CN102108251A - Double-component benzene-free polyurethane paint and preparation process thereof - Google Patents
Double-component benzene-free polyurethane paint and preparation process thereof Download PDFInfo
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- CN102108251A CN102108251A CN2011100351485A CN201110035148A CN102108251A CN 102108251 A CN102108251 A CN 102108251A CN 2011100351485 A CN2011100351485 A CN 2011100351485A CN 201110035148 A CN201110035148 A CN 201110035148A CN 102108251 A CN102108251 A CN 102108251A
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Abstract
The invention provides a double-component benzene-free polyurethane paint and a preparation process thereof. The double-component benzene-free polyurethane paint comprises benzene-free resin, pigment, bentonite, a benzene-free flatting agent, a benzene-free dispersing agent, a benzene-free defoaming agent and an environment-friendly solvent in a proportion. The preparation process comprises the following steps: (1) mixing and grinding a half of the formula amount of benzene-free resin, the pigment, the bentonite, the benzene-free dispersing agent and a half of formula amount of the environment-friendly solvent to prepare color paste; (2) adding the rest benzene-free resin, the benzene-free defoaming agent, the benzene-free flatting agent and the rest environment-friendly solvent in the formula and evenly mixing, filtering and packaging; and (3) detecting the performance of a product. the invention has the beneficial effects that various performances of the product are stable, the use performance and construction property of the product are not obviously influenced; and the paint is environment-friendly and has no toxicity, little irritate smell and zero radioactivity, thus the paint has the characteristics of low toxicity and is environment-friendly. The contents of benzene and benzene series in the double-component benzene-free polyurethane paint synthesized by the method are not more than 0.5% in finished product detection.
Description
Technical field
The present invention relates to polyurethane coating and preparation technology thereof, particularly a kind of pair of component do not have benzene polyurethane coating and preparation technology thereof.
Background technology
Polyurethane coating is a present more common class coating, has favorable mechanical performance, higher solid content, various aspects of performance excellence.Double-component polyurethane coating film because of it have good wear resistance, characteristics such as erosion resistance, chemical-resistant, hardness are big, snappiness, and component regulates flexible characteristics, is a rising class coating variety at present.Conventional urethane coating contains benzene or benzene series thing more, can produce the chronic pollution murder by poisoning to people and environment.Because country uses the restriction of methylcarbonate, benzene and benzene series thing, need satisfy the demand of market with low toxicity and the coating that does not have benzene to no benzene coating.
Summary of the invention
The technical problem to be solved in the present invention is: solve in the conventional solvent type coating and do the pollution to human body and environment that solvent produces with benzene and benzene series thing, the invention provides a kind of pair of component does not have benzene polyurethane coating and preparation technology thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of pair of component do not have the benzene polyurethane coating, by no benzene resin, pigment, wilkinite, flow agent, dispersion agent, defoamer, environmentally friendly solvent system proportioning are formed, and the mass percent of each component is no benzene resin 50～70%, pigment 10～15%, wilkinite 0.8～1.0%, flow agent 0.2～0.3%, dispersion agent 1.0～10%, defoamer 0.2～0.3%, environmentally friendly solvent system 25～35%.
Described environmentally friendly solvent system is made up of nylon acid methyl esters, ethyl acetate, butylacetate 35～55%, and the mass percent of each component is nylon acid methyl esters 5～10%, ethyl acetate 35～55%, butylacetate 35～55%.
Described no benzene resin is the benzene-free acrylic urethane resin.
Described flow agent is no benzene flow agent.
Described dispersion agent is no benzene dispersion agent.
Described defoamer is no benzene defoamer.
Two components do not have the preparation technology of benzene polyurethane coating, comprise the steps:
(1) formula ratio half no benzene resin and half environmentally friendly solvent of pigment, wilkinite, dispersion agent, formula ratio after stirring by 1000 rev/mins on the high speed dispersor, on sand mill, grind, detect fineness with Hegman grind gage and reach below the 20um, promptly be prepared into mill base;
(2) residual content does not have benzene resin, flow agent, defoamer, prescription residual content environmentally friendly solvent system in the adding prescription, stirs by 1000 rev/mins with high speed dispersor, and 200 mesh filter screens filter and package;
(3) product performance detect.
The invention has the beneficial effects as follows: two-pack of the present invention does not have benzene polyurethane coating solution conventional solvent type polyurethane coating and uses benzene and benzene series thing to do the pollution to human body and environment that solvent produces.(1) under identical working condition and design requirements, produce multiple batches of no benzene coating and carry out performance test, parallel control, each is organized data and has fabulous circulation ratio, simultaneously under 50 ℃/30d condition, no benzene coating is carried out storage stability test, the result shows the every stable performance of product, and the use properties and the application property of coating do not had obvious influence.Benzene polyurethane coating physicochemical property is close with having.(2) environmental friendliness is accomplished nontoxic, few irritating smell, "dead", has the low toxic and environment-friendly feature.With the inventive method synthetic double-component polyurethane coating, benzene and benzene series thing content≤0.5% in the inspection after construction.
Embodiment
Embodiment 1:
A kind of pair of component do not have the benzene polyurethane coating and comprises benzene-free acrylic urethane resin (Kunshan 3460); 57g, pigment (titanium dioxide) 10.5g, wilkinite 0.8g, no benzene flow agent (dust husband Kona AFCONA 3033) 0.2g, no benzene dispersion agent (dust husband Kona AFCONA 4050) 1.0g, no benzene defoamer (dust husband Kona AFCONA 2048) 0.2g, environmentally friendly solvent (nylon acid methyl esters: ethyl acetate: 30g. butylacetate=5: 47.5: 47.5)
Of the present invention pair of component do not have the preparation technology of benzene polyurethane coating, comprises the steps:
(1) formula ratio half no benzene resin and pigment, wilkinite, no benzene dispersion agent, formula ratio half environmentally friendly solvent on the high speed dispersor 1000 rev/mins stir after, on sand mill, grind, detect fineness with Hegman grind gage and reach below the 20um, promptly be prepared into mill base.
(2) residual content does not have benzene resin, no benzene flow agent, no benzene defoamer, the environmentally friendly solvent of prescription residual content in the adding prescription, stirs for 1000 rev/mins with high speed dispersor, and 200 mesh filter screens filter and package.
(3) product performance detect: viscosity, paint film appearance, sticking power, tinting strength, hardness, snappiness, shock-resistance, gloss, water tolerance, alkali resistance, alcohol resistance, package stability, benzene and benzene series thing content etc.
Embodiment 2:
A kind of pair of component do not have the benzene polyurethane coating and comprises benzene-free acrylic urethane resin (Kunshan 3460) 57g, pigment (titanium dioxide) 10.5g, wilkinite 0.8g, no benzene flow agent (dust husband Kona AFCONA 3033) 0.2g, no benzene dispersion agent (dust husband Kona AFCONA 4050) 1.0g, no benzene defoamer (dust husband Kona AFCONA 2048) 0.2g, environmentally friendly solvent (nylon acid methyl esters: ethyl acetate: 30g butylacetate=10: 45: 45).Preparation technology is identical with embodiment 1.
Above-mentioned coating Performance Detection data are as shown in the table:
Type
Claims (7)
1. two components do not have the benzene polyurethane coating, it is characterized in that: by no benzene resin, pigment, wilkinite, flow agent, dispersion agent, defoamer, environmentally friendly solvent system proportioning are formed, and the mass percent of each component is no benzene resin 50～70%, pigment 10～15%, wilkinite 0.8～1.0%, flow agent 0.2～0.3%, dispersion agent 1.0～10%, defoamer 0.2～0.3%, environmentally friendly solvent system 25～35%.
2. a kind of pair of component according to claim 1 do not have the benzene polyurethane coating, it is characterized in that: described environmentally friendly solvent system is made up of nylon acid methyl esters, ethyl acetate, butylacetate 35～55%, the mass percent of each component is nylon acid methyl esters 5～10%, ethyl acetate 35～55%, butylacetate 35～55%.
3. a kind of pair of component according to claim 1 do not have the benzene polyurethane coating, it is characterized in that: described no benzene resin is the benzene-free acrylic urethane resin.
4. a kind of pair of component according to claim 1 do not have the benzene polyurethane coating, it is characterized in that: described flow agent is no benzene flow agent.
5. a kind of pair of component according to claim 1 do not have the benzene polyurethane coating, it is characterized in that: described dispersion agent is no benzene dispersion agent.
6. a kind of pair of component according to claim 1 do not have the benzene polyurethane coating, it is characterized in that: described defoamer is no benzene defoamer.
7. do not have the preparation technology of benzene polyurethane coating according to any described pair of component of claim 1-7, it is characterized in that, comprise the steps:
(1) formula ratio half no benzene resin and half environmentally friendly solvent of pigment, wilkinite, dispersion agent, formula ratio after stirring on the high speed dispersor, on sand mill, grind, detect fineness with Hegman grind gage and reach below the 20 μ m, promptly be prepared into mill base;
(2) residual content does not have benzene resin, flow agent, defoamer, prescription residual content environmentally friendly solvent system in the adding prescription, stirs with high speed dispersor, and 200 mesh filter screens filter and package;
(3) product performance detect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100351485A CN102108251A (en) | 2011-02-12 | 2011-02-12 | Double-component benzene-free polyurethane paint and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100351485A CN102108251A (en) | 2011-02-12 | 2011-02-12 | Double-component benzene-free polyurethane paint and preparation process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102108251A true CN102108251A (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100351485A Pending CN102108251A (en) | 2011-02-12 | 2011-02-12 | Double-component benzene-free polyurethane paint and preparation process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860818A (en) * | 2016-04-29 | 2016-08-17 | *** | Antioxidant aqueous polyurethane paint and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1970652A (en) * | 2005-11-23 | 2007-05-30 | 黄永平 | Environment-friendly health type paint thinner |
| CN101445694A (en) * | 2008-12-24 | 2009-06-03 | 福州德贤化工有限公司 | Environment-friendly aqueous carpentry paint |
| CN101747692A (en) * | 2008-12-22 | 2010-06-23 | 怀懋企业有限公司 | Components of waterborne paint |
| CN101787242A (en) * | 2010-01-19 | 2010-07-28 | 华南师范大学 | Wear-resistant waterborne two-component polyurethane coating and preparation method thereof |
-
2011
- 2011-02-12 CN CN2011100351485A patent/CN102108251A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1970652A (en) * | 2005-11-23 | 2007-05-30 | 黄永平 | Environment-friendly health type paint thinner |
| CN101747692A (en) * | 2008-12-22 | 2010-06-23 | 怀懋企业有限公司 | Components of waterborne paint |
| CN101445694A (en) * | 2008-12-24 | 2009-06-03 | 福州德贤化工有限公司 | Environment-friendly aqueous carpentry paint |
| CN101787242A (en) * | 2010-01-19 | 2010-07-28 | 华南师范大学 | Wear-resistant waterborne two-component polyurethane coating and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860818A (en) * | 2016-04-29 | 2016-08-17 | *** | Antioxidant aqueous polyurethane paint and preparation method thereof |
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Application publication date: 20110629 |