CN102363706B - Transparent aqueous monocomponent priming paint and preparation method thereof - Google Patents
Transparent aqueous monocomponent priming paint and preparation method thereof Download PDFInfo
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- CN102363706B CN102363706B CN 201110181740 CN201110181740A CN102363706B CN 102363706 B CN102363706 B CN 102363706B CN 201110181740 CN201110181740 CN 201110181740 CN 201110181740 A CN201110181740 A CN 201110181740A CN 102363706 B CN102363706 B CN 102363706B
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Abstract
The invention which discloses a transparent aqueous monocomponent priming paint and a preparation method thereof belongs to the coating field. The formula of the priming paint comprises, by weight, 40-50 parts of an aqueous polyurethane dispersion, 20-30 parts of polyacrylic acid modified polyurethane, 0.1-0.5 parts of a wetting agent, 1.0-2.0 parts of a thickening agent, 0.1-0.5 parts of an antifoaming agent, 5.0-15.0 parts of a filler, 0.1-0.5 parts of a leveling agent, 0.1-2.0 parts of a film forming assistant and 1.0-5.0 parts of water. The priming paint of the invention has the advantages of excellent luster and appearance, good contamination resistance and chemical resistance, excellent mechanical performance, realization of simultaneous construction with other paints of an emulsion paint and the like, easy operation, and diversification.
Description
Technical field
The invention belongs to paint field, be specifically related to a kind of transparent aqueous monocomponent priming paint and preparation method thereof.
Background technology
Present various coating types on the market are various, mainly are divided into organic coating and inorganic paint, and organic coating is divided into again organic solvent type coating and organic water-borne coatings according to the solvent difference of using.Organic solvent type coating can not satisfy because VOC is high the requirement to environmental protection that people strengthen day by day.
Organic water-borne coatings, i.e. water-borne coatings becomes the focus of research now day by day.Conventional water-miscible paint is poor to the timber wettability, and also usually bad with other water-baseds embodiment consistencies, emulsion is easily destroyed under high-speed stirring.
Summary of the invention
The technical problem to be solved in the present invention is that in prior art, water-miscible paint is poor to the timber wettability, and also usually bad with other water-baseds embodiment consistencies, emulsion is easily destroyed under high-speed stirring.
The technical scheme that the present invention solves this technical problem is: transparent aqueous monocomponent priming paint, its formula is: by weight, 40～50 parts of aqueous polyurethane dispersion, 20～30 parts of polyacrylic acid modified urethane, 0.1～0.5 part of wetting agent, 1.0～2.0 parts of thickening materials, 0.1～0.5 part of defoamer, 5.0～15.0 parts of fillers, 0.1～0.5 part of flow agent, 0.1～2.0 part of film coalescence aid, 1.0～5.0 parts, water.
In formula described above, preferably, aqueous polyurethane dispersion is 45 parts, 25 parts of polyacrylic acid modified urethane, 0.3 part of wetting agent, 1.5 parts of thickening materials, 0.3 part of defoamer, 10 parts of fillers, 0.3 part of flow agent, 1 part of film coalescence aid, 3 parts, water.
the present invention also provides a kind of preparation method of transparent aqueous monocomponent priming paint, it comprises the following steps: by weight, low whipping speed is to add successively 40～50 parts of aqueous polyurethane dispersion under 600～800r/min condition in container, 20～30 parts of polyacrylic acid modified urethane, 0.1～0.5 part of wetting agent, 1.0～2.0 parts of thickening materials, 0.1～0.5 part of defoamer, stir and slowly add 5.0～15.0 parts of fillers, then mixing speed is transferred to 1200～1500r/min, be dispersed to fineness≤60um, then add successively 0.1～0.5 part of flow agent, 0.1～2.0 part of film coalescence aid, again mixing speed being transferred to 600～800r/min stirs, 1.0～5.0 parts of cleaning equipments of water, adjust viscosity to 120KU～130KU, filtration obtains finished product.
During use, press the proportioning allotment of this Chan Pin ︰ water=1 ︰ 0.3～0.5 evenly, can construct after bubble is eliminated in standing 10 minutes.
The present invention is take water as solvent or the coating of dispersion medium, and it has important environment protection significance, asepsis environment-protecting, and the hazardous solvent such as containing benezene, do not contain free TDI.
The present invention adopts polyacrylic acid modified urethane, aqueous polyurethane dispersion, ACRYLIC EMULSION process self chemically crosslinked to send out and answer, and generates a kind of high performance high molecular polymer.Solved the conventional water-miscible paint problem poor to the timber wettability, and the phenomenon bad with other water-based system consistencies; Solved the possibility of emulsion meeting breakdown of emulsion under high-speed stirring.
The present invention has excellent gloss and outward appearance, and stain resistance and chemical moral character are excellent, excellent mechanical property, can with other paint construction simultaneously such as emulsion paint, processing ease and variation.
Embodiment
Embodiment 1
by weight, low whipping speed is to add successively 40 parts of aqueous polyurethane dispersion (Opel enlightening AC 2508) under the 600r/min condition in container, 20 parts of polyacrylic acid modified urethane (Opel enlightening AC 2606), 0.1 part of wetting agent (Tao Shi DOW X405), 1.0 parts of thickening materials (ROHM AND HAAS RM 2020), 0.1 part of defoamer (Bi Ke BYK 028), stir and slowly add 5.0 parts of fillers (CC 200 steps in general department), then mixing speed is transferred to 1200r/min, be dispersed to fineness≤60um, then add successively 0.1 part of flow agent (Bi Ke BYK 346), 0.1 part of film coalescence aid (Yi Shiman alcohol ester-12), again mixing speed being transferred to 600r/min stirs, 1.0 parts of cleaning equipments of water, adjust viscosity to 120KU, filtration obtains finished product.
Embodiment 2
by weight, low whipping speed is to add successively 50 parts of aqueous polyurethane dispersion (Opel enlightening AC 2508) under the 800r/min condition in container, 30 parts of polyacrylic acid modified urethane (Opel enlightening AC 2606), 0.5 part of wetting agent (Bi Ke BYK 194), 2.0 parts of thickening materials (ROHM AND HAAS RM 2020), 0.5 part of defoamer (high Tego 902 W of enlightening), stir and slowly add 15.0 parts of fillers (CC 200 steps in general department), then mixing speed is transferred to 1500r/min, be dispersed to fineness≤60um, then add successively 0.5 part of flow agent (the high Tego 410 of enlightening), 2.0 parts of film coalescence aid (Yi Shiman alcohol ester-12), again mixing speed being transferred to 800r/min stirs, 5.0 parts of cleaning equipments of water, adjust viscosity to 130KU, filtration obtains finished product.
Embodiment 3
by weight, low whipping speed is to add successively 45 parts of aqueous polyurethane dispersion (Opel enlightening AC 2508) under the 700r/min condition in container, 25 parts of polyacrylic acid modified urethane (Opel enlightening AC 2606), 0.3 part of wetting agent (NOPCO SN 996), 1.5 parts of thickening materials (ROHM AND HAAS RM 2020), 0.3 part of defoamer (NOPCO SN 154), stir and slowly add 10 parts of fillers (CC 200 steps in general department), then mixing speed is transferred to 1400r/min, be dispersed to fineness≤60um, then add successively 0.3 part of flow agent (Bi Ke BYK 346), 1 part of film coalescence aid (Yi Shiman alcohol ester-12), again mixing speed being transferred to 700r/min stirs, 3 parts of cleaning equipments of water, adjust viscosity to 125KU, filtration obtains finished product.
Each embodiment product performance contrast of table 1:
| Test event | Solvent-borne type | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Paint film appearance | Smooth smooth | Smooth smooth | Smooth smooth | Smooth smooth |
| The feature of environmental protection | Contain the hazardous solvents such as benzene | Do not contain the hazardous solvents such as benzene | Do not contain the hazardous solvents such as benzene | Do not contain the hazardous solvents such as benzene |
| Free TDI | Contain | Do not contain | Do not contain | Do not contain |
| Sticking power | 0 grade | 0 grade | 0 grade | 0 grade |
| Pencil hardness | HB | HB | HB | HB |
| Chemical-resistant | Excellent | Excellent | Excellent | Excellent |
| Defoaming | Excellent | Excellent | Generally | Excellent |
| Levelling property | Excellent | Can accept | Excellent | Excellent |
| Surface drying (min) | 10-20 | 13 | 13 | 15 |
| Tack-free (h) | 2-4 | 3 | 3 | 3 |
| Grinability | Good | Good | Good | Good |
| VOC（g/l） | Less than 580 | 190 | 180 | 190 |
| Application property | Easily | Easily | Easily | Easily |
As seen from Table 1, product VOC content of the present invention is starkly lower than solvent type paint, and does not contain benzene and free TDI, environmental protection more, and other indexs are also little with the solvent-borne type difference.
Claims (1)
1. transparent aqueous monocomponent priming paint, it is characterized in that, its formula is: by weight, aqueous polyurethane dispersion is 45 parts, 25 parts of polyacrylic acid modified urethane, 0.3 part of wetting agent, 1.5 parts of thickening materials, 0.3 part of defoamer, 10 parts of fillers, 0.3 part of flow agent, 1 part of film coalescence aid, 3 parts, water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110181740 CN102363706B (en) | 2011-06-30 | 2011-06-30 | Transparent aqueous monocomponent priming paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110181740 CN102363706B (en) | 2011-06-30 | 2011-06-30 | Transparent aqueous monocomponent priming paint and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102363706A CN102363706A (en) | 2012-02-29 |
| CN102363706B true CN102363706B (en) | 2013-11-06 |
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| CN 201110181740 Expired - Fee Related CN102363706B (en) | 2011-06-30 | 2011-06-30 | Transparent aqueous monocomponent priming paint and preparation method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387890B (en) * | 2014-11-28 | 2017-02-22 | 东莞顶好涂料有限公司 | Modified polyurethane coating and preparation method thereof |
| CN108624173A (en) * | 2018-05-29 | 2018-10-09 | 佛山市顺德区雅成化工有限公司 | A kind of preparation method of mono-component aqueous paint |
| CN110684446A (en) * | 2018-07-05 | 2020-01-14 | 河北晨阳工贸集团有限公司 | Water-based ultra-clear primer suitable for solid wood furniture and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016431A (en) * | 2007-02-06 | 2007-08-15 | 深圳清华大学研究院 | Nano antibacterial water woodenware paint and preparing method thereof |
| CN101760121A (en) * | 2009-12-14 | 2010-06-30 | 上海维凯化学品有限公司 | Temperature-resistance environmental-protection aqueous transfer coating and preparation method thereof |
| CN101768398A (en) * | 2009-12-16 | 2010-07-07 | 上海维凯化学品有限公司 | Water-based temperature resistant single-coating transfer laser aluminizing paint and preparation method thereof |
-
2011
- 2011-06-30 CN CN 201110181740 patent/CN102363706B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016431A (en) * | 2007-02-06 | 2007-08-15 | 深圳清华大学研究院 | Nano antibacterial water woodenware paint and preparing method thereof |
| CN101760121A (en) * | 2009-12-14 | 2010-06-30 | 上海维凯化学品有限公司 | Temperature-resistance environmental-protection aqueous transfer coating and preparation method thereof |
| CN101768398A (en) * | 2009-12-16 | 2010-07-07 | 上海维凯化学品有限公司 | Water-based temperature resistant single-coating transfer laser aluminizing paint and preparation method thereof |
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| CN102363706A (en) | 2012-02-29 |
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