CN103146240A - Dry powder latex paint and preparation method - Google Patents
Dry powder latex paint and preparation method Download PDFInfo
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- CN103146240A CN103146240A CN2013100994830A CN201310099483A CN103146240A CN 103146240 A CN103146240 A CN 103146240A CN 2013100994830 A CN2013100994830 A CN 2013100994830A CN 201310099483 A CN201310099483 A CN 201310099483A CN 103146240 A CN103146240 A CN 103146240A
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Abstract
The invention discloses a dry powder latex paint and a preparation method. The dry powder latex paint is characterized by consisting of the following raw materials in parts by weight: 55-70 parts of inorganic powder, 15-25 parts of redispersible latex powder, 10-20 parts of whitening agent, 5-10 parts of active agent, 0.5-1 part of thickener, 0.5-1 part of dispersant, 0.3-0.5 part of antifoaming agent and 0.2-0.5 part of leveling agent. According to the invention, the dry powder latex powder and the inorganic color filler are subjected to interface stripping and coating in a vortex airflow micro-machine to obtain a dry powder latex paint. The dry powder latex paint has good coating effect, delicate coating and excellent film formation, prevents powder removal, is convenient to use, and does not contain VOC (volatile organic compounds), thereby being really an environment-friendly and efficient latex paint.
Description
Technical field
The present invention relates to the emulsion paint field, be specifically related to a kind ofly can dissolve fast dry powder emulsion paint and the preparation method who forms emulsion form in water.
Background technology
The Architectural Paint in China product is towards future developments such as Water-borne modification, high solids content, low VOC.Emulsion paint is as important water-borne coatings kind, because easy to use, the characteristics such as toning, water-tolerant that are easy to are occupied absolute share on Coating Market.But because it is dispersion system, solid content is mostly at 30-40%, all the other are moisture and volatile substances, cause larger waste for packing, storage, transportation and use, especially in order to make liquid emulsion paint reach storage-stable, not go mouldy, need to add the auxiliary agents such as frostproofer, lubricant, sanitas, such as ethylene glycol, ammoniacal liquor, formaldehyde etc., become the main source of its VOC, caused environmental pollution.In order to solve the VOC volatilization problem of present emulsion paint, dry powder emulsion paint has appearred in recent years, and dry powder emulsion paint does not need to add sanitas etc., has produce and VOC easy to use, zero, be convenient to the advantage such as packed and transported, becomes real environment friendly emulsion paint.
China Patent Publication No. CN 1576323A discloses a kind of powdery emulsion paint preparation method, and the method stirs calcite in powder, grey calcium powder, talcum powder, titanium dioxide, multi-functional rubber powder, methylcellulose gum, polyvinyl alcohol and Virgin's milk rubber powder and obtains product by the absorption type stirrer.
China Patent Publication No. CN102417746A discloses a kind of powdery emulsion paint and production method, and the method is placed in titanium dioxide, talcum powder, coarse whiting, latex powder, calcined kaolin, silica powder and mica powder and obtains product through simple screen again after stirred pot mixes.
Emulsion paint has good film-forming properties, abrasion resistance as coating, its membrane formation mechanism is that filming emulsion is under liquid state, face to be filled into row fully to grind coating, therefore latex particle coats the color stuffing particle fully, filming of obtaining becomes fine and close, and its film-forming properties, abrasion resistance, weathering resistance, anticreep mealiness can be improved greatly.And above-mentioned dry powder emulsion paint patent is that film forming rubber powder, color stuffing, auxiliary agent are got by directly being dry mixed, although can the on-the-spot water-soluble emulsion paint that obtains, but because rubber powder is single particulate material, be difficult to color stuffing is coated fully, therefore cause the rubber powder interface exposure in dry powder emulsion paint to reduce, can not give full play to it and coat bonding effect, smear the defectives such as rear appearance is coarse, shedding, affect the use properties of dry powder emulsion paint.
According to the above, although the dry powder emulsion paint VOC free volatilizees, easy to use, cost is low, but the rubber powder of its core can't equally disperse to coat fully to color stuffing with emulsion under the dry powder condition, therefore cause dry powder emulsion paint can not give full play to the interfacial adhesion of rubber powder, solve rubber powder abundant coating to color stuffing under the dry powder condition particularly important.
Summary of the invention
The present invention is directed in present dry powder emulsion paint rubber powder to color stuffing coat not exclusively, the defective such as shedding, coating are coarse, a kind of dry powder emulsion paint that can dissolve fast the formation homogeneous latex emulsion in water is provided.
Further aim of the present invention is to provide a kind of preparation method of dry powder emulsion paint, the method is by the mechanical force and chemical disperse modified, make its rubber powder coat color stuffing fully by phased separation rubber powder and color stuffing interface, the dry powder emulsion paint that obtains compared with similar products, the rubber powder interface increases, water-soluble speed is accelerated, color stuffing is coated fully, coating uniform and smooth and be difficult for shedding.
A kind of dry powder emulsion paint of the present invention, it is as follows that its raw material forms (weight part):
Inorganic powder 55-70 part,
Redispersable latex powder 15-25 part,
Whitening agent 10-20 part,
Promoting agent 5-10 part,
Thickening material 0.5-1 part,
Dispersion agent 0.5-1 part,
Defoamer 0.3-0.5 part,
Flow agent 0.2-0.5 part,
Wherein said inorganic powder is at least a in particle diameter 1250-2000 purpose light calcium carbonate, water-ground limestone, calcined kaolin, talcum powder, mica powder, asbestos powder; Described redispersable latex powder is at least a in vinyl acetate and ethylene copolymer rubber powder, ethene and vinylchlorid and vinyl laurate terpolymer rubber powder, vinyl acetate and higher fatty acid vinyl acetate copolymerization rubber powder, vinyl acetate copolymerized rubber powder, acrylate and styrene copolymerized rubber powder, vinyl acetate and acrylate and higher fatty acid vinyl acetate terpolymer rubber powder, stupid ethene and butadiene copolymer rubber powder; Described whitening agent is at least a in titanium dioxide, zinc oxide, barium sulfate; Said promoting agent is particle diameter 〉=6000 purpose micro-crystal powders; Described thickening material is at least a in Vltra tears, methylcellulose gum, carboxymethyl cellulose, carboxyethyl cellulose; Described dispersion agent is at least a in sodium polyacrylate, Zelan 338, Sodium hexametaphosphate 99, ammonium salt; Described defoamer is at least a in polyether antifoam agent, silicon oil foam killer, mineral oil; Described flow agent is at least a in urethane flow agent, silicone based flow agent.
Fine powder or quartzy powder that above-mentioned said micro-crystal powder is comprised of silicon-dioxide and aluminium sesquioxide.
Above-mentioned said promoting agent can strengthen the comprehensive mechanical performance of product coating, water proof anti-seepage, resistance to cracking.
The concrete preparation process of a kind of dry powder emulsion paint of the present invention is as follows:
1) 55-70 part inorganic powder, 15-25 part redispersable latex powder, 10-20 part whitening agent, 0.5-1 part dispersion agent, 5-10 part promoting agent are mixed under 150-200 rev/min of rotating speed by mixing machine make it even;
2) the step 1) mixing is rear by carrying out interface peel, coating in the fine machine of eddy airstream;
3) with step 2) products obtained therefrom adds 0.5-1 part thickening material, 0.3-0.5 part defoamer and 0.2-0.5 part flow agent to drop into mixing machine at 40-50 ℃ of lower ageing 10-20 minute, obtain take color stuffing as core, rubber powder is complete as shell coats a kind of can the water-soluble dry powder emulsion paint of speed.
in above-mentioned a kind of powdery emulsion paint and preparation method, wherein the fine machine of said eddy airstream is the fine machine of continous way, the body inner chamber is round shape, by an annular plate, it is divided into, lower two portions, the bottom is divided into inlet plenum, upper part is separated into crushiing chamber and grading room by flow splitter, crushiing chamber is comprised of grating disk and lining, be used for adding raw material smash into fine powder, grading room is comprised of classifying turbine, can be divided into the qualified fine powder of granularity and underproof meal to fine powder, qualified fine powder is outside discharge nozzle is sucked out machine, to be stored to hopper after product separation by tornado feeder set (cyclonic separator), underproof meal falls back to crushiing chamber along the flow splitter inwall, continue to pulverize, until till reaching qualified product requirement.
In above-mentioned a kind of dry powder emulsion paint and preparation method, the fine machine of wherein said eddy airstream is peeled off rotating speed and is controlled 1000-1500 rev/min.
The characteristics that the present invention gives prominence to are:
1, good, the not shedding of covered effect and coating are fine and smooth.The present invention peels off interface, coating with dry powder latex powder and color stuffing in the fine machine of eddy airstream, form take color stuffing as core, rubber powder is the complete powder cladding of shell.
2, coating has good comprehensive mechanical performance, water impermeability and resistance to cracking.The present invention is by adding reactive powder, the two-dimensional sheet structure of the high aspect ratio of reactive powder uniqueness, and the coating after allowing the dry powder emulsion paint use has good comprehensive mechanical performance, water proof anti-seepage and resistance to cracking.
3, use and convenient transportation.The dry powder emulsion paint that the present invention obtains is Powdered, and convenient transportation can become emulsion paint with the quick exchange of water during use at the scene.
4. production cost is low and be widely used.Raw material of the present invention is cheaply easily bought, and production technique adopts totally-enclosed continuous cleaning type production, and the excellent product performance of production can be widely used in interior finish, interior wall primer and various exterior coatings etc.
Embodiment
Below the present invention is described in further detail by embodiment, but this should be interpreted as that scope of the present invention only limits to following example.In the situation that do not break away from aforesaid method thought of the present invention, according to various replacements or the change that ordinary skill knowledge and customary means are made, all should be within the scope of the present invention.
Embodiment 1
1) with 15 parts of vinyl acetates and higher fatty acid vinyl acetate copolymerization rubber powder, 10 parts of sharp too titanium dioxides, 15 parts of light calcium carbonates, 10 parts of calcined kaolins, 30 parts of talcum powder, 5 parts of micro-crystal powders, 0.5 part of Zelan 338 mixes under 200 rev/mins of rotating speeds by mixing machine makes it even;
2) the mixed work in-process of step 1) are added carry out interface peel in the fine machine of eddy airstream, increase to coat;
3) with step 2) products obtained therefrom input mixing machine, add 0.5 part of Vltra tears, 0.5 part of polyether antifoam agent and 0.5 part of urethane flow agent by 40 ℃ of lower ageings 20 minutes, obtain take color stuffing as core, rubber powder as shell coats strong a kind of of integrity can the water-soluble dry powder emulsion paint of speed.According to the requirement of GB/T9756-2009 " resin latex dope " interior finish, test its specific targets such as following table:
| Project | Standard-required | Originally execute the example test result |
| Application property | Brush two roads accessible | Brush two roads accessible |
| Low-temperature stability (3 circulations) | Never degenerate | Never degenerate |
| Appearance of film | Normally | Normally |
| Time of drying (surface drying)/h | ≤2 | 1 |
| Alkali resistance (24h) | Without abnormal | Without abnormal |
| Abrasion resistance/time | 300(is qualified), the 1000(acceptable end product), the 5000(premium grads) | 3000 |
This product and water are applied to interior finish after mixing with the 1:2 ratio, and the face uniform and smooth has good brushing property and washability type, dry not shedding later on.
Embodiment 2
1) with 20 parts of vinyl acetates and ethylene copolymer rubber powder, 10 parts of zinc oxide, 40 parts of talcum powder, 20 parts of water-ground limestones, 5 parts of micro-crystal powders, 5 parts of silica powder, 0.8 part of Sodium hexametaphosphate 99 mixes under 150 rev/mins of rotating speeds by mixing machine makes it even;
2) the mixed work in-process of step 1) are added carry out interface peel in the fine machine of eddy airstream, increase to coat;
3) with step 2) products obtained therefrom input mixing machine, add 0.5 part of methylcellulose gum, 0.4 part of polyether antifoam agent and 0.2 part of organosilicon flow agent by 50 ℃ of lower ageings 10 minutes, obtain take color stuffing as core, rubber powder as shell coats strong a kind of of integrity can the water-soluble dry powder emulsion paint of speed.Wall primer requirement interior according to GB/T9756-2009 " resin latex dope ", test its specific targets such as following table:
| Project | Standard-required | Originally execute the example test result |
| Application property | Brush accessible | Brush accessible |
| Appearance of film | Normally | Normally |
| Low-temperature stability (3 circulations) | Never degenerate | Never degenerate |
| Time of drying (surface drying)/h | ≤2 | 1.3 |
| Alkali burnout resistance (48h) | Without abnormal | Without abnormal |
| Alkali resistance (24h) | Without abnormal | Without abnormal |
This product and water are applied to interior wall primer after mixing with the 1:2 ratio, and its film forming is excellent, the face uniform and smooth, and the priming paint smooth surface is smooth.
Embodiment 3
1) with 20 parts of vinyl acetate copolymerized rubber powders, 10 parts of sharp too titanium dioxides, 5 parts of zinc oxide, 20 parts of talcum powder, 20 parts of light calcium carbonates, 10 parts of mica powders, 10 parts of calcined kaolins, 5 parts of micro-crystal powders, 1 part of sodium polyacrylate mixes under 170 rev/mins of rotating speeds by mixing machine makes it even;
2) the mixed work in-process of step 1) are added carry out interface peel in the fine machine of eddy airstream, increase to coat;
3) with step 2) products obtained therefrom input mixing machine, add 1 part of carboxyethyl cellulose, 0.5 part of silicon oil foam killer and 0.5 part of urethane flow agent by 45 ℃ of lower ageings 15 minutes, obtain take color stuffing as core, rubber powder as shell coats strong a kind of of integrity can the water-soluble dry powder emulsion paint of speed.
According to GB/T9755-2001 " exterior wall coating material of synthetic resin emulsion " requirement, test its specific targets as follows
| Project | Standard-required | Originally execute the example test result |
| Application property | Brush accessible | Brush accessible |
| Appearance of film | Normally | Normally |
| Low-temperature stability | Never degenerate | Never degenerate |
| Time of drying (surface drying)/h | ≤2 | 1.0 |
| Water tolerance | 96 hours without abnormal | 120 hours without abnormal |
| Alkali resistance (48h) | Without abnormal | Without abnormal |
| Artificial ageing resistance | 600h is non-foaming, do not peel off, flawless | 1200h is non-foaming, do not peel off, flawless |
This product and water can be used for exterior wall paint after mixing with the 1:2 ratio, and film-forming properties, washable rinsing property, water resistance are good.
Claims (6)
1. a dry powder emulsion paint, is characterized in that this emulsion paint is powdery emulsion paint, and it is as follows that its raw material forms (weight part):
Inorganic powder 55-70 part,
Redispersable latex powder 15-25 part,
Whitening agent 10-20 part,
Promoting agent 5-10 part,
Thickening material 0.5-1 part,
Dispersion agent 0.5-1 part,
Defoamer 0.3-0.5 part,
Flow agent 0.2-0.5 part,
Wherein said inorganic powder is at least a in particle diameter 1250-2000 purpose light calcium carbonate, water-ground limestone, calcined kaolin, talcum powder, mica powder, asbestos powder; Described redispersable latex powder is at least a in vinyl acetate and ethylene copolymer rubber powder, ethene and vinylchlorid and vinyl laurate terpolymer rubber powder, vinyl acetate and higher fatty acid vinyl acetate copolymerization rubber powder, vinyl acetate copolymerized rubber powder, acrylate and styrene copolymerized rubber powder, vinyl acetate and acrylate and higher fatty acid vinyl acetate terpolymer rubber powder, stupid ethene and butadiene copolymer rubber powder; Described whitening agent is at least a in titanium dioxide, zinc oxide, barium sulfate; Said promoting agent is micro-crystal powder; Described thickening material is at least a in Vltra tears, methylcellulose gum, carboxymethyl cellulose, carboxyethyl cellulose; Described dispersion agent is at least a in sodium polyacrylate, Zelan 338, Sodium hexametaphosphate 99, ammonium salt; Described defoamer is at least a in polyether antifoam agent, silicon oil foam killer, mineral oil; Described flow agent is at least a in urethane flow agent, silicone based flow agent.
2. a kind of dry powder emulsion paint as claimed in claim 1, is characterized in that described micro-crystal powder is fine powder or the quartzy powder that silicon-dioxide and aluminium sesquioxide form.
3. a kind of dry powder emulsion paint as claimed in claim 1, is characterized in that described promoting agent particle diameter 〉=6000 orders.
4. a kind of dry powder emulsion paint as claimed in claim 1 is characterized in that concrete preparation process is as follows:
1) 55-70 part inorganic powder, 15-25 part redispersable latex powder, 10-20 part whitening agent, 0.5-1 part dispersion agent, 5-10 part promoting agent are mixed under 150-200 rev/min of rotating speed by mixing machine make it even;
2) the step 1) mixing is rear by carrying out interface peel, coating in the fine machine of eddy airstream;
3) with step 2) products obtained therefrom adds 0.5-1 part thickening material, 0.3-0.5 part defoamer and 0.2-0.5 part flow agent to drop into mixing machine at 40-50 ℃ of lower ageing 10-20 minute, obtain take color stuffing as core, rubber powder is complete as shell coats a kind of can the water-soluble dry powder emulsion paint of speed.
5. a kind of preparation method of dry powder emulsion paint as claimed in claim 4, is characterized in that the fine machine of described eddy airstream is the fine machine of continous way eddy airstream, and inner chamber is round shape, by an annular plate, it is divided into upper and lower two portions.
6. a kind of dry powder emulsion paint and preparation method as claimed in claim 4, is characterized in that the fine machine of eddy airstream carries out the interface peel rotating speed and is controlled at 1000-1500 rev/min.
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| CN201310099483.0A CN103146240B (en) | 2013-03-26 | 2013-03-26 | Dry powder latex paint and preparation method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103305069A (en) * | 2013-07-03 | 2013-09-18 | 内蒙古大学 | Method for preparing coating from waste polystyrene foam |
| CN104017394A (en) * | 2013-12-24 | 2014-09-03 | 韦先飞 | Dry powder latex paint capable of effectively decomposing formaldehyde |
| CN104212273A (en) * | 2014-08-01 | 2014-12-17 | 上海展辰涂料有限公司 | Dry-powder latex paint |
| CN104341823A (en) * | 2014-10-17 | 2015-02-11 | 苏州莱特复合材料有限公司 | Photocuring metal powder composite paint and preparation method thereof |
| CN104804485A (en) * | 2015-05-19 | 2015-07-29 | 佛山市南海万磊建筑涂料有限公司 | Waterproof inorganic dry powder interior and exterior wall coating and preparation method thereof |
| CN104876470A (en) * | 2015-05-19 | 2015-09-02 | 佛山市南海万磊建筑涂料有限公司 | Waterproof inorganic dry powder stone-like paint |
| CN104974630A (en) * | 2015-07-27 | 2015-10-14 | 华南理工大学 | High-scrubbing-resistant dry powder paint and preparation method thereof |
| CN105238102A (en) * | 2015-09-23 | 2016-01-13 | 界首市通泽建材销售有限公司 | Powdery wall coating |
| CN105315726A (en) * | 2014-08-04 | 2016-02-10 | 天津格林福环保科技有限公司 | Environmental-friendly water-based inorganic dry powder coating for interior wall |
| CN105885476A (en) * | 2015-01-07 | 2016-08-24 | 邹文和 | Zero-formaldehyde powdered interior wall coating |
| CN105885695A (en) * | 2015-01-07 | 2016-08-24 | 邹文和 | Coating special for cooling tower corrosion prevention |
| CN107254223A (en) * | 2017-06-16 | 2017-10-17 | 河南兴安新型建筑材料有限公司 | A kind of dry powder emulsion paint and preparation method thereof |
| CN110605057A (en) * | 2019-09-23 | 2019-12-24 | 长兴金丰建材有限公司 | Production device and method of emulsion paint for building wall |
| CN116023814A (en) * | 2023-01-05 | 2023-04-28 | 广东嘉宝莉科技材料有限公司 | Dry powder emulsion paint and preparation method and application method thereof |
| CN116376446A (en) * | 2023-04-11 | 2023-07-04 | 广东嘉宝莉科技材料有限公司 | High-water-resistance dry powder emulsion paint and preparation method and application method thereof |
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| CN103305069A (en) * | 2013-07-03 | 2013-09-18 | 内蒙古大学 | Method for preparing coating from waste polystyrene foam |
| CN103305069B (en) * | 2013-07-03 | 2015-11-18 | 内蒙古大学 | A kind of take waste polystyrene foam as the method that coating prepared by raw material |
| CN104017394A (en) * | 2013-12-24 | 2014-09-03 | 韦先飞 | Dry powder latex paint capable of effectively decomposing formaldehyde |
| CN104017394B (en) * | 2013-12-24 | 2016-10-05 | 韦先飞 | The dry powder emulsion paint coating of efficient-decomposition formaldehyde |
| CN104212273A (en) * | 2014-08-01 | 2014-12-17 | 上海展辰涂料有限公司 | Dry-powder latex paint |
| CN105315726A (en) * | 2014-08-04 | 2016-02-10 | 天津格林福环保科技有限公司 | Environmental-friendly water-based inorganic dry powder coating for interior wall |
| CN105315726B (en) * | 2014-08-04 | 2019-06-11 | 天津格林福环保科技有限公司 | A kind of environment-friendly type inner wall aqueous inorganic dry powder paint |
| CN104341823A (en) * | 2014-10-17 | 2015-02-11 | 苏州莱特复合材料有限公司 | Photocuring metal powder composite paint and preparation method thereof |
| CN105885476A (en) * | 2015-01-07 | 2016-08-24 | 邹文和 | Zero-formaldehyde powdered interior wall coating |
| CN105885695A (en) * | 2015-01-07 | 2016-08-24 | 邹文和 | Coating special for cooling tower corrosion prevention |
| CN104876470A (en) * | 2015-05-19 | 2015-09-02 | 佛山市南海万磊建筑涂料有限公司 | Waterproof inorganic dry powder stone-like paint |
| CN104876470B (en) * | 2015-05-19 | 2018-06-08 | 佛山市南海万磊建筑涂料有限公司 | A kind of waterproof inorganic powder lacquer |
| CN104804485A (en) * | 2015-05-19 | 2015-07-29 | 佛山市南海万磊建筑涂料有限公司 | Waterproof inorganic dry powder interior and exterior wall coating and preparation method thereof |
| CN104974630A (en) * | 2015-07-27 | 2015-10-14 | 华南理工大学 | High-scrubbing-resistant dry powder paint and preparation method thereof |
| CN105238102A (en) * | 2015-09-23 | 2016-01-13 | 界首市通泽建材销售有限公司 | Powdery wall coating |
| CN107254223A (en) * | 2017-06-16 | 2017-10-17 | 河南兴安新型建筑材料有限公司 | A kind of dry powder emulsion paint and preparation method thereof |
| CN110605057A (en) * | 2019-09-23 | 2019-12-24 | 长兴金丰建材有限公司 | Production device and method of emulsion paint for building wall |
| CN116023814A (en) * | 2023-01-05 | 2023-04-28 | 广东嘉宝莉科技材料有限公司 | Dry powder emulsion paint and preparation method and application method thereof |
| CN116023814B (en) * | 2023-01-05 | 2024-09-24 | 广东嘉宝莉科技材料有限公司 | Dry powder emulsion paint and preparation method and application method thereof |
| CN116376446A (en) * | 2023-04-11 | 2023-07-04 | 广东嘉宝莉科技材料有限公司 | High-water-resistance dry powder emulsion paint and preparation method and application method thereof |
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