CN104693898A - Method for preparing nano-grade water-based pigment - Google Patents
Method for preparing nano-grade water-based pigment Download PDFInfo
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- CN104693898A CN104693898A CN201310662430.5A CN201310662430A CN104693898A CN 104693898 A CN104693898 A CN 104693898A CN 201310662430 A CN201310662430 A CN 201310662430A CN 104693898 A CN104693898 A CN 104693898A
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- pigment
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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
- C09D17/00—Pigment pastes, e.g. for mixing in paints
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a method for preparing nano-grade water-based pigment. The method comprises the steps of performing highly dispersing, high-pressure collision, multiple sanding on a mixture comprising 40-60 parts of pigments, 10-30 parts of water-based resin, 2-6 parts of a dispersing agent, 0.5-2 parts of a defoaming agent, 1-5 parts of a coloring agent and 0.5-3 parts of a lubricant to prepare the water-based pigment. The nano-grade water-based pigment has good dispersing degree, can be used for solving the problem that nano-grade water-based pigment is easily deposited due to uneven dispersion, is good in stability, and can still keep good dispersing performance and chromaticity under conditions of high temperature and long time storage.
Description
Technical field
The present invention relates to technical field of pigment preparation, particularly a kind of nano-scale water pigment.
Background technology
Solvent according to filling colour divides, and generally has water-based, oiliness, appearance agent three kinds classification.Water-based paint refers to can with the pigment of water by pigment dissolved or dilution.In common water-based paint, pigment particle size is large, and stability is low, easily occurs deposited phenomenon and particle aggregation flocculation phenomenon.And when reducing granules of pigments reduction simply, when particularly reaching below 100nm, the surface energy of pigment will be multiplied, and this proposes very high requirement to production technique.Meanwhile, the dispersion stabilization of granules of pigments wants high, must avoid the secondary agglomeration of below 100nm ultrafine particle.Based on the impact of these factors, the preparation of nano-level pigment acquires a certain degree of difficulty, and its application receives a definite limitation.
Summary of the invention
The present invention is directed to defect of the prior art, provide a kind of preparation method of nano-scale water pigment, in prepared water-based paint, granules of pigments is nano level, and degree of scatter is high, and product is stablized.Technical purpose of the present invention is achieved through the following technical solutions:
The preparation method of nano-scale water pigment, comprises the following steps:
By pigment 40 ~ 60 parts, water-base resin 10 ~ 30 parts, dispersion agent 2 ~ 6 parts, defoamer 0.5 ~ 2 part, the mixture of tinting material 1 ~ 5 part and lubricant 0.5 ~ 3 part of proportioning is added in container, carries out high dispersing, high-pressure impingement, repeatedly sand milling, obtains described water-based paint;
Described pigment is the nano dye particle of particle diameter between 70 ~ 120nm.
The preparation method of nano-scale water pigment of the present invention, preferred described high dispersing is high shear dispersion.
The preparation method of nano-scale water pigment of the present invention, the mass ratio of preferred described pigment and water-base resin is 45 ~ 52:15 ~ 25.
The preparation method of nano-scale water pigment of the present invention, the add-on of preferred described tinting material is pigment: tinting material is 45 ~ 52:1.5 ~ 3.
The preparation method of nano-scale water pigment of the present invention, preferred described water-base resin is selected from one or more in epoxy resin, Synolac, aminoresin, vibrin, resol or acrylic resin.
The preparation method of nano-scale water pigment of the present invention, preferred described dispersion agent is selected from the one in nonionogenic tenside.
The preparation method of nano-scale water pigment of the present invention, preferred described defoamer is selected from the one in tween or silicone oil.
The preparation method of nano-scale water pigment of the present invention, preferred described tinting material is selected from the one in amaranth, famille rose, tetraiodofluorescein, newly red, lemon yellow, Sunset yellow, indigo and light blue.
Beneficial effect of the present invention:
1. the preparation technology of nano-scale water pigment of the present invention is ingenious, by the dispersion to nano dye, high-pressure impingement, repeatedly sanded, obtains the pigment of good dispersion degree, solves the problem of the uneven free settling of nano-scale water colo(u)rant dispersion;
2. the nano-scale water pigment stability prepared by the present invention is good, still can keep good dispersing property and colourity under high temperature and long-time placement condition.
Embodiment
Following non-limiting example can make the present invention of those of ordinary skill in the art's comprehend, but does not limit the present invention in any way.
Embodiment 1
By the pigment 50 part of particle diameter between 70 ~ 100nm, 15 parts, vibrin, dispersion agent 3 parts, silicone oil 1 part, the mixture of lemon yellow 2 parts and lubricant 1 part of proportioning is added in container, and order carries out high shear dispersion treatment, high-pressure impingement process, 5 sanded, obtains described water-based paint;
Embodiment 2
By the pigment 40 part of particle diameter between 100 ~ 120nm, 20 parts, vibrin, dispersion agent 5 parts, silicone oil 0.8 part, carmine 2 parts are added in container with the mixture of lubricant 1 part of proportioning, order carries out high shear dispersion treatment, high-pressure impingement process, 5 sanded, obtains described water-based paint;
Embodiment 3
By the pigment 50 part of particle diameter between 70 ~ 100nm, 20 parts, vibrin, dispersion agent 4 parts, silicone oil 1.5 parts, indigo 3 parts are added in container with the mixture of lubricant 1 part of proportioning, and order carries out high shear dispersion treatment, high-pressure impingement process, 5 sanded, obtains described water-based paint;
Result verification:
Nano-scale water pigment prepared by embodiment 1 ~ 3 is carried out dispersion stabilization test, and normal temperature is placed and 35 DEG C of placements respectively, routine observation container bottom deposition conditions.The results show, pigment-dispersing prepared by embodiment 1 ~ 3 is good, is and occurs depositional phenomenon in 30 days, and pure color, there is not visible change.
Claims (5)
1. the preparation method of nano-scale water pigment, comprises the following steps:
By pigment 40 ~ 60 parts, water-base resin 10 ~ 30 parts, dispersion agent 2 ~ 6 parts, defoamer 0.5 ~ 2 part, the mixture of tinting material 1 ~ 5 part and lubricant 0.5 ~ 3 part of proportioning is added in container, carries out high dispersing, high-pressure impingement, repeatedly sand milling, obtains described water-based paint;
Described pigment is the nano dye particle of particle diameter between 70 ~ 120nm.
2. the preparation method of nano-scale water pigment according to claim 1, is characterized in that described high dispersing is high shear dispersion.
3. the preparation method of nano-scale water pigment according to claim 1, is characterized in that the mass ratio of described pigment and water-base resin is 45 ~ 52:15 ~ 25.
4. the preparation method of nano-scale water pigment according to claim 1, is characterized in that the add-on of described tinting material is pigment: tinting material is 45 ~ 52:1.5 ~ 3.
5. the preparation method of nano-scale water pigment according to claim 1, is characterized in that one or more that described water-base resin is selected from epoxy resin, Synolac, aminoresin, vibrin, resol or acrylic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310662430.5A CN104693898A (en) | 2013-12-05 | 2013-12-05 | Method for preparing nano-grade water-based pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310662430.5A CN104693898A (en) | 2013-12-05 | 2013-12-05 | Method for preparing nano-grade water-based pigment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104693898A true CN104693898A (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310662430.5A Pending CN104693898A (en) | 2013-12-05 | 2013-12-05 | Method for preparing nano-grade water-based pigment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968962A (en) * | 2016-05-19 | 2016-09-28 | 合肥庭索环保材料有限公司 | Natural indoor paint colorant |
| CN106634041A (en) * | 2016-12-28 | 2017-05-10 | 美利达颜料工业有限公司 | Waterborne solid predispersed pigment and preparation process thereof |
| CN108192251A (en) * | 2017-12-13 | 2018-06-22 | 雅图高新材料有限公司 | A kind of Nanometer Titanium Dioxide mill base and preparation method thereof |
| CN110819154A (en) * | 2019-11-19 | 2020-02-21 | 广州市汇合彩颜料有限公司 | Method for producing easily-dispersible water-soluble solid pigment colorant |
-
2013
- 2013-12-05 CN CN201310662430.5A patent/CN104693898A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968962A (en) * | 2016-05-19 | 2016-09-28 | 合肥庭索环保材料有限公司 | Natural indoor paint colorant |
| CN106634041A (en) * | 2016-12-28 | 2017-05-10 | 美利达颜料工业有限公司 | Waterborne solid predispersed pigment and preparation process thereof |
| CN106634041B (en) * | 2016-12-28 | 2019-01-22 | 美利达颜料工业有限公司 | A kind of aqueous solid pigment preparations and its preparation process |
| CN108192251A (en) * | 2017-12-13 | 2018-06-22 | 雅图高新材料有限公司 | A kind of Nanometer Titanium Dioxide mill base and preparation method thereof |
| CN108192251B (en) * | 2017-12-13 | 2020-04-14 | 雅图高新材料股份有限公司 | Nano titanium dioxide color paste and preparation method thereof |
| CN110819154A (en) * | 2019-11-19 | 2020-02-21 | 广州市汇合彩颜料有限公司 | Method for producing easily-dispersible water-soluble solid pigment colorant |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150610 |