CN103773151A - High temperature resistance acid-proof alkali-proof coating - Google Patents
High temperature resistance acid-proof alkali-proof coating Download PDFInfo
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- CN103773151A CN103773151A CN201410046118.8A CN201410046118A CN103773151A CN 103773151 A CN103773151 A CN 103773151A CN 201410046118 A CN201410046118 A CN 201410046118A CN 103773151 A CN103773151 A CN 103773151A
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Abstract
The invention relates to the field of coating, and particularly relates to high temperature resistance acid-proof alkali-proof coating. The high temperature resistance acid-proof alkali-proof coating is obtained by uniformly mixing a mixture of nanometer silicon oxide, organic silicon modified sodium polyacrylate, a forming substance, a forming additive, an accelerant, a solvent, filler and acid, wherein the content of the nanometer silicon oxide is 50-100g/l, the content of the organic silicon modified sodium polyacrylate is 50-100g/l, the content of the forming substance is 80-100g/l, the content of the forming additive is 20-40g/l, the content of the accelerant is 10-20g/l, the content of the solvent is 30-80g/l, the content of the filler is 10-30g/l, the content of the acid is 25-40g/l, and the average particle diameter of the nanometer silicon oxide is less than 50 nanometers; and the pH value of the high temperature resistance acid-proof alkali-proof coating is in the range of 3 to13. The high temperature resistance acid-proof alkali-proof coating has good adhesion force, can be used at a high temperature, can resists acid, alkaline and corrosion, can resist cold in a cold working condition and meets the use conditions of beam hangers and drill stems, and the usage range pH value of the coating is in the range of 3 to 13.
Description
Technical field
The present invention relates to paint field, be specifically related to the coating that a kind of high temperature-resistant acid-resistant is alkaline-resisting.
Background technology
Paint is that one can firmly cover body surface, plays the chemical mixture coating of protection, decoration, mark and other special purposes.China's coating circle more authoritative " coating process " book is definition like this: " coating is a kind of material, and this material can be coated in article surface by different construction technologies, forms and adheres to firmly, has some strength, continuous solid film.The film common name film forming like this, claims again paint film or coating." belonging to organic chemical industry's macromolecular material, the film forming belongs to macromolecular compound type.According to the classification of current Chemicals of modern times, coating belongs to fine chemical product.Modern coating is progressively becoming the polyfunctional engineering materials of a class, is an important industry in chemical industry.For the coating of beam hanger drilling rod, also there is no in the market special coating, meet the applying working condition of beam hanger drilling rod, high temperature resistant, acid-fast alkali-proof also will meet cold operating mode.
Summary of the invention
In order to address the above problem, the present invention proposes the coating that a kind of high temperature-resistant acid-resistant is alkaline-resisting, can, at cold zone applying working condition, when use, can tolerate high temperature, simultaneously also can acid-fast alkali-proof.
In order to reach foregoing invention problem, the present invention proposes following technical scheme:
The coating that a kind of high temperature-resistant acid-resistant is alkaline-resisting, the coating that this kind of high temperature-resistant acid-resistant is alkaline-resisting is that the miscellany that contains nano-silicon oxide compound, organic-silicon-modified sodium polyacrylate, formative substance, shaping additive, promotor, solvent, filler and acid is mixed and obtained, described filmogen is one or more in methacrylic resin, epoxy resin, benzene emulsion, organosilicon crylic acid latex and urethane resin, and the weight-average molecular weight 9000-19000 that respectively does for oneself, described shaping additive is one or more in silane coupling agent, triethylamine and tetraethoxysilance, described organic-silicon-modified sodium polyacrylate, first, by the silane coupling agent and the acrylic compounds copolyreaction that contain two keys, obtains organic-silicon-modified polyacrylic acid, then obtains by adding alkali neutralization, described promotor is one or more in water glass, Sodium Fluoride, trisodium phosphate, tertiary sodium phosphate, acetone, ethylene glycol, ethanol and triethyl phosphate, described solvent is selected from water and organic solvent, organic solvent is sherwood oil, N, N-diformamide, the mixed solvent of one or more in vinyl acetic monomer, N-BUTYL ACETATE, pimelinketone, toluene, dimethylbenzene, methyl alcohol, ethanol, methyl-sulphoxide, pyridine, triethylamine, tetrahydrofuran (THF), dioxane, propylene glycol monomethyl ether, 1-Methoxy-2-propyl acetate, propylene glycol monomethyl ether acetate, dipropylene glycol methyl ether acetate, chloroform, methylene dichloride, tetracol phenixin, acetone, butanols, methylethylketone, pimelinketone and ether, described filler comprises pigment, flow agent, strengthening agent, fire retardant, antimildew disinfectant, membrane-forming agent oxidation inhibitor, siccative and wetting agent, the each material of filler by mass percentage, pigment 0.5～9.5%, flow agent 0.5～14.5%, strengthening agent 0.5～28.8%, fire retardant 0.5～9.8%, antimildew disinfectant 0.5～4.8%, oxidation inhibitor 0.5～9.5%, described acid is phosphoric acid and/or phytic acid, based on the total amount of described miscellany, the content of described nano-silicon oxide compound is 50-100 grams per liter, the content of described organic-silicon-modified sodium polyacrylate is 50-100 grams per liter, the content of described formative substance is 80-100 grams per liter, the content of described shaping additive is 20-40 grams per liter, the content of described promotor is 10-20 grams per liter, described solvent is 30-80 grams per liter, described filler is 10-30 grams per liter, the content of described acid is 25-40 grams per liter, the median size of described nano-silicon oxide compound is below 50 nanometers, and the pH value of the coating that described a kind of high temperature-resistant acid-resistant is alkaline-resisting is 3-13.
The described silane coupling agent that contains two keys is selected from one or more the mixture in vinyltrimethoxy silane, vinyltriethoxysilane, allyltrimethoxysilanis, allyltriethoxysilane, gamma-methyl allyl acyloxypropyl trimethoxysilane, gamma-methyl allyl acyloxypropyl triethoxyl silane or methacryloxypropyl three (isopropoxy) silane; Described acrylic compounds has the structure of following formula:
Wherein, R
1, R
2, R
3be H, CH independently
3, C
2h
5.
The alkaline-resisting coating of described a kind of high temperature-resistant acid-resistant prepares by the following method: first by formed substance: one or more mixing in methacrylic resin, epoxy resin, benzene emulsion, organosilicon crylic acid latex and urethane resin are stirred, rotating speed 1500-3000r/min stirs 5-20min; Then suitably reduce rotating speed, slowly add organic-silicon-modified sodium polyacrylate, nano-silicon oxide compound, stir 5-20min with 1500-3000r/min; Suitably reduce after rotating speed, add filler to comprise pigment, flow agent, strengthening agent, fire retardant, antimildew disinfectant, membrane-forming agent oxidation inhibitor, siccative and wetting agent, improve rotating speed to 1500-3000r/min, stir 5-20min.Suitably after reduction rotating speed, adding shaping additive is one or more in silane coupling agent, triethylamine and tetraethoxysilance, improves rotating speed to 1500-3000r/min, stirs 5-20min, after suitably reducing again rotating speed, add solvent to be selected from water and organic solvent, organic solvent is sherwood oil, N, N-diformamide, vinyl acetic monomer, N-BUTYL ACETATE, pimelinketone, toluene, dimethylbenzene, methyl alcohol, ethanol, methyl-sulphoxide, pyridine, triethylamine, tetrahydrofuran (THF), dioxane, propylene glycol monomethyl ether, 1-Methoxy-2-propyl acetate, propylene glycol monomethyl ether acetate, dipropylene glycol methyl ether acetate, chloroform, methylene dichloride, tetracol phenixin, acetone, butanols, methylethylketone, the mixed solvent of one or more in pimelinketone and ether, improve rotating speed to 1500-3000r/min, stir 5-20min.After disperseing completely, on shredder, grind, note as requested the temperature 40-50 ℃ of the following and material outlet of the fineness 45 μ m of discharging.
Advantage of the present invention is that sticking power is good, can high temperature resistantly use, and simultaneously acid-alkali-corrosive-resisting can be resisted also coldly under cold operating mode, meets the applying working condition of beam hanger drilling rod, and ph is between 3-13 for coating use range.
Embodiment
The present invention is further illustrated by following unrestriced embodiment, but need to understand described embodiment only in order to the present invention, but not in order to limit the scope of the invention.
Embodiment 1
In 500 mL there-necked flasks, add 200 mL ethanol, 1 g vinyltrimethoxy silane, 20 g vinylformic acid, stir, while being warming up to 70 ℃, add 0.15 g Diisopropyl azodicarboxylate, reaction 5 h, in flask, add 12 gNaOH, continue to stir 3 h, obtain organic-silicon-modified polyacrylic resin.
Formulation for coating material is as shown in table 1.
Table 1
| Material | Mass percent/% |
| Nano-silicon oxide compound | 18 |
| Organic-silicon-modified sodium polyacrylate | 18 |
| Formative substance | 29 |
| Shaping additive | 7 |
| Promotor | 4 |
| Solvent | 11 |
| Filler | 4 |
| Acid | 9 |
Coating alkaline-resisting prepared a kind of high temperature-resistant acid-resistant is adopted the constructional method of the routines such as brushing, obliterating, manual roller construction, air gun or airless spray gun spraying, electrostatic spraying, thermospray, roller coat or dip-coating be coated on beam hanger drilling rod, its performance is as shown in table 2.
Table 2
| Project | Requirement | Result |
| Low-temperature stability | 1 month | Never degenerate |
| Time of drying | Be less than or equal to 2 hours | Complete drying |
| Contamination resistance % | Be less than or equal to 10 | Up to standard |
| High temperature resistant | 200 ℃ continue 12 hours | Unchanged |
| Acidproof | 10%H 2SO 4 | Unchanged |
| Alkaline-resisting | 10%NaOH | Unchanged |
| Cold resistant | Under rime condition, keep 12 h | Unchanged |
Embodiment 2
In 500 mL there-necked flasks, add 200 mL ethanol, 0.5 g allyltrimethoxysilanis, 25 g methacrylic acids, stir, while being warming up to 70 ℃, add 0.15 g 2,2'-Azobis(2,4-dimethylvaleronitrile), react 8 h, in flask, add 10 gNaOH, continue to stir 2 h, obtain organosilicon-modified acrylic sodium resin.
Formulation for coating material is as shown in table 3.
Table 3
| Material | Mass percent/% |
| Nano-silicon oxide compound | 19 |
| Organic-silicon-modified sodium polyacrylate | 19 |
| Formative substance | 25 |
| Shaping additive | 7.5 |
| Promotor | 4 |
| Solvent | 13 |
| Filler | 5 |
| Acid | 7.5 |
Coating alkaline-resisting prepared a kind of high temperature-resistant acid-resistant is adopted the constructional method of the routines such as brushing, obliterating, manual roller construction, air gun or airless spray gun spraying, electrostatic spraying, thermospray, roller coat or dip-coating be coated on beam hanger drilling rod, its performance is as shown in table 4.
Table 4
| Project | Requirement | Result |
| Low-temperature stability | 1 month | Never degenerate |
| Time of drying | Be less than or equal to 2 hours | Complete drying |
| Contamination resistance % | Be less than or equal to 10 | Up to standard |
| High temperature resistant | 200 ℃ continue 12 hours | Unchanged |
| Acidproof | 10%H 2SO 4 | Unchanged |
| Alkaline-resisting | 10%NaOH | Unchanged |
| Cold resistant | Under rime condition, keep 12 h | Unchanged |
Embodiment 3
In 500 mL there-necked flasks, add 200 mL propylene glycol monomethyl ethers, 1.5 g
γthe mixture of-methyl allyl acyloxypropyl trimethoxysilane and vinyltriethoxysilane, 30 g methacrylic acids, stir, while being warming up to 70 ℃, add 0.15 g benzoyl peroxide, reaction 5 h add 15g NaOH in flask, continue to stir 3 h, obtain organic-silicon-modified polyacrylic resin.
Formulation for coating material is as shown in table 5.
Table 5
| Material | Mass percent/% |
| Nano-silicon oxide compound | 20 |
| Organic-silicon-modified sodium polyacrylate | 20 |
| Formative substance | 20 |
| Shaping additive | 8 |
| Promotor | 4 |
| Solvent | 16 |
| Filler | 6 |
| Acid | 6 |
Coating alkaline-resisting prepared a kind of high temperature-resistant acid-resistant is adopted the constructional method of the routines such as brushing, obliterating, manual roller construction, air gun or airless spray gun spraying, electrostatic spraying, thermospray, roller coat or dip-coating be coated on beam hanger drilling rod, its performance is as shown in table 6.
Table 6
| Project | Requirement | Result |
| Low-temperature stability | 1 month | Never degenerate |
| Time of drying | Be less than or equal to 2 hours | Complete drying |
| Contamination resistance % | Be less than or equal to 10 | Up to standard |
| High temperature resistant | 200 ℃ continue 12 hours | Unchanged |
| Acidproof | 10%H 2SO 4 | Unchanged |
| Alkaline-resisting | 10%NaOH | Unchanged |
| Cold resistant | Under rime condition, keep 12 h | Unchanged |
Claims (3)
1. the coating that high temperature-resistant acid-resistant is alkaline-resisting, it is characterized in that, the coating that this kind of high temperature-resistant acid-resistant is alkaline-resisting is that the miscellany that contains nano-silicon oxide compound, organic-silicon-modified sodium polyacrylate, formative substance, shaping additive, promotor, solvent, filler and acid is mixed and obtained, described filmogen is one or more in methacrylic resin, epoxy resin, benzene emulsion, organosilicon crylic acid latex and urethane resin, and the weight-average molecular weight 9000-19000 that respectively does for oneself, described shaping additive is one or more in silane coupling agent, triethylamine and tetraethoxysilance, described organic-silicon-modified sodium polyacrylate, first, by the silane coupling agent and the acrylic compounds copolyreaction that contain two keys, obtains organic-silicon-modified polyacrylic acid, then obtains by adding alkali neutralization, described promotor is one or more in water glass, Sodium Fluoride, trisodium phosphate, tertiary sodium phosphate, acetone, ethylene glycol, ethanol and triethyl phosphate, described solvent is selected from water and organic solvent, organic solvent is sherwood oil, N, N-diformamide, the mixed solvent of one or more in vinyl acetic monomer, N-BUTYL ACETATE, pimelinketone, toluene, dimethylbenzene, methyl alcohol, ethanol, methyl-sulphoxide, pyridine, triethylamine, tetrahydrofuran (THF), dioxane, propylene glycol monomethyl ether, 1-Methoxy-2-propyl acetate, propylene glycol monomethyl ether acetate, dipropylene glycol methyl ether acetate, chloroform, methylene dichloride, tetracol phenixin, acetone, butanols, methylethylketone, pimelinketone and ether, described filler comprises pigment, flow agent, strengthening agent, fire retardant, antimildew disinfectant, membrane-forming agent oxidation inhibitor, siccative and wetting agent, the each material of filler by mass percentage, pigment 0.5～9.5%, flow agent 0.5～14.5%, strengthening agent 0.5～28.8%, fire retardant 0.5～9.8%, antimildew disinfectant 0.5～4.8%, oxidation inhibitor 0.5～9.5%, described acid is phosphoric acid and/or phytic acid, based on the total amount of described miscellany, the content of described nano-silicon oxide compound is 50-100 grams per liter, the content of described organic-silicon-modified sodium polyacrylate is 50-100 grams per liter, the content of described formative substance is 80-100 grams per liter, the content of described shaping additive is 20-40 grams per liter, the content of described promotor is 10-20 grams per liter, described solvent is 30-80 grams per liter, described filler is 10-30 grams per liter, the content of described acid is 25-40 grams per liter, the median size of described nano-silicon oxide compound is below 50 nanometers, and the pH value of the coating that described a kind of high temperature-resistant acid-resistant is alkaline-resisting is 3-13.
2. the alkaline-resisting coating of a kind of high temperature-resistant acid-resistant according to claim 1, is characterized in that: described in contain two keys silane coupling agent be selected from one or more the mixture in vinyltrimethoxy silane, vinyltriethoxysilane, allyltrimethoxysilanis, allyltriethoxysilane, gamma-methyl allyl acyloxypropyl trimethoxysilane, gamma-methyl allyl acyloxypropyl triethoxyl silane or methacryloxypropyl three (isopropoxy) silane; Described acrylic compounds has the structure of following formula:
Wherein, R
1, R
2, R
3be H, CH independently
3, C
2h
5.
3. the alkaline-resisting coating of a kind of high temperature-resistant acid-resistant according to claim 1, it is characterized in that, the alkaline-resisting coating of described a kind of high temperature-resistant acid-resistant prepares by the following method: first by formed substance: one or more mixing in methacrylic resin, epoxy resin, benzene emulsion, organosilicon crylic acid latex and urethane resin are stirred, rotating speed 1500-3000r/min stirs 5-20min; Then suitably reduce rotating speed, slowly add organic-silicon-modified sodium polyacrylate, nano-silicon oxide compound, stir 5-20min with 1500-3000r/min; Suitably reduce after rotating speed, add filler to comprise pigment, flow agent, strengthening agent, fire retardant, antimildew disinfectant, membrane-forming agent oxidation inhibitor, siccative and wetting agent, improve rotating speed to 1500-3000r/min, stir 5-20min,
Suitably after reduction rotating speed, adding shaping additive is one or more in silane coupling agent, triethylamine and tetraethoxysilance, improves rotating speed to 1500-3000r/min, stirs 5-20min, after suitably reducing again rotating speed, add solvent to be selected from water and organic solvent, organic solvent is sherwood oil, N, N-diformamide, vinyl acetic monomer, N-BUTYL ACETATE, pimelinketone, toluene, dimethylbenzene, methyl alcohol, ethanol, methyl-sulphoxide, pyridine, triethylamine, tetrahydrofuran (THF), dioxane, propylene glycol monomethyl ether, 1-Methoxy-2-propyl acetate, propylene glycol monomethyl ether acetate, dipropylene glycol methyl ether acetate, chloroform, methylene dichloride, tetracol phenixin, acetone, butanols, methylethylketone, the mixed solvent of one or more in pimelinketone and ether, improve rotating speed to 1500-3000r/min, stir 5-20min, after disperseing completely, on shredder, grind, note as requested the temperature 40-50 ℃ of the following and material outlet of the fineness 45 μ m of discharging.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104263042A (en) * | 2014-09-16 | 2015-01-07 | 安徽明都电气有限公司 | Antiseptic antioxidant deodorizing green paint and preparation method thereof |
| CN105176289A (en) * | 2015-09-17 | 2015-12-23 | 菏泽海诺知识产权服务有限公司 | Alkali-resisting decorative paint for internal wall |
| CN105925160A (en) * | 2014-11-05 | 2016-09-07 | 陈薇 | High-adhesion wear-resistant engineering machinery waterproof coating |
| CN106243955A (en) * | 2016-08-01 | 2016-12-21 | 安庆瑞泰化工有限公司 | A kind of ageing-resistant water paint and preparation method thereof |
| CN107641431A (en) * | 2017-11-04 | 2018-01-30 | 李景春 | A kind of special high temperature resistant high adsorption coating of die casting |
| CN107815217A (en) * | 2017-11-04 | 2018-03-20 | 李景春 | A kind of preparation method of the special high temperature resistant high adsorption coating of die casting |
| CN111363440A (en) * | 2020-03-13 | 2020-07-03 | 熊长生 | Organic silicon resin anticorrosive paint with good corrosion resistance and adhesion |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104263042A (en) * | 2014-09-16 | 2015-01-07 | 安徽明都电气有限公司 | Antiseptic antioxidant deodorizing green paint and preparation method thereof |
| CN105925160A (en) * | 2014-11-05 | 2016-09-07 | 陈薇 | High-adhesion wear-resistant engineering machinery waterproof coating |
| CN105925160B (en) * | 2014-11-05 | 2018-04-17 | 河北晨阳工贸集团有限公司 | A kind of high adhesion force wear-resistant engineering machinery water-repellent paint |
| CN105176289A (en) * | 2015-09-17 | 2015-12-23 | 菏泽海诺知识产权服务有限公司 | Alkali-resisting decorative paint for internal wall |
| CN106243955A (en) * | 2016-08-01 | 2016-12-21 | 安庆瑞泰化工有限公司 | A kind of ageing-resistant water paint and preparation method thereof |
| CN107641431A (en) * | 2017-11-04 | 2018-01-30 | 李景春 | A kind of special high temperature resistant high adsorption coating of die casting |
| CN107815217A (en) * | 2017-11-04 | 2018-03-20 | 李景春 | A kind of preparation method of the special high temperature resistant high adsorption coating of die casting |
| CN111363440A (en) * | 2020-03-13 | 2020-07-03 | 熊长生 | Organic silicon resin anticorrosive paint with good corrosion resistance and adhesion |
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Application publication date: 20140507 |