CN107253409A - Anodized aluminium - Google Patents

Anodized aluminium Download PDF

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Publication number
CN107253409A
CN107253409A CN201710480652.3A CN201710480652A CN107253409A CN 107253409 A CN107253409 A CN 107253409A CN 201710480652 A CN201710480652 A CN 201710480652A CN 107253409 A CN107253409 A CN 107253409A
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China
Prior art keywords
parts
release layer
anodized aluminium
water
titanium dioxide
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Granted
Application number
CN201710480652.3A
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Chinese (zh)
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CN107253409B (en
Inventor
俆善水
郭飞
杨江涛
杨立新
曹萼
余永恒
杨二果
郑丰
魏怀玉
赵荣艳
王超
***
姜亚洲
余四军
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Anhui Jiyou New Material Co Ltd
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Anhui Jiyou New Material Co Ltd
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Priority to CN201710480652.3A priority Critical patent/CN107253409B/en
Publication of CN107253409A publication Critical patent/CN107253409A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers
    • B41M5/44—Intermediate, backcoat, or covering layers characterised by the macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers
    • B41M5/426—Intermediate, backcoat, or covering layers characterised by inorganic compounds, e.g. metals, metal salts, metal complexes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives 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; Adhesives based on derivatives of such polymers

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laminated Bodies (AREA)

Abstract

The present invention relates to a kind of anodized aluminium, including base membrane layer, release layer, chromatograph, aluminium coated and the adhesive layer being cascading, release layer includes the material of following parts by weight：2~5 parts of water wax, 1~3 part from plate wax, 20~30 parts of ethanol, 20~30 parts of deionized water is the modified oxidized Tissuemat E with silicone hydroxyl from plate wax.Modified oxidized Tissuemat E is added in release layer as from plate wax, modified oxidized Tissuemat E has silicone hydroxyl (Si OH), the crocking resistance of release layer can be improved so that release layer has smooth, full feel, so that with good stripping performance；The modified oxidized Tissuemat E can cooperate with water wax simultaneously so that release layer has well antiacid, alkali resistant and hard water resistance performance, additionally it is possible to improve the uniformity that chromatograph is coated with release layer.By adjusting the addition of modified oxidized Tissuemat E, it can make anodized aluminium that there is different degrees of crocking resistance and antiacid, alkali resistant and hard water resistance performance, so as to better meet application demand.

Description

Anodized aluminium
Technical field
The present invention relates to tipping paper technical field, more particularly to anodized aluminium.
Background technology
Electrochemical aluminium thermoprinting pattern with special metallic luster and the brilliant effect shown because more and more widely should Developed with producer in packages printing, is gradually printed in recent years, manufacturing process is also increasingly diversified, rationally designs gold stamping Effect is the trend of present high-grade tipping paper production, while also increasing while product aesthetics and class is improved for printing factory Value is many.
Anodized aluminium is constituted by polyester film (PET) and in the multilayer immersion coating that its surface is coated with, and different coating is in electricity Change in aluminium thermoprint and play different effects.Release layer, which is mainly, ensures that anodized aluminium can turn from base material well during thermoprint Move, and chromatograph primarily serves decorative effect, aluminium coated is then mainly to confer to the highlighted gloss of chromatograph, shows specific metal effect Really, different coatings is applied to different substrate materials.Electrochemical aluminium thermoprinting is a very important procedure in packages printing, passes through thermoprint Word is assigned, a kind of bright metal effect of pattern reaches that prominent name of product or trade mark etc. are acted on.But in the market Anodized aluminium, after thermoprint, performance is not good enough, in use, to the tolerance of environment not enough, thus service life It is not good enough.
The content of the invention
Based on this, it is necessary to not good enough for performance after traditional electrochemical aluminium thermoprinting, to the tolerance of environment asking not enough There is provided a kind of anodized aluminium for topic.
A kind of anodized aluminium, including base membrane layer, release layer, chromatograph, aluminium coated and the adhesive layer being cascading, it is described from Type layer includes the material of following parts by weight：2~5 parts of water wax, 1~3 part from plate wax, 20~30 parts of ethanol, deionized water 20~30 Part, described is the modified oxidized Tissuemat E with silicone hydroxyl from plate wax.
In one of the embodiments, the molecular weight of the modified oxidized Tissuemat E is 1000~10000.
In one of the embodiments, the release layer also includes 0.1~1 part of defoamer.
In one of the embodiments, the release layer also includes 2~5 parts of wetting dispersing agents.
In one of the embodiments, the water wax includes maleic anhydride modified Tissuemat E or ethylene-vinyl acetate copolymerization Thing modified polypropylene waxes.
In one of the embodiments, the release layer thickness is 1~2um.
In one of the embodiments, the chromatograph includes the material of following parts by weight：Aqueous acrylic emulsion 20~30 Part, 3~5 parts of modifying titanium dioxide, 5~10 parts of water soluble dyestuffs, 20~40 parts of deionized water.
In one of the embodiments, the modifying titanium dioxide is Inorganic surface modifiers modifying titanium dioxide, including At least one of the titanium dioxide of alumina-coated and the titanium dioxide of coated with silica.
In one of the embodiments, the particle diameter of the modifying titanium dioxide is 50~100nm.
In one of the embodiments, the adhesive layer includes the material of following parts by weight：Water-based acrylic resin 20~ 30 parts, aqueous 5~10 parts of terpene resin, 3~7 parts of silica, 20~30 parts of deionized water.
Modified oxidized Tissuemat E is added in above-mentioned anodized aluminium, release layer as from plate wax, modified oxidized Tissuemat E tool There is silicone hydroxyl (Si-OH), it is possible to increase the crocking resistance of release layer so that release layer has smooth, full feel, so that With good stripping performance；The modified oxidized Tissuemat E can cooperate with water wax simultaneously so that release layer has good Well antiacid, alkali resistant and hard water resistance performance, additionally it is possible to improve the uniformity that chromatograph is coated with release layer.It is modified by adjusting The addition of OPE, can make anodized aluminium have different degrees of crocking resistance and antiacid, alkali resistant and hard water resistance Performance, so as to better meet application demand.
Embodiment
In order that the purpose of the present invention, technical scheme and technique effect are more clearly understood, below to the specific of the present invention Embodiment is described.It should be appreciated that specific embodiment described herein is not used to limit this only to explain the present invention Invention.
The embodiment of the present invention provides a kind of anodized aluminium, including be cascading base membrane layer, release layer, chromatograph, aluminize Layer and adhesive layer, release layer include the material of following parts by weight：2~5 parts of water wax, 1~3 part from plate wax, 20~30 parts of ethanol is gone 20~30 parts of ionized water, wherein being the modified oxidized Tissuemat E with silicone hydroxyl from plate wax.
Modified oxidized Tissuemat E is added as from plate wax, modified oxidized polyethylene in the anodized aluminium of the present invention, release layer Wax has silicone hydroxyl (Si-OH), it is possible to increase the crocking resistance of release layer so that release layer has smooth, full feel, So as to good stripping performance；The modified oxidized Tissuemat E can cooperate with water wax simultaneously so that release layer has There are good antiacid, alkali resistant and hard water resistance performance, additionally it is possible to improve the uniformity that chromatograph is coated with release layer.Pass through adjustment The addition of modified oxidized Tissuemat E, can make anodized aluminium have different degrees of crocking resistance and antiacid, alkali resistant and anti- The performance of hard water, so as to better meet application demand.
It is preferred that, the modified oxidized Tissuemat E with silicone hydroxyl is connected on the side chain of OPE Silicone intermediate with silicone hydroxyl (Si-OH), such as organosilicone elastic block intermediate.
It is preferred that, it is the modified oxidized Tissuemat E of high density from plate wax, molecular weight is 1000~10000, further to carry The crocking resistance of high release layer, improves the lubricity on the surface of release layer.Water wax is maleic anhydride modified Tissuemat E, ethene One kind in vinyl acetate copolymer modified polypropylene wax；The molecular weight of maleic anhydride modified Tissuemat E is preferably 5000~ 8000, the molecular weight of ethylene-vinyl acetate copolymer modified polypropylene waxes is preferably 3000~5000.Modification with silicone hydroxyl OPE is with water wax common distribution in ethanol and aqueous solvent, and it is water solubility to make release layer, can effectively reduce electrification Aluminium volatilizees poisonous and harmful substance during production and processing and use, the pollution to environment is greatly reduced, while also reducing The harm that is caused to human body.
Release layer also includes defoamer, to reduce water wax and be produced from plate wax in deionized water and ethanol during dispersing and dissolving Raw bubble, improves the performance of release layer.Defoamer is preferably one kind in organic silicon defoamer, and the number of defoamer is preferred For 0.1~1 part.
Release layer is also preferable to include wetting dispersing agent, further to improve water wax and from plate wax in deionized water and second The effect disperseed in alcohol.
The thickness of release layer is preferably 1~2um, to strengthen the crocking resistance of release layer, and improves hot stamping effects.
Chromatograph includes the material of following parts by weight：20~30 parts of aqueous acrylic emulsion, 3~5 parts of modifying titanium dioxide, water Property 5~10 parts of dyestuff, 20~40 parts of deionized water.Modifying titanium dioxide is added in chromatograph, color after thermoprint can be effectively improved The resistance to UV aging of layer, enhancing anodized aluminium improves the service life of anodized aluminium to the adaptability of environment.The chromatograph is aqueous Chromatograph, the selection of water soluble dyestuffs can effectively reduce the content of VOC (VOC), improve the peace of anodized aluminium Quan Xing, while improving water resistance of the anodized aluminium after thermoprint.
Modifying titanium dioxide is preferably Inorganic surface modifiers modifying titanium dioxide, Inorganic surface modifiers can for aluminium or The hydrous oxide of silicon, such as aluminum oxide (Al2O3) or silica (SiO2).Inorganic surface modifiers modifying titanium dioxide, bag Include at least one of the titanium dioxide of alumina-coated and the titanium dioxide of coated with silica.By Inorganic surface modifiers The titanium dioxide of cladding can preferably spread out in aqueous acrylic emulsion, can greatly reduce primary particle in chromatograph Secondary particle is agglomerated into system, so that modifying titanium dioxide plays excellent anti-ultraviolet ageing in chromatograph system Energy.
It is preferred that, Inorganic surface modifiers modifying titanium dioxide is nanoscale, and particle diameter is 50-100nm, preferably to play The chemical stability and non-migratory of Inorganic surface modifiers modifying titanium dioxide, so as to improve the mechanical property of chromatograph, strengthen Hardness after electrochemical aluminium thermoprinting.
Can be different grades of resistance to ultraviolet old to prepare by adding different amounts of Inorganic surface modifiers modifying titanium dioxide Change the chromatograph of performance.Specifically, the chromatograph with high Inorganic surface modifiers modifying titanium dioxide content may be used in the cycle Longer packaging material；And the chromatograph with low Inorganic surface modifiers modifying titanium dioxide content can be used for ordinary packing material Material.
It is preferred that, aqueous acrylic emulsion is polyacrylic high molecular polymer, and molecular weight is 7000~12000.Change Property cellulose be hydroxyl modification cellulose, molecular weight be 5000~8000.
At least one of defoamer and wetting dispersing agent are may also include in chromatograph.Defoamer is preferably organic silicon froth breaking Agent, wetting dispersing agent is preferably modified poly ester.
As optional embodiment, modified cellulose is may also include in chromatograph.It is preferred that, the addition of modified cellulose is 5~10 parts, so that anodized aluminium has more preferable thermoprint speed.
Adhesive layer includes the material of following parts by weight：20~30 parts of water-based acrylic resin, aqueous terpene resin 5~10 Part, 3~7 parts of silica, 20~30 parts of deionized water.Adhesive layer is aqueous adhesive layer, safe.
It is preferred that, the molecular weight of water-based acrylic resin is 5000~8000, and glass transition temperature is 20~30 DEG C, aqueous terpene The molecular weight of olefine resin is 8000~12000, and glass transition temperature is 80~100 DEG C.
Silica is preferably gas phase, and particle diameter is preferably 50~100nm.The addition of silica, can be efficiently reduced Flash after electrochemical aluminium thermoprinting, improves the yield rate of anodized aluminium.
Adhesive layer can also include defoamer, and defoamer is preferably organic silicon defoamer, to reduce water soluble acrylic acid tree The foam that fat and aqueous terpene resin are produced when disperseing in water and alcohol solvent, improves the performance of adhesive layer.
The present invention also provides a kind of preparation method of anodized aluminium, comprises the following steps：
There is provided base film layer by S100；
S200, is coated with release layer on base film layer, and coating speed is 80m/min, and coating temperature is 100 DEG C, and dry-coated amount is 0.2~1.0g/m2；
S300, is coated with chromatograph on release layer, and coating speed is 100m/min, and coating temperature is 120 DEG C, and dry-coated amount is 0.6~1.2g/m2；
S400, to be coated with release layer and chromatograph base film layer carry out it is vacuum aluminum-coated, speed of aluminizing be 80m/min, it is dry-coated Measure as 0.2~0.5g/m2；And
S500, carries out glue-line coating, coating speed is 100m/min, and coating temperature is 110 to vacuum aluminum-coated products therefrom DEG C, dry-coated amount is 0.6~1.2g/m2。
Embodiment 1
Component：
Base film layer：Selection grammes per square metre is 18g/m2, the PET (polyethylene terephthalate) that thickness is 12u be base membrane layer.
Aqueous release layer：It is 2.5 parts of ethylene-vinyl acetate copolymer modified polypropylene waxes, modified oxidized poly- with silicone hydroxyl 3 parts of ethylene waxes, 0.1 part of organic silicon defoamer, 25 parts of ethanol, 25 parts of deionized water；
Aqueous chromatograph：25 parts of aqueous acrylic emulsion, 8 parts of aqueous magenta, 10 parts of modified cellulose, the two of alumina-coated 5 parts of titanium oxide (particle diameter 60nm), 0.2 part of organic silicon defoamer, 35 parts of deionized water；
Aqueous glue-line：25 parts of water-based acrylic resin, aqueous 5 parts of terpene resin, aerosil (particle diameter 70nm) 5 Part, 30 parts of deionized water, 0.3 part of organic silicon defoamer.
Prepare：
25 parts of ethanol and 25 parts of deionized waters are added in reactor, are placed on the dispersion machine that rotating speed is 300 revs/min, Sequentially add 2.5 parts of ethylene-vinyl acetate copolymer modified polypropylene waxes, 3 parts there is silicone hydroxyl modified oxidized Tissuemat Es, 0.1 part of organic silicon defoamer, regulation dispersing speed is 600 revs/min after addition is finished, the scattered 30min of concussion, is formed aqueous Release layer.
35 parts of deionized waters are added in reactor, is placed on the dispersion machine that rotating speed is 300 revs/min, sequentially adds 25 Part aqueous acrylic emulsion, 10 parts of modified celluloses, 8 parts of lithol that aqueous magentas, the titanium dioxide (grain of 5 parts of alumina-coateds Footpath 60nm), 0.2 part of organic silicon defoamer, regulation dispersing speed is 600 revs/min after addition is finished, the scattered 30min of concussion, Form aqueous chromatograph ink.
30 parts of deionized waters are added in reactor, is placed on the dispersion machine that rotating speed is 300 revs/min, sequentially adds 25 Part water-based acrylic resin, 5 parts of aqueous terpene resins, 5 parts of aerosils (particle diameter 70nm), 0.3 part of organic silicon defoamer, Regulation dispersion machine machine speed is 600 revs/min after addition is finished, the scattered 30min of concussion, forms aqueous glue-line.
The aqueous release layer of gained is applied on base film layer, coating speed is 80m/min, and coating temperature is 100 DEG C, dry-coated Measure as 0.2~1.0g/m2；The aqueous chromatograph ink of gained is applied on aqueous release layer again, coating speed is 100m/min, applied Cloth temperature is 120 DEG C, and dry-coated amount is 0.6~1.2g/m2；And it is vacuum aluminum-coated to products therefrom progress, speed of aluminizing is 80m/ Min, dry-coated amount is 0.2~0.5g/m2；The aqueous glue-line of gained is coated on the aluminium coated again, coating speed is 100m/ Min, coating temperature is 110 DEG C, and dry-coated amount is 0.6~1.2g/m2, obtain complete aqueous anodized aluminium.
Comparative example 1
The difference of comparative example 1 and embodiment 1, is only that aqueous release layer is different with the component of aqueous chromatograph, aqueous release The modified oxidized Tissuemat E with silicone hydroxyl is not included in layer；The titanium dioxide of alumina-coated is not included in aqueous chromatograph (particle diameter 60nm).
Base film layer：Selection grammes per square metre is 18g/m2, the PET (polyethylene terephthalate) that thickness is 12u be base membrane layer；
Aqueous release layer：2.5 parts of ethylene-vinyl acetate copolymer modified polypropylene waxes, 0.1 part of organic silicon defoamer, ethanol 25 parts, 25 parts of deionized water；
Aqueous chromatograph：25 parts of aqueous acrylic emulsion, 8 parts of aqueous magenta, 10 parts of modified cellulose, organic silicon defoamer 0.2 part, 35 parts of deionized water；
Aqueous glue-line：25 parts of water-based acrylic resin, aqueous 5 parts of terpene resin, aerosil (particle diameter 70nm) 5 Part, 30 parts of deionized water, 0.3 part of organic silicon defoamer.
Comparative example 2
The difference of comparative example 2 and embodiment 1, is only that aqueous release layer component is different, being free of in aqueous release layer has The modified oxidized Tissuemat E of silicone hydroxyl, including 3 parts of OPEs.
Base film layer：Selection grammes per square metre is 18g/m2, the PET (polyethylene terephthalate) that thickness is 12u be base membrane layer；
Aqueous release layer：2.5 parts of ethylene-vinyl acetate copolymer modified polypropylene waxes, 3 parts of OPE, organosilicon 0.1 part of defoamer, 25 parts of ethanol, 25 parts of deionized water；
Aqueous chromatograph：25 parts of aqueous acrylic emulsion, 8 parts of aqueous magenta, 10 parts of modified cellulose, the two of alumina-coated 4 parts of titanium oxide (particle diameter 60nm), 0.2 part of organic silicon defoamer, 35 parts of deionized water；
Aqueous glue-line：25 parts of water-based acrylic resin, aqueous 5 parts of terpene resin, aerosil (particle diameter 70nm) 5 Part, 30 parts of deionized water, 0.3 part of organic silicon defoamer.
Comparative example 3
The difference of comparative example 3 and embodiment 1, is only that aqueous chromatograph component is different, not salic bag in aqueous chromatograph The titanium dioxide (particle diameter 60nm) covered, including 5 parts of titanium dioxide (particle diameter 60nm).
Base film layer：Selection grammes per square metre is 18g/m2, the PET (polyethylene terephthalate) that thickness is 12u be base membrane layer；
Aqueous release layer：It is 2.5 parts of ethylene-vinyl acetate copolymer modified polypropylene waxes, modified oxidized poly- with silicone hydroxyl 3 parts of ethylene waxes, 0.1 part of organic silicon defoamer, 25 parts of ethanol, 25 parts of deionized water；
Aqueous chromatograph：25 parts of aqueous acrylic emulsion, 8 parts of aqueous magenta, 10 parts of modified cellulose, titanium dioxide (particle diameter 60nm) 5 parts, 0.2 part of organic silicon defoamer, 35 parts of deionized water；
Aqueous glue-line：25 parts of water-based acrylic resin, aqueous 5 parts of terpene resin, aerosil (particle diameter 70nm) 5 Part, 30 parts of deionized water, 0.3 part of organic silicon defoamer.
Effect detection
Embodiment 1 and the gained anodized aluminium of comparative example 1~3 are subjected to thermoprint, and gained electrochemical aluminium thermoprinting film is carried out respectively Following performance test：
1) acid resistance is tested, and electrochemical aluminium thermoprinting film is placed in into the H that mass fraction is 5%2SO4Soak 24 hours, see in solution Examine and whether there is the defects such as discoloration, bubble, corrosion；
2) alkali resistance is tested, and electrochemical aluminium thermoprinting film is placed in the NaOH solution that mass fraction is 5% and soaked 24 hours, is seen Examine and whether there is the defects such as discoloration, bubble, corrosion；
3) alkali resistance is tested, and electrochemical aluminium thermoprinting film is placed in the hard water that Deutschland hardness is 30 and soaked 72 hours, observation has Without obvious bubble；
4) the anti-ageing ultravioletization performance test of anodized aluminium, SN-R900 xenon lamp weather-resistant test boxes are placed in by electrochemical aluminium thermoprinting film In, carry out artificial accelerated aging 20 days, observation glossiness change, according to thermoprint layer glossiness after anodized aluminium light-protection rate=aging/ Unaged thermoprint layer glossiness, calculates light-protection rate；
5) hardness test, is tested the hardness of electrochemical aluminium thermoprinting film with pendulum-rocker hardness meter.
Performance to embodiment 1~3 and the gained electrochemical aluminium thermoprinting film of comparative example 1~2 is tested, as a result such as following table institute State：
The titanium dioxide of modified oxidized Tissuemat E and alumina-coated of the table 1 with silicone hydroxyl is to electrochemical aluminium thermoprinting film The influence of energy
As it can be seen from table 1 the antiacid of electrochemical aluminium thermoprinting film of embodiment 1, alkali resistant, hard water resistance, resistance to UV aging And hardness is substantially above comparative example 1, comparative example 2 and comparative example 3, illustrates, the anodized aluminium of the embodiment of the present invention, by release Addition has the modified oxidized Tissuemat E of silicone hydroxyl and the titanium dioxide of alumina-coated is added in chromatograph in layer so that electricity Change aluminium has good performance after thermoprint, and the adaptability to environment is good, thus with good service life, reduces electricity Change the cost of aluminium, be conducive to saving the energy.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (10)

1. a kind of anodized aluminium, it is characterised in that including the base membrane layer being cascading, release layer, chromatograph, aluminium coated and gluing Layer, the release layer includes the material of following parts by weight：2~5 parts of water wax, 1~3 part from plate wax, 20~30 parts of ethanol, deionization 20~30 parts of water, described is the modified oxidized Tissuemat E with silicone hydroxyl from plate wax.
2. anodized aluminium according to claim 1, it is characterised in that the molecular weight of the modified oxidized Tissuemat E is 1000 ~10000.
3. anodized aluminium according to claim 1, it is characterised in that the release layer also includes 0.1~1 part of defoamer.
4. anodized aluminium according to claim 1, it is characterised in that the release layer also includes 2~5 parts of wetting dispersing agents.
5. anodized aluminium according to claim 1, it is characterised in that the water wax include maleic anhydride modified Tissuemat E or Ethylene-vinyl acetate copolymer modified polypropylene waxes.
6. anodized aluminium according to claim 1, it is characterised in that the release layer thickness is 1~2um.
7. anodized aluminium according to claim 1, it is characterised in that the chromatograph includes the material of following parts by weight：It is aqueous 20~30 parts of acrylic emulsion, 3~5 parts of modifying titanium dioxide, 5~10 parts of water soluble dyestuffs, 20~40 parts of deionized water.
8. anodized aluminium according to claim 7, it is characterised in that the modifying titanium dioxide changes for Inorganic surface modifiers Property titanium dioxide, includes the titanium dioxide and at least one of the titanium dioxide of coated with silica of alumina-coated.
9. anodized aluminium according to claim 7, it is characterised in that the particle diameter of the modifying titanium dioxide is 50~100nm.
10. anodized aluminium according to claim 1, it is characterised in that the adhesive layer includes the material of following parts by weight：Water Property 20~30 parts of acrylic resin, aqueous 5~10 parts of terpene resin, 3~7 parts of silica, 20~30 parts of deionized water.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110497710A (en) * 2019-07-09 2019-11-26 东莞泰博世实业投资有限公司 A kind of printed on both sides film and preparation method thereof
CN114290831A (en) * 2021-12-28 2022-04-08 广东恒利新包装材料有限公司 Method for preparing colorful gradient alumite

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CN114290831A (en) * 2021-12-28 2022-04-08 广东恒利新包装材料有限公司 Method for preparing colorful gradient alumite

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