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CN1361186A - Nanometer acrylic acid microemulsion, water-thinned heat reflecting and isolating paint and their production process - Google Patents

Nanometer acrylic acid microemulsion, water-thinned heat reflecting and isolating paint and their production process Download PDF

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CN1361186A
CN1361186A CN 02109969 CN02109969A CN1361186A CN 1361186 A CN1361186 A CN 1361186A CN 02109969 CN02109969 CN 02109969 CN 02109969 A CN02109969 A CN 02109969A CN 1361186 A CN1361186 A CN 1361186A
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heat reflecting
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acrylic acid
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CN1176119C (en
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耿世斋
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Abstract

The present invention is one kind of nano acrylic acid microemulsion, water-thinned heart reflecting and isolating paint with the nano acrylic acid microemulsion and their prodcution process. The present invention aims at solving the technological problems of available paint, which contains great amount of organic solvent to pollute environment and has poor heat reflecting and isoalting performance. The water-thinned heat reflecting and isolating paint consists of nano acrlic acid microemulsion, conventional acrylic acid emulsion, pigment, filler, infrared ray reflector, assistant, pH regulator, densifier and softened water. The paint contains no organic solvent and has excellent heat reflecting and isolating performance.

Description

Nanometer acrylic acid microemulsion, water-thinned heat reflecting and isolating paint and manufacture method thereof
Technical field:
The water-thinned heat reflecting and isolating paint that the present invention relates to a kind of nanometer acrylic acid microemulsion and adopt nanometer acrylic acid microemulsion to make, and the manufacture method of nanometer acrylic acid microemulsion and water-thinned heat reflecting and isolating paint.
Background technology:
Traditional coating mostly is solvent-borne type, and contained organic solvent in use also will add organic solvent diluting sometimes generally greater than 30%.These solvents evaporate in construction process in the atmosphere, and not only the health of human body to the constructor works the mischief, and pollutes the environment, and cause the hidden danger of fire in addition.Along with countries in the world environmental requirement increasingly stringent, development environment protection type coating is the trend of the times material with replace solvents type coating.The particularly dark coating of common coating can absorb the infrared rays in the sunlight mostly, is converted into heat energy, causes that the coating temperature raises, and heat continues inwardly to be conducted by ground by being coated with the course ground again, causes the temperature in indoor or the container to raise.For addressing this problem, people develop heat reflection coatings in recent years, compare with common coating, and this coating can reflect or the scattering infrared rays morely, and has heat-blocking action, obviously reduces the body surface temperature.Be used for building wall and roof and have effect cool in summer and warm in winter, can reduce the air-conditioning expense.Be used for oil refining and chemical plant basin and can significantly reduce temperature in the basin, improve security.Existing heat reflection coatings major part is solvent based coating or is the water dilution type coating of base-material with water dilution type resin that the former contains more organic solvent, and the latter contains pure ethers solubility promoter.For example Japanese Patent JP98-120946 discloses a kind of infrared reflection coating of outward appearance dark color, is to combine with metal oxide-type black pigment, indium phosphide, flake aluminum, fluoro-resin, polysulfone resin, and its infrared reflectance is 31%, and weathering resistance is fabulous.This coating shortcoming is that base-material is a solvent type resin, and problem of environmental pollution is arranged, and its infrared reflectance is also not ideal enough.German patent DE 19501114 discloses a kind of infrared reflection coating, be to be base-material with water dilution type acrylic resin, with pigment such as titanium dioxide, chrome black, iron oxide reds, filler such as talcum powder, mica powder is formed, being applied to the coating that forms dried film thickness 45 μ m on the white primer, is ultrared reflectivity>50% of 1200-2000nm to wavelength.This coating shortcoming is that the mixed solution with propylene glycol and water is a thinner, still has problem of environmental pollution.External existing report about the research of water-thinned heat reflecting coating, but coating package stability, application property, coating heat reflection and effect of heat insulation are still undesirable, do not reach industrialization phase.
Summary of the invention:
The technical problem to be solved in the present invention is: existing coating can cause environmental pollution because of containing a large amount of organic solvents, and heat reflection and heat-proof quality are poor.
For solving existing coating because of containing the technical problem that a large amount of organic solvents can cause environmental pollution, the present invention by the following technical solutions: nanometer acrylic acid microemulsion, its special character is: its raw material contains:
The raw material weight ratio
Methyl methacrylate 30-70
Butyl acrylate 20-60
And/or butyl methacrylate 0-30
And/or methacrylic acid 0-4
And/or vinylformic acid 0-4
And/or MALEIC ANHYDRIDE 0-2
Initiator 1-3
PH conditioning agent 3-7
Solvent 20-30
Softening water 100-150.
Butyl methacrylate, methacrylic acid, vinylformic acid, MALEIC ANHYDRIDE are four kinds of selectivity raw materials, but must contain more than one.Initiator can adopt benzoyl peroxide, and solvent can adopt propyl carbinol.In the final nanometer acrylic acid microemulsion that generates, solvent should be deviate from, make it not contain solvent substantially.
Nanometer acrylic acid microemulsion of the present invention can be used alone as the preparation rust-inhibiting paint, also can mix use with conventional ACRYLIC EMULSION, and as coating for internal and external wall, hard floor paint etc., it can improve compactness, weathering resistance, sticking power, anti-fouling performance etc.Because it is deviate from solvent, do not pollute the environment in the use, can not produce disaster hidden-trouble.
Can cause environmental pollution for solving existing coating because of containing a large amount of organic solvents, and the technical problem of heat reflection and heat-proof quality difference, the present invention is by the following technical solutions: contain the water-thinned heat reflecting and isolating paint of aforesaid propylene acid nanometer micro-emulsion, its special character is: its raw material contains:
The raw material weight ratio
Nanometer acrylic acid microemulsion 15-25
Conventional ACRYLIC EMULSION 15-25
Pigment 1-20
Filler 5-20
Infrared reflection agent 0.1-1
Cenosphere 1-10
Auxiliary agent 0.5-2.5
PH conditioning agent 0.1-0.5
Thickening material 0.2-1.5
Softening water 20-40.
Above-mentioned conventional ACRYLIC EMULSION can be selected commercially available vinylformic acid building emulsion for use, for example the B-96 emulsion of east-Rhom and Hass, AC-261 emulsion.The particle size range of cenosphere is 1-100m.
Cenosphere of the present invention comprises that hollow ceramic microspheres, hollow glass micropearl and power plant float one or more in the pearl.
A kind of byproduct that produces in the cinder that pearl is the power station floats in power plant.
Hollow glass micropearl of the present invention is to be that raw material makes with the low boron glass of degree of hydrolysis.
Pigment of the present invention comprises that iron oxide black, red iron oxide, iron oxide yellow, titanium dioxide, phthalein green grass or young crops are red, in phthalocyanine blue and the organic yellow one or more.
Require selected pigment low or infrared reflectance is high to the infrared ray absorption rate.
Filler of the present invention comprises one or more in light calcium carbonate, process white, talcum powder and the mica powder.
Infrared reflection agent of the present invention is the nano-scale oxide micro mist of nanometer titanium dioxide micropowder and/or noble ruthenium, rhodium, iridium.
Thickening material of the present invention is polyethers and/or caustic solubility ACRYLIC EMULSION class associative thickener.
Auxiliary agent comprises dispersion agent, wetting agent, flow agent, defoamer, mould inhibitor, sanitas.Wherein selecting for use because of pigment property of dispersion agent decided, for mineral dyes such as titanium dioxide, red iron oxides, can adopt sodium, ammonium, the amine salt of alkenyl monomer and unsaturated carboxylic acid and lipin polymer thereof, for example: 5040,5027 dispersion agents of Henkel KGaA company, the T-731 dispersion agent of U.S. Rhom and Hass, consumption is the 0.5-2% of amount of pigment; For pigment dyestuffs such as phthalocyanine blues, can select high-molecular block copolymer for use with close pigment group, the EFKA-4550 of the Byk184 of for example German Bi Ke company or Dutch EFKA company, consumption is the 5-20% of amount of pigment; Wetting agent is selected polyether-modified alkynol for use, and as SURFYNOL GA, the SURFYNOL TG of U.S. aerochemistry company, consumption is the 0.1-0.3% of coating content; Flow agent can be selected silane or fluorine-carbon modified polyethers for use, the Byk348,307 of for example German Bi Ke company, the EFKA-3570 of Dutch EFKA company; Defoamer is selected organic silicon modified by polyether for use, for example SN313 of Henkel KGaA company, NXZ, NDW, and the BYK 024 of Bi Ke company, consumption are the 0.01-0.1% of coating content; Sanitas can be the KATHONLXE of east-Rhom and Hass, and consumption is the 0.1-0.3% of coating content; Mould inhibitor can be the SKANE M-8 of east-Rhom and Hass, the BCM mould inhibitor of Xuzhou insecticide factory, and consumption is the 0.1-0.5% of coating content.The PH conditioning agent is a volatile alkali, for example: ammoniacal liquor, 2-amino-1-propyl alcohol, N-methylmorpholine, N-ethylmorpholine, triethylamine, N, N dimethylethanolamine.Thickening material is polyethers or caustic solubility ACRYLIC EMULSION class associative thickener, the TT935 thickening material of Beijing Orient-Rhom and Hass for example, the Rh-278 thickening material of U.S. Wei Lesi company.Softening water is deionized water or distilled water, the total amount<100ppm of water-soluble substances wherein, specific conductivity<20 μ s/cm.
The present invention makes the method for aforesaid propylene acid nanometer micro-emulsion, and its special character is: may further comprise the steps:
A. add first part of mixture that mixes unsaturated monomer, solvent and initiator in No. 1 reaction vessel, stir, logical nitrogen is warmed up to 80-110 ℃, insulation 1.5-2h; Wherein first part of unsaturated monomer comprises methyl methacrylate, butyl acrylate, butyl methacrylate, methacrylic acid, vinylformic acid, and their weight part is followed successively by: (10-20), (6-20), (0-10), (0-1), (0-1); The weight part of solvent and initiator is followed successively by: (6-10), (0.3-1);
B. second part of mixture that mixes unsaturated monomer, solvent and initiator evenly is added dropwise in No. 1 reaction vessel, the dropping time is 0.5-1h, at 80-110 ℃ of insulation 1-1.5h; Wherein second part of unsaturated monomer comprises methyl methacrylate, butyl acrylate, butyl methacrylate, methacrylic acid, vinylformic acid, and their weight part is followed successively by: (10-20), (6-20), (0-10), (0-1), (0-1); The weight part of solvent and initiator is followed successively by: (6-10), (0.3-1);
C. the 3rd part of mixture that mixes unsaturated monomer, solvent and initiator evenly is added dropwise in No. 1 reaction vessel, the dropping time is 0.5-1h, at 80-110 ℃ of insulation 1.5-2h; Wherein the 3rd part of unsaturated monomer comprises methyl methacrylate, butyl acrylate, butyl methacrylate, methacrylic acid, vinylformic acid, MALEIC ANHYDRIDE, and their weight part is followed successively by: (10-30), (8-20), (0-10), (0-2), (0-2), (0-2); The weight part of solvent and initiator is followed successively by: (8-10), (0.4-1);
D. PH conditioning agent and softening water are joined in No. 2 reaction vessels, stir, the material in No. 1 reaction vessel is transferred in No. 2 reaction vessels stirring and emulsifying 1-2h; Wherein: the weight part of PH conditioning agent and softening water is followed successively by: (3-7), (100-150);
E. the material that obtains among the step D is vacuumized solvent, and filter, the filtering larger particles obtains nanometer acrylic acid microemulsion.
Weight part in the above-mentioned steps all refers to weight part shared in the raw material total amount.In step e, solvent is deviate from, in final product nanometer acrylic acid microemulsion, do not contained solvent substantially.The vacuum tightness that vacuumizes in the step e generally can be 500-700mmHg, and filtration can adopt the 100-150 mesh filter screen to filter, and preferably adopts 120 mesh filter screens.The main component of the nanometer acrylic acid microemulsion that obtains in the step e is an acrylic copolymer, and the number-average molecular weight of this acrylic copolymer is 20000-100000, number average particle size in the 10-100nm scope greater than 95%.
The present invention makes the method for above-mentioned water-thinned heat reflecting and isolating paint, and its special character is: may further comprise the steps:
F. in joining the slurry container, add softening water, auxiliary agent, infrared reflection agent and nanometer acrylic acid microemulsion, stir;
G. add pigment and filler in the compound that in step F, obtains, stir;
H. obtain mill base below the compound that obtains among the step G being ground to fineness 30 μ m;
I. in the paint container, add mill base, cenosphere and conventional ACRYLIC EMULSION, stir;
J. add thickening material in the compound that in step I, obtains, stir;
K. add the PH conditioning agent in the compound that in step J, obtains, regulate pH value to 8-10;
L. the compound that obtains in the step K is filtered, the filtering larger particles obtains water-thinned heat reflecting and isolating paint.
Can adopt the adjustable high-speed dispersion machine to stir among step F, G, I, the J, can adopt ball mill or sand mill to grind among the step H, can adopt the 60-100 mesh filter screen to filter among the step L, preferably adopt 80 mesh filter screens.
Compare with existing solvent-based thermal reflective coating with common coating, the present invention has following advantage: 1. heat reflection and heat-proof quality excellence.Owing to contain infrared reflection agent and cenosphere in the water-thinned heat reflecting and isolating paint of the present invention, the former infrared rays in can reflection ray, the latter's surface can reflection ray, intermediary is hollow can be heat insulation, make water-thinned heat reflecting and isolating paint of the present invention can reflect the solar thermal energy of 50-80%, significantly reduce in the container or room temp.2. safe and convenient to use.Nanometer acrylic acid microemulsion of the present invention and water-thinned heat reflecting and isolating paint are medium with water, do not contain organic solvent and solubility promoter, can not cause environmental pollution, have improved construction environment, have avoided disaster hidden-trouble.3. good decorative property.The base-material of water-thinned heat reflecting and isolating paint of the present invention is conventional ACRYLIC EMULSION and nanometer acrylic acid microemulsion of the present invention, and latter's latex particle size is little, can fill the former emulsion particle gap, obtains the coating of uniform and smooth, high-decoration.4. paint film good combination property.Because in water-thinned heat reflecting and isolating paint of the present invention, conventional ACRYLIC EMULSION and nanometer acrylic acid microemulsion of the present invention are reasonably combined, the film forming densification, paint film adhesion, mechanical property, water tolerance, alkali resistance, weathering resistance are all good.
Every technical indicator of water-thinned heat reflecting and isolating paint of the present invention has has all met or exceeded solvent-based thermal reflective coating level, can replace the solvent-based thermal reflective coating fully, verified this coating is at buildings roof and interior exterior wall, petroleum chemical plant basin, pipeline, surface reflection of facility such as train, boats and ships and isolated solar heat, reducing the internal temperature aspect has good practical function.Substitute common protective coating or solvent-based thermal reflective heat-insulation paint with water-thinned heat reflecting and isolating paint of the present invention, can save energy, the protection environment is obtained huge social benefit and considerable economic.
Embodiment:
Below most preferred embodiment of the present invention is described in detail.
Embodiment 1 to 6:
As shown in table 1, embodiment 1 to 6 is respectively the proportioning raw materials of six kinds of nanometer acrylic acid microemulsions.
Table 1:
Step Raw material Embodiment (g)
1 ?2 ?3 ?4 ?5 ?6
????A Methacrylic acid 8 ?8 ?8 ?8 ?8 ?8
Methyl methacrylate 100 ?150 ?150 ?100 ?200 ?200
Butyl acrylate 150 ?150 ?100 ?200 ?200 ?100
Butyl methacrylate 150 ?100 ?150 ?100 ?0 ?100
Benzoyl peroxide 1.0 ?1.0 ?1.0 ?1.0 ?1.0 ?1.0
Propyl carbinol 7 ?7 ?7 ?7 ?7 ?7
????B Methacrylic acid 12 ?12 ?12 ?12 ?12 ?12
Methyl methacrylate 80 ?110 ?110 ?75 ?150 ?150
Butyl acrylate 110 ?110 ?80 ?150 ?150 ?75
Butyl methacrylate 110 ?80 ?110 ?75 ?0 ?75
Benzoyl peroxide 0.5 ?0.5 ?0.5 ?0.5 ?0.5 ?0.5
Propyl carbinol 8 ?8 ?8 ?8 ?8 ?8
????C Methacrylic acid 20 ?10 ?0 ?0 ?10 ?15
Vinylformic acid 0 ?0 ?20 ?10 ?10 ?0
MALEIC ANHYDRIDE 0 ?10 ?0 ?10 ?0 ?20
Methyl methacrylate 80 ?110 ?110 ?75 ?150 ?150
Butyl acrylate 110 ?110 ?80 ?150 ?150 ?75
Butyl methacrylate 110 ?80 ?110 ?75 ?0 ?75
Benzoyl peroxide 0.5 ?0.5 ?0.5 ?0.5 ?0.5 ?0.5
Propyl carbinol 10 ?10 ?10 ?10 ?10 ?10
????D Triethylamine 3 ?4 ?5 ?3 ?4 ?5
2-amino-1-propyl alcohol 3 ?2 ?1 ?0 ?0 ?0
N, the N dimethylethanolamine 0 ?0 ?0 ?3 ?2 ?1
Softening water 150 ?130 ?110 ?150 ?130 ?110
Benzoyl peroxide is an initiator in the table 1, and propyl carbinol is a solvent, triethylamine, 2-amino-1-propyl alcohol and N, and the N dimethylethanolamine is the PH conditioning agent.
The manufacture method of the nanometer acrylic acid microemulsion of the foregoing description 1 to 6 is that example is described as follows with the manufacture method of embodiment 4 only:
The manufacture method of the nanometer acrylic acid microemulsion of embodiment 4 may further comprise the steps:
A. add first part of mixture that mixes unsaturated monomer, solvent and initiator in No. 1 reaction vessel, stir, logical nitrogen is warmed up to 80-110 ℃, insulation 1.5-2h; Wherein first part of unsaturated monomer comprises methyl methacrylate, butyl acrylate, butyl methacrylate, methacrylic acid, and their weight (g) is followed successively by: 100,200,100,8; Solvent adopts propyl carbinol, and weight is 7g, and initiator adopts benzoyl peroxide, and weight is 1.0g;
B. second part of mixture that mixes unsaturated monomer, solvent and initiator evenly is added dropwise in No. 1 reaction vessel, the dropping time is 0.5-1h, at 80-110 ℃ of insulation 1-1.5h; Wherein second part of unsaturated monomer comprises methyl methacrylate, butyl acrylate, butyl methacrylate, methacrylic acid, and their weight (g) is followed successively by: 75,150,75,12; Solvent adopts propyl carbinol, and weight is 8g, and initiator adopts benzoyl peroxide, and weight is 0.5g;
C. the 3rd part of mixture that mixes unsaturated monomer, solvent and initiator evenly is added dropwise in No. 1 reaction vessel, the dropping time is 0.5-1h, at 80-110 ℃ of insulation 1.5-2h; Wherein the 3rd part of unsaturated monomer comprises methyl methacrylate, butyl acrylate, butyl methacrylate, vinylformic acid, MALEIC ANHYDRIDE, and their weight (g) is followed successively by: 75,150,75,10,10; Solvent adopts propyl carbinol, and weight is 10g, and initiator adopts benzoyl peroxide, and weight is 0.5g;
D. PH conditioning agent and softening water are joined in No. 2 reaction vessels, stir, the material in No. 1 reaction vessel is transferred in No. 2 reaction vessels stirring and emulsifying 1-2h; Wherein: the PH conditioning agent adopts triethylamine and N, the N dimethylethanolamine, and their weight all is 3g, the weight of softening water is 150g;
E. the material that obtains among the step D is vacuumized solvent, the vacuum tightness that vacuumizes is 500-700mmHg, and with 120 order copper strainer filterings, the filtering larger particles obtains nanometer acrylic acid microemulsion.
The performance of six kinds of nanometer acrylic acid microemulsions of the foregoing description 1 to 6 sees Table 2.
Table 2:
Project Embodiment
??1 ??2 ??3 ??4 ??5 ??6
Self-emulsifying Excellent Very Excellent Very Excellent Very
Thermostability Excellent Very Excellent Very Excellent Very
Mechanical stability Excellent Very Excellent Very Excellent Very
Mill efficiency Very Excellent Very Excellent Very Excellent
The paint film water tolerance, h ??120 ??168 ??96 ??120 ??96 ??168
Embodiment 7 to 15:
As shown in table 3, embodiment 7 to 15 is respectively the proportioning raw materials of nine kinds of water-thinned heat reflecting and isolating paints.
Table 3:
Raw material Embodiment (g)
????7 ????8 ????9 ????10 ????11 ????12 ????13 ????14 ????15
Softening water ????215 ????250 ????250 ????205 ????200 ????215 ????210 ????215 ????200
SURFYNOL?GA ????2.0 ????1.5 ????1.5 ????1.0 ????2.0 ????1.5 ????2.0 ????2.0 ????1.5
Dispersion agent 5040 ????1.5 ????2 ????1.5 ????2 ????2 ????2 ????2 ????1.5 ????1.5
Dispersant B yk184 ????2 ????2 ????0 ????0.5 ????3 ????0.5 ????1 ????0 ????2
Defoamer NXZ ????0.3 ????0.1 ????0.2 ????0.2 ????0.3 ????0.1 ????0.2 ????0.3 ????0.1
KATHON?LXE ????2 ????1.5 ????1 ????1.5 ????1.5 ????2 ????1 ????1 ????1
SKANE?M-8 ????1 ????2 ????3 ????2 ????1 ????0 ????1 ????1 ????1
The BCM mould inhibitor ????0 ????0 ????0 ????1 ????2 ????3 ????2 ????2 ????2
Triethylamine ????3 ????2 ????2 ????5 ????5 ????3 ????2 ????2 ????5
Titanium dioxide ????150 ????150 ????150 ????150 ????150 ????50 ????100 ????150 ????0
Red iron oxide ????1.5 ????0 ????0 ????1.5 ????0 ????0 ????0 ????0 ????0
Iron oxide yellow ????0 ????1.5 ????1.5 ????0 ????0 ????0 ????0 ????0 ????0
Organic yellow ????0 ????0 ????0.5 ????0 ????0 ????30 ????15 ????6 ????30
Phthalein green grass or young crops is red ????0 ????0 ????0 ????0.5 ????0 ????10 ????5 ????2 ????10
Phthalocyanine blue ????0 ????0 ????0 ????0 ????0.1 ????10 ????5 ????2 ????10
The infrared reflection agent ????0.2 ????0.4 ????0.6 ????0.8 ????0.8 ????1.0 ????0.8 ????0.6 ????1.0
Hollow glass micropearl ????5 ????7 ????10 ????0 ????0 ????0 ????2 ????3 ????5
Pearl floats in power plant ????0 ????0 ????0 ????6 ????8 ????10 ????3 ????4 ????5
Process white ????150 ????150 ????150 ????150 ????150 ????270 ????220 ????180 ????350
The micronized talc powder ????120 ????120 ????120 ????120 ????120 ????100 ????100 ????100 ????100
Self-control 1 #Emulsion ????150 ????00 ????0 ????0 ????150 ????0 ????0 ????0 ????650
Self-control 2 #Emulsion ????0 ????150 ????0 ????0 ????0 ????150 ????0 ????0 ????0
Self-control 4 #Emulsion ????0 ????0 ????175 ????0 ????0 ????0 ????175 ????0 ????0
Self-control 6 #Emulsion ????0 ????0 ????0 ????200 ????0 ????0 ????0 ????200 ????250
The B-96 emulsion ????150 ????150 ????175 ????200 ????0 ????0 ????0 ????0 ????150
The AC-261 emulsion ????0 ????0 ????0 ????0 ????150 ????150 ????175 ????200 ????100
The TT-935 thickening material ????10 ????8 ????6 ????0 ????0 ????0 ????7 ????6 ????5
The Rh-278 thickening material ????0 ????0 ????0 ????10 ????8 ????6 ????3 ????2 ????1
SURFYNOL GA in the table 3, dispersion agent 5040, dispersant B yk184, defoamer NXZ, KATHON LXE, SKANE M-8 and BCM mould inhibitor are auxiliary agent; Triethylamine is the PH conditioning agent; The blue or green red and phthalocyanine blue of titanium dioxide, red iron oxide, iron oxide yellow, organic yellow, phthalein is a pigment; It is cenosphere that pearl floats in hollow glass micropearl and power plant; Process white and micronized talc powder are filler; Self-control 1 #Emulsion, self-control 2 #Emulsion, self-control 4 #Emulsion and self-control 6 #Emulsion is respectively the nanometer acrylic acid microemulsion of making according to the composition of raw materials of the foregoing description 1, embodiment 2, embodiment 4 and embodiment 6; B-96 emulsion and AC-261 emulsion are conventional ACRYLIC EMULSION; TT-935 thickening material and Rh-278 thickening material are thickening material.
The manufacture method of the water-thinned heat reflecting and isolating paint of the foregoing description 7 to 15 is that example is described as follows with the manufacture method of embodiment 7 only:
The manufacture method of the water-thinned heat reflecting and isolating paint of embodiment 7 may further comprise the steps:
F. in joining the slurry container, add softening water, auxiliary agent, infrared reflection agent and nanometer acrylic acid microemulsion, stir with the adjustable high-speed dispersion machine; Softening water 215g wherein, auxiliary agent comprises SURFYNOL GA, dispersion agent 5040, dispersant B yk184, defoamer NXZ, KATHONLXE, SKANE M-8, be respectively 2.0g, 1.5g, 2g, 0.3g, 2g, 1g, infrared reflection agent 0.2g, the nanometer acrylic acid microemulsion 150g that the composition of raw materials of employing embodiment 1 is made;
G. add pigment and filler in the compound that in step F, obtains, stir with the adjustable high-speed dispersion machine; Wherein pigment comprises titanium dioxide, red iron oxide, is respectively 150g, 1.5g, and filler comprises process white and micronized talc powder, is respectively 150g, 120g;
H. the compound that obtains among the step G is obtained mill base with ball mill grinding to fineness 30 μ m;
I. in the paint container, add mill base, cenosphere and the conventional ACRYLIC EMULSION that obtains among the step H, stir with the adjustable high-speed dispersion machine; Cenosphere adopts hollow glass micropearl, and weight is 5g, and conventional ACRYLIC EMULSION adopts the B-96 emulsion, and weight is 150g;
J. add thickening material in the compound that in step I, obtains, stir with the adjustable high-speed dispersion machine; Thickening material adopts the TT-935 thickening material, and weight is 10g;
K. add the PH conditioning agent in the compound that in step J, obtains, regulate pH value to 8-10; The PH conditioning agent adopts triethylamine, and weight is 3g;
L. the compound that obtains in the step K is adopted 80 order copper strainer filterings, the filtering larger particles obtains water-thinned heat reflecting and isolating paint.
The performance of nine kinds of water-thinned heat reflecting and isolating paints of the foregoing description 7 to 15 sees Table 4.
Table 4:
Project Embodiment
7 ??8 ??9 ??10 ?11 ??12 ??13 ??14 ??15
Appearance of coat Qualified Qualified Qualified Qualified Qualified Qualified Qualified Qualified Qualified
Viscosity, s,> 30 ??30 ??30 ??30 ?30 ??30 ??30 ??30 ??30
Time of drying Surface drying, h 2 ??2 ??2 ??2 ?2 ??2 ??2 ??2 ??2
Do solid work h 24 ??24 ??24 ??24 ?24 ??24 ??24 ??24 ??24
Sticking power, level 1 ??1 ??1 ??1 ?1 ??1 ??1 ??1 ??1
Shock-resistant, Kg.cm 40 ??40 ??40 ??40 ?40 ??40 ??40 ??40 ??40
Snappiness, mm 2 ??2 ??2 ??2 ?2 ??2 ??2 ??2 ??2
Water-fast, 96h By By By By By By By By By
The solar heat reflection rate, % 73 ??71 ??71 ??72 ?59 ??63 ??65 ??69 ??56
Freeze-thawing resistant, cycle number 5 ??5 ??5 ??5 ?5 ??5 ??5 ??5 ??5

Claims (10)

1. nanometer acrylic acid microemulsion, it is characterized in that: its raw material contains:
The raw material weight ratio
Methyl methacrylate 30-70
Butyl acrylate 20-60
And/or butyl methacrylate 0-30
And/or methacrylic acid 0-4
And/or vinylformic acid 0-4
And/or MALEIC ANHYDRIDE 0-2
Initiator 1-3
PH conditioning agent 3-7
Solvent 20-30
Softening water 100-150.
2. contain the water-thinned heat reflecting and isolating paint of the described nanometer acrylic acid microemulsion of claim 1, it is characterized in that: its raw material contains:
The raw material weight ratio
Nanometer acrylic acid microemulsion 15-25
Conventional ACRYLIC EMULSION 15-25
Pigment 1-20
Filler 5-20
Infrared reflection agent 0.1-1
Cenosphere 1-10
Auxiliary agent 0.5-2.5
PH conditioning agent 0.1-0.5
Thickening material 0.2-1.5
Softening water 20-40.
3. water-thinned heat reflecting and isolating paint according to claim 2 is characterized in that: cenosphere comprises that hollow ceramic microspheres, hollow glass micropearl and power plant float one or more in the pearl.
4. water-thinned heat reflecting and isolating paint according to claim 3 is characterized in that: hollow glass micropearl is to be that raw material makes with the low boron glass of degree of hydrolysis.
5. water-thinned heat reflecting and isolating paint according to claim 2 is characterized in that: pigment comprises that iron oxide black, red iron oxide, iron oxide yellow, titanium dioxide, phthalein green grass or young crops are red, in phthalocyanine blue and the organic yellow one or more.
6. water-thinned heat reflecting and isolating paint according to claim 2 is characterized in that: filler comprises one or more in light calcium carbonate, process white, talcum powder and the mica powder.
7. water-thinned heat reflecting and isolating paint according to claim 2 is characterized in that: the infrared reflection agent is the nano-scale oxide micro mist of nanometer titanium dioxide micropowder and/or noble ruthenium, rhodium, iridium.
8. water-thinned heat reflecting and isolating paint according to claim 2 is characterized in that: thickening material is polyethers and/or caustic solubility ACRYLIC EMULSION class associative thickener.
9. make the method for the described nanometer acrylic acid microemulsion of claim 1, it is characterized in that: may further comprise the steps:
A. add first part of mixture that mixes unsaturated monomer, solvent and initiator in No. 1 reaction vessel, stir, logical nitrogen is warmed up to 80-110 ℃, insulation 1.5-2h; Wherein first part of unsaturated monomer comprises methyl methacrylate, butyl acrylate, butyl methacrylate, methacrylic acid, vinylformic acid, and their weight part is followed successively by: (10-20), (6-20), (0-10), (0-1), (0-1); The weight part of solvent and initiator is followed successively by: (6-10), (0.3-1);
B. second part of mixture that mixes unsaturated monomer, solvent and initiator evenly is added dropwise in No. 1 reaction vessel, the dropping time is 0.5-1h, at 80-110 ℃ of insulation 1-1.5h; Wherein second part of unsaturated monomer comprises methyl methacrylate, butyl acrylate, butyl methacrylate, methacrylic acid, vinylformic acid, and their weight part is followed successively by: (10-20), (6-20), (0-10), (0-1), (0-1); The weight part of solvent and initiator is followed successively by: (6-10), (0.3-1);
C. the 3rd part of mixture that mixes unsaturated monomer, solvent and initiator evenly is added dropwise in No. 1 reaction vessel, the dropping time is 0.5-1h, at 80-110 ℃ of insulation 1.5-2h; Wherein the 3rd part of unsaturated monomer comprises methyl methacrylate, butyl acrylate, butyl methacrylate, methacrylic acid, vinylformic acid, MALEIC ANHYDRIDE, and their weight part is followed successively by: (10-30), (8-20), (0-10), (0-2), (0-2), (0-2); The weight part of solvent and initiator is followed successively by: (8-10), (0.4-1);
D. PH conditioning agent and softening water are joined in No. 2 reaction vessels, stir, the material in No. 1 reaction vessel is transferred in No. 2 reaction vessels stirring and emulsifying 1-2h; Wherein: the weight part of PH conditioning agent and softening water is followed successively by: (3-7), (100-150);
E. the material that obtains among the step D is vacuumized solvent, and filter, the filtering larger particles obtains nanometer acrylic acid microemulsion.
10. make the method for the described water-thinned heat reflecting and isolating paint of claim 2, it is characterized in that: may further comprise the steps:
F. in joining the slurry container, add softening water, auxiliary agent, infrared reflection agent and nanometer acrylic acid microemulsion, stir;
G. add pigment and filler in the compound that in step F, obtains, stir;
H. obtain mill base below the compound that obtains among the step G being ground to fineness 30 μ m;
I. in the paint container, add mill base, cenosphere and conventional ACRYLIC EMULSION, stir;
J. add thickening material in the compound that in step I, obtains, stir;
K. add the PH conditioning agent in the compound that in step J, obtains, regulate pH value to 8-10;
L. the compound that obtains in the step K is filtered, the filtering larger particles obtains water-thinned heat reflecting and isolating paint.
CNB021099693A 2002-01-06 2002-01-06 Nanometer acrylic acid microemulsion, water-thinned heat reflecting and isolating paint and their production process Expired - Fee Related CN1176119C (en)

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CN103173078A (en) * 2013-02-26 2013-06-26 安徽真信涂料有限公司 Environment-friendly exterior wall coating and preparation method thereof
CN103145908A (en) * 2013-03-25 2013-06-12 京东方科技集团股份有限公司 Alkali soluble resin as well as preparation method and application thereof
CN103173083A (en) * 2013-04-15 2013-06-26 无锡市太湖防腐材料有限公司 Long-acting reflection heat insulation coating and preparation method thereof
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CN115109487A (en) * 2022-06-22 2022-09-27 四川轻化工大学 Preparation method of nickel ferrite-based/water-based polyacrylate wave-absorbing coating
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