CN102329530A - Method for preparing aluminum paste for printing ink and aluminum paste prepared by using method - Google Patents
Method for preparing aluminum paste for printing ink and aluminum paste prepared by using method Download PDFInfo
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- CN102329530A CN102329530A CN201110227501A CN201110227501A CN102329530A CN 102329530 A CN102329530 A CN 102329530A CN 201110227501 A CN201110227501 A CN 201110227501A CN 201110227501 A CN201110227501 A CN 201110227501A CN 102329530 A CN102329530 A CN 102329530A
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 161
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 129
- 238000007639 printing Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000000498 ball milling Methods 0.000 claims abstract description 52
- 239000003960 organic solvent Substances 0.000 claims abstract description 32
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 238000012216 screening Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000004411 aluminium Substances 0.000 claims description 101
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 37
- 239000000843 powder Substances 0.000 claims description 33
- 238000002360 preparation method Methods 0.000 claims description 15
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 9
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 9
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 9
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000005642 Oleic acid Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 9
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 9
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 9
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 5
- 238000003701 mechanical milling Methods 0.000 claims description 4
- 239000002904 solvent Substances 0.000 abstract description 3
- 238000007865 diluting Methods 0.000 abstract description 2
- 229910021485 fumed silica Inorganic materials 0.000 abstract 2
- 239000002245 particle Substances 0.000 description 26
- 239000007787 solid Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000049 pigment Substances 0.000 description 6
- 230000001680 brushing effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005282 brightening Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical compound CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 240000000591 Strychnos spinosa Species 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001398 aluminium Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005008 domestic process Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229960004232 linoleic acid Drugs 0.000 description 1
- 238000010077 mastication Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention provides a method for preparing an aluminum paste for printing ink and an aluminum paste prepared by using the method, wherein the method comprises the following steps of: adding an organic solvent, a lubricant and powdered aluminum, then carrying out first-stage ball-milling on the obtained mixture; adding fumed silica into the mixture subjected to first-stage ball-milling, then, carrying out second-stage ball-milling on the obtained object; and sequentially carrying out screening, filtering and diluting on the obtained product subjected to second-stage ball-milling so as to obtain an aluminum paste, wherein a mill medium for ball-milling is an agate ball with a diameter of 2-3 mm, the addition amount of the powdered aluminum is 15-25 parts by weight, the addition amount of the organic solvent is 25-35 parts by weight, and the addition amount of the fumed silica is 0.05-0.2 part by weight. The method provided by the invention can effectively enhance the whiteness of a prepared aluminum paste, and a surface printed by using printing ink made of the aluminum paste is bright, fine and smooth, and rapid and thorough in solvent volatilization.
Description
Technical field
The special-purpose aluminium paste technical field of the manufacturing printing ink that the present invention relates to, in particular to the preparation method of a kind of printing ink with aluminium paste, and a kind of aluminium paste that according to said method makes.
Background technology
Printing ink uses aluminium paste often through ball milling ball aluminum powder to be processed flake aluminum as raw material with the atomizing ball aluminum powder and obtains, to improve the whiteness of obtained aluminium paste.In the prior art, for disperseing aluminium powder so that grind and evenly often aluminium powder be dissolved in the organic solvent, if the too high not volatile film forming properties that can influence printing ink of selected organic solvent flash-point.Yet aluminium powder is insoluble in the lower organic solvent of flash-point again, and dispersed therein property is poor, reduces the planarization and the exquisiteness property on ink printing surface.
Aluminium paste for ball milling acquisition aluminium flake thinner thickness commonly used in the whiteness that improves aluminium paste and the brightness prior art.For reducing aluminium flake thickness, domestic method is for prolonging the ball milling time.Though this method can reduce the thickness of aluminium flake to a certain extent, but still can't make aluminium flake thickness reach the requirement in the application, and this method also can make aluminium flake broken because of unbalance stress.Aluminium flake after the fragmentation is dissolved in the slit because area is too small, and ball-milling medium can't be to its application of force, thereby the thickness of aluminium flake is thicker and particle diameter is less in the gained aluminium paste, makes that the whiteness of aluminium paste and brightness are lower.
Summary of the invention
The present invention aims to provide preparation method and the aluminium paste thereof of a kind of printing ink with aluminium paste, and the obtained aluminium paste whiteness of prior art is low, the print surface film forming properties is poor to solve, the problem of planarization and exquisiteness property difference.
To achieve these goals, according to an aspect of the present invention, the preparation method of a kind of printing ink with aluminium paste is provided, method may further comprise the steps: add organic solvent, lubricant and D
50Be the aluminium powder of 3～11 μ m, carry out the fs ball milling and obtain mixture; In mixture, add aerosil, carry out the subordinate phase ball milling, discharging; Dilute through screening with after filtering, make aluminium paste; Wherein, used grinding medium is the agate ball of diameter 2～3mm in fs and the subordinate phase ball milling, and the add-on of aluminium powder is 15～25 weight parts, and the add-on of organic solvent is 25～35 weight parts, and the add-on of aerosil is 0.05～0.2 weight part.
Further, aerosil adding in 1～2 hour before said discharging.
Further, the flash-point of organic solvent is 15～30 ℃.
Further, the aerosil add-on is 0.09～0.12 weight part.
Further, the lubricant add-on is 0.6～1.2 weight part.
Further, lubricant is made up of the oleic acid of 0.2～0.4 weight part and the Triple Pressed Stearic Acid of 0.4～0.8 weight part.
Further, control ball mill outside wall temperature is lower than 50 ℃ in mechanical milling process.
According to another aspect of the present invention, provide a kind of printing ink to use aluminium paste, aluminium paste is made by aluminium powder and aerosil as stated above.
Technique effect of the present invention is:
The manufacturing printing ink that provides of invention use the aluminium paste method, and it is high effectively to improve prepared aluminium paste whiteness, the printed surface-brightening of the printing ink that adopts this aluminium paste to make, exquisiteness, smooth, solvent evaporates fast and thorough.
Except top described purpose, feature and advantage, the present invention also has other purpose, feature and advantage.To do further detailed explanation to the present invention below.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to and combine embodiment to specify the present invention.
Aerosil had both been protected and had been ground unlikely the breaking of aluminium flake that obtain early stage among the present invention, therefore can prolong the time of ball milling, to reduce its thickness, can also improve the dispersiveness of aluminium flake in the gained aluminium paste.Method provided by the invention has improved the whiteness of prepared aluminium paste, obtained ink printing surface-brightening, exquisiteness, smooth.
Method provided by the invention may further comprise the steps:
(1) adds organic solvent, lubricant and aluminium powder, ball milling;
(2) add aerosil ball milling, discharging;
(3) after screening, filtration and dilution, make aluminium paste.
The indication aluminium powder is D among this paper
50It is the atomizing ball aluminum powder of 3～11 μ m.Ball aluminum powder is being ground to form in the process of flake aluminum; The aluminium powder temperature raises, and the specific surface area of single aluminum particle is big, and the chemical property of aluminium element is active; The surface that this moment is exposed very easily generates the lower aluminum oxide of whiteness with airborne oxygen reaction once more.Thereby need that aluminium powder is dissolved in organic solvent and make aluminium powder and air isolated fully, avoid the generation of aluminum oxide.The mechanical milling process of this method is 30～40 hours.Because friction, the ball mill shell temperature also increases, and for preventing the generation of aluminum oxide, preferably, also need control the temperature of ball mill body surface during ball milling, makes it to be lower than 50 ℃, can also prevent that solvent from volatilizing in a large number and influence Working environment.
Aerosil among this paper is meant that particle diameter is a nano level, fluffy SiO 2 powder, and this specific surface area is long-pending to be 200m
2/ g and possess hydrophilic property.Because the nanometer grade silica particle diameter is little, specific surface area is big, the surface adsorption ability is strong, surface energy is big, thereby in the printing ink manufacturing processed, often is used as dispersion agent.The wetting ability that nano silicon had makes its end also can get close to the aluminium powder as inorganics; Thereby adhere to the surface that is wrapped in aluminium flake; Make can tightly not stick together between aluminium flake, improved the dispersiveness of aluminium flake in the aluminium paste, improve the smooth sophistication of print surface.After attached to the silicon-dioxide on aluminium flake surface aluminium flake being separated, each aluminium flake is dispersed in the organic solvent with independent individuality, prevents the aluminium flake bonding and the mutual accumulation pressure that produces is crushed aluminium flake.Protected the integrity of aluminium flake, the area that improves aluminium flake in the obtained aluminium paste has reduced the thickness of flake aluminum, thereby has improved the whiteness of aluminium paste.
Describe for convenient, existing is dividing point with mechanical milling process to add aerosil, is divided into fs ball milling and subordinate phase ball milling artificially.Ball milling through early stage; Though the ball aluminum powder particle has had sheet structure; But the thickness of this sheet structure is thicker, and the whiteness of aluminium paste does not also reach requirement, if just prolong the ball milling time simply; Not only can not flake aluminum particulate thickness be reduced, and established flake aluminum particle also can be owing to over-mastication is broken into the littler flake aluminum of area.In addition, selected ball-milling medium was primarily aimed at ball aluminum powder and played a role early stage, and the flake aluminum particle diameter after the fragmentation is too small, and ball-milling medium can't contact with further reduction grain thickness with the platy shaped particle surface.If thereby do not add aerosil, the whiteness of obtained aluminium paste also can't improve further.
Preferably, before the ball milling discharging, add aerosil in 1～2 hour, promptly the time of subordinate phase ball milling can be controlled in 1-2 hour.After adding aerosil this moment, aerosil coats to established flake aluminum surface, because used aerosil is a nano level, and possess hydrophilic property, thereby can get involved between organic solvent, lubricant and the aluminium powder, directly contact with flake aluminum.And if aerosil adds too early; Then aerosil at first is coated on the aluminium powder surface; Through behind the ball milling, the sphere of aerosil is worn down gradually, and after aluminium flake is shaped; The aerosil that is worn down coats ability drop to aluminium flake, thereby 1～2h adds aerosil effect optimum before discharging.
The aluminum particle particle diameter that is coated by aerosil increases, and forms subsphaeroidally, continues ball milling afterwards, and the abrasive power of ball-milling medium acts on this subsphaeroidal particle, and the silica dioxide granule through the surface further grinds aluminum particle.Because aluminium powder has been sheet, the area of two end surfaces of flake aluminum is bigger, and the silica dioxide granule quantity of adhering on it is more; And its both sides area is less, and the silica dioxide granule comparatively small amt that adheres to is during ball milling; Stressed less ground away less in flake aluminum both sides; Both ends of the surface are stressed bigger, thereby can guarantee to reduce aluminium powder thickness under the constant situation of aluminium powder area.
The aerosil that the ball milling later stage adds through after 1～2 hour ball milling can fully sneak in the aluminium paste performance dissemination.Aluminium powder in the aluminium paste is uniformly dispersed, makes the smooth exquisiteness of obtained ink printing surface-brightening.
In an embodiment provided by the invention, the aluminium powder add-on is 15～25 weight parts, and the organic solvent add-on is 25～35 weight parts, and the lubricant add-on is 0.6～1.2 weight part, and the aerosil add-on is 0.05～0.2 weight part.Preferably, the aerosil add-on is 0.09～0.12 weight part.This moment, aerosil was optimum to dispersion, the protection effect of aluminium paste.
Need to prove especially, in the aluminium paste provided by the invention, add aerosil amount according to add organic solvent confirm that and that institute adds the amount of organic solvent is definite according to the addition of aluminium powder.Only need satisfy the weight part ratio that weight part the reflected relation of organic solvent, aerosil and the aluminium powder mentioned among this paper, can realize the object of the invention.Like aluminium powder: organic solvent: the aerosil weight ratio is 15～25: 25～35: 0.05～0.2.Can guarantee that by this mixed aerosil coats fully aluminium powder.In this proportional range, add organic solvent and can prevent too much organic solvent diluting aerosil, aluminium powder is coated and grinds and influence it; Organic solvent can't fully dissolve aluminium powder when very few, causes caking, grinds insufficient.Then if add the three weight part satisfy this ratio and all can realize the object of the invention.It is listed that the parts by weight of concrete each material that is added are not limited to this paper.
Preferably, the flash-point of used organic solvent is 15～30 ℃ among the present invention, in this scope; Organic solvent is more volatile, and the amount that remains in the printing ink is less, even and have residual; Also can at room temperature volatilize fast after the printing ink brushing finishes, and makes that printing ink institute film forming is smooth, tasteless; Strong adhesion, simultaneously, the organic solvent in this flash-point scope is also safer.
Further, organic solvent can be YLENE, o-Xylol, m-xylene, p-Xylol, ethylbenzene etc., is preferably YLENE.The YLENE flash-point is low to moderate 27.2 ℃～46 ℃, makes it just volatilizable complete at normal temperatures, makes that the print surface of obtained printing ink is dry very fast.Reduce the detrimentally affect of residual organic solvent to the printing ink film forming properties.After the surface film oxide of aluminium was removed by grinding, organic solvent can be rapidly with the aluminium surface coverage of just exposing, and prevented air and had highly chemically active aluminium surface and contact and react.The dissolving aluminium powder ability of YLENE is strong, safe in utilization.
Lubricant can be in the preparation aluminium paste commonly used like oleic acid, Triple Pressed Stearic Acid, linolic acid etc., and wherein the lubricant add-on is 0.6～1.2 weight part.Preferably, lubricant is made up of 0.2～0.4 weight part oleic acid and 0.4～0.8 weight part Triple Pressed Stearic Acid.
Add lubricant and organic solvent wraps aluminum particle together; Wherein oleic acid and the Triple Pressed Stearic Acid as lubricant can reduce the friction between ball-milling medium and aluminum particle; In ball milling, play lubricated ball-milling medium and single aluminum particle; Avoid ball-milling medium that the power that single aluminum particle produced is directly acted on the particle, make particle unbalance stress and fragmentation, and grind the aluminium flake surface not only smooth but also smooth.Among the present invention oleic acid and stearic add-on mutually p-Xylol be low, thereby can not produce detrimentally affect to the rate of drying that does not finally make printing ink.
The used grinding medium of ball milling is the agate ball of diameter 2～3mm.During ball milling; Frictional force produces through the deadweight of ball-milling medium; Used agate ball light weight and appearance is solid, grinding medium is less to the power that the aluminium powder individual particle applies during ball milling like this, carries out ball milling with this understanding and can not spheroidal particle be ground to form sheet structure and can the alumina layer of particle surface be removed again; Expose the silvery white of aluminium itself, thereby increased the whiteness of aluminium paste.If used agate ball particle diameter is not in this scope then can't guarantee to be ground to the aluminum particle that particle diameter is merely 1～3um.
Further, the present invention provides in the method, adjusts the solid content of obtained aluminium paste through adding organic solvent, so that when as required the gained aluminium paste being mediated moulding, aluminium paste has plasticity-.
Another aspect of the present invention also provides a kind of printing ink to use aluminium paste, makes as stated above.
Further, form by 58%～62% aluminium powder, 28%～32% organic solvent, 4%～6% aerosil and 1.5%～4% lubricant by massfraction.
Adopt aforesaid method, ratio according to the method described above adds each material, can guarantee that each material component of obtained aluminium paste is aforementioned.
Embodiment
In following examples, used each material is commercially available and used instrument and is commercially available.Used aluminium powder is atomizing ball aluminum powder, D in following examples
50(50% grain diameter in the aluminium powder) is 1～3um measures aluminium paste through particle size analyzer size distribution.
Thickness with aluminium flake in the determination of electron microscopy aluminium paste.
In following examples obtained aluminium pigment is processed printing ink by ordinary method, and on arm-tie paper brushing gained printing ink and comparing.Arm-tie paper is provided with the paper of paraffin layer for the surface.Arm-tie after the brushing is placed microscopically respectively, observe the pattern of aluminium flake in the aluminium pigment.Adopt commercially available five angle color difference meters 15 °, the 45 ° L values of measuring aluminium pigment arm-tie down.The L value is used to contrast the aberration on surface to be measured.L
45 °The whiteness of reflection printing ink, L
15 °The brightness of reflection printing ink.During test, with the L of standard jig
45 °Value is made as 100, L
15 °Value is made as 200, and the L value is big more, explains that the whiteness of aluminium pigment and brightness are good more.
Dry printing ink test is carried out in baking box, the arm-tie after the brushing put into baking box to arm-tie surface film absolutely dry up to, writing down this section period is time of drying.
Embodiment 1
(1) gets atomizing ball aluminum powder 20 weight parts, YLENE 30 weight parts, oleic acid 0.3 weight part; Triple Pressed Stearic Acid 0.5 weight part; Add and to be equipped with in the horizontal ball mill of agate ball that diameter is 3mm, under 35 rev/mins, ball milling 35 hours; And the temperature of control ball mill outer wall is lower than 50 ℃, carries out the fs ball milling.
(2) add aerosil 0.1 weight part, carry out the subordinate phase ball milling of 1h, after discharging, screening, press filtration, obtain solid content afterwards and be 72% aluminium paste.
(3) solid content that adds the YLENE mixing aluminium paste of 4.8 weight parts reduces to 62%, mediates to obtain aluminium paste 1.
Embodiment 2
(1) gets atomizing ball aluminum powder 25 weight parts; YLENE 36 weight parts, oleic acid 0.3 weight part, Triple Pressed Stearic Acid 0.6 weight part; Add and to be equipped with in the horizontal ball mill of agate ball that diameter is 2mm; 35 rev/mins of following ball millings 34 hours, and the temperature of control ball mill outer wall was lower than 50 ℃, carried out the fs ball milling.
(2) add aerosil 0.19 weight part, carry out the subordinate phase ball milling of 1h, after discharging, screening, press filtration, obtain solid content afterwards and be 70% aluminium paste.
(3) solid content that adds the YLENE mixing aluminium paste of 6 weight parts reduces to 59%, mediates to obtain aluminium paste 2.
Embodiment 3
(1) gets atomizing ball aluminum powder 15 weight parts; YLENE 25 weight parts, oleic acid 0.3 weight part, Triple Pressed Stearic Acid 0.6 weight part; Add and to be equipped with in the horizontal ball mill of agate ball that diameter is 2mm; 35 rev/mins of following ball millings 34 hours, and the temperature of control ball mill outer wall was lower than 50 ℃, carried out the fs ball milling.
(2) ground 2 hours after adding aerosil 0.07 weight part, after discharging, screening, press filtration, obtain solid content afterwards and be 70% aluminium paste.
(3) solid content that adds the YLENE mixing aluminium paste of 6 weight parts reduces to 59%, mediates to obtain aluminium paste 3.
Comparative Examples
Preparation condition is identical with embodiment 1 in this Comparative Examples, and difference only is not add that aerosil, ball-milling medium are that diameter is the agate ball of 2mm, obtains aluminium paste 4.
Embodiment 1～3 and Comparative Examples gained slightly dodge aluminium pigment to carry out each item detected result and lists in the table 1.
Table 1 embodiment 1～3 and Comparative Examples detected result table
Visible by table 1, little and thin by the aluminium paste particle diameter of method preparation provided by the invention, thickness is merely 0.5～1.0 μ m, and its whiteness, brightness are high than Comparative Examples all, show smooth, make it have more excellent color travel.And can be as short as 155s 80 ℃ of following time of drying.Wherein the L15 value of embodiment 3 obtained films is that 102 its glossiness of the highest explanation are the highest, and the L45 of the aluminium pigment that makes among the embodiment 1 is up to 66, explains that its whiteness is best.And the L15 of the obtained aluminium paste of Comparative Examples and L45 are low than embodiment all, and profile pattern is poor, and thickness is 0.8～2.0 μ m, and over-all properties is lower than the aluminium paste that makes by provider's method of the present invention.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a printing ink is characterized in that with the preparation method of aluminium paste, said method comprising the steps of:
Add organic solvent, lubricant and D
50Be the aluminium powder of 3～11 μ m, carry out the fs ball milling and obtain mixture;
In said mixture, add aerosil, carry out the subordinate phase ball milling, discharging;
Dilute through screening with after filtering, make aluminium paste;
Wherein, Used grinding medium is the agate ball of diameter 2～3mm in said fs and the subordinate phase ball milling; The add-on of said aluminium powder is 15～25 weight parts, and the add-on of said organic solvent is 25～35 weight parts, and the add-on of said aerosil is 0.05～0.2 weight part.
2. preparation method according to claim 1 is characterized in that, the time of said subordinate phase ball milling is 1～2 hour.
3. preparation method according to claim 2 is characterized in that, the flash-point of said organic solvent is 15～30 ℃.
4. preparation method according to claim 3 is characterized in that, said aerosil add-on is 0.09～0.12 weight part.
5. preparation method according to claim 4 is characterized in that, said lubricant add-on is 0.6～1.2 weight part.
6. preparation method according to claim 5 is characterized in that, said lubricant is made up of the oleic acid of 0.2～0.4 weight part and the Triple Pressed Stearic Acid of 0.4～0.8 weight part.
7. preparation method according to claim 6 is characterized in that, control ball mill outside wall temperature is lower than 50 ℃ in said mechanical milling process.
8. a printing ink is used aluminium paste, it is characterized in that, makes by each said preparation method in the claim 1～7.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634253A (en) * | 2012-04-12 | 2012-08-15 | 中山市天键金属材料有限公司 | Method for preparing laser aluminum paste |
| CN102838888A (en) * | 2012-08-27 | 2012-12-26 | 淮北五星铝业有限公司 | Super mercerization argentalium silver paste preparation method |
| CN103613960A (en) * | 2013-11-28 | 2014-03-05 | 嘉兴市华源铝制品有限公司 | Preparation method of leafing aluminum paste |
| CN103756372A (en) * | 2012-08-07 | 2014-04-30 | 江苏伊特复合新材料有限公司 | Preparation method for silicon dioxide coated waterborne type aluminum paste with high insulating property |
| CN109694591A (en) * | 2019-01-03 | 2019-04-30 | 长沙族兴新材料股份有限公司 | It is modified aluminium pigment and preparation method thereof and the coating comprising it |
| CN110396307A (en) * | 2019-06-20 | 2019-11-01 | 山东盈科新型材料科技有限公司 | A kind of aluminum paste pigment preparation method |
| CN112961469A (en) * | 2021-04-08 | 2021-06-15 | 厦门稀土材料研究所 | Epoxy resin-based high-thermal-conductivity insulating material and preparation method thereof |
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| CN101948639A (en) * | 2010-08-31 | 2011-01-19 | 长沙族兴金属颜料有限公司 | Method for preparing high floating value floating aluminum silver paste |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634253A (en) * | 2012-04-12 | 2012-08-15 | 中山市天键金属材料有限公司 | Method for preparing laser aluminum paste |
| CN103756372A (en) * | 2012-08-07 | 2014-04-30 | 江苏伊特复合新材料有限公司 | Preparation method for silicon dioxide coated waterborne type aluminum paste with high insulating property |
| CN103756372B (en) * | 2012-08-07 | 2015-08-05 | 江苏伊特复合新材料有限公司 | The preparation method of high-insulativity silicon dioxide coating type water aluminum-silver slurry |
| CN102838888A (en) * | 2012-08-27 | 2012-12-26 | 淮北五星铝业有限公司 | Super mercerization argentalium silver paste preparation method |
| CN103613960A (en) * | 2013-11-28 | 2014-03-05 | 嘉兴市华源铝制品有限公司 | Preparation method of leafing aluminum paste |
| CN103613960B (en) * | 2013-11-28 | 2015-04-29 | 嘉兴市华源铝制品有限公司 | Preparation method of leafing aluminum paste |
| CN109694591A (en) * | 2019-01-03 | 2019-04-30 | 长沙族兴新材料股份有限公司 | It is modified aluminium pigment and preparation method thereof and the coating comprising it |
| CN110396307A (en) * | 2019-06-20 | 2019-11-01 | 山东盈科新型材料科技有限公司 | A kind of aluminum paste pigment preparation method |
| CN112961469A (en) * | 2021-04-08 | 2021-06-15 | 厦门稀土材料研究所 | Epoxy resin-based high-thermal-conductivity insulating material and preparation method thereof |
| CN112961469B (en) * | 2021-04-08 | 2023-03-31 | 厦门稀土材料研究所 | Epoxy resin-based high-thermal-conductivity insulating material and preparation method thereof |
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Denomination of invention: Preparation method of aluminum paste for ink and aluminum paste prepared from it Effective date of registration: 20210918 Granted publication date: 20140409 Pledgee: Ningxiang sub branch of Bank of Changsha Co.,Ltd. Pledgor: ZUXING NEW MATERIAL Co.,Ltd. Registration number: Y2021980009561 |
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Denomination of invention: Preparation method of aluminum slurry for ink and aluminum slurry produced from it Granted publication date: 20140409 Pledgee: Ningxiang sub branch of Bank of Changsha Co.,Ltd. Pledgor: ZUXING NEW MATERIAL CO.,LTD. Registration number: Y2024980013898 |