CN109370279A - It is a kind of can laser color label can brushing composition - Google Patents
It is a kind of can laser color label can brushing composition Download PDFInfo
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- CN109370279A CN109370279A CN201811243416.0A CN201811243416A CN109370279A CN 109370279 A CN109370279 A CN 109370279A CN 201811243416 A CN201811243416 A CN 201811243416A CN 109370279 A CN109370279 A CN 109370279A
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- Materials Engineering (AREA)
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- Thermal Transfer Or Thermal Recording In General (AREA)
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Abstract
The invention discloses it is a kind of can laser color label composition, including acrylic emulsion, pet resin, bisphenol A type epoxy resin, black pigment, color pigment, optical-thermal conversion material, crosslinking agent, initiator, bonding agent, reactive emulsifier, antioxidant, and the filler for optionally adding or not adding；The composition can be brushed in substrate surface, and wherein the lone pair electrons in bonding agent on carboxyl and nitrogen-atoms can form coordinate bond with the metal ion of substrate surface, increase the compactness of composition and substrate；Optical-thermal conversion material can convert light energy into thermal energy, and laser is marked under smaller power, and not influence to mark effect, save the energy.
Description
Technical field
The invention belongs to Material Fields, and in particular to it is a kind of can laser color label can brushing composition.
Background technique
According to the laws such as the Law of the People's Republic of China on Product Quality, the regulation of regulation, the product or product of market sale
There is the label of product for identification and its quality, quantity, feature, characteristic and application method in packaging, be referred to as product identification.
Product identification can be brand identity, bar code, commodity validity period or lot number etc..Label has become an industrial weight
Link is wanted, the method marked at present mainly includes the modes such as silk-screen, bat printing, spraying, engraving, laser marking.In daily production,
It is marked, no matter is all easier with spraying or printing, Er Qiecheng on paper products or packaging, flexible plastic product or packaging
This is lower.It but is the harder substances such as metal material, ceramics, glass, duroplasts, the difficulty of label if necessary to the substrate of label
Degree can be bigger.Silk-screen, spraying and the label of printing weatherability are poor, can disappear with friction etc..Engraving is compared with laser marking
In ink printing etc. conventional tags technology various aspects have superiority, such as have the untouchable, feature of environmental protection, permanence, quickly
With high efficiency and with advantages such as high applicabilities, but it is at high cost, and difficulty is big, and the input cost of process flow is higher.
For example, the laser marking principle of metal, glass, duroplasts is to expose deep layer substance by the evaporation of surface mass,
Either cause the Chemical Physics of entry material to become " quarter " by luminous energy and go out trace, or passes through luminous energy burn-up part object
Matter, figure, the text etched needed for showing.Therefore, not only laser power wants sufficiently large, and may need metal, glass,
Auxiliary agent is added in duroplasts preparation process to incude the light and heat of laser, and auxiliary agent probably influences the original property of material.
For the effect of laser labelling, general metal material mark when, due to it is ablated go out several above depth of micron lines,
The colors of these lines and reflecting rate with it is original different, the visual contrast effect of human eye is caused, so as to identify marked figure
Case.For glass, the pattern that ablation goes out has " bored light " effect；There is mesh since photochemical reaction and ablation act on for duroplasts
Depending on contrast and matte effect.
Based on the above background, in the present invention, inventor provide one kind can brushing composition, the composition can brush
The substrate surface of laser labelling is needed, pattern to be marked can be formed after laser irradiation.The prior art is also about label coating
Research, such as patent document US4820683 discloses a kind of coating composition, and the composition is the dispersion comprising following ingredients
Liquid: colour former, carboxylic metallic salt such as zinc dicarboxylic acid, for example a kind of oxybenzene compound of additional acid color developing agent, stearic acid gold
Belong to salt, binder, and the water as solvent.By the composition coating on a substrate, it is dry, generated when the mount of using heat processing
A kind of image.The paint ingredient is simple and uses water as solvent, bad with the laminating degree of substrate, is easy to fall off.
Patent document WO 0207454 discloses a kind of coating composition, the oxo-anions example comprising a kind of polyvalent metal
Such as ammonium octamolybdate (AOM), a kind of binder and a kind of solvent such as water or ethyl alcohol of typically polymer.By these compositions
It is coated on a kind of substrate such as cartoon cardboard, is dry, being exposed to IR laser to generate a kind of image.The composition is a kind of
Only to the coating of infrared photoinduction, application range is narrow.
Patent document WO 2004043704 discloses a kind of coating composition, a kind of amine compounds comprising molybdenum, tungsten or vanadium,
A kind of organic solvent, and optionally a kind of polymeric binder.By the composition be coated on substrate such as plastic film, aluminium foil or
It is dry on polypropylene packaging film, IR laser or thermal printer are exposed to generate a kind of image.The composition is due to being added to
A kind of amine compounds containing molybdenum, tungsten or vanadium, it is stronger to the induction of light and heat, but above-mentioned metal amine compounds are expensive,
And preparing very inconvenient, product cost is excessively high, will lead to and finds no sale certainly.
Patent document CN101087836A discloses a kind of substrate label coating composition, comprising quantity be 0.01~
50% colour former, the binder that quantity is 0.01~50% carboxylic metallic salt, quantity is 1~80% and quantity is 1~
99% organic solvent.The coating composition can be coated in product packaging, be reacted when energy process such as the mount of using heat
Form a kind of perceived color.But the coating composition be appropriate for the hard materials such as metal material or ceramics there is no into
Row explanation.
In order to overcome the drawbacks of the prior art, the present invention provide it is a kind of can laser color label can brushing composition, institute
Stating composition can brush in substrate surface to be marked, then with laser irradiation, generate indicia patterns in substrate surface.It is described to brush
Composition has the advantage that 1, higher with substrate surface compactness, not easily to fall off, good weatherability, especially to metal, glass
Glass, etc. hard materials effect it is more preferable；2, for the composition under the stronger covering power of black pigment, black is presented in priming color,
Black pigment is burnt up under laser action, leaves color pigment, to form the label of permanent colour in substrate surface；3,
The initial background color of composition is black, moreover it is possible to protect substrate, slow down light ager process.
Summary of the invention
The object of the present invention is to provide it is a kind of can laser color label can brushing composition and preparation method thereof, described group
Close object can brush in substrate surface to be marked, then use laser irradiation, substrate surface generation indicia patterns.
The purpose of the present invention is what is be achieved through the following technical solutions:
It is a kind of can laser color label composition, including it is acrylic emulsion, pet resin, double
Phenol A type epoxy resin, black pigment, color pigment, optical-thermal conversion material, crosslinking agent, initiator, bonding agent, response type emulsification
Agent, antioxidant, and the filler for optionally adding or not adding.The composition can be brushed in substrate surface, wherein in bonding agent
Lone pair electrons on carboxyl and nitrogen-atoms can form coordinate bond with the metal ion of substrate surface, increase composition and substrate
Compactness；Optical-thermal conversion material can convert light energy into thermal energy, laser be marked under smaller power, and do not influence
Effect is marked, the energy is saved.
It is a kind of can laser color label composition, the component including following mass fraction: 20-30 parts of acrylic emulsion,
30-40 parts of pet resin, 10-20 parts of bisphenol A type epoxy resin, 0.1-1 parts of black pigment, colored face
Expect 0.3-3 parts, 0.2-3 parts of optical-thermal conversion material, 1-10 parts of crosslinking agent, 0.2-0.4 parts of initiator, 3-7 parts of bonding agent, response type
0.2-0.5 parts of emulsifier, 0.1-0.6 parts of antioxidant, 0-10 parts of filler, 2-5 parts of organic solvent.
The black pigment is preferably carbon black, and the carbon black is divided into furnace black, channel black, pyrolytic carbon according to preparation method
Black, lampblack, channel black etc. are divided into acetylene black, Ketjen black, glossy black, jet-black etc. according to raw material difference, in the present invention, described black
Color pigment is selected from the combination of one or more of above-mentioned carbon black.
Color pigment is organic pigment, including azo pigment, phthalocyanine pigment, quinacridone-type pigments and color lake class face
Material, specifically, the color pigment is selected from: acetanilide, beta naphthal, pyrazolone, 2- hydroxyl -3- naphthoic acid, 2- hydroxyl -
One or more of the red combination of 3- naphthalene formyl aromatic amine, isoindolinone, phthalocyanine blue, phthalocyanine.
The optical-thermal conversion material is selected from nanometer additive and/or metal ion and fumaric acid-propene sulfonic acid copolymer
Complex compound, wherein nanometer additive is selected from: nano-TiO2, nanometer Al2O3, nanometer ZrO2, one or both of nano-ZnO with
On combination；Metal ion is selected from: Ag+、Cu2+、Zn2+。
Preferably, the nanometer additive is selected from nano-TiO2, the metal ion is selected from Ag+。
Preferably, the optical-thermal conversion material is selected from nanometer additive and metal ion and fumaric acid-propene sulfonic acid is copolymerized
The complex compound of body, the two mass ratio are 1:0.5-1.5；It is furthermore preferred that the two mass ratio is 1:0.8.
The crosslinking agent is selected from: dimethacrylate tirethylene glycol ester, monoallyl maleate.
The initiator is selected from: one or both of peroxidation sulfuric acid potassium, dilauroyl peroxide, azodiisobutyronitrile with
On combination.
The bonding agent is double bond containing polyamines multi-carboxylic acid compound, the double bond containing polyamines multi-carboxylic acid compound
It is selected from:Wherein n is the positive integer of 0-5.
Preferably, the bonding agent is selected from:
Reactive emulsifier is selected from: reactive emulsifier is selected from: the polymerizable emulsification of sodium vinyl sulfonate, maleic acid diester
Agent, sodium allyl sulfosuccinic alkyl ester.
The antioxidant is selected from the combination of one or both of pentaerythritol ester, phosphite ester.
The filler is selected from: the combination of one or more of calcium carbonate, talcum powder, barium sulfate, kaolin.
The organic solvent is selected from: the combination of one or more of methanol, ethyl alcohol, isopropanol, chloroform.
A method of prepare can laser color marking composition, include the following steps:
(1) nanometer additive is dispersed in the solution dissolved with reactive emulsifier, obtains nanometer additive solution, it is standby
With；
(2) in organic solvent by black pigment, color pigment, antioxidant, filler dispersion, it is carried out after dispersing 3-10min
Grinding, is ground to 10-20 μm, obtains dispersion liquid；
(3) by acrylic emulsion, pet resin, bisphenol A type epoxy resin, crosslinking agent, initiation
Agent, metal ion and fumaric acid-propene sulfonic acid copolymer complex compound, bonding agent and nanometer additive solution are added to dispersion liquid
In, stirring；
(4) PH regulator tune PH to 7.0-8.5 is used, composition is obtained.
Preferably, dispersing method is selected from the step (1) and (2): ultrasound is vortexed.
Preferably, organic solvent is selected from the step (2): one or both of methanol, ethyl alcohol, isopropanol, chloroform
Above combination.
Preferably, the mixing speed in the step (3) is 500-800r/min, mixing time 1-3h.
Preferably, PH is 7.0-7.5 in the step (4).
It is a kind of can laser color label purposes of the composition in product labelling, the composition can be painted on product table
There are indicia patterns after laser irradiation in face.
Preferably, the product material is metal material or ceramic material.
The laser is selected from: the laser of laser labelling is selected from: C02Laser marking machine, semiconductor laser marking, light
Fine laser marking machine or Nd:YAG laser.
A kind of external coating have can laser color label composition product, it is preferred that the product material is metal
Material or ceramic material.
The beneficial effects of the present invention are the composition is painted on metal or surface of ceramic products, and laser labelling can be grown
Exist long, weatherability is preferable, this is because composition and substrate contact surface can form firm chemical bond.The glaze of ceramic surface is rich
Also there are metal ion in metal ion containing minerals, metal surface, after composition attachment is upper, since bonding agent is double bond containing
Polyamines multi-carboxylic acid's compound, the lone pair electrons on carboxyl and nitrogen-atoms thereon can be formed with the metal ion of substrate surface
Coordinate bond.In addition, the optical-thermal conversion material in composition can convert light energy into thermal energy, carry out laser under smaller power
Label, and do not influence to mark effect, save the energy.Composition background color of the present invention is black, is painted on substrate surface
The light ager process of material can effectively be slowed down, label of the present invention is.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only section Example of the invention, rather than all.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
The preparation of example 1 group conjunction object 1
0.3 part of furnace black, 1.5 parts of isoindolinone, 0.2 part of phosphite ester and 4 parts of calcium carbonate are dispersed in organic solvent
In isopropanol, vortex 5min is ground to about 20 μm of grain diameter and obtains dispersion liquid.By nano-TiO21 part is dispersed in vinyl sulphur
In acid sodium solution, nanometer additive solution is obtained.By 20 parts of acrylic emulsion, 30 parts of pet resin,
10 parts of bisphenol A type epoxy resin, Ag+With 0.5 part of fumaric acid-propene sulfonic acid copolymer complex compound, crosslinking agent monoallyl horse
Come 5 parts of acid esters, 0.2 part of initiator azodiisobutyronitrile, 5 parts of III compound of bonding agent formula and nanometer additive solution be added to it is above-mentioned
In dispersion liquid, 3h is stirred with 800r/min speed, with aqueous slkali tune PH to 7.5, obtain composition.
The preparation (being free of bonding agent) of 2 composition 2 of embodiment
0.3 part of furnace black, 1.5 parts of isoindolinone, 0.2 part of phosphite ester and 4 parts of calcium carbonate are dispersed in organic solvent
In isopropanol, vortex 5min is ground to about 20 μm of grain diameter and obtains dispersion liquid.By nano-TiO21 part is dispersed in vinyl sulphur
In acid sodium solution, nanometer additive solution is obtained.By 20 parts of acrylic emulsion, 30 parts of pet resin,
0.5 part of 10 parts of bisphenol A type epoxy resin, Ag+ and fumaric acid-propene sulfonic acid copolymer complex compound, crosslinking agent monoallyl horse
Come 5 parts of acid esters, 0.2 part of initiator azodiisobutyronitrile and nanometer additive solution to be added in above-mentioned dispersion liquid, with 800r/min
Speed stirs 3h, with aqueous slkali tune PH to 7.5, obtain composition.
The preparation (being free of metal ion complex) of 3 composition 3 of embodiment
0.3 part of furnace black, 1.5 parts of isoindolinone, 0.2 part of phosphite ester and 4 parts of calcium carbonate are dispersed in organic solvent
In isopropanol, vortex 5min is ground to about 20 μm of grain diameter and obtains dispersion liquid.By nano-TiO21 part is dispersed in vinyl sulphur
In acid sodium solution, nanometer additive solution is obtained.By 20 parts of acrylic emulsion, 30 parts of pet resin,
10 parts of bisphenol A type epoxy resin, 5 parts of crosslinking agent monoallyl maleate, 0.2 part of initiator azodiisobutyronitrile, bonding agent
5 parts of III compound of formula and nanometer additive solution are added in above-mentioned dispersion liquid, stir 3h with 800r/min speed, use aqueous slkali
PH to 7.5 is adjusted, composition is obtained.
The preparation (being free of nanometer additive) of 4 composition 4 of embodiment
0.3 part of furnace black, 1.5 parts of isoindolinone, 0.2 part of phosphite ester and 4 parts of calcium carbonate are dispersed in organic solvent
In isopropanol, vortex 5min is ground to about 20 μm of grain diameter and obtains dispersion liquid.By 20 parts of acrylic emulsion, poly- terephthaldehyde
30 parts of sour glycol ester resin, 10 parts of bisphenol A type epoxy resin, Ag+With fumaric acid-propene sulfonic acid copolymer complex compound 0.5
Part, 5 parts of crosslinking agent monoallyl maleate, 0.2 part of initiator azodiisobutyronitrile, 5 parts of III compound of bonding agent formula are added to
In above-mentioned dispersion liquid, 3h is stirred with 800r/min speed, with aqueous slkali tune PH to 7.5, obtain composition.
Effect example composition is used for the mark effect detection of laser labelling
Using metal material as substrate, the rusty stain on monolithic metal surface is polished clean, with ethanol 3 times, for use.It will be real
It applies composition prepared by a 1-4 to brush respectively on the same iron plate of 4 pieces of appearances, dry at room temperature.Use C02Laser marking machine
Laser-marking, pulse recurrence frequency 50KHz, pulsewidth 1.5us are carried out, mark speed is 30mm/s, and mark electric current is 12A.
Laser is closed after the completion of mark, compares the laser labelling effect of 4 pieces of iron plates, acquired results are as shown in the table:
1 embodiment 1-4 composition mark effect of table compares
According to upper table comparison result it can be concluded that 1, by embodiment 1 and embodiment 2 it was found that, bonding
Impact resistance, adhesive force and aging speed of the agent influence composition brushing to iron plate after upper, if in composition preparation process
It is added to bonding agent, more preferable to the protectiveness of metal material, not easily to fall off after brushing, analysis reason may be polyamines polycarboxylic acid
The bonding agent of class, the lone pair electrons on carboxyl and nitrogen-atoms thereon can form coordinate bond with the metal ion of substrate surface,
Firm coordinate bond makes the cohesive force of composition and metal surface stronger, and the compactness of the two is more preferable, the mark of laser labelling
It permanent can preserve.2, by embodiment 1 and embodiment 3,4 it was found that, optical-thermal conversion material nanometer additive and gold
It is indispensable to belong to both ion and fumaric acid-propene sulfonic acid copolymer complex compound, influences the effect of laser-marking, this is because
Nanometer additive and complexing of metal ion have the effect for converting light energy into thermal energy, while it is more preferable to add mark effect.
The preparation of 5 composition 5 of embodiment
By nano-TiO21 part is dispersed in vinyl sulfonic acid sodium solution, obtains nanometer additive solution.Metal ion network
It closes object and selects Ag+With 1.5 parts of complex compound of fumaric acid-propene sulfonic acid copolymer, other components and preparation method and 1 phase of embodiment
Together.
The preparation of 6 composition 6 of embodiment
By nano-TiO21 part is dispersed in vinyl sulfonic acid sodium solution, obtains nanometer additive solution.Metal ion network
It closes object and selects Ag+With 0.8 part of complex compound of fumaric acid-propene sulfonic acid copolymer, other components and preparation method and 1 phase of embodiment
Together.
The preparation of 7 composition 7 of embodiment
By nano-TiO21 part is dispersed in vinyl sulfonic acid sodium solution, obtains nanometer additive solution.Metal ion network
It closes object and selects Ag+With 0.1 part of complex compound of fumaric acid-propene sulfonic acid copolymer, other components and preparation method and 1 phase of embodiment
Together.
The preparation of 8 composition 8 of embodiment
By nano-TiO21 part is dispersed in vinyl sulfonic acid sodium solution, obtains nanometer additive solution.Metal ion network
It closes object and selects Ag+With 3 parts of complex compound of fumaric acid-propene sulfonic acid copolymer, other components and preparation method and 1 phase of embodiment
Together.
The preparation of 9 composition 9 of embodiment
By nano-TiO21 part is dispersed in vinyl sulfonic acid sodium solution, obtains nanometer additive solution.Metal ion network
It closes object and selects Zn2+With 0.8 part of complex compound of fumaric acid-propene sulfonic acid copolymer, other components and preparation method and 1 phase of embodiment
Together.
The preparation of 10 composition 10 of embodiment
By nanometer Al2O31 part is dispersed in vinyl sulfonic acid sodium solution, obtains nanometer additive solution.Metal ion network
It closes object and selects Ag+With 0.8 part of complex compound of fumaric acid-propene sulfonic acid copolymer, other components and preparation method and 1 phase of embodiment
Together.
Influence of the effect example difference optical-thermal conversion material to laser labelling effect
Using metal material as substrate, the rusty stain on monolithic metal surface is polished clean, with ethanol 3 times, for use.It will be real
It applies composition prepared by example 1,5-10 to brush respectively on the same iron plate of 4 pieces of appearances, dry at room temperature.Use C02Laser is beaten
Mark machine carries out laser-marking, pulse recurrence frequency 50KHz, pulsewidth 1.5us, and mark speed is 30mm/s, and mark electric current is
12A.Laser is closed after the completion of mark, compares the laser labelling effect of 4 pieces of iron plates, acquired results are as shown in the table:
Influence of the different optical-thermal conversion materials of table 2 to laser labelling effect
It can be seen that the type of nanometer additive and metal ion complex according to above-mentioned experimental result and mass ratio occur
The resolution ratio, glossiness and clear-cut margin degree that variation will lead to laser labelling change.Nanometer additive selects nanometer
TiO2Effect is better than Al2O3, metal ion complex selection Ag+Effect is better than Zn2+；Work as nano-TiO2With Ag+The quality of complex compound
When than for 1:0.5-1.5, laser labelling effect is preferable, works as nano-TiO2With Ag+When the mass ratio of complex compound is 1:0.8, laser mark
Remember that effect is best.And can be found out by the above results, when nanometer additive and metal ion complex add simultaneously, photo-thermal turns
Change efficiency makes colour-coded clear enough, and metal ion complex more will affect the gloss intensity and edge of label
It is whether clean clear.This may be because that during laser marking, luminous energy is not only partially converted into heat by metal ion complex
Can, and the metallic luster of its own can also improve the glossiness and resolution ratio of label.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (9)
1. one kind can laser color label composition, including acrylic emulsion, pet resin, bis-phenol
A type epoxy resin, black pigment, color pigment, optical-thermal conversion material, crosslinking agent, initiator, bonding agent, reactive emulsifier,
Antioxidant, and the filler for optionally adding or not adding.
2. composition according to claim 1, which is characterized in that the composition includes the component of following mass fraction:
20-30 parts of acrylic emulsion, 30-40 parts of pet resin, 10-20 parts of bisphenol A type epoxy resin, black
0.1-1 parts of pigment, 0.3-3 parts of color pigment, 0.2-3 parts of optical-thermal conversion material, 1-10 parts of crosslinking agent, 0.2-0.4 parts of initiator,
3-7 parts of bonding agent, 0.2-0.5 parts of reactive emulsifier, 0.1-0.6 parts of antioxidant, 0-10 parts of filler, 2-5 parts of organic solvent.
3. composition according to claim 2, which is characterized in that the optical-thermal conversion material be selected from nanometer additive and/
Or metal ion and fumaric acid-propene sulfonic acid copolymer complex compound, wherein nanometer additive is selected from: nano-TiO2, nanometer
Al2O3, nanometer ZrO2, one or more of nano-ZnO combination；Metal ion is selected from: Ag+、Cu2+、Zn2+。
4. composition according to claim 3, which is characterized in that the nanometer additive and metal ion and fumaric acid-
The mass ratio of the complex compound of propene sulfonic acid copolymer is 1:0.5-1.5.
5. composition according to claim 2, which is characterized in that the bonding agent is double bond containing polyamines multi-carboxylic acidization
Object is closed, the double bond containing polyamines multi-carboxylic acid compound is selected from:Wherein n is
The positive integer of 0-5.
6. it is a kind of prepare claim 1-5 it is any it is described can laser color marking composition method, include the following steps:
(1) nanometer additive is dispersed in the solution dissolved with reactive emulsifier, obtains nanometer additive solution, it is spare；
(2) in organic solvent by black pigment, color pigment, antioxidant, filler dispersion, it is ground after dispersing 3-10min,
It is ground to 10-20 μm, obtains dispersion liquid；
(3) by acrylic emulsion, pet resin, bisphenol A type epoxy resin, crosslinking agent, initiator, gold
Belong to ion and fumaric acid-propene sulfonic acid copolymer complex compound, bonding agent and nanometer additive solution are added in dispersion liquid, stirs
It mixes；
(4) PH regulator tune PH to 7.0-8.5 is used, composition is obtained.
7. a kind of claim 1-5 it is any it is described can laser color label purposes of the composition in product labelling, it is described
Composition can be painted on product surface, indicia patterns occur after laser irradiation.
8. purposes according to claim 7, which is characterized in that the product material is metal material or ceramic material.
9. a kind of external coating have the right to require 1-5 it is any it is described can laser color label composition product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811243416.0A CN109370279B (en) | 2018-10-24 | 2018-10-24 | Coatable composition capable of being color-marked by laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811243416.0A CN109370279B (en) | 2018-10-24 | 2018-10-24 | Coatable composition capable of being color-marked by laser |
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| CN109370279A true CN109370279A (en) | 2019-02-22 |
| CN109370279B CN109370279B (en) | 2020-10-27 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS63216790A (en) * | 1987-03-04 | 1988-09-09 | Mitsubishi Electric Corp | Laser marking method |
| US5373039A (en) * | 1992-05-29 | 1994-12-13 | General Electric Company | Resin compositions for laser marking |
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| CN107580555A (en) * | 2015-05-19 | 2018-01-12 | 爱克发-格法特公司 | Can laser labelling composition, product and file |
| CN105974752A (en) * | 2016-05-17 | 2016-09-28 | 优彩科技(湖北)有限公司 | Method for preparing color laser printing black toner from multivariate mixed resin |
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