CN109455983A - A kind of sand textured coating of preventing sand drop and preparation method thereof - Google Patents
A kind of sand textured coating of preventing sand drop and preparation method thereof Download PDFInfo
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- CN109455983A CN109455983A CN201811179838.6A CN201811179838A CN109455983A CN 109455983 A CN109455983 A CN 109455983A CN 201811179838 A CN201811179838 A CN 201811179838A CN 109455983 A CN109455983 A CN 109455983A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/28—Polysaccharides or derivatives thereof
- C04B26/285—Cellulose or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of sand textured coatings of preventing sand drop, it is characterized in that, preventing sand drop binding paste is added in traditional sand textured coating, the preventing sand drop binding paste comprises the following components in parts by weight: 50 parts of coarse whiting, 10-12 parts of water, 20-25 parts of elastic building emulsion adhesive, 0.1-0.3 parts of polyurethanes thickener, alkali soluble rises 8-12 parts of class thickener, remaining is aqueous wetting agent, aqueous dispersion, alcohol ester film forming agent, cellulose, ethylene glycol, pH adjusting agent, aqueous defoamer and aqueous microbiocidal;The invention also provides a kind of preparation methods of the sand textured coating of preventing sand drop, which is characterized in that before building emulsion adhesive is added into coating, is previously added preventing sand drop binding paste, increases emulsion adhesive degree and stability of emulsion.Finished product sand textured coating prepared by the present invention will not all generate drop phenomenon in spraying process and after solidification, to improve product quality, save cost.
Description
Technical field
The present invention relates to the sand textured coatings and its preparation of sand textured coating technical field more particularly to a kind of preventing sand drop
Method.
Background technique
Sand wall-like texture coating is specifically designed by fine graded filler, pure acrylic acid binder and other auxiliary agents composition
Viscosity structure, flexibility is good, impact resistant and impact, and coating has an excellent weatherability, hydrophobic gas permeability, can effectively bridging and
Cover the fine cracks of wall.Be widely used in industry and commerce building, public utility, office block, factory, hospital, apartment, not
(outer) metope in villa etc..The main formula of sand textured coating are as follows: natural colour sand particle+building emulsion adhesive+auxiliary agent+water,
Product executes " synthetic resin sand lotion sand textured building coating " (JG/T24-2000) standard.
Drop problem of sand textured coating during spraying application has become the industry common fault at present.Mainly it is formulated
In liquid composition+color sand particle specific gravity difference it is too big, cause liquid composition that cannot bond very well with color sand particle, constructing
When there is gun slot sand, liquid segregation phenomenon, so that part coatings is not bonded in construction surface and is fallen, this not only influences engineering matter
Amount, also increases cost.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of sand wall of the preventing sand drop proposed
Shape coating and preparation method thereof.
To achieve the goals above, present invention employs following technical solutions:
A kind of sand textured coating of preventing sand drop, including following components in percentage by weight: water 10-20%, hydroxy ethyl fiber
Plain 1-2%, carbon alcohols film forming agent 3-5%, pH adjusting agent 1-3%, aqueous ammonium salt defoaming agent 1-2%, polyurethanes thickener 1-
2%, aqueous microbiocidal 0.3-0.8, building emulsion adhesive 11-14%, preventing sand drop binding paste 2-4%, natural colour sand 60-
65%.
Preferably, the preventing sand drop binding paste comprises the following components in parts by weight: 10-12 parts of water, aqueous wetting agent 1-
3 parts, 0.4-0.6 parts of aqueous dispersion, 0.4-0.6 parts of alcohol ester film forming agent, 0.1-0.15 parts of cellulose, 1-2 parts of ethylene glycol, pH
0.1-0.3 parts of regulator, 0.3-0.5 parts of aqueous defoamer, 0.1-0.3 parts of polyurethanes thickener, alkali soluble rises class thickener 8-
12 parts, 1-3 parts of aqueous microbiocidal, 20-25 parts of elastic building emulsion adhesive, 50 parts of coarse whiting.
Preferably, the carbon alcohols film forming agent is specifically carbon alcohol -12, and the alcohol ester film forming agent is specifically alcohol ester-12, institute
Stating pH adjusting agent is specially Organic Alcohol amine coating pH adjusting agent, and the aqueous microbiocidal product type is KLN.
Preferably, the aqueous wetting agent is specifically BASF water paint wetting agent, and the aqueous dispersion is specially
Any one of silane coupling agent, electroneutral amine salt and polycarboxylate.
Preferably, the main component of the building emulsion adhesive is vinegar vinyl acetate-acrylate copolymer emulsion,
The main component of the elasticity building emulsion adhesive is acrylic emulsion.
Preferably, the alkali soluble class thickener that rises is specially medium-sized polyacrylate alkali swelling type lotion, described poly-
Ammonia type thickener is specially the polyurethane thickener of association type.
Preferably, the fineness of the natural colour sand is 20-120 mesh, and the fineness of the coarse whiting is not less than 400 mesh.
According to the above formula, the invention also provides a kind of preparation method of the sand textured coating of preventing sand drop, including it is following
Step:
One, the preparation of preventing sand drop binding paste:
1) following components is successively added in coating dispersion machine according to the formula of aforementioned preventing sand drop binding paste: water, water
Property wetting agent, aqueous dispersion, film forming agent, cellulose, ethylene glycol, pH adjusting agent, aqueous defoamer, polyurethanes thickener,
500 revs/min of revolving speed of adjustment is stirred 10-30 minutes, and base bond slurry A is obtained, spare;
2) alkali soluble is added in base bond slurry A to rise class thickener, adjusts dispersing speed to 800 revs/min, stirring
20-40 minutes;
3) 2) base bond slurry A in continue add aqueous microbiocidal, adjust dispersing speed to 500 revs/min,
Stirring 10-30 minutes;
4) continue to add elastic building emulsion adhesive and coarse whiting in base bond slurry A 3), adjust dispersing speed
To 300 revs/min, after stirring 20-40 minutes, the preventing sand drop binding paste B of finished product is obtained, barrelling is spare;
Two, the preparation of sand textured coating:
5) according to the formula of the sand textured coating of aforementioned preventing sand drop, water, ethoxy are sequentially added in water paint dispersion machine
Cellulose, carbon alcohols film forming agent, pH adjusting agent, aqueous amine salt defoaming agent, polyurethanes thickener and aqueous microbiocidal, adjustment
Dispersing speed is to 500 revs/min, after stirring 10-30 minutes, obtains basic coating slurry C, spare;
6) preventing sand drop binding paste B is added in basic coating slurry C by formula rate, adjustment dispersing speed to 300
Rev/min, it stirs 10 minutes;
7) 6) the slurry C of basic coating made from is pumped into stirred tank with pneumatic diaphragm pump, building emulsion adhesive is added,
7800-8800 revs/min of stirred tank revolving speed is adjusted, is stirred 10-20 minutes;
8) natural colour sand is added, stirred tank keeps former speed to continue stirring 20-40 minutes, sand wall-like is got product after packaging
Coating D.
Preferably, the finished product viscosity of the preventing sand drop binding paste B be 120-150KU, the sand textured coating D at
Product viscosity is 100-120KU.
Compared with prior art, the beneficial effects of the present invention are:
1. the technique of existing sand textured coating, which generally comprises, adds water and aqueous promoter, building emulsion is 2. added in stirred tank
Adhesive, is 3. added three steps such as color sand while stirring, the present invention step 1. and 2. between that novel preventing sand drop is added is viscous
Slurry is tied, the specific gravity of lotion is on the one hand increased, reduces the difference in specific gravity between lotion-sandstone, reduces the interface effect between solid-liquid
It answers, on the other hand also improves the caking ability between lotion and sandstone, emulsion intercalation method is improved, in order to store and transport;?
In spraying process, the uniformity of lotion is preferable, is not in sand, liquid segregation phenomenon, improves the continuity of spraying operation, applies
Drop phenomenon will not be all generated in material spraying process and after solidification, product quality is improved, has saved cost.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment:
A kind of preparation method of the sand textured coating of preventing sand drop, comprising the following steps:
One, the preparation of preventing sand drop binding paste:
1) according to the formula ratio of table 1, in coating dispersion machine, successively add following components: water, aqueous wetting agent are aqueous
Dispersing agent, film forming agent, cellulose, ethylene glycol, pH adjusting agent, aqueous defoamer, polyurethanes thickener adjust revolving speed 500
Rev/min, it stirs 10-30 minutes, obtains base bond slurry A, it is spare;
2) alkali soluble is added in base bond slurry A to rise class thickener, adjusts dispersing speed to 800 revs/min, stirring
20-40 minutes;
3) 2) base bond slurry A in continue add aqueous microbiocidal, adjust dispersing speed to 500 revs/min,
Stirring 10-30 minutes;
4) continue to add elastic building emulsion adhesive and coarse whiting in base bond slurry A 3), adjust dispersing speed
To 300 revs/min, after stirring 20-40 minutes, the preventing sand drop binding paste B of finished product is obtained, barrelling is spare;
The formula of 1 preventing sand drop binding paste of table
Two, the preparation of sand textured coating:
5) according to the formula ratio of table 2, water, hydroxyethyl cellulose, carbon alcohols film forming are sequentially added in water paint dispersion machine
Agent, pH adjusting agent, aqueous amine salt defoaming agent, polyurethanes thickener and aqueous microbiocidal, adjustment dispersing speed to 500 turns/
Minute, after stirring 10-30 minutes, basic coating slurry C is obtained, it is spare;
6) preventing sand drop binding paste B is added in basic coating slurry C by formula rate, adjustment dispersing speed to 300
Rev/min, it stirs 10 minutes;
7) 6) the slurry C of basic coating made from is pumped into stirred tank with pneumatic diaphragm pump, building emulsion adhesive is added,
700-800 revs/min of stirred tank revolving speed is adjusted, is stirred 10-20 minutes;
8) natural colour sand is added, stirred tank keeps former speed to continue stirring 20-40 minutes, sand wall-like is got product after packaging
Coating D.
The formula of the sand textured coating of 2 preventing sand drop of table
Product inspection method of the invention presses GB/T9755-2001 " exterior wall coating material of synthetic resin emulsion " and GB/T9756-
2001 " resin latex dopes " execute, and seal, pack and store;With stormer viscosity instrument viscosimetric, guarantee anti-
The finished product viscosity of drop binding paste B is 120-150KU, and the finished product viscosity of sand textured coating D is 100-120KU;The present embodiment
Used aqueous wetting agent, aqueous dispersion, film forming agent, cellulose, ethylene glycol, pH adjusting agent, defoaming agent, polyurethanes
Thickener, hydroxyethyl cellulose, pH adjusting agent, aqueous microbiocidal and building emulsion adhesive are all made of this promise chemistry section of Shanghai
The product of skill Co., Ltd.
1. the technique of existing sand textured coating, which generally comprises, adds water and aqueous promoter, building emulsion is 2. added in stirred tank
Adhesive, is 3. added three steps such as color sand while stirring, the present invention step 1. and 2. between that novel preventing sand drop is added is viscous
Slurry is tied, the specific gravity of lotion is increased, reduces the difference in specific gravity between lotion-sandstone, reduces the interfacial effect between solid-liquid, simultaneously
Also the caking ability between lotion and sandstone is improved, emulsion intercalation method is improved, in order to store and transport;In spraying process,
The uniformity of lotion is preferable, is not in sand, liquid segregation phenomenon, improves the continuity of spraying operation, in coating spraying process
With will not all generate drop phenomenon after solidification, improve product quality, saved cost.
The estimation of save the cost amount of the invention: since the invention avoids drop phenomenons, during spraying exterior wall,
Under same thickness compared with traditional sand textured coating, the usage amount of sand textured coating used in every square of exterior wall of the invention is reduced
20%, every square of dosage about 3.8Kg of the prior art can make every square of cost decline by present 4.0 yuan/Kg of cost price
About 3.0 yuan.It can be seen that the present invention is conducive to environmentally friendly and energy saving.The above, preferable specific embodiment party only of the invention
Formula, but scope of protection of the present invention is not limited thereto, anyone skilled in the art the invention discloses
In technical scope, it is subject to equivalent substitution or change according to the technical scheme of the invention and its inventive conception, should all covers in this hair
Within bright protection scope.
Claims (9)
1. a kind of sand textured coating of preventing sand drop, which is characterized in that including following components in percentage by weight: water 10-20%, hydroxyl
Ethyl cellulose 1-2%, carbon alcohols film forming agent 3-5%, pH adjusting agent 1-3%, aqueous ammonium salt defoaming agent 1-2%, polyurethanes thickening
Agent 1-2%, aqueous microbiocidal 0.3-0.8, building emulsion adhesive 10-12%, preventing sand drop binding paste 2-4%, natural colour sand 60-
65%。
2. a kind of sand textured coating of preventing sand drop according to claim 1, which is characterized in that the preventing sand drop binding paste
It comprises the following components in parts by weight: 10-12 parts of water, 1-3 parts of aqueous wetting agent, 0.4-0.6 parts of aqueous dispersion, alcohol ester film forming agent
0.4-0.6 parts, 0.1-0.15 parts of cellulose, 1-2 parts of ethylene glycol, 0.1-0.3 parts of pH adjusting agent, 0.3-0.5 parts of aqueous defoamer,
0.1-0.3 parts of polyurethanes thickener, alkali soluble rises 8-12 parts of class thickener, and 1-3 parts of aqueous microbiocidal, elastic building emulsion bonding
20-25 parts of agent, 50 parts of coarse whiting.
3. a kind of sand textured coating of preventing sand drop according to claim 1 or 2, which is characterized in that the carbon alcohols film forming
Agent is specifically carbon alcohol -12, and the alcohol ester film forming agent is specifically alcohol ester-12, and the pH adjusting agent is specially Organic Alcohol amine coating
PH adjusting agent, the aqueous microbiocidal product type are KLN.
4. a kind of sand textured coating of preventing sand drop according to claim 1 or 2, which is characterized in that the aqueous wetting agent
Specifically BASF water paint wetting agent, the aqueous dispersion are specially silane coupling agent, electroneutral amine salt and poly- carboxylic sodium
Any one of salt.
5. a kind of sand textured coating of preventing sand drop according to claim 1 or 2, which is characterized in that the building emulsion is viscous
The main component of mixture is vinegar vinyl acetate-acrylate copolymer emulsion, the elasticity building emulsion adhesive it is main at
It is divided into acrylic emulsion.
6. a kind of sand textured coating of preventing sand drop according to claim 1 or 2, which is characterized in that the alkali soluble rise class increasing
Thick dose is specially medium-sized polyacrylate alkali swelling type lotion, and the polyurethanes thickener is specially the poly- ammonia of association type
Ester thickener.
7. a kind of sand textured coating of preventing sand drop according to claim 1 or 2, which is characterized in that the natural colour sand
Fineness is 20-120 mesh, and the fineness of the coarse whiting is not less than 400 mesh.
8. a kind of preparation method of the sand textured coating of preventing sand drop, which comprises the following steps:
One, the preparation of preventing sand drop binding paste:
1) formula according to claim 2 successively adds following components in coating dispersion machine: water, and aqueous wetting agent is aqueous
Dispersing agent, film forming agent, cellulose, ethylene glycol, pH adjusting agent, aqueous defoamer, polyurethanes thickener adjust revolving speed 1000
Rev/min, it stirs 10-30 minutes, obtains base bond slurry A, it is spare;
2) alkali soluble is added in base bond slurry A to rise class thickener, adjusts dispersing speed to 800 revs/min, stirs 20-40
Minute;
3) continue to add aqueous microbiocidal in base bond slurry A 2), adjust dispersing speed to 500 revs/min, stir
10-30 minutes;
4) continue to add elastic building emulsion adhesive and coarse whiting, adjustment dispersing speed to 300 in base bond slurry A 3)
Rev/min, after stirring 20-40 minutes, the preventing sand drop binding paste B of finished product is obtained, barrelling is spare;
Two, the preparation of sand textured coating:
5) formula ratio according to claim 1 sequentially adds water in water paint dispersion machine, hydroxyethyl cellulose, carbon alcohols at
Film, pH adjusting agent, aqueous amine salt defoaming agent, polyurethanes thickener and aqueous microbiocidal, adjustment dispersing speed to 500
Rev/min, after stirring 10-30 minutes, basic coating slurry C is obtained, it is spare;
6) preventing sand drop binding paste B is added in basic coating slurry C by formula rate, adjusts dispersing speed to 300 revs/min
Clock stirs 10 minutes;
7) 6) the slurry C of basic coating made from is pumped into stirred tank with pneumatic diaphragm pump, building emulsion adhesive is added, adjustment is stirred
700-800 revs/min of kettle revolving speed is mixed, is stirred 10-20 minutes;
8) natural colour sand is added, stirred tank keeps former speed to continue stirring 20-40 minutes, sand textured coating D is got product after packaging.
9. a kind of preparation method of the sand textured coating of preventing sand drop according to claim 1, which is characterized in that described anti-lost
The finished product viscosity of sand binding paste B is 120-150KU, and the finished product viscosity of the sand textured coating D is 100-120KU.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111925484A (en) * | 2020-07-01 | 2020-11-13 | 新乡市世暨涂料有限公司 | Partially crosslinked copolymer type anti-flying sand agent for stone-like paint and preparation method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2727511A1 (en) * | 2010-01-28 | 2011-07-28 | Custom Building Products, Inc. | Rapid curing water resistant composition for grouts, fillers and thick coatings |
CN106608717A (en) * | 2015-10-26 | 2017-05-03 | 上海三银制漆有限公司 | Thick knife-coated sand-textured building paint and preparation method thereof |
CN108165104A (en) * | 2017-12-28 | 2018-06-15 | 成都富思特新材料有限公司 | A kind of quick-drying sand textured coating |
-
2018
- 2018-10-10 CN CN201811179838.6A patent/CN109455983A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2727511A1 (en) * | 2010-01-28 | 2011-07-28 | Custom Building Products, Inc. | Rapid curing water resistant composition for grouts, fillers and thick coatings |
CN106608717A (en) * | 2015-10-26 | 2017-05-03 | 上海三银制漆有限公司 | Thick knife-coated sand-textured building paint and preparation method thereof |
CN108165104A (en) * | 2017-12-28 | 2018-06-15 | 成都富思特新材料有限公司 | A kind of quick-drying sand textured coating |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111925484A (en) * | 2020-07-01 | 2020-11-13 | 新乡市世暨涂料有限公司 | Partially crosslinked copolymer type anti-flying sand agent for stone-like paint and preparation method thereof |
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Application publication date: 20190312 |