CN103173075A - Aqueous paint and preparation method thereof - Google Patents
Aqueous paint and preparation method thereof Download PDFInfo
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- CN103173075A CN103173075A CN2013100595440A CN201310059544A CN103173075A CN 103173075 A CN103173075 A CN 103173075A CN 2013100595440 A CN2013100595440 A CN 2013100595440A CN 201310059544 A CN201310059544 A CN 201310059544A CN 103173075 A CN103173075 A CN 103173075A
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Abstract
The invention discloses aqueous paint. The aqueous paint comprises the following materials in parts by weight: 80-90 parts of aqueous acrylic emulsion, 15-20 parts of light calcium carbonate, 8-10 parts of hydroxypropyl methyl cellulose, 2-3 parts of dibutyl phthalate, 2-4 parts of glycerol, 1-2 parts of glycol ether, 1-2 parts of sodium polyacrylate, 1-2 parts of buthyl polyacrylate, 2-3 parts of hydrotalcite, 0.2-0.4 part of dimethyl silicon oil, 1-3 parts of diphenylamine, 10-20 parts of deionized water, 0.8-1 part of N-(beta-aminoethyl)-gamma-aminopropyl trimethoxy silane and 10-15 parts of composite mosifying agent. The paint film produced by the preparation method disclosed by the invention is firm, good in glossiness, strong in impact resistance, unlikely to crack, soft in texture, strong in decoration, high in weather resistance, washing-resistant, strong in adhesive force, long in service life, free of special smell, free of heavy metals including mercury, lead and the like, free of formaldehyde volatile matter and capable of satisfying the technical requirements of environmentally-friendly paint. The conventional titanium dioxide is replaced by the added composite modifying agent, so that the surface gloss of the paint film is improved and the production cost is saved; moreover, the paint film has better washing resistance and weather resistance, and therefore, the quality of the paint film is strengthened.
Description
Technical field
The present invention relates generally to a kind of coating, relates in particular to a kind of water-borne coatings and preparation method thereof.
Background technology
In recent years; Water-borne modification, environmental protection, multifunction and high performance have become the trend of building external paint development; raising along with people's living standard; the functions such as the waterproof of exterior coating, mildew-resistant, insect protected are also understood by the common people gradually and are accepted; thereby the decorative effect to coating is had higher requirement, and exterior coating requires to have water repelling property, requires to have from washing property; it is hard and smooth, dirty once rushing that paint film is wanted.
At present, the exterior coating that China adopts is mainly take ACRYLIC EMULSION as base-material, and water soluble acrylic acid coating has that cost is moderate, weathering resistance is good, adjustable is good, and the advantages such as organic solvent-free release are the very fast class coating products of development in recent years.
But the acrylic coating of throwing on domestic market exists, and gloss is low, poor adhesive force, winter hardiness are poor, not water-fast, water vapour, soda acid, salts solution and organic polar solvent, poor flexibility under room temperature, the shortcoming such as wear no resistance, and high temperature easily returns sticking, fragile under low temperature splitting, cause coating easily to ftracture, peel off, rainwater etc. easily infiltrate metope, corrosion body of wall, and this not only affects the beautiful decoration of buildings, and will reduce the work-ing life of buildings.
Summary of the invention
The object of the invention is exactly in order to make up the defective of prior art, water-borne coatings that a kind of paint film is stable, glossiness is good, tolerance is strong and preparation method thereof to be provided.
The present invention is achieved by the following technical solutions:
A kind of water-borne coatings, it is comprised of the raw material of following weight parts:
Aqueous acrylic emulsion 80-90, light calcium carbonate 15-20, HPMC 8-10, dibutyl phthalate 2-3, glycerol 2-4, ethylene glycol ethyl ether 1-2, sodium polyacrylate 1-2, butyl polyacrylate 1-2, hydrotalcite 2-3, dimethyl silicone oil 0.2-0.4, pentanoic 1-3, deionized water 10-20, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 0.8-1, composite modifier 10-15;
Described composite modifier is comprised of the raw material of following weight parts:
28-35 degree Beaume water glass 30-45, cenosphere 60-80, titanium dioxide nanoparticle 15-20, sorbitan monooleate 1-2, tripoly phosphate sodium STPP 1-2, succinate sodium 2-ethylhexyl 1-2, Sodium dodecylbenzene sulfonate 2-4, dicumyl peroxide 2-3,3-glycidyl ether oxygen base propyl trimethoxy silicane 0.8-1, nano-attapulgite 0.6-1, hydrochloric acid, water are appropriate;
The preparation method of described composite modifier comprises the following steps:
(1) dropwise adding concentration in the 28-35 of above-mentioned weight part degree Beaume water glass is the hydrochloric acid soln of 8-10%, constantly measures the PH of mixed solution, when PH is 4.5-5, stops adding, standby;
(2) succinate sodium 2-ethylhexyl and the Sodium dodecylbenzene sulfonate mixing with above-mentioned weight part is dissolved in 15-20 times of water, must expect B;
(3) add suitable quantity of water in the cenosphere of above-mentioned weight part, slowly add the 28-35 degree Beaume water glass solution after above-mentioned acidifying under agitation condition, constantly drip during this time above-mentioned material B, the temperature of reaction of system is 75-85 ℃, 28-35 degree Beaume water glass solution after above-mentioned acidifying dropwises rear continuation and stirred 3-5 minute, and reaction finishes;
(4) will react mixed solution after finishing at 85-95 ℃ of lower ageing 2-3 hour;
(5) titanium dioxide nanoparticle with above-mentioned weight part is distributed in water, obtain containing the suspension of nano titanium oxide, mix with the batch mixing after above-mentioned ageing, add each raw material of residue, high speed 1500-2000 rev/min centrifugal mixer 20-30 minute, oven dry is ground into ultrafine powder, is described composite modifier.
A kind of preparation method of water-borne coatings comprises the following steps:
(1) deionized water with the aqueous acrylic emulsion of above-mentioned weight part, HPMC, 40-50% mixes, and joins to disperse under the speed of 900-1000 rev/min, to stir 10-15 minute in cylinder;
(2) add again light calcium carbonate, hydrotalcite, dibutyl phthalate, the butyl polyacrylate of remaining deionized water, above-mentioned weight part, under the speed of 700-800 rev/min, stirred 20-25 minute;
(3) add the dimethyl silicone oil of above-mentioned weight part, under the speed of 500-700 rev/min, stirred 5-10 minute;
(4) add each raw material of residue, under the speed of 400-600 rev/min, stirring is described water-borne coatings.
Advantage of the present invention is:
The coating paint film that the present invention produces is hard, glossiness good, anti-impact force is strong, be not easy cracking, texture is soft, ornamental strong, high weather resisteant, brushing resistance, strong adhesion arranged, long service life, without special odor, the heavy metal such as not mercurous, plumbous, formaldehydeless volatile matter, meet the technical requirements of environmental protection coating material, the composite modifier that adds has replaced traditional titanium dioxide, has not only improved the surface gloss of paint film, has saved production cost, also make paint film have better scrub resistance, weathering resistance, strengthened the quality of paint film.
Embodiment
Embodiment 1
A kind of water-borne coatings, it is comprised of the raw material of following weight parts (kilogram):
Aqueous acrylic emulsion 90, light calcium carbonate 20, HPMC 10, dibutyl phthalate 3, glycerol 4, ethylene glycol ethyl ether 2, sodium polyacrylate 2, butyl polyacrylate 2, hydrotalcite 3, dimethyl silicone oil 0.4, pentanoic 3, deionized water 20, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 0.8, composite modifier 5;
Described composite modifier is comprised of the raw material of following weight parts:
28-35 degree Beaume water glass 45, cenosphere 80, titanium dioxide nanoparticle 20, sorbitan monooleate 2, tripoly phosphate sodium STPP 2, succinate sodium 2-ethylhexyl 2, Sodium dodecylbenzene sulfonate 4, dicumyl peroxide 3,3-glycidyl ether oxygen base propyl trimethoxy silicane 0.8, nano-attapulgite 0.6, hydrochloric acid, water are appropriate;
The preparation method of described composite modifier comprises the following steps:
(1) dropwise adding concentration in the 28-35 of above-mentioned weight part degree Beaume water glass is 10% hydrochloric acid soln, constantly measures the PH of mixed solution, when PH is 4.5, stops adding, standby;
(2) succinate sodium 2-ethylhexyl and the Sodium dodecylbenzene sulfonate mixing with above-mentioned weight part is dissolved in 20 times of water, must expect B;
(3) add suitable quantity of water in the cenosphere of above-mentioned weight part, slowly add the 28-35 degree Beaume water glass solution after above-mentioned acidifying under agitation condition, constantly drip during this time above-mentioned material B, make the PH of system between 10, the temperature of reaction of system is 85 ℃, 28-35 degree Beaume water glass solution after above-mentioned acidifying dropwises rear continuation and stirred 5 minutes, and reaction finishes;
(4) will react mixed solution after finishing 95 ℃ of lower ageings 3 hours;
(5) titanium dioxide nanoparticle with above-mentioned weight part is distributed in water, obtains containing the suspension of nano titanium oxide, mixes with batch mixing after above-mentioned ageing, add each raw material of residue, 2000 rev/mins of centrifugal mixers of high speed 30 minutes, oven dry, be ground into ultrafine powder, be described composite modifier.
A kind of preparation method of water-borne coatings comprises the following steps:
(1) aqueous acrylic emulsion of above-mentioned weight part, HPMC, 50% deionized water are mixed, join and disperse under the speed of 1000 rev/mins, to stir 15 minutes in cylinder;
(2) add again light calcium carbonate, hydrotalcite, dibutyl phthalate, the butyl polyacrylate of remaining deionized water, above-mentioned weight part, under the speed of 800 rev/mins, stirred 25 minutes;
(3) add the dimethyl silicone oil of above-mentioned weight part, under the speed of 700 rev/mins, stirred 10 minutes;
(4) add each raw material of residue, under the speed of 600 rev/mins, stirring is described water-borne coatings.
Performance test:
Paint film appearance is full, smooth, good without lump, glossiness;
Abrasion resistance test: pass through for 10000 times, paint film is without breakage;
The artificial ageing resistance test: 2000 hours non-foaming, do not peel off, flawless;
0 grade of chalk rating, 1 grade of variable color grade;
Acid resistance: be that the paraffin of 1:1 and the mixture of rosin seal brassboard edge and the back side with mass ratio, it is 2% sulfurous acid solution that 2/3 of brassboard area is immersed concentration, the temperature of sulfurous acid solution remains on 20-25 ℃, regulated the PH of a sulfurous acid solution in every 6 hours, pH value is 1-1.5, through 60 hours, the surperficial paint film of brassboard was as good as often.
Claims (2)
1. water-borne coatings is characterized in that what it was comprised of the raw material of following weight parts:
Aqueous acrylic emulsion 80-90, light calcium carbonate 15-20, HPMC 8-10, dibutyl phthalate 2-3, glycerol 2-4, ethylene glycol ethyl ether 1-2, sodium polyacrylate 1-2, butyl polyacrylate 1-2, hydrotalcite 2-3, dimethyl silicone oil 0.2-0.4, pentanoic 1-3, deionized water 10-20, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 0.8-1, composite modifier 10-15;
Described composite modifier is comprised of the raw material of following weight parts:
28-35 degree Beaume water glass 30-45, cenosphere 60-80, titanium dioxide nanoparticle 15-20, sorbitan monooleate 1-2, tripoly phosphate sodium STPP 1-2, succinate sodium 2-ethylhexyl 1-2, Sodium dodecylbenzene sulfonate 2-4, dicumyl peroxide 2-3,3-glycidyl ether oxygen base propyl trimethoxy silicane 0.8-1, nano-attapulgite 0.6-1, hydrochloric acid, water are appropriate;
The preparation method of described composite modifier comprises the following steps:
(1) dropwise adding concentration in the 28-35 of above-mentioned weight part degree Beaume water glass is the hydrochloric acid soln of 8-10%, constantly measures the PH of mixed solution, when PH is 4.5-5, stops adding, standby;
(2) succinate sodium 2-ethylhexyl and the Sodium dodecylbenzene sulfonate mixing with above-mentioned weight part is dissolved in 15-20 times of water, must expect B;
(3) add suitable quantity of water in the cenosphere of above-mentioned weight part, slowly add the 28-35 degree Beaume water glass solution after above-mentioned acidifying under agitation condition, constantly drip during this time above-mentioned material B, the temperature of reaction of system is 75-85 ℃, 28-35 degree Beaume water glass solution after above-mentioned acidifying dropwises rear continuation and stirred 3-5 minute, and reaction finishes;
(4) will react mixed solution after finishing at 85-95 ℃ of lower ageing 2-3 hour;
(5) titanium dioxide nanoparticle with above-mentioned weight part is distributed in water, obtain containing the suspension of nano titanium oxide, mix with the batch mixing after above-mentioned ageing, add each raw material of residue, high speed 1500-2000 rev/min centrifugal mixer 20-30 minute, oven dry is ground into ultrafine powder, is described composite modifier.
2. the preparation method of a water-borne coatings as claimed in claim 1 is characterized in that comprising the following steps:
(1) deionized water with the aqueous acrylic emulsion of above-mentioned weight part, HPMC, 40-50% mixes, and joins to disperse under the speed of 900-1000 rev/min, to stir 10-15 minute in cylinder;
(2) add again light calcium carbonate, hydrotalcite, dibutyl phthalate, the butyl polyacrylate of remaining deionized water, above-mentioned weight part, under the speed of 700-800 rev/min, stirred 20-25 minute;
(3) add the dimethyl silicone oil of above-mentioned weight part, under the speed of 500-700 rev/min, stirred 5-10 minute;
(4) add each raw material of residue, under the speed of 400-600 rev/min, stirring is described water-borne coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100595440A CN103173075A (en) | 2013-02-26 | 2013-02-26 | Aqueous paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100595440A CN103173075A (en) | 2013-02-26 | 2013-02-26 | Aqueous paint and preparation method thereof |
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| CN103173075A true CN103173075A (en) | 2013-06-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103614023A (en) * | 2013-10-28 | 2014-03-05 | 蚌埠市时代电子有限公司 | Waterproof coating for building |
| CN103980779A (en) * | 2013-08-18 | 2014-08-13 | 全椒县泰峰新材料销售有限公司 | Multifunctional environmental protection exterior wall coating |
| CN103980774A (en) * | 2013-08-18 | 2014-08-13 | 全椒县泰峰新材料销售有限公司 | Exterior wall paint |
| WO2021061049A1 (en) * | 2019-09-23 | 2021-04-01 | Agency For Science, Technology And Research | A coating suspension |
Citations (5)
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| CN101121844A (en) * | 2006-08-07 | 2008-02-13 | 江门市乔本化学工业有限公司 | Anion zinc air purification wall finish |
| CN101294043A (en) * | 2007-04-27 | 2008-10-29 | 上海封霖涂料科技有限公司 | Heat-insulation thermal-insulation water-based paint system |
| CN102220058A (en) * | 2011-05-31 | 2011-10-19 | 立邦涂料（中国）有限公司 | Bi-component aqueous epoxy latex paint capable of substituting for ceramic tile |
| CN102311690A (en) * | 2011-08-02 | 2012-01-11 | 湖南湘江涂料集团有限公司 | Waterborne exterior elastic reflective heat insulation coating and production method thereof |
| CN102337061A (en) * | 2010-07-22 | 2012-02-01 | 上海天地涂料有限公司 | Aqueous damping paint and preparation method thereof |
-
2013
- 2013-02-26 CN CN2013100595440A patent/CN103173075A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101121844A (en) * | 2006-08-07 | 2008-02-13 | 江门市乔本化学工业有限公司 | Anion zinc air purification wall finish |
| CN101294043A (en) * | 2007-04-27 | 2008-10-29 | 上海封霖涂料科技有限公司 | Heat-insulation thermal-insulation water-based paint system |
| CN102337061A (en) * | 2010-07-22 | 2012-02-01 | 上海天地涂料有限公司 | Aqueous damping paint and preparation method thereof |
| CN102220058A (en) * | 2011-05-31 | 2011-10-19 | 立邦涂料（中国）有限公司 | Bi-component aqueous epoxy latex paint capable of substituting for ceramic tile |
| CN102311690A (en) * | 2011-08-02 | 2012-01-11 | 湖南湘江涂料集团有限公司 | Waterborne exterior elastic reflective heat insulation coating and production method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980779A (en) * | 2013-08-18 | 2014-08-13 | 全椒县泰峰新材料销售有限公司 | Multifunctional environmental protection exterior wall coating |
| CN103980774A (en) * | 2013-08-18 | 2014-08-13 | 全椒县泰峰新材料销售有限公司 | Exterior wall paint |
| CN103614023A (en) * | 2013-10-28 | 2014-03-05 | 蚌埠市时代电子有限公司 | Waterproof coating for building |
| CN103614023B (en) * | 2013-10-28 | 2016-06-15 | 蚌埠市时代电子有限公司 | A kind of building water-proof paint |
| WO2021061049A1 (en) * | 2019-09-23 | 2021-04-01 | Agency For Science, Technology And Research | A coating suspension |
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Application publication date: 20130626 |
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