CN108793824A - A kind of functional sand textured coating and preparation method thereof - Google Patents

A kind of functional sand textured coating and preparation method thereof Download PDF

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Publication number
CN108793824A
CN108793824A CN201710281700.6A CN201710281700A CN108793824A CN 108793824 A CN108793824 A CN 108793824A CN 201710281700 A CN201710281700 A CN 201710281700A CN 108793824 A CN108793824 A CN 108793824A
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CN
China
Prior art keywords
parts
agent
textured coating
sand textured
antifoaming agent
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Application number
CN201710281700.6A
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Chinese (zh)
Inventor
孟奎
孟运
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Hu Baoxin Materials Science And Technology (shanghai) Ltd By Share Ltd
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Hu Baoxin Materials Science And Technology (shanghai) Ltd By Share Ltd
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Priority to CN201710281700.6A priority Critical patent/CN108793824A/en
Publication of CN108793824A publication Critical patent/CN108793824A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/04Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/06Acrylates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00034Physico-chemical characteristics of the mixtures
    • C04B2111/00146Sprayable or pumpable mixtures
    • C04B2111/00155Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482Coating or impregnation materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of functional sand textured coatings, are grouped as by following group of parts by weight:14-16 parts of modified acrylic acid emulsion, 0.8-1.2 parts of lauryl alcohol ester, 0.6-1 parts of ethylene glycol, 0.21-0.27 parts of dispersant, 0.05-0.09 parts of wetting agent, 0.75-1 parts of preservative, 0.1-0.2 parts of hydroxyethyl ether cellulose, 0.1-0.15 parts of antifoaming agent, 0.5-1 parts of thickener, 1-1.5 parts of pH adjusting agent, 8.5-10 parts of calcium powder, 8-12 parts of titanium dioxide, 55-65 parts of quartz sand;Functional sand textured coating of the present invention has reflective insulation effect, is applied to the long-term building for being subjected to sunlight irradiation and industrial equipment surface, reduces because extinction temperature elevated band comes the use of air-conditioning equipment, energy conservation and environmental protection;Functional sand textured coating of the present invention has filled up the blank that traditional sand textured coating cannot achieve reflective insulation function, expands the application range of sand textured coating.

Description

A kind of functional sand textured coating and preparation method thereof
Technical field
The present invention relates to building material technical field more particularly to a kind of functional sand textured coatings and the sand wall-like to apply The preparation method of material.
Background technology
Sand textured coating is with spray gun spraying in outer wall of the building, like a kind of sand-like external application building coating.
Publication number CN 1654569A disclose " a kind of sand textured coating ", by granular aggregates, silty filler, glue Agent and auxiliary agent composition are tied, wherein the silty filler is by natural stone-powder, chemical miberal powder, rubber powder, flyash and by waste powder One or more kinds of mixture compositions in the fine powder being broken into.The sand textured coating improves the waterproof function of coating.
Publication No. CN106189598A discloses " a kind of double thin sand textured coatings ", includes the component of following parts by weight: 25-30 parts of base paint, 3-5 parts of slipping agent, 2-5 parts of the silica flour of 325 mesh, 30-40 parts of the quartz sand of 40 mesh, the quartz sand of 80 mesh 25-30 parts, 2-3 parts of coupling agent, 0.2-0.4 parts of thickener.This pair of thin sand textured coating shows good dredge to water and oil From effect, prevent water penetration.
Currently, in document report and produce reality, weatherability, water permeability resistance, the mechanical strength of sand textured coating are only used High performance not yet mentions reflective insulation function, and it is sand textured coating matter thickness, rough surface to trace it to its cause, and can not produce and provide There is the coating of reflective insulation effect.And sand textured coating has its reflective insulation Journal of Sex Research as a kind of external application building coating Significance.
Invention content
In order to solve the problems, such as that sand textured coating cannot achieve reflective insulation function in the prior art, the purpose of the present invention is A kind of functional sand textured coating is provided, the sunlight of near infrared region and visible region is effectively reflected, plays heat insulation;For This, the present invention will also provide the preparation method of the functional sand textured coating.
To achieve the goals above, the present invention adopts the following technical scheme that:
The first aspect of the present invention provides a kind of functional sand textured coating, is grouped as by following group of parts by weight:
14-16 parts of modified acrylic acid emulsion
0.8-1.2 parts of lauryl alcohol ester
0.6-1 parts of ethylene glycol
0.21-0.27 parts of dispersant
0.05-0.09 parts of wetting agent
0.75-1 parts of preservative
0.1-0.2 parts of hydroxyethyl ether cellulose
0.1-0.15 parts of antifoaming agent
0.5-1 parts of thickener
1-1.5 parts of pH adjusting agent
8.5-10 parts of calcium powder
8-12 parts of titanium dioxide
55-65 parts of quartz sand.
Wherein, the wetting agent is anion wetting agent.
Wherein, the wetting agent is selected from the FS-61 of E.I.Du Pont Company.
Wherein, the calcium powder is powdered whiting.
The second aspect of the present invention provides the preparation method of above-mentioned functional sand textured coating, includes the following steps:
Hydroxyethyl ether cellulose is added in S1 in the reactor, stirs 10-15 minutes;
S2 sequentially adds dispersant, wetting agent, the first antifoaming agent and pH adjusting agent, stirs 5-10 minutes;
S3 sequentially adds titanium dioxide, calcium powder, stirs 20-25 minutes;
S4 sequentially adds modified acrylic acid emulsion, ethylene glycol, lauryl alcohol ester, preservative, the second antifoaming agent and thickener, stirring 5-10 minutes;
S5 is added quartz sand, is uniformly dispersed.
Wherein, the ingredient of first antifoaming agent and the second antifoaming agent is identical, parts by weight shared by first antifoaming agent For 0.05-0.1, parts by weight shared by second antifoaming agent are 0.05-0.1.
Antifoaming agent is added in two steps, part antifoaming agent is added in S2 steps, antifoaming agent is foam inhibitor herein, inhibits each group Divide the bubble generated due to high-speed stirred in dispersion process;Remaining antifoaming agent is added in S4 steps, antifoaming agent is brokenly bubble herein Agent destroys the bubble unavoidably generated in mechanical agitation process.Using feed postition twice, the suds work that disappears can be effectively played With.
The present invention in continuous debugging process attempts that antifoaming agent is added using the following two kinds mode.1)Using in S2 steps The mode that antifoaming agent is all added, but still have bubble generation in whipping process, with the progress of process, bubble gradually tires out Product, can not disappear;2)It is not added with antifoaming agent using in S2 steps, in the mode that S4 steps are all added, since stirring initial stage is without disappearing Infusion exists, and leads to a large amount of bubbles occur, antifoaming agent is added in S4 steps, bubble can fade away, but the disappearance of bubble needs The time is wanted, extent of reaction is affected, on the other hand, when workshop is produced, stirring initial stage, there are a large amount of bubbles, or even overflowed Consersion unit increases the amount of labour and labor intensity.
The presence of bubble in coating causes coating dispersion uneven, drastically influences durability, the resistance to soiling of coating.Therefore, The dosing method and dosage of antifoaming agent are of crucial importance to the performance of coating.
Wherein, the mixing speed in the S1 is 500-800 revs/min, the mixing speed in the S2 be 300-500 turn/ Point, the mixing speed in the S3 is 1000-1200 revs/min, and the mixing speed in the S4 is 300-500 revs/min.
S1 steps use 500-800 revs/min of rotating speed, this step belongs to middling speed dispersion, convenient for hydroxyethyl ether cellulose Fully dissolving;If rotating speed is too low, cause jitter time long;If rotating speed is too high, highly viscous hydroxyethyl ether cellulose will produce A large amount of bubbles are not easy to abolish.
S2 steps use 300-500 revs/min of rotating speed, this step to belong to low speed dispersion, disperse in system convenient for auxiliary agent Uniformly, rotating speed increases, and will be unable to the stabilization of maintenance system temperature.
S3 steps use 800-1000 revs/min of rotating speed, this step to belong to high speed dispersion, filled out since the step adds face Material, it is necessary to which high speed dispersion is so that color stuffing by high speed shear, reaches fineness range as defined in coating.
S4 steps use 300-500 revs/min of rotating speed, this step belongs to low speed dispersion, since the step adds lotion And auxiliary agent, rate of dispersion are unsuitable excessively high;If rate of dispersion is too fast, constant temperature increases, and auxiliary agent can quickly volatilize, and be unfavorable for system Stablize;Disperse according to high speed, will produce more bubbles in dispersion process, is unfavorable for system defoaming, high speed dispersion is also Emulsion breaking problem can be brought.
Wherein, the S5 further includes the steps that the system after stirring S4 is transferred to texture paint Special dispersing cylinder before.
S1-S4 steps are in coating special cylinder, and the dispersion impeller of the equipment is gear-like high speed shear dispersion impeller, motor Power is small, and the rate of dispersion of sand is slow, influences reaction efficiency;Texture paint Special dispersing cylinder is helical form dispersion impeller, rate of dispersion It is moderate, will not bring high speed shear that quartz sand particle size is brought to become smaller, system temperature increase the problems such as;In addition, the addition of quartz sand System viscosity is brought to increase, dispersion resistance increases, and using texture paint Special dispersing cylinder, disperses more uniform.
Solar radiation spectral wavelength is divided into three spectral regions:0.72-2.5 μm of near infrared region accounts for the 45% of solar energy;It can 0.4-0.72 μm of light-exposed area accounts for the 45% of solar energy;0.2-0.4 μm of ultra-violet (UV) band accounts for the 5% of solar energy.Therefore, solar radiation Most of energy all concentrate on visible light and near infrared region.The present invention obtains modified acrylic acid emulsion and various additive compounds After the coating film forming obtained, it can will be seen that light and near infrared light are reflected back in atmosphere again, reduce coating to the saturating of sunlight It crosses and absorbs, there is good heat insulation on the building for being subjected to sunlight irradiation for a long time and industrial equipment surface by the coating.
Compared with prior art, the advantageous effect that the present invention realizes:Functional sand textured coating of the present invention have reflection every Thermal effect is applied to the long-term building for being subjected to sunlight irradiation and industrial equipment surface, reduces because of extinction temperature elevated band Come the use of air-conditioning equipment, energy conservation and environmental protection;Functional sand textured coating of the present invention has been filled up traditional sand textured coating and cannot achieve The blank of reflective insulation function expands the application range of sand textured coating.
Specific implementation mode
Embodiment 1
A kind of preparation method of functional sand textured coating, includes the following steps:
S1 weighs 1400g modified acrylic acid emulsions, 80g lauryl alcohol esters, 80g ethylene glycol, 23g dispersants(The 5040 of Nuo Pu sections), 6g wetting agents(The FS-61 of E.I.Du Pont Company), 75g preservatives(The MBS of Sol), 15g hydroxyethyl ether celluloses, 10g NXZ defoamings Agent, 60g thickeners(The TT-935 of ROHM AND HAAS), 100g pH adjusting agents(The AMP95 of Tao Shi), 850g powdered whitings, 1000g titanium dioxides, 6000g quartz sands;
1200ml water and 15g hydroxyethyl ether celluloses is added in S2 in the reactor, stirs 10 minutes;
23g dispersants, 6g wetting agents, 5g NXZ antifoaming agent and 100g pH adjusting agents, stirring 5 is added in S3 into reactor respectively Minute;
S4, is added 1000g titanium dioxides into reactor respectively, and 850g powdered whitings stir 20 minutes;
S5, respectively into reactor be added 1400g modified acrylic acid emulsions, 80g ethylene glycol, 80g lauryl alcohol esters, 75g preservatives, 5g antifoaming agent and 60g thickeners stir 10 minutes;
S6, the system after S5 is stirred are transferred in texture paint Special dispersing cylinder, and 6000g quartz sands are added, are uniformly dispersed.
Embodiment 2
A kind of preparation method of functional sand textured coating, includes the following steps:
S1 weighs 1600g modified acrylic acid emulsions, 100g lauryl alcohol esters, 60g ethylene glycol, 21g dispersants(Nuo Pu sections 5040), 5g wetting agents(The FS-61 of E.I.Du Pont Company), 100g preservatives(The MBS of Sol), 10g hydroxyethyl ether celluloses, 12g NXZ antifoaming agent, 50g thickeners(The TT-935 of ROHM AND HAAS), 150g pH adjusting agents(The AMP95 of Tao Shi), 900g heavy carbonic acid Calcium, 800g titanium dioxides, 5500g quartz sands;
1400ml water and 10g hydroxyethyl ether celluloses is added in S2 in the reactor, stirs 10 minutes;
21g dispersants, 5g wetting agents, 6g antifoaming agent and 150g pH adjusting agents is added in S3 into reactor respectively, stirs 5 points Clock;
S4, is added 800g titanium dioxides into reactor respectively, and 900g powdered whitings stir 20 minutes;
1600g modified acrylic acid emulsions, 60g ethylene glycol, 100g lauryl alcohol esters, 100g anti-corrosions is added in S5 into reactor respectively Agent, 6g antifoaming agent and 50g thickeners stir 10 minutes;
S6, the system after S5 is stirred are transferred in texture paint Special dispersing cylinder, and 5500g quartz sands are added, are uniformly dispersed.
Embodiment 3
A kind of preparation method of functional sand textured coating, includes the following steps:
S1 weighs 1500g modified acrylic acid emulsions, 120g lauryl alcohol esters, 100g ethylene glycol, 27g dispersants(Nuo Pu sections 5040), 9g wetting agents(The FS-61 of E.I.Du Pont Company), 80g preservatives(The MBS of Sol), 20g hydroxyethyl ether celluloses, 15g NXZ antifoaming agent, 100g thickeners(The TT-935 of ROHM AND HAAS), 120g pH adjusting agents(The AMP95 of Tao Shi), 1000g heavy carbons Sour calcium, 1200g titanium dioxides, 6500g quartz sands;
1300ml water and 20g hydroxyethyl ether celluloses is added in S2 in the reactor, stirs 10 minutes;
27g dispersants, 9g wetting agents, 7.5g antifoaming agent and 120g pH adjusting agents is added in S3 into reactor respectively, stirs 5 points Clock;
S4, is added 1200g titanium dioxides into reactor respectively, and 1000g powdered whitings stir 20 minutes;
1500g modified acrylic acid emulsions, 100g ethylene glycol, 120g lauryl alcohol esters, 80g anti-corrosions is added in S5 into reactor respectively Agent, 7.5g antifoaming agent and 100g thickeners stir 10 minutes;
S6, the system after S5 is stirred are transferred in texture paint Special dispersing cylinder, and 6500g quartz sands are added, are uniformly dispersed.
By taking functional sand textured coating prepared by embodiment 3 as an example, its reflecting properties is investigated.
With JG/T235-2014《Architectural reflective heat-insulation paint》Standard applies to investigate the functional sand wall-like of the preparation of embodiment 3 Material, test result are as shown in table 1.
Table 1
As shown in table 1, the functional sand textured coating that prepared by the present invention reaches high brightness coating requirement, has excellent reflecting properties.
The above specific embodiments are only exemplary, is to preferably make skilled artisans appreciate that originally Patent, be not to be construed as include to this patent range limitation;As long as appointing according to made by spirit disclosed in this patent How with change or modification, the range that this patent includes is each fallen within.

Claims (8)

1. a kind of functional sand textured coating, which is characterized in that be grouped as by following group of parts by weight:
14-16 parts of modified acrylic acid emulsion
0.8-1.2 parts of lauryl alcohol ester
0.6-1 parts of ethylene glycol
0.21-0.27 parts of dispersant
0.05-0.09 parts of wetting agent
0.75-1 parts of preservative
0.1-0.2 parts of hydroxyethyl ether cellulose
0.1-0.15 parts of antifoaming agent
0.5-1 parts of thickener
1-1.5 parts of pH adjusting agent
8.5-10 parts of calcium powder
8-12 parts of titanium dioxide
55-65 parts of quartz sand.
2. functional sand textured coating as described in claim 1, which is characterized in that the wetting agent is anion wetting agent.
3. functional sand textured coating as claimed in claim 2, which is characterized in that the wetting agent is selected from E.I.Du Pont Company FS-61。
4. functional sand textured coating as described in claim 1, which is characterized in that the calcium powder is powdered whiting.
5. a kind of preparation method of claim 1-4 any one of them functional sand textured coatings, which is characterized in that including such as Lower step:
Hydroxyethyl ether cellulose is added in S1 in the reactor, stirs 10-15 minutes;
S2 sequentially adds dispersant, wetting agent, the first antifoaming agent and pH adjusting agent, stirs 5-10 minutes;
S3 sequentially adds titanium dioxide, calcium powder, stirs 20-25 minutes;
S4 sequentially adds modified acrylic acid emulsion, ethylene glycol, lauryl alcohol ester, preservative, the second antifoaming agent and thickener, stirring 5-10 minutes;
S5 is added quartz sand, is uniformly dispersed.
6. preparation method as claimed in claim 5, which is characterized in that first antifoaming agent and the second antifoaming agent at split-phase Together, parts by weight shared by first antifoaming agent are 0.05-0.1, and parts by weight shared by second antifoaming agent are 0.05-0.1.
7. preparation method as claimed in claim 5, which is characterized in that the mixing speed in the S1 is 500-800 revs/min, Mixing speed in the S2 is 300-500 revs/min, and the mixing speed in the S3 is 1000-1200 revs/min, in the S4 Mixing speed be 300-500 revs/min.
8. preparation method as claimed in claim 5, which is characterized in that further include the system turn after stirring S4 before the S5 The step of entering texture paint Special dispersing cylinder.
CN201710281700.6A 2017-04-26 2017-04-26 A kind of functional sand textured coating and preparation method thereof Pending CN108793824A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110104991A (en) * 2019-04-30 2019-08-09 浙江志强涂料有限公司 A kind of heat preservation sand textured coating and preparation method thereof
CN114517038A (en) * 2022-03-25 2022-05-20 富思特新材料科技发展股份有限公司 Sand wall-shaped building coating

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101607805A (en) * 2009-07-17 2009-12-23 山东秦恒科技有限公司 A kind of sand textured building coating and production technique thereof
CN103952052A (en) * 2014-05-22 2014-07-30 富思特新材料科技发展股份有限公司 Travertine-like elastic texture coating and preparation method thereof
CN104946033A (en) * 2015-07-24 2015-09-30 武汉德美涂料股份有限公司 Sand texture paint and production method thereof
CN105273550A (en) * 2015-10-26 2016-01-27 富思特新材料科技发展股份有限公司 Rough coating with high flamed granite imitation and primer texture and preparation method of rough coating
CN106189598A (en) * 2016-08-11 2016-12-07 无锡市虎皇漆业有限公司 Double thin sand textured coatings and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101607805A (en) * 2009-07-17 2009-12-23 山东秦恒科技有限公司 A kind of sand textured building coating and production technique thereof
CN103952052A (en) * 2014-05-22 2014-07-30 富思特新材料科技发展股份有限公司 Travertine-like elastic texture coating and preparation method thereof
CN104946033A (en) * 2015-07-24 2015-09-30 武汉德美涂料股份有限公司 Sand texture paint and production method thereof
CN105273550A (en) * 2015-10-26 2016-01-27 富思特新材料科技发展股份有限公司 Rough coating with high flamed granite imitation and primer texture and preparation method of rough coating
CN106189598A (en) * 2016-08-11 2016-12-07 无锡市虎皇漆业有限公司 Double thin sand textured coatings and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110104991A (en) * 2019-04-30 2019-08-09 浙江志强涂料有限公司 A kind of heat preservation sand textured coating and preparation method thereof
CN114517038A (en) * 2022-03-25 2022-05-20 富思特新材料科技发展股份有限公司 Sand wall-shaped building coating

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Application publication date: 20181113