CN103740254A - Transparent polyurethane primer and preparation method thereof - Google Patents
Transparent polyurethane primer and preparation method thereof Download PDFInfo
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- CN103740254A CN103740254A CN201310724434.1A CN201310724434A CN103740254A CN 103740254 A CN103740254 A CN 103740254A CN 201310724434 A CN201310724434 A CN 201310724434A CN 103740254 A CN103740254 A CN 103740254A
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Abstract
The invention discloses transparent polyurethane paint. The polyurethane aliphatic crosslinking type resin one-component paint, compared with linear polyurethane coating, is better than other series of coatings on aspects of paint film hardness, boiling water resistance, solvent resistance, light and color retention, resistance to firing of cigarette butts, infusion resistance and the like. Moreover, the solid component is high, the construction procedures are reduced, the transparent polyurethane paint can be rapidly dried at normal temperature, and a paint film is flat and full.
Description
Technical field
The present invention relates to a kind of paint, be specifically related to a kind of clear lacquer of urethane.
Background technology
Wood lacquer is to take the special coating that water is dispersion medium, it is not containing objectionable impuritiess such as benzene, dimethylbenzene, free TDIs, a kind of ecological environment-friendly type coating truly, have environment-protecting asepsis, odorlessness, volatile matter few, do not fire that not quick-fried brushing area is large, brushed the features such as use on the same day same day.
Aqueous woodware paint mainly contains water soluble acrylic acid and urethane two individual system on market.Water soluble acrylic acid is because its cost is low and environmental protection becomes the main products on market, but due to its paint film wear resistance and anti-chemical poor, hardness is not high, fullness ratio is bad, cannot reach people to high-quality requirement.
Summary of the invention
In order to solve the deficiency in above-mentioned currently available products, overcome wear resistance and anti-chemical is poor, hardness is not high, and the problem that fullness ratio is bad the invention provides a kind of polyurethane transparent paint, has effectively solved the problems referred to above.
The present invention is achieved through the following technical solutions:
A polyurethane transparent paint, is characterized in that being comprised of by weight following component:
Resin 60-70 part
Deionized water 8-13 part
Pigment, filler 15-20 part
Wax emulsion 5-8 part
Auxiliary agent 3-8 part
Described resin is urethane aliphatics crosslinked resin.
Described auxiliary agent comprises: film coalescence aid, froth breaking suds suppressor, flow agent, thickening material, sanitas, essence, pH adjusting agent, auxiliary rheological agents.
Urethane aliphatics crosslinked resin has very high tensile strength and shock strength, excellent wear resistance and sticking power and weathering resistance.The present invention adopts urethane aliphatics crosslinked resin single-component paint, compare with linear polyester coating, the hardness of filming, the aspects such as resistance to boiling water, solvent resistance, guarantor's light tint retention, resistance to cigarette end calcination and resistance to electuary are better than other serial coating, and solids component is high, reduced operational procedure, dry rapidly under normal temperature, smooth coating is plentiful.Owing to having high adhesive force and wear resistance, and light is plentiful, also can be used as floorboards of wood paint.
embodiment
Below in conjunction with embodiment, the present invention is further elaborated.
Embodiment 1
60 parts of urethane aliphatics crosslinked resins
8 parts of deionized waters
15 parts of pigment, fillers
5 parts of wax emulsions
0.2 part of froth breaking suds suppressor
0.1 part of sanitas
0.1 part of pH adjusting agent
0.5 part of film coalescence aid
0.5 part of auxiliary rheological agents
0.6 part of flow agent
1 part of thickening material
Take urethane aliphatics crosslinked resin, under 800rpm agitation condition, add film coalescence aid, froth breaking suds suppressor, sanitas, essence, pH adjusting agent, stir 30min, then add wax emulsion, pigment, filler, 2000rpm stirs 30min, be less than 30 μ m to granularity, then add auxiliary rheological agents, flow agent and deionized water, continue to disperse 10min, rotating speed is reduced to 600rpm, add thickening material to adjust viscosity, and froth breaking, obtain.
Embodiment 2
70 parts of urethane aliphatics crosslinked resins
13 parts of deionized waters
20 parts of pigment, fillers
8 parts of wax emulsions
1 part of froth breaking suds suppressor
1 part of sanitas
1 part of pH adjusting agent
2 parts of film coalescence aid
0.5 part of auxiliary rheological agents
0.5 part of flow agent
2 parts of thickening materials
Preparation method is with embodiment 1
Polyurethane transparent paint prepared by the present invention detects, and leading indicator is:
Stability (50 ℃, 7 days): normal
Solid content: 34%
Viscosity is coated with 4 glasss: 32 seconds
Surface drying time: 14min
Pencil hard defects (scratch): H
Sticking power (specification spacing 2mm)/level: 1 grade
Appearance of film: normal
Water tolerance: without abnormal
Yellowing resistance (168 hours)
Δ E:2
conclusion: shouldpolyurethane transparent paint property indices is good.
Claims (3)
1. a polyurethane transparent paint, is characterized in that being comprised of by weight following component:
Resin 60-70 part
Deionized water 8-13 part
Pigment, filler 15-20 part
Wax emulsion 5-8 part
Auxiliary agent 3-8 part
Described resin is urethane aliphatics crosslinked resin;
Described auxiliary agent comprises: film coalescence aid, froth breaking suds suppressor, flow agent, thickening material, sanitas, essence, pH adjusting agent, auxiliary rheological agents.
2. a kind of polyurethane transparent paint according to claim 1, is characterized in that being comprised of by weight following component:
66 parts of resins
11 parts of deionized waters
17 parts of pigment, fillers
6 parts of wax emulsions
6 parts of auxiliary agents
Described resin is urethane aliphatics crosslinked resin;
Described auxiliary agent comprises: film coalescence aid, froth breaking suds suppressor, flow agent, thickening material, sanitas, essence, pH adjusting agent, auxiliary rheological agents.
3. a kind of polyurethane transparent paint according to claim 1 and 2, is characterized in that making by the following method:
Take urethane aliphatics crosslinked resin, under 800rpm agitation condition, add film coalescence aid, froth breaking suds suppressor, sanitas, essence, pH adjusting agent, stir 30min, then add wax emulsion, pigment, filler, 2000rpm stirs 30min, be less than 30 μ m to granularity, then add auxiliary rheological agents, flow agent and deionized water, continue to disperse 10min, rotating speed is reduced to 600rpm, add thickening material to adjust viscosity, and froth breaking, obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310724434.1A CN103740254A (en) | 2013-12-25 | 2013-12-25 | Transparent polyurethane primer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310724434.1A CN103740254A (en) | 2013-12-25 | 2013-12-25 | Transparent polyurethane primer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103740254A true CN103740254A (en) | 2014-04-23 |
Family
ID=50497325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310724434.1A Pending CN103740254A (en) | 2013-12-25 | 2013-12-25 | Transparent polyurethane primer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103740254A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385332A (en) * | 2015-12-25 | 2016-03-09 | 北京展辰新材料有限公司 | Water-based transparent primer and preparation method thereof |
| CN105462470A (en) * | 2015-12-15 | 2016-04-06 | 三棵树涂料股份有限公司 | High-fullness and high-performance one-component waterborne polyurethane top-coat varnish |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4782109A (en) * | 1986-06-26 | 1988-11-01 | Lindsay Finishes, Incorporated | Latex paint formulations and methods |
| CN102250537A (en) * | 2011-05-30 | 2011-11-23 | 亚士漆(上海)有限公司 | Waterborne wood paint |
| CN102732134A (en) * | 2012-07-11 | 2012-10-17 | 扬州大学 | Acrylate-grafted epoxy-polyurethane water-based woodwork coating |
-
2013
- 2013-12-25 CN CN201310724434.1A patent/CN103740254A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4782109A (en) * | 1986-06-26 | 1988-11-01 | Lindsay Finishes, Incorporated | Latex paint formulations and methods |
| CN102250537A (en) * | 2011-05-30 | 2011-11-23 | 亚士漆(上海)有限公司 | Waterborne wood paint |
| CN102732134A (en) * | 2012-07-11 | 2012-10-17 | 扬州大学 | Acrylate-grafted epoxy-polyurethane water-based woodwork coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105462470A (en) * | 2015-12-15 | 2016-04-06 | 三棵树涂料股份有限公司 | High-fullness and high-performance one-component waterborne polyurethane top-coat varnish |
| CN105385332A (en) * | 2015-12-25 | 2016-03-09 | 北京展辰新材料有限公司 | Water-based transparent primer and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140423 |