CN104946058A - Energy-saving type building outer wall coating - Google Patents
Energy-saving type building outer wall coating Download PDFInfo
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- CN104946058A CN104946058A CN201510425609.8A CN201510425609A CN104946058A CN 104946058 A CN104946058 A CN 104946058A CN 201510425609 A CN201510425609 A CN 201510425609A CN 104946058 A CN104946058 A CN 104946058A
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Abstract
The invention belongs to an energy-saving type building outer wall coating and a preparation method thereof, and relates to the field of coating production. The prepared coating comprises 40-60 parts of polymer emulsion, 10-30 parts of titanium dioxide nano powder, 10-30 parts of padding, one to five parts of coalescing agents, one to five parts of hydrophobic promoters, five to 15 parts of solvents, 0.2-0.8 part of dispersing agents, 0.1-0.2 part of antifoaming agents, 0.1-0.2 part of wetting agents, six to nine parts of putty and 10-20 parts of water. The polymer emulsion is a mixture of fluorocarbon emulsion and organosilicone modified acrylic emulsion. After the hydrophobic promoters, the padding and the solvents are mixed and react, suspension liquid is removed through filter to obtain the modified padding, after the modified padding, the polymer emulsion, the titanium dioxide nano powder, the dispersing agents, the antifoaming agents, the wetting agents and the water are evenly mixed according to the proportion, polymer powder, the putty and modified floating beads are added to be stirred evenly, and the energy-saving type building outer wall coating is prepared. Waterproofness and soiling resistance of the produced coating can be improved, the weather fastness and heat insulation property of the coating are improved, and energy saving and environmental protection are achieved.
Description
Technical field
The present invention relates to coating material production field, particularly a kind of energy-saving building exterior coating is produced.
Background technology
External wall often selects face brick, mosaic, glass curtain wall and coating etc. to carry out beautifying and decorating.Become easily infected by the greasy dirt in air due to coating and easily stay water stain after being subject to erosion by wind and rain, have impact on the aesthetic feeling of buildings to a great extent, so face brick, mosaic and glass curtain wall etc. occupy the principal market of existing building decoration of exterior wall thing.But high-rise adopts the decoration of exterior wall things such as face brick, mosaic, glass curtain wall can cause potential safety hazard, there is active demand in market for the coating with the dirty performance of waterproof and oilproof.
CN 102732079 A (2012.10.17) discloses a kind of compound method of exterior coating, and the coating resistance to soiling of the method preparation promotes limited.
Summary of the invention
The object of the invention is to overcome the difficult problem that existing coating can not improve indoor environment, solved the problem by innovation indoor paint compound method.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
A kind of energy-saving building exterior coating, is characterized in that this coating comprises the component of following weight part: polymer emulsion 40-60 part, titanic oxide nano 10-30 part, filler 10-30 part, polymer powder 1-4 part, film coalescence aid 1-5 part, hydrophobic auxiliary agent 1-5 part, solvent 5-15 part, dispersion agent 0.2-0.8 part, defoamer 0.1-0.2 part, wetting agent 0.1-0.2 part, putty 6-9 part, modification drift pearl 3-6 part; Water 10-20 part; Described polymer emulsion is fluorine carbon emulsion and organosilicon-modified acrylic emulsion mixture;
The alumina sol that described putty comprises lightweight clay brick 30-50 part by weight, perlite 10-15 part, high-alumina cement 6-9 part, mullite 12-18 part, wilkinite 10-15 part, szaibelyite 2-4 part, poly carboxylic acid ammonium salt 1-3 part, silicon third latex 3-5 part, silicon powder 5-8 part, flaxen fiber or viscose fiber 5-10 part, water glass 8-18 part, polymer dispersion powder 4-6 part, in mass ratio 1:1 are combined into and silicon dioxide gel composite suspension liquid 10-15 part;
Described polymer powder is modified polyethylene and polypropylene miser; Concrete modification is be the ultrahigh molecular weight polyethylene(UHMWPE) of 400-700 ten thousand and 15-25 part molecular weight toward 30-60 part molecular weight is by weight add aluminium dihydrogen phosphate 4-9 part, C in the base-material of the high density poly propylene composition of 100-140 ten thousand
12h
25sO
3na 0.5-4 part, terpolymer EP rubber EPDM 3-4 part, aluminate coupling agent 6-8 part and phosphorous acid ester 2-3 part, mediate 40-50min in Banbury mixer at 110-120 DEG C;
After hydrophobic auxiliary agent, filler and solvent are reacted, cross and filter suspension and obtain modified filler, after subsequently modified filler, polymer emulsion, titanic oxide nano, dispersion agent, defoamer, wetting agent and water being mixed in proportion, add described polymer powder, putty and modification drift pearl and stir, obtained energy-saving building exterior coating.
Contriver finds, existing exterior coating vulnerable to pollution major cause is that used coating hydrophobicity is little, and rainwater easily gathers, and the good organosilicon-modified acrylic emulsion coating of water resistance does not possess oil rub resistance ability and the weak weathering resistance of sticking power is poor; Fluorine carbon emulsion coating water-proof oil rub resistance performance is given prominence to, but with high costs.For the deficiency of existing exterior coating, organosilicon-modified acrylic emulsion coating and fluorine carbon emulsion mixing are also obtained optimum proportion by contriver by experiment, the coating hydrophobicity adopting fluorine carbon emulsion and organosilicon-modified acrylic emulsion to prepare strengthens, and has the water resistance similar with lotus leaf.In coating, add hydrophobically modified filler, nano material strengthens the hydrophobicity of coating and sticking power.Titanic oxide nano or excellent photocatalyst, the efficient oxidation degraded can be attached to the greasy dirt of coating surface.
Putty of the present invention after testing, in cohesive strength, standard state is issued to 1.0MPa, after freeze-thaw cycle 5 times, the cohesive strength of putty reaches 1.23MPa, the cohesive strength under the state that is above standard, and embodies the performance having good weathering resistance Yu overcome external stress, can be widely used in external wall reconstruction renovation, the use for coating provides soft and smooth bottom surface base material.
As preferably, described modification drift pearl is made up of method A:
Method A: fly ash float is sent in the Efficient powder mixing machine of band fog-spray nozzle, under stirring at normal temperature, quantitatively spray into the modification drift pearl special sizing agent prepared in advance, the complete rear continuation of pulp spraying stirs 20-30min, discharging, toasts at 95-105 DEG C, storing temperature controls as 80-95 DEG C, time controling is 10-15min, cooling, sieving and grading;
Described modification drift pearl special sizing agent is made by method B; Method B comprises the following steps:
The high-speed stirring of carrying out under 1000-2000rpm condition after 1. titanium dioxide, water and auxiliary agent being mixed;
2. drop in shredder after stirring and grind, obtain Titanium dioxide slurry;
3. the moderate-speed mixer will carried out under 500-1000rpm condition after Titanium dioxide slurry and aqueous epoxy emulsion mixing, obtains titanium dioxide resin slurry after stirring evenly;
The stirring at low speed of carrying out under 100-500rpm condition after 4. adding auxiliary agent in titanium dioxide resin slurry, obtains modification drift pearl special sizing agent after stirring evenly.
The present invention from economic considerations, substitutes ceramic hollow microballon with fly ash float, have employed titanium dioxide spraying coating process simultaneously, and solve the color problem of drift pearl, and float the sticking power of pearl at metope much larger than ceramic hollow microballon, possess skills advantage; With exterior coating with the use of the effect with reflective insulation, reduce house and be heated, thus reduce the use of room conditioning.
By the high speed of specific proportioning and different steps, middling speed and stirring at low speed, stable modification drift pearl special sizing agent can being prepared, to improving the water-retentivity of energy-saving building exterior wall texture thermal insulating coating, cohesiveness, alkali resistance and environmental protection thermal insulation, there is important effect.
As preferably, in polymer emulsion, fluorine carbon emulsion and organosilicon-modified acrylic emulsion ratio are 1:3-9; Pure fluorine carbon emulsion can be degraded organism such as the greasy dirt that is attached to metope but expensive, and pure organosilicon-modified acrylic emulsion does not possess oil-stain-preventing performance, in organosilicon-modified acrylic emulsion, add appropriate fluorine carbon emulsion can reduce coating cost and can play oil-stain-preventing effect again.
As preferably, described titanic oxide nano is rutile titanium dioxide nano powder or anatase titanium dioxide nano powder, or rutile titanium dioxide nano powder and anatase titanium dioxide nano powder mixture; Titanic oxide nano oxidative degradation can be attached to the organism on its surface as greasy dirt etc. under photochemical catalysis; Titanic oxide nano forms small embossment post at coating surface and contributes to strengthening coating surface hydrophobicity, contributes to the water resistance strengthening coating; In addition, in coating, add the sticking power that titanic oxide nano contributes to strengthening polymer emulsion.
As preferably, described filler is silica nanometer powder.Silica nanometer powder contributes to strengthening the water resistance of coating and the sticking power of polymer emulsion equally.
As preferably, described film coalescence aid is for being propylene glycol or ethylene glycol phenyl ether.
As preferably, described hydrophobic auxiliary agent is one or more in silicone oil, alkylsiloxane and silane coupling agent.Hydrophobic auxiliary agent contributes to the water resistance strengthening coating.
As preferably, described solvent is dimethylbenzene.
As preferably, described defoamer is silicone antifoam agent.
As preferably, the reaction of described hydrophobic auxiliary agent, filler and solvent under 60-120 DEG C of condition not section stirred.Modified filler can strengthen its hydrophobic performance.
In sum, the present invention has following beneficial effect:
1, fluorine carbon emulsion can play effect of waterproof and oilproof dirt after mixing with proper ratio with organosilicon-modified acrylic emulsion, can reduce production cost again.
2, the titanic oxide nano that the present invention adds in coating has excellent photocatalysis performance, oxygenolysis can be attached to the greasy dirt of coating surface.
3, in coating, titanic oxide nano and silica nanometer powder can strengthen the hydrophobic performance of coating surface.
4, in coating, titanic oxide nano and silica nanometer powder can increase coating in the sticking power of surface of wall, promote its weathering resistance.
Embodiment
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification sheets, as long as but be all subject to the protection of patent law in right of the present invention.
Formula of putty one: comprise polymer powder 10 parts by weight, alumina sol that lightweight clay brick 30 parts, perlite 10 parts, high-alumina cement 6 parts, mullite 12 parts, wilkinite 10 parts, szaibelyite 2 parts, poly carboxylic acid ammonium salt 1 part, silicon third latex 3 parts, silicon powder 5 parts, viscose fiber 5 parts, water glass 8 parts, polymer dispersion powder 4 parts, in mass ratio 1:1 are combined into and silicon dioxide gel composite suspension liquid 15 parts; Sizing material 7 parts.
Wherein, the alumina content in lightweight clay brick is 35%;
Dioxide-containing silica in perlite is 55%;
Alumina content in high-alumina cement is 40%;
Mullite is M45 mullite;
The granularity of lightweight clay brick, perlite, high-alumina cement and/or M45 mullite is 0.4mm.
Formula of putty two: comprise polymer powder 5 parts by weight, alumina sol that lightweight clay brick 50 parts, perlite 15 parts, high-alumina cement 9 parts, mullite 18 parts, wilkinite 15 parts, szaibelyite 4 parts, poly carboxylic acid ammonium salt 3 parts, silicon third latex 5 parts, silicon powder 8 parts, 10 parts, flaxen fiber, water glass 18 parts, polymer dispersion powder 6 parts, in mass ratio 1:1 are combined into and silicon dioxide gel composite suspension liquid 10 parts; Sizing material 4 parts.
Wherein, the alumina content in lightweight clay brick is 45%;
Dioxide-containing silica in perlite is 65%;
Alumina content in high-alumina cement is 50%;
Mullite is M45 mullite;
The granularity of lightweight clay brick, perlite, high-alumina cement and/or M45 mullite is 0.8mm.
Formula of putty three: comprise polymer powder 8 parts by weight, alumina sol that lightweight clay brick 38 parts, perlite 12 parts, high-alumina cement 7 parts, mullite 15 parts, wilkinite 13 parts, szaibelyite 3 parts, poly carboxylic acid ammonium salt 2 parts, silicon third latex 4 parts, silicon powder 7 parts, 8 parts, flaxen fiber, water glass 12 parts, polymer dispersion powder 5 parts, in mass ratio 1:1 are combined into and silicon dioxide gel composite suspension liquid 12 parts; Sizing material 6 parts.
Wherein, the alumina content in lightweight clay brick is 40%;
Dioxide-containing silica in perlite is 60%;
Alumina content in high-alumina cement is 45%;
Mullite is M45 mullite;
The granularity of lightweight clay brick, perlite, high-alumina cement and/or M45 mullite is 0.5mm.
embodiment 1
Constantly stir 1.5 hours under 60 DEG C of conditions after hydrophobic auxiliary agent 1 part, 10 parts, silica nanometer powder and dimethylbenzene 5 parts are mixed, then cross and filter suspension and obtain modified filler, subsequently by modified filler 10 parts, polymer emulsion 40 parts (fluorine carbon emulsion 10 parts, organosilicon-modified acrylic breast 30 parts), titanic oxide nano 10 parts, dispersion agent 0.2 part, silicone antifoam agent 0.1 part, wetting agent 0.1 part and 10 parts, water mixes in proportion, add polymer powder 4 parts more successively, putty 7 parts, modification drift 5 parts, pearl also mixes, obtained coating.
Formula of putty is with Formula of putty one;
Wherein polymer powder is modified polyethylene and polypropylene miser; Concrete modification is be the ultrahigh molecular weight polyethylene(UHMWPE) of 400-700 ten thousand and 15 parts of molecular weight toward 30 parts of molecular weight is by weight add aluminium dihydrogen phosphate 4 parts, C in the base-material of the high density poly propylene composition of 100-140 ten thousand
12h
25sO
3na 0.5 part, terpolymer EP rubber EPDM 3 parts, aluminate coupling agent 6 parts and phosphorous acid ester 3 parts, mediate 40min in Banbury mixer at 110 DEG C.
Pearl is made up of method A in modification drift:
Method A: fly ash float is sent in the Efficient powder mixing machine of band fog-spray nozzle, under stirring at normal temperature, quantitatively spray into the modification drift pearl special sizing agent prepared in advance, the complete rear continuation of pulp spraying stirs 20min, discharging, toasts at 95 DEG C, it is 80 DEG C that storing temperature controls, time controling is 15min, cooling, sieving and grading.
Modification drift pearl special sizing agent is made by method B; Method B comprises the following steps:
The high-speed stirring of carrying out under 1000rpm condition after 1. titanium dioxide, water and auxiliary agent being mixed;
2. drop in shredder after stirring and grind, obtain Titanium dioxide slurry;
3. the moderate-speed mixer will carried out under 500rpm condition after Titanium dioxide slurry and aqueous epoxy emulsion mixing, obtains titanium dioxide resin slurry after stirring evenly;
The stirring at low speed of carrying out at 100 rpm after 4. adding auxiliary agent in titanium dioxide resin slurry, obtains modification drift pearl special sizing agent after stirring evenly.
In step B, auxiliary agent is made up of the component of following mass parts:
Lauryl alcohol ester 0.8 mass parts
Polyacrylate 0.8 mass parts
Flow agent 0.7 mass parts
Thickening material 0.2 mass parts
Frostproofer 2.0 mass parts
Defoamer 0.3 mass parts.
embodiment 2
Constantly stir 2 hours under 90 DEG C of conditions after hydrophobic auxiliary agent 3 parts, 20 parts, silica nanometer powder and dimethylbenzene 10 parts are mixed, then cross and filter suspension and obtain modified filler, subsequently by modified filler 20 parts, polymer emulsion 50 parts (fluorine carbon emulsion 12.5 parts, organosilicon-modified acrylic breast 37.5 parts), titanic oxide nano 20 parts, dispersion agent 0.5 part, silicone antifoam agent 0.2 part, wetting agent 0.2 part and 15 parts, water mixes in proportion, add polymer powder 1 part more successively, putty 9 parts, modification drift 3 parts, pearl also mixes, obtained coating.
Wherein polymer powder is modified polyethylene and polypropylene miser; Concrete modification is be the ultrahigh molecular weight polyethylene(UHMWPE) of 400-700 ten thousand and 25 parts of molecular weight toward 60 parts of molecular weight is by weight add aluminium dihydrogen phosphate 9 parts, C in the base-material of the high density poly propylene composition of 100-140 ten thousand
12h
25sO
3na 4 parts, terpolymer EP rubber EPDM 4 parts, aluminate coupling agent 8 parts and phosphorous acid ester 2 parts, mediate 50min in Banbury mixer at 120 DEG C.
Formula of putty is with Formula of putty two;
Pearl is made up of method A in modification drift:
Method A: fly ash float is sent in the Efficient powder mixing machine of band fog-spray nozzle, under stirring at normal temperature, quantitatively spray into the modification drift pearl special sizing agent prepared in advance, the complete rear continuation of pulp spraying stirs 30min, discharging, toasts at 105 DEG C, it is 95 DEG C that storing temperature controls, time controling is 10min, cooling, sieving and grading.
Modification drift pearl special sizing agent is made by method B; Method B comprises the following steps:
The high-speed stirring of carrying out under 2000rpm condition after Rutile type Titanium Dioxide, water and auxiliary agent are mixed;
Drop in shredder after stirring and grind, obtain Titanium dioxide slurry;
By the moderate-speed mixer carried out under 1000rpm condition after Titanium dioxide slurry and aqueous epoxy emulsion mixing, after stirring evenly, obtain titanium dioxide resin slurry;
The stirring at low speed of carrying out under 500rpm condition add auxiliary agent in titanium dioxide resin slurry after, obtains modification drift pearl special sizing agent after stirring evenly.
In step B, auxiliary agent is made up of the component of following mass parts:
Lauryl alcohol ester 1.2 mass parts
Polyacrylate 0.5 mass parts
Flow agent 0.1 mass parts
Thickening material 0.1 mass parts
Frostproofer 1.0 mass parts
Defoamer 0.2 mass parts.
embodiment 3
Constantly stir 2 hours under 90 DEG C of conditions after hydrophobic auxiliary agent 3 parts, 20 parts, silica nanometer powder and dimethylbenzene 10 parts are mixed, then cross and filter suspension and obtain modified filler, subsequently by modified filler 20 parts, polymer emulsion 50 parts (fluorine carbon emulsion 11 parts, organosilicon-modified acrylic breast 39 parts), titanic oxide nano 20 parts, dispersion agent 0.5 part, silicone antifoam agent 0.2 part, wetting agent 0.2 part and 15 parts, water mixes in proportion, add polymer powder 2 parts more successively, putty 7 parts, modification drift 6 parts, pearl also mixes, obtained coating.
Wherein polymer powder is modified polyethylene and polypropylene miser; Concrete modification is be the ultrahigh molecular weight polyethylene(UHMWPE) of 400-700 ten thousand and 20 parts of molecular weight toward 50 parts of molecular weight is by weight add aluminium dihydrogen phosphate 5 parts, C in the base-material of the high density poly propylene composition of 100-140 ten thousand
12h
25sO
3na 3 parts, terpolymer EP rubber EPDM 3.5 parts, aluminate coupling agent 7 parts and phosphorous acid ester 2.5 parts, mediate 45min in Banbury mixer at 115 DEG C.
Formula of putty is with Formula of putty three;
Pearl is made up of method A in modification drift:
Method A: fly ash float is sent in the Efficient powder mixing machine of band fog-spray nozzle, under stirring at normal temperature, quantitatively spray into the modification drift pearl special sizing agent prepared in advance, the complete rear continuation of pulp spraying stirs 25min, discharging, toasts at 100 DEG C, it is 85 DEG C that storing temperature controls, time controling is 12min, cooling, sieving and grading.
Modification drift pearl special sizing agent is made by method B; Method B comprises the following steps:
The high-speed stirring of carrying out under 1300rpm condition after Rutile type Titanium Dioxide, water and auxiliary agent are mixed;
Drop in shredder after stirring and grind, obtain Titanium dioxide slurry;
By the moderate-speed mixer carried out under 700rpm condition after Titanium dioxide slurry and aqueous epoxy emulsion mixing, after stirring evenly, obtain titanium dioxide resin slurry;
The stirring at low speed of carrying out under 300rpm condition add auxiliary agent in titanium dioxide resin slurry after, obtains modification drift pearl special sizing agent after stirring evenly.
In step B, auxiliary agent is made up of the component of following mass parts:
Lauryl alcohol ester 1.1 mass parts
Polyacrylate 0.7 mass parts
Flow agent 0.5 mass parts
Thickening material 0.12 mass parts
Frostproofer 1.5 mass parts
Defoamer 0.23 mass parts.
embodiment 4
By hydrophobic auxiliary agent 3 parts, constantly stir 2 hours under 90 DEG C of conditions after 20 parts, silica nanometer powder and dimethylbenzene 10 parts mixing, then cross and filter suspension and obtain modified filler, subsequently by modified filler 20 parts, polymer emulsion 50 parts (fluorine carbon emulsion 10 parts, organosilicon-modified acrylic breast 40 parts), titanic oxide nano 20 parts, dispersion agent 0.5 part, silicone antifoam agent 0.2 part, wetting agent 0.2 part and 15 parts, water mix in proportion, add the polymer powder 3 parts that embodiment 1 is obtained more successively, to fill a prescription 2 putty 6 parts, modification drift 6 parts, pearl also mixes, obtained coating.
embodiment 5
By hydrophobic auxiliary agent 3 parts, constantly stir 2 hours under 90 DEG C of conditions after 20 parts, silica nanometer powder and dimethylbenzene 10 parts mixing, then cross and filter suspension and obtain modified filler, subsequently by modified filler 20 parts, polymer emulsion 50 parts (fluorine carbon emulsion 9 parts, organosilicon-modified acrylic breast 41 parts), titanic oxide nano 20 parts, dispersion agent 0.5 part, silicone antifoam agent 0.2 part, wetting agent 0.2 part and 15 parts, water mix in proportion, add the polymer powder 4 parts that embodiment 2 is obtained more successively, to fill a prescription 3 putty 9 parts, modification drift 3 parts, pearl also mixes, obtained coating.
embodiment 6
By hydrophobic auxiliary agent 5 parts, constantly stir 3 hours under 120 DEG C of conditions after 30 parts, silica nanometer powder and dimethylbenzene 15 parts mixing, then cross and filter suspension and obtain modified filler, subsequently by modified filler 30 parts, polymer emulsion 60 parts (fluorine carbon emulsion 6 parts, organosilicon-modified acrylic breast 54 parts), titanic oxide nano 30 parts, dispersion agent 0.8 part, silicone antifoam agent 0.2 part, wetting agent 0.2 part and 20 parts, water mix in proportion, add the polymer powder 1 part that embodiment 3 is obtained more successively, to fill a prescription 1 putty 7 parts, modification drift 3 parts, pearl also mixes, obtained coating.
comparative example 1
Kaolin 15 parts, talcum powder 20 parts, organosilicon-modified acrylic breast 60 parts, titanium dioxide 30 parts, dispersion agent 0.8 part, silicone antifoam agent 0.2 part, wetting agent 0.2 part and 20 parts, water are mixed, obtained coating.
comparative example 2
Kaolin 25 parts, talcum powder 10 parts, organosilicon-modified acrylic breast 50 parts, titanic oxide nano 30 parts, dispersion agent 0.8 part, silicone antifoam agent 0.2 part, wetting agent 0.2 part and 20 parts, water are mixed, obtained coating.
Table 1 embodiment product compares with comparative example's product performance
As can be seen from the table compared to comparative example 1, because make paint adhesion significantly strengthen adding of titanic oxide nano in embodiment and comparative example 2, contact angle increases water resistance is strengthened, and oil stain decomposition ability significantly promotes; Compared to comparative example 1 and 2, because adding of fluorine carbon emulsion makes its sticking power strengthen further in embodiment, oil stain decomposition ability obviously promotes.Compare with 5 with embodiment 4, in embodiment 2,3, coating is comparatively strong to oil stain decomposition ability, and this shows that the ratio of fluorine carbon emulsion in polymer emulsion promotes the greasy dirt degradation capability being conducive to promoting coating.But in embodiment 2 and 3, coating is suitable to oil stain decomposition ability, and this shows that, after the ratio of fluorine carbon emulsion reaches certain limit in polymer emulsion, the degradation capability of coating no longer changes, and the ratio of the best fluorine carbon emulsion that we obtain by experiment is 22%.
Claims (10)
1. an energy-saving building exterior coating, is characterized in that this coating comprises the component of following weight part: polymer emulsion 40-60 part, titanic oxide nano 10-30 part, filler 10-30 part, polymer powder 1-4 part, film coalescence aid 1-5 part, hydrophobic auxiliary agent 1-5 part, solvent 5-15 part, dispersion agent 0.2-0.8 part, defoamer 0.1-0.2 part, wetting agent 0.1-0.2 part, putty 6-9 part, modification drift pearl 3-6 part; Water 10-20 part; Described polymer emulsion is fluorine carbon emulsion and organosilicon-modified acrylic emulsion mixture;
The alumina sol that described putty comprises lightweight clay brick 30-50 part by weight, perlite 10-15 part, high-alumina cement 6-9 part, mullite 12-18 part, wilkinite 10-15 part, szaibelyite 2-4 part, poly carboxylic acid ammonium salt 1-3 part, silicon third latex 3-5 part, silicon powder 5-8 part, flaxen fiber or viscose fiber 5-10 part, water glass 8-18 part, polymer dispersion powder 4-6 part, in mass ratio 1:1 are combined into and silicon dioxide gel composite suspension liquid 10-15 part;
Described polymer powder is modified polyethylene and polypropylene miser; Concrete modification is be the ultrahigh molecular weight polyethylene(UHMWPE) of 400-700 ten thousand and 15-25 part molecular weight toward 30-60 part molecular weight is by weight add aluminium dihydrogen phosphate 4-9 part, C in the base-material of the high density poly propylene composition of 100-140 ten thousand
12h
25sO
3na 0.5-4 part, terpolymer EP rubber EPDM 3-4 part, aluminate coupling agent 6-8 part and phosphorous acid ester 2-3 part, mediate 40-50min in Banbury mixer at 110-120 DEG C;
After hydrophobic auxiliary agent, filler and solvent are reacted, cross and filter suspension and obtain modified filler, after subsequently modified filler, polymer emulsion, titanic oxide nano, dispersion agent, defoamer, wetting agent and water being mixed in proportion, add described polymer powder, putty and modification drift pearl and stir, obtained energy-saving building exterior coating.
2. a kind of energy-saving building exterior coating as claimed in claim 1, is characterized in that: described modification drift pearl is made up of method A:
Method A: fly ash float is sent in the Efficient powder mixing machine of band fog-spray nozzle, under stirring at normal temperature, quantitatively spray into the modification drift pearl special sizing agent prepared in advance, the complete rear continuation of pulp spraying stirs 20-30min, discharging, toasts at 95-105 DEG C, storing temperature controls as 80-95 DEG C, time controling is 10-15min, cooling, sieving and grading;
Described modification drift pearl special sizing agent is made by method B; Method B comprises the following steps:
(1) high-speed stirring of carrying out under 1000-2000rpm condition after titanium dioxide, water and auxiliary agent being mixed;
(2) drop in shredder after stirring and grind, obtain Titanium dioxide slurry;
(3) moderate-speed mixer will carried out under 500-1000rpm condition after Titanium dioxide slurry and aqueous epoxy emulsion mixing, obtains titanium dioxide resin slurry after stirring evenly;
(4) stirring at low speed of carrying out under 100-500rpm condition after adding auxiliary agent in titanium dioxide resin slurry, obtains modification drift pearl special sizing agent after stirring evenly.
3. a kind of energy-saving building exterior coating as claimed in claim 2, is characterized in that: in polymer emulsion, fluorine carbon emulsion and organosilicon-modified acrylic emulsion ratio are 1:3-9.
4. a kind of energy-saving building exterior coating as claimed in claim 3, it is characterized in that: described titanic oxide nano is rutile titanium dioxide nano powder or anatase titanium dioxide nano powder, or rutile titanium dioxide nano powder and anatase titanium dioxide nano powder mixture.
5. a kind of energy-saving building exterior coating as claimed in claim 4, is characterized in that: described filler is silica nanometer powder.
6. a kind of energy-saving building exterior coating as claimed in claim 5, is characterized in that: described film coalescence aid is propylene glycol or ethylene glycol phenyl ether.
7. a kind of energy-saving building exterior coating as claimed in claim 6, is characterized in that: described hydrophobic auxiliary agent is one or more in silicone oil, alkylsiloxane and silane coupling agent.
8. a kind of energy-saving building exterior coating as claimed in claim 6, is characterized in that: described solvent is dimethylbenzene.
9. a kind of energy-saving building exterior coating as claimed in claim 6, is characterized in that: described defoamer is silicone antifoam agent.
10. a kind of energy-saving building exterior coating as claimed in claim 6, is characterized in that: the reaction of described hydrophobic auxiliary agent, filler and solvent under 60-120 DEG C of condition not section stirred.
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| CN107603372A (en) * | 2017-09-28 | 2018-01-19 | 马鞍山松鹤信息科技有限公司 | A kind of external wall specific complex coating and its preparation technology |
| CN108395589A (en) * | 2018-02-05 | 2018-08-14 | 合肥峰腾节能科技有限公司 | A kind of novel flame-retardant waterproof material and preparation method thereof |
| CN109810602A (en) * | 2019-03-01 | 2019-05-28 | 浙江至臻建设有限公司 | A kind of water-proof heat insulation building coating and preparation method thereof |
| CN110145039A (en) * | 2019-06-20 | 2019-08-20 | 北京中核北研科技发展股份有限公司 | A kind of acrylate copolymer polyester blank in-place forming macromolecule coiled material and construction method |
| CN111410882A (en) * | 2020-04-29 | 2020-07-14 | 湖北中科博策新材料科技有限公司 | Heat-insulating water paint and production process thereof |
| US10889501B2 (en) | 2016-02-24 | 2021-01-12 | Massachusetts Institute Of Technology | Solar thermal aerogel receiver and materials therefor |
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Application publication date: 20150930 |