoxyquin tetramethylol methane tetraacrylate, the third oxidation tetramethylolmethane tetrapropylene acid
One or more in ester.
Preferably, described light trigger is that benzoin, benzoin alkylether, acetophenones light trigger, Anthraquinones light draw
Send out agent, thiaxanthone photoinitiator, ketal photoinitiator, organic peroxide, mercaptan compound, organohalogen compounds,
Benzophenones light trigger, 2,4,6-trimethyl benzoyl diphenyl base phosphorous oxides, double [2,6-bis-fluoro-3-(1H-pyrroles
Cough up base-1) phenyl] titanium cyclopentadienyl (Irgacure784), double (pentafluorophenyl group) titanium cyclopentadienyl, anthraquinone/tertiary amine light initiation system, Camphor tree
Brain quinone (also known as camphane spinach ketone CQ)/tertiary amine light initiation system, 3-ketocoumarin/tertiary amine light initiation system, 2-methyl
-1-[4-(methyl thio) phenyl]-2-morpholinopropanone-1,2-benzyl-2-dimethyl amido-1-(4-morpholino phenyl)-
One or more in butane-1-ketone.
Preferably, described light trigger is 1-hydroxycyclohexyl phenyl ketone (such as: Irgacure184), 2-hydroxyl-2-
Methyl isophthalic acid-phenyl-1-acetone (such as: Darocur1173), 2,4,6-trimethylbenzoy-dipheny phosphine oxides (such as:
Darocur TPO), phenyl double (2,4,6-trimethylbenzoyl) phosphine oxide (such as: Irgacure819), Benzoinum
One or more in methyl phenyl ethers anisole (such as: Irgacure651).
Preferably, the mixing of one or more during described auxiliary agent includes levelling agent, defoamer, polymerization inhibitor.
Preferably, described levelling agent is γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane (such as: KH-560) or ethylene
Base trimethoxy silane (such as: A-171, BYK-3510, BYK-3530, BYK-1790)；Described defoamer is γ-(2,3-
Epoxy the third oxygen) propyl trimethoxy silicane (KH-560) or vinyltrimethoxy silane (such as: A-171, BYK-3510,
BYK-3530、BYK-1790)；Described polymerization inhibitor is MEHQ.
The UV-composite laser coating of the present invention is very UV coating, the advantage with common UV coating, with existing skill
Art is compared, and the UV-composite laser coating of the present invention also has the advantages that
1, because using the formula Han UV the most admittedly, containing less solvent or without solvent, less solvent in using in formula
Volatilization, reduces air pollution；
2, use UV solidification, save the energy and quickly, improve production efficiency；
3, during UV solidification, temperature is low, and the impact of base material heated deformation reduces；
4, UV-composite laser coating compositions is more easy to separate with template, is conducive to making laser pattern third dimension strong
Composite membrane；Coating good film-forming property, resistance to ag(e)ing is good；Film yield rate is high, is beneficial to improve production efficiency；
In order to meet higher packing instructions, UV-composite laser paint replacement traditional solvent-borne composite citicall limited aluminium is used to be coated with
Material and PE material are trends of the times；
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in those skilled in the art
Member is further appreciated by the present invention, but limits the present invention the most in any form.It should be pointed out that, the common skill to this area
For art personnel, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement.These broadly fall into
Protection scope of the present invention.
Embodiment 1～9
Embodiment 1～9 each provides UV-composite laser coating composition, raw material components that each compositions is corresponding and weight
Number is as shown in table 1；
Being mixed by its parts by weight by raw material components corresponding for each embodiment respectively, middling speed is disperseed 2 hours, filters, to obtain final product
Corresponding UV-composite laser coating composition.
Table 1
The application of the UV-composite laser coating composition of above example 1～9, specifically includes following process:
(1) coating process
By UV-composite laser coating composition according to coating upper machine viscosity, coating weight, the requirement of Painting effect, utilize and be coated with
UV-composite laser coating composition is uniformly coated on the basement membrane of pretreatment by cloth machine, by adjusting process parameter, protects
Card UV-composite laser coating composition coating is uniformly；
(2) mould pressing process
Control the technological parameters such as the temperature of mold pressing roll, pressure, speed well, adjust the energy of UV curing light source, it is ensured that UV
The speed of mould pressing process and effect；
(3) aluminize operation
Utilize aluminum-spraying machine to plate one layer of uniform aluminium lamination on UV-composite laser coating composition die coating, formed and there is gold
Belong to the holographic surface effect of effect；
(4) compound working procedure
By coating adhesive, holographic aluminized film and base stock being carried out wet type by rubber roll or anilox roll to be combined, pressure roller is fitted, and dries
Dry.
Performance detects
In order to the coating of the present invention with prior art is compared, by the coating composition of embodiment 1～9 with following
Method is coated, and measures the flatness of coating, adhesive force, fastness of aluminizing, specimen page outward appearance, heatproof.For comparison
Comparative example 1 uses vinyl chloride-vinyl acetate resin E15；Comparative example 2 uses PE and expects LD150；Performance test methods is with implementing
Example 1～9.
One, flatness
With knife coating by coatings in the PET film that pretreatment is good, the coating flatness of visual specimen page.
Method of testing: visualization test specimen page outward appearance.
Appraisal procedure: specimen page smooth surface is smooth for excellent, air spots sends out wrinkle for poor.
Two, adhesive force
With knife coating by coatings in the PET film that pretreatment is good, during solidification mold version pattern be compressed on coating
On.Use adhesive tape method that specimen page adhesive force is tested.
Appraisal procedure: entirely without coming off for excellent, has and comes off for good on a small quantity, come off in a large number for difference.
Three, aluminize fastness
With knife coating by coatings in the PET film that pretreatment is good, during solidification mold version pattern be compressed on coating,
Vapour deposition method is used to be plated in coating by aluminium lamination.Use adhesive tape method that specimen page adhesive force is tested.
Appraisal procedure: aluminium coated, entirely without coming off for excellent, has and comes off for good on a small quantity, come off in a large number for difference.
Four, specimen page outward appearance
With knife coating by coatings in the PET film that pretreatment is good, during solidification mold version pattern be compressed on coating
On, use vapour deposition method to be plated in coating by aluminium lamination.
Method of testing: visualization test specimen page outward appearance.
Appraisal procedure: specimen page picture on surface is the fullest, aluminium coated brightness is high, aberration is little.
Five, heatproof
With knife coating by coatings in the PET film that pretreatment is good, during solidification mold version pattern be compressed on coating
On obtain specimen page.Being put into by specimen page under mold pressing version, raise moulded board temperature, the pattern observed under different temperatures in coating becomes
Change situation.
Appraisal procedure: specimen page picture on surface is under moulded board, and the temperature of the pattern loss of coating is coating the highest tolerance temperature
Degree.
Six, senile experiment
A4 paper size specimen page is put into 65 DEG C, in the hot and humid case of humidity 95%, takes out after placing 160h, hundred lattice methods
Testing coating adheres to.
Appraisal procedure: entirely without coming off for excellent, has and comes off for good on a small quantity, come off in a large number for difference.
Performance test results is as shown in table 2:
Table 2 performance detection case
As shown in Table 2, the prepared UV-composite laser coating composition of embodiment 1～9 and the compound radium of comparative example 1～2
Penetrating coating composition to compare, compositions flatness and/or specimen page outward appearance all have improvement, and ageing-resistant performance has greatly improved.
Comparing embodiment 2,6 further, the combination property relatively embodiment of the UV-composite laser coating composition that embodiment 2 prepares
6 have had significant raising, and embodiment 2 is single, double, multifunctional with differing only in photo polymerization monomer of embodiment 6
The compound proportion of acrylate is different, and respectively 2.5: 1.5: 1 and 1: 2: 2 illustrate in the composition system of the present invention,
In photo polymerization monomer there is preferred scope in compound proportion single, double, polyfunctional acrylic ester；Further comparing embodiment
The combination property of the 1～5 UV-composite laser coating compositions prepared is superior to embodiment 6, it is known that, the combination of the present invention
In objects system, compound proportion single, double in photo polymerization monomer, polyfunctional acrylic ester is preferably (2～3): (1～2): 1.
Comparing embodiment 2 and embodiment 7,8,9 further, the compositions combination property of embodiment 2 is better than embodiment 7, says
Best results when polyfunctional acrylic ester uses ethoxylation polyfunctional acrylic ester in Mingguang City's polymerization monomer complex system；Real
The compositions combination property executing example 2 is better than embodiment 8, illustrates that photo polymerization monomer selects single, double, polyfunctional acrylic ester
Compound system methacrylate compound system more single, double, multifunctional has more preferable effect；The effect of embodiment 9 is low
In embodiment 2, also below embodiment 1,3～8, illustrating further photo polymerization monomer is propylene single, double, multifunctional
During acid esters compound system, the combination property of compositions has obtained significant raising.
In sum, in the photo polymerization monomer of the present invention, monofunctional acrylate conversion ratio is high, solidification cubical contraction is low,
Pliability is good, can improve the formulation for coating material adhesive force to base material, and the low dilution capacity of viscosity is strong；Bifunctional acrylate waves
The property sent out is little, abnormal smells from the patient is low, still has preferable dilution capacity；Polyfunctional acrylic ester laser curing velocity is fast, solidification coating hardness is high,
But viscosity is slightly larger, dilution effect is poor；When with weight ratio for (2～3): (1～2): 1 when compounding, and three occurs synergism,
Thus enhance the performances such as the adhesive force of the system of the present invention, abrasion performance, cold-hot impact；Make the UV-of the present invention multiple
Close radium-shine coating composition to highlight in aspect performances such as compositions flatness, specimen page outward appearance adhesive force, heatproof, resistance to ag(e)ing
Can also have greatly improved.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, and this is also
Do not affect the flesh and blood of the present invention.
Claims (5)
1. a UV-composite laser coating composition, it is characterised in that be made up of each component of following parts by weight:
Wherein, described photo polymerization monomer be weight ratio be (2～3): (1～2): the monofunctional acrylate of 1, bifunctional acrylate, the compound of polyfunctional acrylic ester；
Described light-cured resin is one or more in epoxy acrylic resin, polyurethane acrylic resin, polyester acrylate resin, pure third resin.
UV-composite laser coating composition the most according to claim 1, it is characterized in that, described monofunctional acrylate is one or more in 2-phenoxyethyl acrylate, lauric acid acrylate, isodecyl acrylate, iso-bornyl acrylate, benzyl acrylate, tetrahydrofurfuryl acrylate；Described bifunctional acrylate is one or more in 1,6 hexanediol diacrylate, tripropylene glycol diacrylate, propylene glycol diacrylate, neopentylglycol diacrylate, ethoxylated bisphenol A diacrylate, Tricyclodecane Dimethanol diacrylate；Described polyfunctional acrylic ester is one or more in ethoxyquin trimethylolpropane trimethacrylate, tetramethylolmethane three/tetraacrylate, dipentaerythritol four/five/six acrylate.
UV-composite laser coating composition the most according to claim 1, it is characterised in that described polyfunctional acrylic ester is one or more in ethoxylation polyfunctional acrylic ester, propoxylation polyfunctional acrylic ester.
UV-composite laser coating composition the most according to claim 1; it is characterized in that; described light trigger be 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, 2; 4; 6-trimethylbenzoy-dipheny phosphine oxide, phenyl double (2; 4,6-trimethylbenzoyls) one or more in phosphine oxide.
UV-composite laser coating composition the most according to claim 1, it is characterised in that described auxiliary agent is one or more in levelling agent, defoamer, polymerization inhibitor.
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| CN104312416A (en) * | 2014-09-28 | 2015-01-28 | 上海乘鹰新材料有限公司 | UV-composite later coating composition and preparation method thereof |
| CN104592796B (en) * | 2014-12-26 | 2017-09-26 | 上海维凯光电新材料有限公司 | A kind of vacuum aluminum-coated transfer ultraviolet-curing paint |
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| CN105315852B (en) * | 2015-11-04 | 2017-10-20 | 上海乘鹰新材料有限公司 | The UV composite laser coating that can be used on without Chemical Pretreatment PET |
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| CN112080767A (en) * | 2020-11-16 | 2020-12-15 | 湖南和锐镭射科技有限公司 | Manufacturing method of high-brightness chromatic-aberration-free laser film |
| CN112812596A (en) * | 2020-12-31 | 2021-05-18 | 上海飞凯光电材料股份有限公司 | Brightness enhancement film coating and application thereof |
| CN113211935A (en) * | 2021-05-20 | 2021-08-06 | 汕头市辰安新材料科技有限公司 | Plate making method of mould pressing plate |
| CN115042540A (en) * | 2022-06-14 | 2022-09-13 | 虎彩印艺股份有限公司 | Three-dimensional laser process of environment-friendly laser paper |
| CN115838569A (en) * | 2022-10-25 | 2023-03-24 | 厦门理工学院 | Light-cured building repair material |
| CN116116687B (en) * | 2022-12-19 | 2023-08-29 | 东莞光群雷射科技有限公司 | Preparation method of laser mould pressing plate roller |
| CN118082400B (en) * | 2024-02-22 | 2024-10-15 | 湖南泰利恒友科技开发有限公司 | PET laser transfer film and preparation method thereof |
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