CN104250464A - Elastic inorganic dry powder putty - Google Patents
Elastic inorganic dry powder putty Download PDFInfo
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- CN104250464A CN104250464A CN201310270918.3A CN201310270918A CN104250464A CN 104250464 A CN104250464 A CN 104250464A CN 201310270918 A CN201310270918 A CN 201310270918A CN 104250464 A CN104250464 A CN 104250464A
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- putty
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Abstract
The invention provides elastic inorganic dry powder putty. The elastic inorganic dry powder putty comprises an inorganic gel material and dispersible glue powder. The elastic inorganic dry powder putty can be added with a filling material and/or an additive. The elastic inorganic dry powder putty is dry powder, has excellent elasticity, satisfies JG/T157-2009 building exterior wall putty elasticity (T) technical requirements, has the advantages of good polishability, good cohesiveness, storage stability and mildew resistance, is convenient for transport, does not simultaneously produce harmful substances such as VOC, benzene, formaldehyde and heavy metals, is convenient for production and use and has a low cost.
Description
Technical field
The present invention relates to a kind of material of construction, particularly relate to a kind of elastic inorganic dry-powder putty and preparation method thereof.
Background technology
As everyone knows, worldwide, along with social progress and rapid economic development, building trade gets prosperous with every passing day, and the coating as one of material of construction is the most widely used.Traditional coating because the feature of environmental protection, scrub resistance difference are along with enhancing and the aesthetic improve and exit building materials market gradually of living of people's environmental consciousness, generation and be a large amount of uses of Environmental Protective Water-paint.In recent years, along with the progress of science and technology, all kinds of water-based environment-friendly interior wall coating emerges in multitude, and this kind of water-based environment-friendly interior wall coating is all generally liquid state, its performance index such as the feature of environmental protection, scrub resistance are all better, during construction, it is direct spraying or brush on the metope after striking off by matching putty.Also the important materials that building masonry wall decorates just is become with the matching used putty of Environmental Protective Water-paint.Although putty is a kind of base treatment material, its amount of being is large and wide, is a kind of material of construction that must attract great attention.
Putty is as the main supplementary material of paint spraying, and its major function fills up pit that metope basic unit beats and fills and leads up little space, is that coating can be coated with and is contained on substantially smooth basal plane, thus the decorative effect obtained.The wall face majority of buildings is cement-based material, such as cement plaster mortar or cement paste etc. of wiping one's face.Due to the natural characteristics of cement-based material, surface inevitable the there will be crack.These cracks generally have the character of " dynamic crack ", and namely these cracks can change as temperature, alternation of wetting and drying etc. along with external environmental condition and open or closed change.When using common putty to fill up these cracks, be just difficult to adapt to opening or closing of " dynamic crack ", and then cause certain damage to film, or even there is crack in film.Use flexible putty or elastic coating can meet demand of anti-crack to a certain extent.
CN102863832A discloses a kind of Low-temperature elastic putty, sierozem power, coarse whiting, vermiculite, bundle fiber is proportionally carried out mixing making dry powder putty; Low temperature elasticity emulsion, water, Vltra tears are proportionally mixed, then stirs, obtain glue special; Dry powder putty is added in glue special in proportion, after mixing, after high-speed stirring is even, paste Low-temperature elastic putty can be obtained.This Low-temperature elastic putty low-temperature cracking-resistance is lasting, improve the work-ing life of coating and buildings significantly, but it contains the carbohydrate such as bundle fiber, Vltra tears, be easy to be subject to mould erosion in various degree, even there is mildew, not only can affect attractive in appearance, more disadvantageous effect be caused to environment and health; And this Low-temperature elastic putty is also containing solvent, easily occur rotten, be unfavorable for storing.CN1978555A discloses a kind of exposed wall elastic anti-crack putty, avoids the invasion and attack of mould by adding mould inhibitor, but this exposed wall elastic anti-crack putty contains the flexible emulsion of vinylformic acid and EVA emulsion, and storage stability is poor, is unfavorable for transport.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of elastic inorganic dry-powder putty, have outstanding elasticity, package stability is high simultaneously, is convenient to transport.
The component of elastic inorganic dry-powder putty provided by the invention comprises electrodeless gelatinous material, re-dispersible glue powder.
Preferably, described electrodeless gelatinous material is selected from one or more in cement, lime or gypsum.
Described cement can be silicate cement, aluminate cement, aluminosulfate cement, ferro-aluminate cement, fluoroaluminate cement, phosphate cement or their any mixture; And be preferably silicate cement, aluminate cement or the mixture of the two.
Wherein, described lime can be the form of calcium oxide, calcium hydroxide, calcium carbonate or their any mixture, and is preferably calcium oxide or calcium hydroxide or the mixture of the two.But should be understood that, above-mentioned calcium oxide or calcium hydroxide, after described putty uses, allow to generate calcium carbonate by chemical reaction.
Wherein, described gypsum can be any one or a few the mixture in calcium sulfate hydrate (as calcium sulphate dihydrate, calcium sulfate hemihydrate etc.) or anhydrous calciumsulphate.
Preferably, described elasticity re-dispersible glue powder obtains by after the drying of elastomeric polymer emulsion.
Described elastomeric polymer can be alkene, diolefine, vinylformic acid, acroleic acid resin, methacrylic acid, methacrylic ester, fatty acid ethylene polyisocyanate polyaddition obtain homopolymer, copolymer, terpolymer or more plant monomer copolymer, and can be random copolymers, segmented copolymer or graft copolymer.
Described alkene can be aliphatics alkene or aromatic olefin, and is preferably alpha-olefin, is more preferably C2-C10 aliphatic alpha-olefin or C6-C12 aromatic alpha olefin, is more preferably C2-C6 aliphatic alpha-olefin or C6-C10 aromatic alpha olefin.Should be understood that, described aromatic alpha olefin can be aromatic base ethene, aromatic base aliphatic group ethene, fatty group aromatic base ethene, and described aromatic base is preferably phenyl, naphthyl; Described aliphatics alkene can be straight chain, branching or cyclic olefin.
The specific examples of described alpha-olefin is selected from ethene, propylene, 1-butylene, 1-butylene, 1-amylene, 1-octene, 1-heptene, vinylbenzene, vinylchlorid, vinylidene chloride, vinylidene, tetrafluoroethylene, tetrahydrobenzene, cyclopentenes etc.
Wherein, described diolefine is preferably conjugated diene or isolated diolefine, is more preferably the diolefine of C4-C20, as 1,3-butadiene, Isosorbide-5-Nitrae-pentadiene, 1,3-pentadiene etc.
Wherein, acrylate, the ester described in family's polyacrylic ester can be C1-C10 alcohol esters, as any one or a few the mixture in methyl acrylate, ethyl propenoate, propyl acrylate, isopropyl acrylate, butyl acrylate, the different ester of vinylformic acid, methyl methacrylate, β-dimethyl-aminoethylmethacrylate, propyl methacrylate, isopropyl methacrylate, butyl methacrylate.
Wherein, described vinyl fatty ester can be saturated or unsaturated fatty acids vinyl acetate, and is preferably saturated fatty vinyl acetate, is more preferably C1-C5 vinyl fatty ester, as vinyl acetate.
Wherein, described tertiary carbonic ester structure is as follows:
Wherein, R
1, R
2and R
3be selected from alkyl respectively, and preferably at least one is methyl; Wherein, described alkyl is preferably side chain or the branched-alkyl of C1-C10, is more preferably straight chain or the branched-alkyl of C1-C6, is more preferably straight chain or the branched-alkyl of C1-C4, as methyl, ethyl, n-propyl, sec.-propyl, normal-butyl, isobutyl-, the tertiary butyl etc.Wherein, R is substituted or unsubstituted carbochain or substituted or unsubstituted containing heteroatomic carbochain, and described carbon chain lengths is preferably C1-C10, is more preferably C1-C6, is more preferably C1-C4, and is preferably unsaturated carbon chains.The citing of described tertiary carbonic ester is as any one or a few the mixture in tertiary ethylene carbonate, tertiary monocarboxylic acid propylene oxide ester, tertiary monocarboxylic acid oxyethylene ester etc.
Preferably, the component of described elastic inorganic dry-powder putty also comprises filler.
Wherein, described filler is selected from any one or a few the mixture in metal, metal oxide, metal silicate, metal carbonate, metal sulfate, metallic sulfide, metal nitride, metal hydroxides, metallic carbide, silicon oxide, and described metal is preferably the metal such as iron, aluminium, copper, calcium, magnesium, barium, manganese, chromium, vanadium, titanium, tungsten, lead, tin in IIA to VA in mendeleev periodic table of elements and subgroup element.
Described filler is preferably silicon oxide, ANTIMONY TRIOXIDE SB 203 99.8 PCT, antimony peroxide, calcium oxide, cupric oxide, zinc oxide, calcium carbonate, Calucium Silicate powder, barium carbonate, barium sulfate, lead carbonate, Tai-Ace S 150, aluminum oxide, pure aluminium silicate, magnesium hydroxide, molybdenumdisulphide, hydrated barta, bismuth oxide, iron sulphide, aluminium, zinc, copper etc.
Described filler also can be selected from the natural mineral matter containing above-mentioned arbitrary substance, as kaolin, barite, wollastonite, polynite, mica, graphite, wilkinite, attapulgite, diatomite, feldspar, ferrite, calcite, quartz etc.
Described filler is preferably fleut, and particle diameter is preferably≤200 μm (200 μm are about 70 orders), is preferably 10 μm-200 μm, is preferably 15 μm-100 μm, is more preferably 18 μm-50 μm (about 300-800 orders).
Preferably, the component of described elastic inorganic dry-powder putty also comprises admixture, as defoamer, air entrapment agent, water reducer, thixotroping rheological agent, thickening material, cracking resistance agent, mould inhibitor etc. can improve as described in the admixture of elastic inorganic dry-powder putty performance.
Described defoamer can be any one or a few mixture of silicone oil, mineral oil, polyethers, polyether modified silicon oil, high fatty alcohol, Organic Alcohol phosphoric acid ester.
Described water reducer can be one or more in naphthalene water reducer, aliphatic water reducing agent, sulfamate water reducer, polycarboxylate water-reducer etc.
Described thickening material can implement Mierocrystalline cellulose and/or its derivative, as methylcellulose gum, carboxymethyl cellulose, hydroxypropylcellulose, Natvosol, Vltra tears etc.; Or polyacrylic acid and/or its derivative, as polyacrylate, polymethyl acrylic acid, poly-methyl acrylate etc.; Or association type polyurethanes thickening material; Also can be inorganic thickening agent, as wilkinite.
Described mould inhibitor can be any one or a few the mixture in organism and inorganics.Concrete example is selected from: any one or a few the mixture in isothiazolinone, benzimidazoles, iodine propargyl class, aromatic hydrocarbons or substituted arene class, dithiocarbamate(s) and metal complex thereof, as methylisothiazolinone, octylisothiazolinone etc.
Preferably, elastic inorganic dry-powder putty provided by the invention comprises the component of following weight proportion:
Electrodeless gelatinous material 50-300;
Elasticity re-dispersible glue powder 20-100.
Or can also comprise
Filler 300-700; And/or
Admixture 0-20.
Further preferably, elastic inorganic dry-powder putty provided by the invention comprises the component of following weight proportion:
Electrodeless gelatinous material 70-250;
Elasticity re-dispersible glue powder 30-80.
Or can also comprise
Filler 360-640; And/or
Admixture 0-12.
Still more preferably, elastic inorganic dry-powder putty provided by the invention comprises the component of following weight proportion:
Electrodeless gelatinous material 100-200;
Elasticity re-dispersible glue powder 40-70.
Or can also comprise
Filler 400-580; And/or
Admixture 0-10.
Present invention also offers a kind of preparation method of above-mentioned elastic inorganic dry-powder putty: by each component of elastic inorganic dry-powder putty by weight being dry mixed together, make described elastic inorganic dry-powder putty.
Present invention also offers a kind of object containing any one elastic inorganic dry-powder putty above-mentioned.
Described object can be buildings or other can the artwork of suitability for industrialized production, and be preferably buildings, be more preferably the wall of buildings.
Preferably, the wall of buildings comprises body of wall and any one elastic inorganic dry-powder putty above-mentioned, and described elastic inorganic dry-powder putty is coated at least one surface of described body of wall.
More preferably, described wall also comprises the undercoat of putty layer surface-coated; More preferably, the basic mineral dry powder decoration coating of the surface-coated of described undercoat.
Wherein, described elastic inorganic dry-powder putty thickness is 0.5-5mm, is more preferably 1-4mm, is more preferably 1-3mm, be more preferably 1-2mm, be more preferably 1.2-1.8mm, be more preferably 1.4-1.5mm.
Wherein, described primer thickness is preferably 1-20 μm, is more preferably 1.5-18mm, is more preferably, and is more preferably 2-15 μm, is more preferably 2.5-12 μm, is more preferably 3-10 μm, is more preferably 5-8 μm, is more preferably 6-7 μm.
Wherein, described decoration coat-thickness is preferably 50-500 μm, is more preferably 70-400 μm, is more preferably 100-300 μm, be more preferably 120-270 μm, be more preferably 150-250 μm, be more preferably 180-230 μm, be more preferably 200-220 μm.
Wherein, described undercoat can play the effect strengthening coating, and it can be epoxy resin-based paint, acrylic resin paint, polyurethane paint, alkyd varnish etc.
Wherein, the surface of the described decoration coating layer touch interior space can be plane or uneven surface or the surface with cubic texture, and is preferably plane.
Described body of wall can be limit arbitrarily the vertical metope of described buildings, space bottom or top.Further, the surface of described metope contact interior of building can be plane, cambered surface etc.
Elastic inorganic dry-powder putty provided by the invention is in dry powdered form, there is outstanding elasticity, meet JG/T157-2009 " putty for exterior use " elasticity (T) technical requirements, there are good grinability, cohesiveness, package stability and mouldy property etc. simultaneously, be convenient to transport, do not produce the objectionable impuritiess such as VOC, benzene, formaldehyde, heavy metal, production and application is convenient, with low cost simultaneously.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, to understand the present invention better.
Embodiment 1
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 2
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 3
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 4
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 5
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 6
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 7
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 8
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 9
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 10
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 11
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 12
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 13
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 14
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 15
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 16
In the present embodiment, component comprises:
Said components is dry mixed and prepares described elastic inorganic dry-powder putty.
Embodiment 17
Use the elastic inorganic dry-powder putty in embodiment 1 levelling at the surface of wall of buildings, putty layer thickness is approximately 2mm.At putty layer surface-coated epoxy resin-based paint undercoat, in the present embodiment, primer thickness is 5 μm.The inorganic powder coating (decoration coating) of base coating surface coating alkalescence, decoration coating can form three-dimensional pattern or be only smooth flat as required.Decoration coat-thickness is 150 μm.
Embodiment 18
Use the putty in embodiment 6 levelling in basement wall surface, putty layer thickness is approximately 1.5mm.At putty layer surface-coated epoxy resin-based paint undercoat, in the present embodiment, primer thickness is 8 μm.The inorganic powder coating (decoration coating) of base coating surface coating alkalescence, decoration coating can form three-dimensional pattern or be only smooth flat as required.Facing coat-thickness is 230 μm.
Decoration coating is vesicular structure, and the diameter in hole can be 10-1000 micron.
The elastic inorganic dry-powder putty of embodiment 1-16 gained is added to the water, stir, construction operation can be carried out, the method such as roller coat or brushing can be adopted to carry out, its performance is tested according to People's Republic of China's building trade standard JG/T157-2009 " putty for exterior use ", and result is as shown in table 1; Carry out the detection of VOC content according to National Standard of the People's Republic of China GB18582-2008 " in indoor decorating and refurnishing materials interior wall coating limits of harmful substances ", result is as shown in table 2.
Can be found out by table 1, elastic inorganic dry-powder putty dynamic cracking resistance provided by the invention is more than 0.5mm, far exceed the standard of the 0.3mm that JG/T157-2009 specifies, and initial dry cracking resistance meets the requirements, all unchanged through 48h alkali resistance, 96h water tolerance, water regain, package stability, cohesive strength and workability all meet JG/T157-2009 standard.Can be found out by table 2, inorganic powder mould-repellant coating provided by the invention does not produce VOC(volatile organic compounds), the objectionable impurities such as benzene, formaldehyde, heavy metal.
Physicals after elastic inorganic dry-powder putty prepared by table 1 embodiment 1-16 and film-forming thereof
The objectionable impurities detected result of elastic inorganic dry-powder putty prepared by table 2 embodiment 1-16
Be described in detail specific embodiments of the invention above, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, equalization conversion done without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.
Claims (12)
1. an elastic inorganic dry-powder putty, is characterized in that, the component of described elastic inorganic dry-powder putty comprises electrodeless gelatinous material, re-dispersible glue powder, and the weight ratio of each component is:
Electrodeless gelatinous material 50-300;
Elasticity re-dispersible glue powder 20-100.
2. elastic inorganic dry-powder putty according to claim 1, is characterized in that, described electrodeless gelatinous material be selected from cement, lime or gypsum one or more.
3. elastic inorganic dry-powder putty according to claim 1, is characterized in that, described elasticity re-dispersible glue powder obtains by after the drying of elastomeric polymer emulsion.
4. elastic inorganic dry-powder putty according to claim 3, it is characterized in that, described elastomeric polymer is alkene, any one or a few mixture in homopolymer that diolefine, vinylformic acid, acroleic acid resin, methacrylic acid, methacrylic ester, fatty acid ethylene polyisocyanate polyaddition obtain, copolymer, terpolymer.
5. the elastic inorganic dry-powder putty as requested described in 1 or 2, is characterized in that, the component of described elastic inorganic dry-powder putty also comprises filler, and the weight ratio of each component is:
Electrodeless gelatinous material 50-300;
Elasticity re-dispersible glue powder 20-100;
Filler 300-700.
6. elastic inorganic dry-powder putty according to claim 5, it is characterized in that, described filler be selected from silicon oxide, silicate, carbonate, carbide, vitriol, sulfide, nitride, metal oxide, metal hydroxides, metal one or more.
7. elastic inorganic dry-powder putty according to claim 5, is characterized in that, the component of described elastic inorganic dry-powder putty also comprises admixture, and the weight ratio of each component is:
8. elastic inorganic dry-powder putty according to claim 7, is characterized in that, described admixture be selected from defoamer, air entrapment agent, water reducer, thixotroping rheological agent, thickening material, cracking resistance agent one or more.
9. as a preparation method for the elastic inorganic dry-powder putty in claim 1-8 as described in any one, it is characterized in that, by each component of elastic inorganic dry-powder putty by weight being dry mixed together, making described elastic inorganic dry-powder putty.
10. the object containing the elastic inorganic dry-powder putty in claim 1-8 described in any one.
11. objects according to claim 10, it is characterized in that, described object is the wall of buildings, comprises the elastic inorganic dry-powder putty in body of wall and claim 1-8 described in any one, and described elastic inorganic dry-powder putty is coated at least one surface of described body of wall.
12. objects according to claim 11, is characterized in that, described wall also comprises the undercoat of putty layer surface-coated; And the basic mineral dry powder decoration coating of the surface-coated of described undercoat.
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| CN201310270918.3A CN104250464A (en) | 2013-06-28 | 2013-06-28 | Elastic inorganic dry powder putty |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607088A (en) * | 2019-10-16 | 2019-12-24 | 成都新柯力化工科技有限公司 | Flexible putty powder for building exterior wall, preparation method and use method |
-
2013
- 2013-06-28 CN CN201310270918.3A patent/CN104250464A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607088A (en) * | 2019-10-16 | 2019-12-24 | 成都新柯力化工科技有限公司 | Flexible putty powder for building exterior wall, preparation method and use method |
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Application publication date: 20141231 |