Summary of the invention
The object of this invention is to provide a kind of exterior wall putty, there is excellent tack, fillibility, waterproof, intensity, rate of moisture absorption, prevent the body of wall variable color performance that comes off.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
An exterior wall putty, it comprises polymer powder 10-15 part, lightweight clay brick 30-50 part, perlite 10-15 part, high-alumina cement 6-9 part, mullite 12-18 part, wilkinite 10-15 part, szaibelyite 2-4 part, dextrine powder 1-3 part, methylcellulose gum 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, 1:1 is combined in mass ratio alumina sol and silicon dioxide gel composite suspension liquid 10-15 part by weight;
Described polymer powder is polyethylene and the polypropylene miser after modification; Concrete modification is in 30-60 part molecular weight is the base-material of the ultrahigh molecular weight polyethylene(UHMWPE) of 400-700 ten thousand and the high density poly propylene composition that 15-25 part molecular weight is 100-140 ten thousand, to add aluminium dihydrogen phosphate 4-9 part, C by weight
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 are mediated 40-50min in Banbury mixer at 110-120 ℃.
Polymer powder and the lightweight clay brick of specific proportioning combination for the present invention, perlite, high-alumina cement and composite suspension liquid are done filmogen, adopt water glass, wilkinite, szaibelyite and dextrine powder are made dispersion agent and properties-correcting agent, make filmogen and dispersion agent and properties-correcting agent form hydrophobic systems and slight crosslinking reaction occurs, mullite, methylcellulose gum, flaxen fiber or viscose fiber have further increased again sticking power function and the intensity of putty, especially the polyethylene of particular modification and polypropylene miser can increase the fillibility of putty, waterproof and intensity, prevent that body of wall variable color from coming off.
As preferably, described exterior wall putty also comprises isothiazolinone 3-6 part, wax emulsion 0.5-2 part, Zinic stearas 2-4 part.
The isothiazolinone of proportioning of the present invention, wax emulsion and Zinic stearas can further increase tack and the fillibility of putty.
As preferably, described exterior wall putty also comprises J-5 terra alba 1-3 part, poly carboxylic acid amine salt 5-8 part.
Terra alba of the present invention and poly carboxylic acid amine salt can further increase water-repellancy, intensity and the rate of moisture absorption of putty.
As preferably, described exterior wall putty also comprises sizing material 4-7 part, and described sizing material is comprised of the raw material of following parts by weight:
Phthalic anhydride 25-35 part, triethylene glycol 10-12 part, pentanedioic acid 15-18 part, trihydroxybutane 8-10 part, zinc white 5-7 part, magnesium oxide 3-5 part, chloroprene rubber 15-25 part, elastic plastic 70-95 part, softening oil 2-3 part, methylcarbonate 15-20 part, ethylbenzene 20-30 part, fire retardant 1-3 part.
Sizing material of the present invention, when giving the larger sticking power of putty and intensity, can prevent that body of wall variable color from coming off, and increases body of wall fire-protection rating.
As preferably, described fire retardant is counted composed of the following components by weight: 20~50 parts of ammonium low polyphosphates, 10~25 parts, ammonium phosphate, 6~12 parts of ammonium pyrophosphates, 5~20 parts, ammonium sulfate, 5~10 parts of boric acid, 10~25 parts, water.
The flame retardant properties of fire retardant of the present invention is good, and fire-protection rating is high, Environmental Safety.
As preferably, the alumina content in described lightweight clay brick is 35%-45%.
As preferably, the dioxide-containing silica in described perlite is 55-65%.
As preferably, the alumina content in described high-alumina cement is 40-50%.
As preferably, described mullite is M45 mullite.
As preferably, the granularity of described lightweight clay brick, perlite, high-alumina cement and/or M45 mullite is 0.4-0.8mm.
The lightweight clay brick of granularity of the present invention, perlite, high-alumina cement and/or M45 mullite can guarantee sticking power and the intensity of putty, if granularity is too little, intensity is difficult to meet the demands; If granularity is too large, sticking power is inadequate; Adopt lightweight clay brick, perlite, high-alumina cement and/or the M45 mullite of 0.4-0.8mm can make the sticking power of putty and intensity reach best of breed.
In sum, the present invention has following beneficial effect:
1. exterior wall putty of the present invention has excellent tack, fillibility, waterproof, intensity, rate of moisture absorption, prevents the body of wall variable color performance that comes off;
2. exterior wall putty of the present invention is suitable for mosaic, ceramic tile, marble, grouan, the surface of wall of brick, energy filling cracks aperture, product has strong adhesion after doing something in disregard of obstacles, water tolerance and resistance to abrasion are good, top layer is smooth, anticracking, good crashworthiness feature, 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 being above standard under state, embody the performance that there is good weathering resistance and overcome external stress, can be widely used in external wall reconstruction renovation, for the use of coating provides soft and smooth bottom surface base material.
Embodiment
Exterior wall putty formula one: comprise by weight 15 parts of polymer powder 10, part, lightweight clay brick 30, part, perlite 10, part, high-alumina cement 6, part, mullite 12, part, wilkinite 10, part, szaibelyite 2, part, dextrine powder 1, part, methylcellulose gum 3, part, 5 parts of silicon powders, 5 parts of viscose fibers, 8 parts of water glass, 4 parts of polymer dispersion powders, 1:1 is combined in mass ratio alumina sol and silicon dioxide gel composite suspension liquid; 6 parts of isothiazolinone, 2 parts of wax emulsions, 4 parts of Zinic stearass; 7 parts of sizing materials.
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.
Exterior wall putty formula two: comprise by weight 10 parts of 15 parts of polymer powders, 50 parts of lightweight clay bricks, 15 parts of perlites, 9 parts of high-alumina cements, 18 parts of mullites, 15 parts of wilkinites, 4 parts of szaibelyites, 3 parts of dextrine powders, 5 parts of methylcellulose gum, 8 parts of silicon powders, 10 parts, flaxen fiber, 18 parts of water glass, 6 parts of polymer dispersion powders, 1:1 is combined in mass ratio alumina sol and silicon dioxide gel composite suspension liquid; 1 part of J-5 terra alba, 5 parts, poly carboxylic acid amine salt; 4 parts of sizing materials.
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.
Exterior wall putty formula three: comprise by weight 12 parts of 12 parts of polymer powders, 38 parts of lightweight clay bricks, 12 parts of perlites, 7 parts of high-alumina cements, 15 parts of mullites, 13 parts of wilkinites, 3 parts of szaibelyites, 2 parts of dextrine powders, 4 parts of methylcellulose gum, 7 parts of silicon powders, 8 parts, flaxen fiber, 12 parts of water glass, 5 parts of polymer dispersion powders, 1:1 is combined in mass ratio alumina sol and silicon dioxide gel composite suspension liquid; 5 parts of isothiazolinone, 1.5 parts of wax emulsions, 3 parts of Zinic stearass; 2 parts of J-5 terra albas, 7 parts, poly carboxylic acid amine salt; 6 parts of sizing materials.
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 mono-
Exterior wall putty is filled a prescription by formula one, and wherein polymer powder is polyethylene and the polypropylene miser after modification; In the base-material of the high density poly propylene composition that the ultrahigh molecular weight polyethylene(UHMWPE) that concrete modification is is 400-700 ten thousand toward 30 parts of molecular weight by weight and 15 parts of molecular weight are 100-140 ten thousand, add 4 parts of aluminium dihydrogen phosphates, C
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25sO
33 parts of 0.5 part of Na, 3 parts of terpolymer EP rubber EPDM, 6 parts of aluminate coupling agents and phosphorous acid esters are mediated 40min in Banbury mixer at 110 ℃.
Sizing compound formula is:
25 parts of phthalic anhydrides, 10 parts of triethylene glycols, 15 parts of pentanedioic acids, 8 parts of trihydroxybutanes, 5 parts of zinc whites, 3 parts, magnesium oxide, 15 parts of chloroprene rubbers, 70 parts of elastic plastics, 2 parts of softening oils, 15 parts of methylcarbonates, 30 parts, ethylbenzene, 3 parts of fire retardants.
Fire retardant is counted composed of the following components by weight: 50 parts of ammonium low polyphosphates, 25 parts, ammonium phosphate, 12 parts of ammonium pyrophosphates, 20 parts, ammonium sulfate, 10 parts of boric acid, 10 parts, water.
Embodiment bis-
Polymer powder proportioning composition, sizing compound formula and fire retardant formula are with embodiment mono-, and different is that exterior wall putty is filled a prescription by formula two.
Embodiment tri-
Polymer powder proportioning composition, sizing compound formula and fire retardant formula are with embodiment mono-, and different is that exterior wall putty is filled a prescription by formula three.
Embodiment tetra-
According to exterior wall putty, by formula one, fill a prescription, wherein polymer powder is polyethylene and the polypropylene miser after modification; In the base-material of the high density poly propylene composition that the ultrahigh molecular weight polyethylene(UHMWPE) that concrete modification is is 400-700 ten thousand toward 60 parts of molecular weight by weight and 25 parts of molecular weight are 100-140 ten thousand, add 9 parts of aluminium dihydrogen phosphates, C
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25sO
32 parts of 4 parts of Na, 4 parts of terpolymer EP rubber EPDM, 8 parts of aluminate coupling agents and phosphorous acid esters are mediated 50min in Banbury mixer at 120 ℃.
Sizing compound formula is:
35 parts of phthalic anhydrides, 12 parts of triethylene glycols, 18 parts of pentanedioic acids, 10 parts of trihydroxybutanes, 7 parts of zinc whites, 5 parts, magnesium oxide, 25 parts of chloroprene rubbers, 95 parts of elastic plastics, 3 parts of softening oils, 20 parts of methylcarbonates, 20 parts, ethylbenzene, 1 part of fire retardant.
Fire retardant is counted composed of the following components by weight: 20 parts of ammonium low polyphosphates, 10 parts, ammonium phosphate, 6 parts of ammonium pyrophosphates, 5 parts, ammonium sulfate, 5 parts of boric acid, 25 parts, water.
Embodiment five
Polymer powder proportioning composition, sizing compound formula and fire retardant formula are with embodiment tetra-, and different is that exterior wall putty is filled a prescription by formula two.
Embodiment six
Polymer powder proportioning composition, sizing compound formula and fire retardant formula are with embodiment tetra-, and different is that exterior wall putty is filled a prescription by formula three.
Embodiment seven
According to exterior wall putty, by formula one, fill a prescription, wherein polymer powder is polyethylene and the polypropylene miser after modification; In the base-material of the high density poly propylene composition that the ultrahigh molecular weight polyethylene(UHMWPE) that concrete modification is is 400-700 ten thousand toward 50 parts of molecular weight by weight and 20 parts of molecular weight are 100-140 ten thousand, add 5 parts of aluminium dihydrogen phosphates, C
12h
25sO
32.5 parts of 3 parts of Na, 3.5 parts of terpolymer EP rubber EPDM, 7 parts of aluminate coupling agents and phosphorous acid esters are mediated 45min in Banbury mixer at 115 ℃.
Sizing compound formula is:
28 parts of phthalic anhydrides, 11 parts of triethylene glycols, 16 parts of pentanedioic acids, 9 parts of trihydroxybutanes, 6 parts of zinc whites, 4 parts, magnesium oxide, 19 parts of chloroprene rubbers, 85 parts of elastic plastics, 2.5 parts of softening oils, 18 parts of methylcarbonates, 25 parts, ethylbenzene, 2 parts of fire retardants.
Fire retardant is counted composed of the following components by weight: 30 parts of ammonium low polyphosphates, 15 parts, ammonium phosphate, 9 parts of ammonium pyrophosphates, 15 parts, ammonium sulfate, 8 parts of boric acid, 18 parts, water.
Embodiment eight
Polymer powder proportioning composition, sizing compound formula and fire retardant formula are with embodiment seven, and different is that exterior wall putty is filled a prescription by formula two.
Embodiment nine
Polymer powder proportioning composition, sizing compound formula and fire retardant formula are with embodiment seven, and different is that exterior wall putty is filled a prescription by formula three.
Comparative example one
With embodiment mono-, different is wherein not include polymer powder and water glass.
Comparative example two
With embodiment tetra-, different is that exterior wall putty comprises 15 parts of polymer powders, 20 parts of lightweight clay bricks, 5 parts of perlites, 15 parts of high-alumina cements, 8 parts of mullites, 8 parts of wilkinites, 1 part of szaibelyite, 4 parts of dextrine powders, 2 parts of methylcellulose gum, 9 parts of silicon powders, flaxen fiber or 2 parts of viscose fibers, 6 parts of water glass, 8 parts of polymer dispersion powders by weight.
Comparative example three
35 kilograms, 0.3 kilogram, mixture, 40 kilograms, coarse whiting 200 order, talcum powder 400 order of 13 kilograms of soft water, dry gram of methylcellulose gum 0.3,0.2 kilogram of lithium minerals thickening material, 0.5 kilogram, poly carboxylic acid amine salt, 15 kilograms of silicon the third latexes, 0.5 kilogram of wax emulsion, 0.2 kilogram of 2-amido-2-methyl isophthalic acid-propyl alcohol, 1 kilogram of ethylene glycol, 12 0.7 kilogram of carbon ester alcohol, 5 kilograms of Zinc Stearates, organosilicon and mineral oil.
Putty sticking power test, first uses sharp cutter (knife edge angle is 15 °-30 °) to draw 10 * 10 little grids of 1mm * 1mm in exterior wall sample surface, and each line should be deeply and the bottom of putty; With hairbrush, the fragment of test zone is cleaned down; Use adhesive power 350g/cm
2-400g/m
2adhesive tape (3M600 gummed paper or be equal to) firmly witheredly live tested little grid; and with the eraser wiping adhesive tape of exerting oneself; to strengthen contact area and the dynamics in adhesive tape and tested region; with hand, catch adhesive tape one end; (90 °) shut down rapidly gummed paper in the vertical direction, and same position carries out identical test 2 times;
Sticking power test grade classification:
5B-comes off without exterior wall,
The 4B-exterior wall total area that comes off is less than 5%;
3B-exterior wall comes off the total area between 5%-15%;
2B-exterior wall comes off the total area between 15%-35%;
1B-exterior wall comes off the total area between 35%-65%,
The 0B-exterior wall total area that comes off is greater than 65%.
While requiring sticking power >=4B, be qualified.
Table 1 embodiment and comparative example's product performance comparison
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 modification that there is no creative contribution as required after reading this specification sheets, but as long as within the scope of claim of the present invention, are all subject to the protection of patent law.