CN105038378A - Water-based copper-zinc alloy powder with excellent color stability and production method thereof - Google Patents
Water-based copper-zinc alloy powder with excellent color stability and production method thereof Download PDFInfo
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- CN105038378A CN105038378A CN201510376256.7A CN201510376256A CN105038378A CN 105038378 A CN105038378 A CN 105038378A CN 201510376256 A CN201510376256 A CN 201510376256A CN 105038378 A CN105038378 A CN 105038378A
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Abstract
The invention discloses water-based copper-zinc alloy powder with excellent color stability. The water-based copper-zinc alloy powder is characterized in that copper-zinc alloy powder is coated and modified by adopting a copolymerized modification method; acrylic acid, styrene and trimethylolpropane trimethacrylate are taken as monomers; meanwhile, other effective additives are also added; the surface of flake copper-zinc alloy powder is coated with a layer of dense copolymer film with benzene rings and carboxyl through a copolymerization method at the temperature of 80DEG C; a casing layer formed on the surface of the flake copper-zinc alloy powder can play a role of shielding the copper-zinc alloy powder, so that the corrosion resistance of the copper-zinc alloy powder is improved, and the surface charge properties and surface chemical reaction characteristics of the copper-zinc alloy powder also can be changed; the prepared copper-zinc alloy powder disclosed by the invention can be applied to water-based ink, is suitable for industrial production, and has the advantages of good processing properties, high corrosion resistance, good color stability, long service life and high cost performance.
Description
Technical field
The present invention relates to metal powder material preparing technical field, be specifically related to good aqueous copper Zinc alloy powder of a kind of color stability and preparation method thereof.
Background technology
Cu-zn alloy powder is also known as gold imitating copper alloy powder, be commonly called as " Cu-Zn alloy powder ", be a kind of with copper, zinc for main raw material, through the flakey powdered alloy that special processing and chemical conversion treatment are made, have good luminous reflectance effect, metallic luster is true to nature exactly likes gold, light durable, and there is the feature of good dispersity, strong adhesion, be widely used in packages printing industry field.At present, the ink that the sector generally uses is with the poisonous organic reagent such as benzene, ether for solvent, and volatile organic content is 30% ~ 70%, produces environmental pollution, infringement HUMAN HEALTH.Along with sound and perfect to the reinforcement of environmental protection consciousness and environmental regulation of people, solvent type ink will be replaced by water color ink part.But because cu-zn alloy powder particle diameter is little, specific surface area is large, and surface atom number is many, activity is very large, is easy to and the reaction such as the acid in environment, alkali, water, oxygen, and pigment is gone bad, lose original metalluster.Simultaneously, the problem of oxidation stain is often there is in cu-zn alloy powder in high temperature and high speed typography, therefore need to improve its high temperature oxidation resistance, be necessary existing cu-zn alloy powder modifying surface for solving an above difficult problem, improve the performance such as acidproof, alkaline-resisting, weather-proof, high temperature resistant of cu-zn alloy powder, and then provide possibility for realizing cu-zn alloy powder from the transformation of solvent type ink hydrotropisms ink.
Summary of the invention
Object of the present invention is just to provide good aqueous copper Zinc alloy powder of a kind of color stability and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
The aqueous copper Zinc alloy powder that a kind of color stability is good, it is characterized in that, be made up of the raw material of following weight part: sheet of copper Zinc alloy powder 100, vinylformic acid 0.4-1.3, vinylbenzene 0.8-2.3, trimethylolpropane trimethacrylate 9-17, silicon sol 3-6, n-butyl acrylate 2.1-3.4, trimellitic acid 1,2-anhydride 1.3-2.5, acrylate 1.2-2.6, trihydroxy ethylamine oleate soap 0.6-0.9, nano-attapulgite 1-3, boronation two tungsten 0.3-0.5, propyl carbinol 60-70.
The preparation method of the aqueous copper Zinc alloy powder that described a kind of color stability is good, is characterized in that comprising the following steps:
(1) by nano-attapulgite, silicon sol, boronation two tungsten ultrasonic wave dispersion 30-50 minute, dry for standby;
(2) trimellitic acid 1,2-anhydride, n-butyl acrylate are put into reactor and be warming up to 120-135 DEG C, add trihydroxy ethylamine oleate soap insulated and stirred 3-5 hour, be cooled to 50-60 DEG C, add acrylate and keep temperature to stir 2-4 hour, be cooled to room temperature;
(3) vinylformic acid, vinylbenzene, trimethylolpropane trimethacrylate are dropped into stirring and evenly mixing in propyl carbinol, add step (2) reaction mass, be warming up to 80-90 DEG C and keep temperature stirring reaction 4-6 hour;
(4) the sheet of copper Zinc alloy powder nitrogen after cleaning is dried up and is ground to 200-300 order, under nitrogen protection, add step (1), the mixing of (3) material stirring, in 80 DEG C of insulation coating reaction 4 hours, filter, cleaning dry up discharging with nitrogen.
The present invention has following beneficial effect: the present invention adopts modification by copolymerization method to carry out coating modification to cu-zn alloy powder, with vinylformic acid, vinylbenzene, trimethylolpropane trimethacrylate is monomer, also add other effective additives simultaneously, in 80 DEG C by the co-polymer membrane with phenyl ring and carboxyl of copolyreaction in the densification of sheet of copper Zinc alloy powder Surface coating one deck, the shell that its surface is formed not only can play shielding effect to cu-zn alloy powder, improve its corrosion resistance nature, surface charge property and the surface chemical reaction characteristic of cu-zn alloy powder can also be changed, the cu-zn alloy powder good processability utilizing the present invention to obtain, corrosion-resistant, color stability is good, be applied in water color ink, long service life, cost performance is high, very suitability for industrialized is produced.
Embodiment
The aqueous copper Zinc alloy powder that described a kind of color stability is good, it is characterized in that, be made up of the raw material of following weight part: sheet of copper Zinc alloy powder 100, vinylformic acid 0.6, vinylbenzene 1.8, trimethylolpropane trimethacrylate 14, silicon sol 4, n-butyl acrylate 2.2, trimellitic acid 1,2-anhydride 1.4, acrylate 1.2, trihydroxy ethylamine oleate soap 0.8, nano-attapulgite 2, boronation two tungsten 0.4, propyl carbinol 68.
Making method comprises the following steps:
(1) by nano-attapulgite, silicon sol, boronation two tungsten ultrasonic wave dispersion 30-50 minute, dry for standby;
(2) trimellitic acid 1,2-anhydride, n-butyl acrylate are put into reactor and be warming up to 120-135 DEG C, add trihydroxy ethylamine oleate soap insulated and stirred 3-5 hour, be cooled to 50-60 DEG C, add acrylate and keep temperature to stir 2-4 hour, be cooled to room temperature;
(3) vinylformic acid, vinylbenzene, trimethylolpropane trimethacrylate are dropped into stirring and evenly mixing in propyl carbinol, add step (2) reaction mass, be warming up to 80-90 DEG C and keep temperature stirring reaction 4-6 hour;
(4) the sheet of copper Zinc alloy powder nitrogen after cleaning is dried up and is ground to 200-300 order, under nitrogen protection, add step (1), the mixing of (3) material stirring, in 80 DEG C of insulation coating reaction 4 hours, filter, cleaning dry up discharging with nitrogen.
The technical parameter index of the aqueous copper Zinc alloy powder using the present invention to produce is as follows:
(1) oxidation resistance temperature improves nearly 20 DEG C;
(2) in 2% dust technology, immersion was just dissolved completely after 2 hours, and acid resistance is strong;
(3) phenomenon utilizing the present invention to fill the static placement of water color ink to there will not be ink to harden in more than 50 days, with its layer of ink of paper wear resistance >80% of this ink printing.
Claims (2)
1. the aqueous copper Zinc alloy powder that a color stability is good, it is characterized in that, be made up of the raw material of following weight part: sheet of copper Zinc alloy powder 100, vinylformic acid 0.4-1.3, vinylbenzene 0.8-2.3, trimethylolpropane trimethacrylate 9-17, silicon sol 3-6, n-butyl acrylate 2.1-3.4, trimellitic acid 1,2-anhydride 1.3-2.5, acrylate 1.2-2.6, trihydroxy ethylamine oleate soap 0.6-0.9, nano-attapulgite 1-3, boronation two tungsten 0.3-0.5, propyl carbinol 60-70.
2. the making method of the aqueous copper Zinc alloy powder that a kind of color stability according to claim 1 is good, is characterized in that comprising the following steps:
(1) by nano-attapulgite, silicon sol, boronation two tungsten ultrasonic wave dispersion 30-50 minute, dry for standby;
(2) trimellitic acid 1,2-anhydride, n-butyl acrylate are put into reactor and be warming up to 120-135 DEG C, add trihydroxy ethylamine oleate soap insulated and stirred 3-5 hour, be cooled to 50-60 DEG C, add acrylate and keep temperature to stir 2-4 hour, be cooled to room temperature;
(3) vinylformic acid, vinylbenzene, trimethylolpropane trimethacrylate are dropped into stirring and evenly mixing in propyl carbinol, add step (2) reaction mass, be warming up to 80-90 DEG C and keep temperature stirring reaction 4-6 hour;
(4) the sheet of copper Zinc alloy powder nitrogen after cleaning is dried up and is ground to 200-300 order, under nitrogen protection, add step (1), the mixing of (3) material stirring, in 80 DEG C of insulation coating reaction 4 hours, filter, cleaning dry up discharging with nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376256.7A CN105038378A (en) | 2015-06-27 | 2015-06-27 | Water-based copper-zinc alloy powder with excellent color stability and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376256.7A CN105038378A (en) | 2015-06-27 | 2015-06-27 | Water-based copper-zinc alloy powder with excellent color stability and production method thereof |
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| CN105038378A true CN105038378A (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510376256.7A Pending CN105038378A (en) | 2015-06-27 | 2015-06-27 | Water-based copper-zinc alloy powder with excellent color stability and production method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100278A (en) * | 1987-01-07 | 1988-07-20 | 湘潭市化工研究设计所 | The preparation method of silicon-containing telluride pigment |
| CN103333532A (en) * | 2013-07-11 | 2013-10-02 | 合肥旭阳铝颜料有限公司 | Aqueous bronze powder preparation method |
-
2015
- 2015-06-27 CN CN201510376256.7A patent/CN105038378A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100278A (en) * | 1987-01-07 | 1988-07-20 | 湘潭市化工研究设计所 | The preparation method of silicon-containing telluride pigment |
| CN103333532A (en) * | 2013-07-11 | 2013-10-02 | 合肥旭阳铝颜料有限公司 | Aqueous bronze powder preparation method |
Non-Patent Citations (1)
| Title |
|---|
| 李霞等: ""三元共聚法包覆片状铜锌合金粉"", 《粉末冶金技术》 * |
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Application publication date: 20151111 |