CN105400266A - Preparation method for nano zinc phosphate-titanium dioxide composite dispersion liquid for anticorrosive paint - Google Patents
Preparation method for nano zinc phosphate-titanium dioxide composite dispersion liquid for anticorrosive paint Download PDFInfo
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- CN105400266A CN105400266A CN201510931991.XA CN201510931991A CN105400266A CN 105400266 A CN105400266 A CN 105400266A CN 201510931991 A CN201510931991 A CN 201510931991A CN 105400266 A CN105400266 A CN 105400266A
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- titanium dioxide
- zinc phosphate
- dispersion liquid
- dioxide composite
- nanometer zinc
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
Abstract
The invention discloses a preparation method for a nano zinc phosphate-titanium dioxide composite dispersion liquid for an anticorrosive paint. A high-density nano zinc phosphate aqueous solution is prepared in advance through high-frequency ultrasonic treatment, and an aqueous disperser is added when the granularity is 300nm. Grinding is carried out by utilization of a nano-grinder with a centrifugal separation technology until the granularity D90 is less than 100nm, and a high-density nano zinc phosphate-titanium dioxide composite aqueous dispersion liquid for an anticorrosive paint is prepared. Anticorrosive particles in the anticorrosive dispersion liquid prepared through the method are dispersed uniformly, compactness of paint after film forming can be improved greatly and the anticorrosive efficiency is raised.
Description
Technical field
The present invention relates to the preparation method of a kind of protective system nanometer zinc phosphate-titanium dioxide composite dispersion liquid.
Background technology
Zinc phosphate is traditional rust-stabilising pigment, and nontoxicity, has no stimulation to skin, and the toxic heavy metal element such as not leaded, chromium, Heat stability is good, significantly can improve wear-resisting, the corrosion resistance nature of coating.To the corrosion of iron and steel and light metal etc., there is extremely strong restraining effect, at Surface Creation Me(metal)-Zn-P
2o
5this phosphatize phosphate coat forming complexity, densification and there is firm attachment.Can also react with some ion in the carboxyl in base-material and hydroxyl and corrosive environment, generate complex compound, and this complex compound can react with corrosion product, and substrate surface is formed the protective membrane of close attachment.
Zinc phosphate is applicable to resol, Synolac, epoxy resin, epoxy polyester and acrylic resin equal solvent type coating and various water soluble resin coating simultaneously.But zinc phosphate is insoluble in water, than great, powder needs just can add in coating matrix through special modification and surface treatment usually, and dope viscosity is comparatively large, and the granular size of final zinc phosphate, at 1 microns, easily sedimentation occurs.
The present invention is based on zinc phosphate material, itself and titanium dioxide are formed a certain proportion of mixture, before being added to coating matrix, carrying out nano-dispersed in advance, then anticorrosion for highly concentrated nano dispersion liquid being mated with high adhesive force water-base resin, prepare high performance protective system.Zinc phosphate-TiO 2 particles in protective system prepared by the method is uniformly dispersed, and the TiO 2 particles that particle is more tiny can be filled up around zinc phosphate, and form finer and close corrosion protection coating, the antiseptic property of final coating obtains and improves significantly.
Summary of the invention
The object of the invention is to break through and adopt conventional powder to be added in coating matrix at present, thus cause the shortcoming that in gained protective system, zinc phosphate particle is comparatively large, antiseptic property is poor, anticorrosion particle dispersion in nanometer zinc phosphate-titanium dioxide composite dispersion liquid prepared by the method adopting nanometer to disperse in advance is even, the compactness after coating film forming can be improved greatly, promote preservative efficiency.
For reaching above-mentioned expection object, the present invention adopts following technical scheme:
A kind of preparation method of protective system nanometer zinc phosphate-titanium dioxide composite dispersion liquid, it is characterized in that, previously prepared highly concentrated nano zinc phosphate-titanium dioxide composite water soluble solution is carried out by introducing high frequency ultrasound, utilize the nano-level grinder with heart isolation technique far away to carry out the technique of final process to prepare the nanometer zinc phosphate-titanium dioxide composite water soluble dispersion liquid of high density, this technique comprises the steps:
A. by water, nanometer zinc phosphate, titanium dioxide premix composition mixed solution in proportion, high-frequency ultrasonic is used to carry out pre-dispersed process, until the granularity D90 of solid particulate reaches 300nm in mixing solutions;
B. added by dispersion agent in the obtained mixing solutions of step a, utilize FlukeFA25 high-shearing dispersion emulsifying machine to carry out shearing treatment to mixing solutions, wherein the treatment time is 1 ~ 3 hour;
C. the nano-level grinder with heart isolation technique far away is utilized, the solution continued step b is obtained carries out milled processed, until the granularity D90 of solid particulate reaches below 100nm in dispersion liquid, thus the water-based anticorrosive paint nanometer zinc phosphate-titanium dioxide composite dispersion liquid of obtained high density.
Titanium dioxide described in step a is rutile-type, Detitanium-ore-type or its combination.
Water described in step a: nanometer zinc phosphate: the mass ratio of titanium dioxide is 1:(0.2 ~ 0.7): (0.05 ~ 0.15), the rated output of described high frequency ultrasound wave device is 2000W.
In step b, described dispersion agent is one in BYK190, BYK106, BYK182, BYK184, moral modest 904S, MOK5032 or its combination, and wherein the mass ratio of water and dispersion agent is 1:(0.05 ~ 0.3).
In step c, the size of described nano-level grinder grinding medium zirconium pearl is 0.1mm or 0.05mm.
The method preparation that nanometer of the present invention is disperseed in advance can significantly improve the mixing homogeneity of zinc phosphate at nanometer level, alleviate particle agglomeration phenomenon, nanometer zinc phosphate-titanium dioxide composite dispersion liquid can improve the compactness after coating film forming greatly, thus promotes the performance of protective system.
Embodiment
Below by specific examples, the details that the present invention realizes is described, but protection scope of the present invention is not limited to these embodiments.
Embodiment 1:
By 100g water, 20g nanometer zinc phosphate and 5g titanium dioxide premix composition mixed solution in proportion, high-frequency ultrasonic is used to carry out pre-dispersed process, until the granularity D90 of solid particulate reaches 300nm in mixing solutions; Added in above-mentioned mixing solutions by 5g dispersant B YK190, utilize FlukeFA25 high-shearing dispersion emulsifying machine to carry out shearing treatment to mixing solutions, wherein the treatment time is 1 hour; Utilize the nano-level grinder with heart isolation technique far away, above-mentioned solution is continued to carry out milled processed, use the zirconium pearl of 0.1mm as grinding medium, until the granularity D90 of solid particulate reaches below 100nm in dispersion liquid, thus the water-based anticorrosive paint nanometer zinc phosphate-titanium dioxide composite dispersion liquid of obtained high density.
Embodiment 2:
By 100g water, 40g nanometer zinc phosphate and 10g titanium dioxide premix composition mixed solution in proportion, high-frequency ultrasonic is used to carry out pre-dispersed process, until the granularity D90 of solid particulate reaches 300nm in mixing solutions; Added in above-mentioned mixing solutions by 10g dispersant B YK106, utilize FlukeFA25 high-shearing dispersion emulsifying machine to carry out shearing treatment to mixing solutions, wherein the treatment time is 2 hours; Utilize the nano-level grinder with heart isolation technique far away, above-mentioned solution is continued to carry out milled processed, use the zirconium pearl of 0.1mm as grinding medium, until the granularity D90 of solid particulate reaches below 100nm in dispersion liquid, thus the water-based anticorrosive paint nanometer zinc phosphate-titanium dioxide composite dispersion liquid of obtained high density.
Embodiment 3:
By 100g water, 60g nanometer zinc phosphate and 10g titanium dioxide premix composition mixed solution in proportion, high-frequency ultrasonic is used to carry out pre-dispersed process, until the granularity D90 of solid particulate reaches 300nm in mixing solutions; Added in above-mentioned mixing solutions by the modest 904S of 20g dispersion agent moral, utilize FlukeFA25 high-shearing dispersion emulsifying machine to carry out shearing treatment to mixing solutions, wherein the treatment time is 2 hours; Utilize the nano-level grinder with heart isolation technique far away, above-mentioned solution is continued to carry out milled processed, use the zirconium pearl of 0.05mm as grinding medium, until the granularity D90 of solid particulate reaches below 100nm in dispersion liquid, thus the water-based anticorrosive paint nanometer zinc phosphate-titanium dioxide composite dispersion liquid of obtained high density.
Embodiment 4:
By 100g water, 70g nanometer zinc phosphate and 15g titanium dioxide premix composition mixed solution in proportion, high-frequency ultrasonic is used to carry out pre-dispersed process, until the granularity D90 of solid particulate reaches 300nm in mixing solutions; Added in above-mentioned mixing solutions by 30g dispersion agent MOK5032, utilize FlukeFA25 high-shearing dispersion emulsifying machine to carry out shearing treatment to mixing solutions, wherein the treatment time is 3 hours; Utilize the nano-level grinder with heart isolation technique far away, above-mentioned solution is continued to carry out milled processed, use the zirconium pearl of 0.05mm as grinding medium, until the granularity D90 of solid particulate reaches below 100nm in dispersion liquid, thus the water-based anticorrosive paint nanometer zinc phosphate-titanium dioxide composite dispersion liquid of obtained high density.
Claims (5)
1. the preparation method of protective system nanometer zinc phosphate-titanium dioxide composite dispersion liquid, it is characterized in that, previously prepared highly concentrated nano zinc phosphate-titanium dioxide composite water soluble solution is carried out by introducing high frequency ultrasound, utilize the nano-level grinder with heart isolation technique far away to carry out the technique of final process to prepare the nanometer zinc phosphate-titanium dioxide composite water soluble dispersion liquid of high density, this technique comprises the steps:
A. by water, nanometer zinc phosphate, titanium dioxide premix composition mixed solution in proportion, high-frequency ultrasonic is used to carry out pre-dispersed process, until the granularity D90 of solid particulate reaches 300nm in mixing solutions;
B. added by dispersion agent in the obtained mixing solutions of step a, utilize FlukeFA25 high-shearing dispersion emulsifying machine to carry out shearing treatment to mixing solutions, wherein the treatment time is 1 ~ 3 hour;
C. the nano-level grinder with heart isolation technique far away is utilized, the solution continued step b is obtained carries out milled processed, until the granularity D90 of solid particulate reaches below 100nm in dispersion liquid, thus the water-based anticorrosive paint nanometer zinc phosphate-titanium dioxide composite dispersion liquid of obtained high density.
2. the preparation method of a kind of protective system nanometer zinc phosphate-titanium dioxide composite dispersion liquid according to claim 1, is characterized in that, the titanium dioxide described in step a is rutile-type, Detitanium-ore-type or its combination.
3. the preparation method of a kind of protective system nanometer zinc phosphate-titanium dioxide composite dispersion liquid according to claim 1, it is characterized in that, water described in step a: nanometer zinc phosphate: the mass ratio of titanium dioxide is 1:(0.2 ~ 0.7): (0.05 ~ 0.15), the rated output of described high frequency ultrasound wave device is 2000W.
4. the preparation method of a kind of protective system nanometer zinc phosphate-titanium dioxide composite dispersion liquid according to claim 1, it is characterized in that, in step b, described dispersion agent is one in BYK190, BYK106, BYK182, BYK184, moral modest 904S, MOK5032 or its combination, and wherein the mass ratio of water and dispersion agent is 1:(0.05 ~ 0.3).
5. the preparation method of a kind of protective system nanometer zinc phosphate-titanium dioxide composite dispersion liquid according to claim 1, is characterized in that, in step c, the size of described nano-level grinder grinding medium zirconium pearl is 0.1mm or 0.05mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510931991.XA CN105400266A (en) | 2015-12-15 | 2015-12-15 | Preparation method for nano zinc phosphate-titanium dioxide composite dispersion liquid for anticorrosive paint |
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| CN201510931991.XA CN105400266A (en) | 2015-12-15 | 2015-12-15 | Preparation method for nano zinc phosphate-titanium dioxide composite dispersion liquid for anticorrosive paint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107573744A (en) * | 2017-09-14 | 2018-01-12 | 浙江加州国际纳米技术研究院台州分院 | The method for preparing trbasic zinc phosphate system Composite Anticorrosive Pigment Using using rod pin nanon ball-mill |
| CN115322624A (en) * | 2022-09-22 | 2022-11-11 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of nano titanium dioxide dispersion liquid for printing ink |
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| CN1528828A (en) * | 2003-09-29 | 2004-09-15 | 万达科技（无锡）有限公司 | Light composite iron-titanium powder |
| CN101205419A (en) * | 2007-11-30 | 2008-06-25 | 华南理工大学 | Yb-doped nano aqueous ATO heat-proof slurry and preparation thereof |
| CN101921516A (en) * | 2009-10-28 | 2010-12-22 | 北京航空航天大学 | Aqueous antiseptic transparent coating suitable for steel surface and preparation method thereof |
| JP2012166193A (en) * | 2012-03-09 | 2012-09-06 | Tayca Corp | Titanium oxide dispersion liquid stable in neutral range |
| CN102775833A (en) * | 2012-08-20 | 2012-11-14 | 河北大学 | Nanometer oxide coated phosphate rust resisting pigment and preparation method thereof |
| CN103896235A (en) * | 2012-12-24 | 2014-07-02 | 华东理工大学 | Efficient zinc phosphate micro-nano anticorrosion agent preparation method |
| CN104774523A (en) * | 2015-04-22 | 2015-07-15 | 陈曦 | Novel corrosion-resistant nano composite paint and preparation method thereof |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1528828A (en) * | 2003-09-29 | 2004-09-15 | 万达科技（无锡）有限公司 | Light composite iron-titanium powder |
| CN101205419A (en) * | 2007-11-30 | 2008-06-25 | 华南理工大学 | Yb-doped nano aqueous ATO heat-proof slurry and preparation thereof |
| CN101921516A (en) * | 2009-10-28 | 2010-12-22 | 北京航空航天大学 | Aqueous antiseptic transparent coating suitable for steel surface and preparation method thereof |
| JP2012166193A (en) * | 2012-03-09 | 2012-09-06 | Tayca Corp | Titanium oxide dispersion liquid stable in neutral range |
| CN102775833A (en) * | 2012-08-20 | 2012-11-14 | 河北大学 | Nanometer oxide coated phosphate rust resisting pigment and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107573744A (en) * | 2017-09-14 | 2018-01-12 | 浙江加州国际纳米技术研究院台州分院 | The method for preparing trbasic zinc phosphate system Composite Anticorrosive Pigment Using using rod pin nanon ball-mill |
| CN107573744B (en) * | 2017-09-14 | 2019-08-16 | 浙江加州国际纳米技术研究院台州分院 | The method for preparing trbasic zinc phosphate system Composite Anticorrosive Pigment Using using stick pin type nanon ball-mill |
| CN115322624A (en) * | 2022-09-22 | 2022-11-11 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of nano titanium dioxide dispersion liquid for printing ink |
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Application publication date: 20160316 |