CN104710893A - Thermal insulation coating material, thermal insulation construction material and building renovation method - Google Patents

Thermal insulation coating material, thermal insulation construction material and building renovation method Download PDF

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Publication number
CN104710893A
CN104710893A CN201410164526.3A CN201410164526A CN104710893A CN 104710893 A CN104710893 A CN 104710893A CN 201410164526 A CN201410164526 A CN 201410164526A CN 104710893 A CN104710893 A CN 104710893A
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fibrous
thermal insulation
methyl
compound
heat insulation
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CN104710893B (en
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繁谷纯
松木弘泰
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Kansai Paint Co Ltd
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Kansai Paint Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/18—Spheres
    • C08L2205/20—Hollow spheres

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Building Environments (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Paints Or Removers (AREA)

Abstract

The present invention provides a thermal insulation coating material, a thermal insulation construction material and a building renovation method. A thermal insulation layer which has stable heat insulation properties and waterproofness for a long time may be obtained by the thermal insulation coating material. The thermal insulation coating material is characterized in that the material includes a synthetic resin emulsion (A), hollow grains (B), flame-resistant materials (C) and fibrous compounds (D); a compounding amount of the flame-resistant materials (C) is within 10-300 parts by mass in relative to 100 parts of resin solid matters of the synthetic resin emulsion (A), and the fibrous compounds (D) are fibrous inorganic compounds whose length-width ratio being 1.5-250 and or fibrous organic compounds with a branched chain type structure.

Description

Heat insulation painting material, constructional heat-insulating and buildings method for trimming
Technical field
The present invention relates to the lagging material of buildings etc.
Background technology
In the past, in order to suppress the temperature variation of interior of building, implement in the inner side of the building materials such as outer wall, roof forming buildings, outside widely, the lagging materials such as the configuration of planar ground polyurethane foam, phenol formaldehyde foam, cellulose fibril, asbestos.
Such as, Patent Document 1 discloses a kind of heat insulation structural, it is characterized in that, outside the room of wall material being equipped with lagging material in inner side, be provided with the film layer comprising infrared reflectivity pigment.
But building materials inner side planar to configure in lagging material in heat-insulating technique, the lagging material being in building materials inside slowly comes off because of the moisture comprised in air, or because of the high temperature etc. in summer along with the time through and deteriorated, even if thus sufficient thermal insulation can be played at During Initial Stage Construction, be also difficult to the thermal insulation of playing stably for a long time.
On the other hand, in patent documentation 2, describe the outer heat-insulating technique of a kind of wet type, wherein, arranged the outside of phenolic lagging material at the stratum basale of buildings, fixed wire netting, be coated with the mortar adding glass fibre thereon, carry out retouching application.
According to this technology, even if the few outer thermal wall had excellent fire-resistance when fire of crackle can be obtained.
But, in the technology recorded in patent documentation 1, lagging material is fixed on building materials etc. and constructs more numerous and diverse, and consuming time, have the water-repellancy of the joint part of lagging material, the insufficient such problem of thermal insulation in addition.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2008-291644 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2002-235386 publication
Summary of the invention
The problem solved is wanted in invention
The object of the present invention is to provide: the heat insulation painting material of the thermofin of thermal insulation and the water-repellancy of playing stably for a long time can be obtained and employ the constructional heat-insulating of this heat insulation painting material.
For the scheme of dealing with problems
The present inventor etc. conduct in-depth research above-mentioned problem, found that, comprise hollow particle and there is the heat insulation painting material of fibrous compound of specified shape, the thermofin of thermal insulation and the water-repellancy of playing stably for a long time can be formed, form excellent constructional heat-insulating, thus reach the present invention.·
Namely the present invention relates to following invention:
1. a heat insulation painting material, it is characterized in that, comprise: synthetic resin emulsion (A), hollow particle (B), fire retardant material (C) and fibrous compound (D), the compounding amount of fire retardant material (C) relative to resin solid substance 100 mass parts of synthetic resin emulsion (A) in the scope of 10 ~ 300 mass parts, this fibrous compound (D) to be long-width ratio be 1.5 ~ 250 fibrous mineral compound and/or there is the fibrous organic compound of branched structure;
2. a constructional heat-insulating, it is characterized in that, it is the building materials being formed with application type thermofin, heat insulation painting material for the formation of this application type thermofin comprises: synthetic resin emulsion (A), hollow particle (B), fire retardant material (C) and fibrous compound (D), this fibrous compound (D) to be long-width ratio be 1.5 ~ 250 fibrous mineral compound and/or there is the fibrous organic compound of branched structure;
3. a constructional heat-insulating, it by being coated with cement composition outside the room of masonry wall, forms thermofin and formed at the heat insulation painting material of surface coated according to 1 of formed cement layer;
4. the constructional heat-insulating according to 2 or 3, its by arrange further on thermofin sunshine reflectivity be more than 75% white hide thermosphere formed;
5. a buildings, it is built by using the constructional heat-insulating according to any one of 2 to 4 and obtains;
6. a buildings method for trimming, is characterized in that, uses the heat insulation painting material according to 1.
The effect of invention
The thermofin obtained based on heat insulation painting material of the present invention has fine and close air in inside, be arranged on base material, therefore can obtain the constructional heat-insulating of thermal insulation and the water-repellancy of playing stably for a long time under the state not having joint etc.
Therefore, use constructional heat-insulating of the present invention and the internal temperature of building the buildings obtained is not vulnerable to the impact of air, Xia Dongjun can become comfortable environment, also can prevent the condensation produced on surface, also can cut down the energy required for air-conditioning.
In addition, constructional heat-insulating of the present invention is relatively light, thus also has for the load of buildings, advantage that load is few.
And because thermofin is application type, thus application dealer can easily adjust the unevenness of coated surface, and can easily buildings that is newly-built or that both deposited be constructed, be repaired.
Accompanying drawing explanation
Fig. 1 is an example of the sketch chart of thermoinsulated external wall of the present invention.
Embodiment
< resin emulsion (A) >
About the resin emulsion used in the present invention (A), such as list acrylic resin, vinyl acetate esters resin, vinyl chloride resin, styrene butadiene resinoid, redix, alkyd based resin, polyester resin, silicon resinoid, fluorine-type resin, polyurethane based resin, acroleic acid polyurethane resinoid (also comprising double-formulation) etc., they can be used alone or two or more combination are used.
Particularly, as resin emulsion, in non-crosslinked class, preferably one or more vinyl monomers selected from (methyl) alkyl acrylate, vinylbenzene, vinyl-acetic ester, unsaturated acid etc. are carried out (being total to) polymer emulsion of letex polymerization, in addition in crosslinked class, consider from viewpoints such as drying property, preferred: the cross-linked type latex emulsion comprising vinylformic acid (being total to) polymkeric substance containing carbonyl and hydrazine compound, or this emulsion and waterborne polyurethane resin use.
As the monomer of copolymer composition becoming above-mentioned resin emulsion (A), specifically list: (methyl) methyl acrylate, (methyl) ethyl propenoate, (methyl) propyl acrylate, (methyl) n-butyl acrylate, (methyl) isobutyl acrylate, (methyl) tert-butyl acrylate, (methyl) vinylformic acid n-pentyl ester, the just own ester of (methyl) vinylformic acid, (methyl) 2-EHA, (methyl) lauryl acrylate, (methyl) acrylate of the alkyl containing straight or branched such as (methyl) stearyl acrylate ester, (methyl) cyclohexyl acrylate, ester ring type (methyl) acrylate such as (methyl) isobornyl acrylate, (methyl) vinylformic acid 2-hydroxyl ethyl ester, (methyl) vinylformic acid 2-hydroxypropyl acrylate, (methyl) vinylformic acid 3-hydroxypropyl acrylate, (methyl) dihydroxypropyl alkane esters such as (methyl) hy-droxybutyl, vinyl carbinol, the 6-caprolactone modification body of above-mentioned (methyl) dihydroxypropyl alkane ester, be the polymerizability unsaturated monomer of the hydroxyls such as (methyl) acrylate of the polyethylene oxide chain of hydroxyl containing molecular end, (methyl) vinylformic acid, toxilic acid, β-crotonic acid, the carboxylic polymerizability unsaturated monomers such as β-carboxyethyl, vinylbenzene, the vinyl aromatic compounds such as alpha-methyl styrene, (methyl) propenal, formyl radical vinylbenzene, vinyl alkyl ketone (such as, the ethenyl methyl ketone of carbonatoms 4 ~ 7, vinyl ethyl ketone, vinyl butyl ketone etc.), (methyl) vinylformic acid acetoacetoxyethyl, acetoacetoxy groups allyl ester, diacetone (methyl) acrylamides etc. contain the polymerizability unsaturated monomer of carbonyl, (methyl) vinylformic acid aralkyl esters such as (methyl) benzyl acrylate, (methyl) vinylformic acid 2-methoxy acrylate, (methyl) vinylformic acid alkoxyl group alkane esters such as (methyl) vinylformic acid 2-ethoxy ethyl ester, (methyl) perfluoroethyl alkane ester, (methyl) vinylformic acid N, N-diethylamino ethyl ester, (methyl) acrylamide, (methyl) vinyl cyanide, vinyl-acetic ester, the vinyl ester compound such as propionate, (methyl) allyl acrylate, ethylene glycol bisthioglycolate (methyl) acrylate, triethylene glycol two (methyl) acrylate, TEG two (methyl) acrylate, 1,3 butylene glycol two (methyl) acrylate, trimethylolpropane tris (methyl) acrylate, BDO two (methyl) acrylate, neopentyl glycol two (methyl) acrylate, 1,6-hexylene glycol two (methyl) acrylate, tetramethylolmethane two (methyl) acrylate, tetramethylolmethane four (methyl) acrylate, glycerol two (methyl) acrylate, 1,1,1-trimethylolethane two (methyl) acrylate, 1,1,1-trimethylolethane trimethacrylate (methyl) acrylate, 1,1,1-trimethylolpropane tris (methyl) acrylate, cyanacrylate, diallyl p phthalate, Vinylstyrenes etc. have many vinyl compounds etc. of at least two polymerizability unsaturated groups in a part, (methyl) glycidyl acrylate, (methyl) propenoic acid beta-methylglycidyl esters, (methyl) vinylformic acid 3,4-epoxycyclohexanecarboxylate, (methyl) vinylformic acid 3,4-epoxycyclohexyl ethyl ester, (methyl) vinylformic acid 3,4-epoxycyclohexyl propyl ester, allyl glycidyl ether etc. contain the polymerizability unsaturated monomer of epoxy group(ing), (methyl) vinylformic acid isocyanatoethyl, between pseudoallyl-alpha, alpha-dimethylbenzyl isocyanic ester etc. containing the polymerizability unsaturated monomer of isocyanate group, vinyltrimethoxy silane, vinyltriethoxysilane, γ-methacryloxypropyl trimethoxy silane, γ-methacryloxypropyl etc. containing the polymerizability unsaturated monomer of alkoxysilyl, containing the reaction product of the polymerizability unsaturated monomer of epoxy group(ing) or the polymerizability unsaturated monomer of hydroxyl and unsaturated fatty acids, (methyl) vinylformic acid dicyclo amylene oxygen base ethyl ester, (methyl) vinylformic acid dicyclo amylene oxygen base propyl ester, (methyl) vinylformic acid dicyclopentenyloxyethyl methacrylates etc. are containing the polymerizability unsaturated monomer etc. of oxidative cure group, and they can be used alone or two or more combination are used.
Among above-mentioned monomer, if the carbonatoms that use contains straight-chain or branched is the acrylate of the alkyl of more than 4, then can omit the sealing agent painting process before the heat insulation painting material of coating, or when substrate surface is remaining have an old coating film, good with the tack of this old coating film.
The acrylate that carbonatoms is the alkyl of more than 4 is contained as this, list n-butyl acrylate, isobutyl acrylate, tert-butyl acrylate, vinylformic acid n-pentyl ester, the just own ester of vinylformic acid, 2-EHA, lauryl acrylate, stearyl acrylate ester etc., can be used alone or combine two or more and use.
< hollow particle (B) >
The hollow particle (B) used in the present invention is thermal insulation from the viewpoint of thermofin and compounding material, specifically lists such as expanded polystyrene particle, polyethylene foamed particle, expanded polypropylene particle, the foamed resin particles such as polyurathamc, perlite, volcanic gravel, the inorganic foamed body particles such as vermiculite calcining matter, acrylic resin, styrene resin, acrylic-styrene copolymer resins, acrylic acid or the like-acrylonitrile compolymer resin, acrylicstyrene-acrylonitrile compolymer resin, vinyl cyanide-methacrylonitrile copolymer resins, acrylic acid-acrylonitrile-methacrylonitrile copolymer resins, the organic hollow microballoon of the resins such as vinylidene chloride-acrylonitrile compolymer resin, silica hollow microsphere, the glass hollow microballoons such as volcanic ash hollow microsphere, the Inorganic Hollow Microspheres such as ceramic hollow microspheres such as aluminum oxide silica hollow microsphere, by silicon-dioxide, the organo-mineral complexing hollow microsphere etc. that the surface of organic hollow microballoon is carried out decorating and obtained by the inorganic raw materials such as aluminum oxide, they can be used alone or combine two or more and use.
Among them, from the viewpoint of thermal insulation and the water-repellancy of thermofin, foamed resin particle and organo-mineral complexing hollow microsphere are suitable.
As the median size of above-mentioned hollow particle (B), be preferably 0.02 ~ 8mm from the viewpoint of painting operation and dope viscosity, be particularly preferably 0.05 ~ 2mm.
Median size is defined by the value measured by particle size distribution device in the present invention.
About the compounding amount of above-mentioned foamed resin particle (B), become 100/80 ~ 100/1000 according to the solid substance volume ratio of aforementioned resin emulsion (A)/hollow particle (B), the mode of 100/150 ~ 100/700 that preferably becomes contains, this is suitable from the viewpoint of thermal insulation, thick film and coating strength.
< fire retardant material (C) >
Heat insulation painting material of the present invention comprises fire retardant material (C).As fire retardant material (C), always known fire retardant material can be used, but specifically can use: decabromo-diphenyl oxide, eight bromo phenyl ether, tetrabromodiphenyl ether, hexabromocyclododecane, two (tribromophenoxy) ethane, ethylene two (tetrabromo phthalimide), the bromine class fire retardant materials such as tetrabromoethane, trimethyl phosphite 99, triethyl phosphate, tributyl phosphate, trioctyl phosphate, triphenylphosphate, tributoxyethyl phosphate, octyl diphenyl phosphate, tritolyl phosphate, phosphoric acid cresyl phenyl ester, tricresyl phosphate (dimethylbenzene) ester, phosphoric acid 2-naphthyl diphenyl ester, phosphoric acid cresyl two (2,6-dimethylbenzene) ester, aromatic condensation phosphoric acid ester, the mixture of aromatic condensation phosphoric acid ester and polyoxyalkylene phosphoric acid ester, polyphosphonates, poly phosphate, poly-phosphate, the Phosphorus fire retardant material of the non-halogenated such as red phosphorus, Trichloroethyl Phosphate, tricresyl phosphate (2-chloropropyl) ester, tricresyl phosphate (2,3-bis-chloropropyl) ester, tricresyl phosphate (2,3-bis-Bromopropyl) ester, tricresyl phosphate (bromine chloropropyl) ester, tricresyl phosphate (three bromo neo-pentyls) ester, tricresyl phosphate (chloropropyl) ester, phosphoric acid 2,3-bis-bromo propyl ester, the Phosphorus fire retardant materials of halo such as phosphoric acid 2,3-chlorine propyl ester, clorafin, perchloro-cyclopentadecane, the chlorine class fire retardant materials such as chlorodiphenyl, ANTIMONY TRIOXIDE SB 203 99.8 PCT, the antimony compoundss such as antimony pentaoxide, aluminium hydroxide, magnesium hydroxide, calcium aluminate, zinc borate, barium metaborate, molybdenum oxide, ammonium molybdate, zirconium white, zirconium hydroxide, stannic oxide, independent one or more kinds of combination in the mineral-type fire retardant materials such as stannic hydroxide etc.
Preferred mineral-type fire retardant material and the Phosphorus fire retardant material of halo among them, from the viewpoint of thermal insulation particularly preferably aluminium hydroxide.Median size as aluminium hydroxide is less than 100 μm, is preferably 0.6 ~ 25 μm.
About the compounding amount of the above-mentioned fire retardant material (C) for taking into account thermal insulation and flame retardant resistance, being 10 ~ 300 mass parts relative to resin solid substance 100 mass parts of aforementioned (A), being preferably 20 ~ 200 mass parts.
< threadiness compound (D) >
Above-mentioned heat insulation painting material comprises fibrous compound (D).
The invention is characterized in, as fibrous compound (D), use long-width ratio to be the fibrous mineral compound of 1.5 ~ 250 and/or there is the fibrous organic compound of branched structure.
As the object lesson of fibrous mineral compound, list magnesium sulfate, magnesiumcarbonate, calcium carbonate, glass fibre, carbon fiber etc., they can be used alone or combine two or more and use.Wherein magnesium sulfate is preferably alkali magnesium sulfate (chemical formula MgSO 45Mg (OH) 23H 20).
The long-width ratio of above-mentioned fibrous mineral compound is in the scope of 1.5 ~ 250 in the present invention, is preferably in the scope of 5 ~ 200.
When long-width ratio is less than 1.5, then the water-repellancy of thermofin is insufficient, and on the other hand, during more than 250, then application property becomes insufficient, not preferably.
In this manual, long-width ratio is the value by the length of length direction being calculated divided by the length in the direction perpendicular to length direction.
The mean value of the length of the length direction of threadiness mineral compound is in the scope of 1 ~ 100 μm, be preferably in the scope of 5 ~ 90 μm, mean value perpendicular to the length in the direction of length direction is in the scope of 0.1 ~ 3.0 μm, is preferably in the scope of 0.2 ~ 2.5 μm.
In addition, branched chain threadiness compound is also involved as fibrous compound (C) in the present invention.
As this branched chain threadiness organic compound, list the fibrous organic compound etc. such as paper pulp, polyethylene fibre, polypropylene fibre, polyethylene fibre etc. are suitable.
About the compounding ratio of above-mentioned fibrous compound (D), usually, relative to resin solid substance 100 weight part of resin emulsion (A) in the scope of 0.1 ~ 6 mass parts, preferably in the scope of 0.2 ~ 3 mass parts.
< heat insulation painting material >
In heat insulation painting material in the present invention, pigment composition can be comprised further as required, membrane producing promoter, thickening prevent sagging dose, defoamer, dispersion agent, fibrous compound etc. except above-mentioned (D).
In addition, as pigment composition, such as, list the tinting pigments such as titanium oxide, carbon black, phthalocyanine blue, ferric oxide, the pigment extenders etc. such as clay, talcum, mica, silica, calcium carbonate.
About its consumption, all as pigment composition, become 0.5 ~ 50% according to the pigment volume concentration (PVC) (following, abbreviation is " PVC " sometimes) relative to aforementioned resin emulsion (A), preferably the mode of 1 ~ 30% is compounding.
Herein, " PVC " volume ratio (%) that to be pigment composition shared in the mixture solid substance of resin and pigment, is obtained by the mathematical expression of (volume of pigment composition)/(volume of the volume+tree fat solid substance of pigment composition) × 100.The proportion of pigment is the proportion based on " coating raw material handbook the 6th edition " (Corporation's Japanese coating industry meeting), and in addition, the proportion of resin solid substance is approximately 1.
From the viewpoint of the thermal insulation of heat insulation painting material of the present invention, about above-mentioned pigment composition, also can comprise carbon black according to pigment volume concentration (PVC) less than 0.5% ground, or not contain.
< constructional heat-insulating >
Constructional heat-insulating of the present invention on base material for building, the mode of thick film is provided with above-mentioned heat insulation painting material by coating.
The thickness of the thermofin obtained based on heat insulation painting material is not particularly limited, but is generally 1 ~ 50mm, is preferably 3 ~ 35mm.
The thickness of thermofin then cannot obtain sufficient thermal insulation when being thinner than 1mm, more than then not easily carrying out the application of heat insulation painting material during 50mm and the formation of film (making film) becomes difficult, thermal insulation and water-repellancy insufficient.
As the substrate surface for building of the above-mentioned heat insulation painting material of coating, list outside wall surface, inner-wall surface, deck etc., they can be newly-built also can be built.The film of acrylic resin class, acrylated polyurethane resin class, polyurethane type resin, fluorine type resin, silica acrylic acid resinoid class, vinyl acetate resin class etc. also can be set on these base materials for building.
In addition, can the direct above-mentioned heat insulation painting material of application on the surface of these building materials, but also in advance sealing agent, prime coat can be set at substrate surface from the viewpoint of tack.
About the application of above-mentioned heat insulation painting material, by such as blowing and spraying, pouring into a mould, trowel coating, roller, bristle etc. always known method carry out.
In addition, provide a kind of constructional heat-insulating in the present invention, it, by being coated with cement composition outside the room of masonry wall, arranging the thermofin obtained based on above-mentioned heat insulation painting material and forms on the surface of formed cement layer.
Masonry wall refers to the wall formed by being piled up by the blocks such as brick, stone, concrete.
As cement composition, its starting material, composition are not particularly limited, but be the inorganic compositions of the hydraulicity, such as list ordinary Portland cement, rapid hardening silicate cement, hypervelocity solidifying silicate cement, moderate-heat portland cement, the silicate cement of resistance to vitriol, white portland cement, alundum cement, ultra-quick cement, expansive cement, acid phosphate salt cement, silica cement, blast furnace cement, flyash ash concrete, keene's cement etc., wherein, compounding as aggregate mortar, concrete also comprise as cement composition.
As aggregate, such as, list perlite, expanded vermiculite, float stone, ALC crushed material, styrene resin foam, ethylene vinyl acetate resin foam, vinyl chloride resin foam etc.
As above-mentioned cement composition, it also can be the cement composition comprising settling promotor, water reducer, thickening material, filamentary material, dispersion agent, organic resin etc. except mentioned component.
About cement layer, by the mixing thing that obtains is coated with on above-mentioned masonry wall by adding water in above-mentioned cement composition, be cured.This mixing thing also can be coated with repeatedly as required and repeatedly.In addition, also can attach the nets such as wire netting to be coated with.
The thickness of this cement layer can suitably adjust, but is generally about 1 ~ 30mm, is in particular about 2 ~ 20mm, at Air drying.
When carrying out upper strata coating application further on above-mentioned thermofin, as upper strata coating application, it is that the white of the film of more than 75% hides hot coating that applicable application can form sunshine reflectivity.
This is because, thermal insulation and water-repellancy can be improved according to this structure simultaneously.
Before the application of this upper strata coating composition, in order to improve the attachment with heat insulating coating film, also can application sealing agent as required.About the application of above-mentioned upper strata coating composition, by methods such as spraying, roller, bristles, be preferably 150 ~ 3,000g/m 2the glue spread of scope.
Embodiment
Below, further illustrate the present invention by embodiment, but the invention is not restricted to these embodiments.Be explained, " part " and " % " in following example represents " mass parts " and " quality % " respectively.
Embodiment 1 ~ 6 and comparative example 1 ~ 2
Composition shown in compounding table 1, is uniformly mixed and obtains each water-borne heat-insulating painting material (X-1) ~ (X-6) and (Y-1) ~ (Y-2).(note) in table 1 is as shown in following.
(note 1) resin emulsion (A-1): styrene acrylic/2-ethylhexyl/diacetone-acryloamide(DAA)/methacrylic acid=10/83/5/2 copolymer emulsion, solid substance 55%
(note 2) resin emulsion (A-2): styrene/acrylic 2-ethylhexyl/n-butyl acrylate/methacrylic acid=10/40/48/2 solid substance 55%
The spheroidal particle of (note 3) expanded polystyrene particle: median size 1mm, tap density 0.04g/cc
(note 4) titanium oxide: proportion 4.0
(note 5) alkali magnesium sulfate: threadiness, average major diameter 15 μm, average minor axis 0.5 μm
(note 6) Chemivest FDSS-5: branched chain fibrous polyethylenes, Mitsui Chemicals, Inc.'s system,
(note 7) aluminium hydroxide, median size 25 μm
(note 8) fire retardant material: " CR-900 " large eight chemical company's systems, the brominated brominated phosphoric acid ester of 70%, phosphorous 3%.
Evaluate above-mentioned each painting material, will table 1 be the results are shown in.
(* 1) thermal insulation: carry out blowing and spraying application according to the mode becoming about 5mm with dry film thickness on fluoro-resin coating steel, 20 DEG C, dry 7 days of the thermostatic constant wet chamber of 65%RH and define film.Then, peel off film from fluoro-resin coating steel, make the free film that thickness is about 5mm, cut into 70 × 150mm as sample, " QTM-500 " (the capital of a country Electronics Industry Company system) of use measures thermal conductivity [W/mK], as thermal insulation.In table, be worth lower then better.
(* 2) water-repellancy: at the slate plate of 400 × 200 × 6mm, by epoxy resin priming paint with glue spread 0.1kg/m 2carry out atomized spray painting, dry 16 hours in normal conditions, then by each heat insulation painting material with glue spread 1kg/m 2carry out atomized spray painting, maintenance 14 days, using the product that obtains as test body.For the permeable amount of obtained test body, measure according to the order of JIS A69097.13 " water permeabillity test B method ", thus water-repellancy is evaluated.
◎: permeable amount less than 0.2ml,
Zero: permeable amount is more than 0.2mL and less than 0.5ml,
△: permeable amount is more than 0.5ml and less than 1ml,
×: permeable amount is more than 1ml.
(* 3) flame retardant resistance: by the flame of candle close to the test body employed in above-mentioned waterproofing property evaluation, evaluates by following benchmark.
◎: do not burn completely,
Zero: catch fire, but do not prolong burning and extinguish soon,
△: catch fire and continue slowly to burn,
×: catch fire and continue to burn intensely.
(* 4) fracture-resistant: make the test body same with the test body employed in above-mentioned waterproofing property evaluation respectively, for the warm cold cycle test water stain leaching (23 DEG C) 18hr →-20 DEG C × 3hr → 50 DEG C × 3hr being set to a circulation, carry out total 10 circulation, then confirm appearance of film.
◎: do not find and break,
×: produce significantly and break
(* 5) painting operation: according to following benchmark, the painting operation for each heat insulation painting material when making the test body employed in above-mentioned waterproofing property evaluation is evaluated.
◎: good,
Zero: can not carry out application with hindering,
△: have and hinder and be difficult to application,
×: be unsuitable for application.
Table 1
< thermal insulation outer wall >
Thermal insulation outer wall of the present invention is shown in Fig. 1.In FIG, the thickness of cement layer is 10mm, and the thickness of thermofin is the layer of 5mm, and retouching layer is 60 μm, and the outer wall use employing reflectivity about 80% at sunshine herein hides hot coating (white).
Description of reference numerals
1: interior material (the interior finish film layer on cement layer)
2: the wall of brick masonry structure
3: cement layer
4: thermofin
5: retouching layer

Claims (6)

1. a heat insulation painting material, it is characterized in that, comprise: synthetic resin emulsion (A), hollow particle (B), fire retardant material (C) and fibrous compound (D), the compounding amount of fire retardant material (C) relative to resin solid substance 100 mass parts of synthetic resin emulsion (A) in the scope of 10 ~ 300 mass parts, this fibrous compound (D) to be long-width ratio be 1.5 ~ 250 fibrous mineral compound and/or there is the fibrous organic compound of branched structure.
2. a constructional heat-insulating, it is characterized in that, it is the building materials being formed with application type thermofin, heat insulation painting material for the formation of this application type thermofin comprises: synthetic resin emulsion (A), hollow particle (B), fire retardant material (C) and fibrous compound (D), this fibrous compound (D) to be long-width ratio be 1.5 ~ 250 fibrous mineral compound and/or there is the fibrous organic compound of branched structure.
3. a constructional heat-insulating, it by being coated with cement composition outside the room of masonry wall, forms thermofin and formed at the surface coated of formed cement layer heat insulation painting material according to claim 1.
4. the constructional heat-insulating according to Claims 2 or 3, its by arrange further on thermofin sunshine reflectivity be more than 75% white hide thermosphere formed.
5. a buildings, it is built by using the constructional heat-insulating according to any one of claim 2 ~ 4 and obtains.
6. a buildings method for trimming, is characterized in that, uses the heat insulation painting material described in claim 1.
CN201410164526.3A 2013-12-11 2014-04-23 Heat-insulated painting material, constructional heat-insulating and building dressing method Expired - Fee Related CN104710893B (en)

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