CN107163831A - A kind of low thermal conductivity heat insulating coating material for wall and preparation method thereof - Google Patents
A kind of low thermal conductivity heat insulating coating material for wall and preparation method thereof Download PDFInfo
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- CN107163831A CN107163831A CN201710467899.1A CN201710467899A CN107163831A CN 107163831 A CN107163831 A CN 107163831A CN 201710467899 A CN201710467899 A CN 201710467899A CN 107163831 A CN107163831 A CN 107163831A
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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
- C09D177/00—Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
- C08G59/621—Phenols
- C08G59/623—Aminophenols
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of low thermal conductivity heat insulating coating material for wall and preparation method thereof, it is related to building material technical field, includes the raw material of following part meter：85 ~ 95 parts of 75 ~ 85 parts of polyamide, 55 ~ 65 parts of epoxy resin, modified 45 ~ 55 parts of hollow ceramic microspheres, 35 ~ 40 parts of aerosil, 30 ~ 33 parts of talcum powder, 25 ~ 27 parts of mineral wool, 20 ~ 23 parts of inorganic additive, 15 ~ 20 parts of infrared reflecting paint, 15 ~ 18 parts of auxiliary agent and deionized water.Low heat conduction protective layer is formed on wall after the present invention is admittedly dry, also with good corrosion resistance, caking property and compression strength.
Description
Technical field
The present invention relates to building coating technical field, and in particular to a kind of low thermal conductivity heat insulating coating material for wall and its preparation
Method.
Background technology
At present, heat insulating coatings are widely applied in national economy every field, however, general heat-insulation and heat-preservation
Coating to reduction convection current and radiant heat transfer effect it is poor, and heat-insulation layer is thicker, not anti-vibration, water absorption rate height, service life it is short, anti-corrosion
Ability, most widely used isolation-type thermal insulation coatings are compound silicate insulating paints, existing extensive practical application.But should
Coating still suffers from the defect that own material structure is brought, and such as length arid cycle, execution conditions are by season and climatic effect be big, resistance to punching
Hitting property is poor, dries and shrinks the deficiencies such as big, hydroscopicity is big, relatively low to the adhesion strength of wall.
The content of the invention
It is an object of the invention to provide a kind of low thermal conductivity heat insulating coating material for wall and preparation method thereof, Gu in wall after dry
Upper formation closed porosity and reticular fiber structure, forms low heat conduction protective layer, also with good corrosion resistance, caking property and
Compression strength, efficiently solve thermal-insulation coating performance and impact resistance it is poor, it is relatively low to the adhesion strength of wall the problems such as.
The invention provides following technical scheme：A kind of low thermal conductivity heat insulating coating material for wall, including following part meter
Raw material：75 ~ 85 parts of polyamide, 55 ~ 65 parts of epoxy resin, modified 45 ~ 55 parts of hollow ceramic microspheres, aerosil
35 ~ 40 parts, 30 ~ 33 parts of talcum powder, 25 ~ 27 parts of mineral wool, 20 ~ 23 parts of inorganic additive, 15 ~ 20 parts of infrared reflecting paint, help
85 ~ 95 parts of 15 ~ 18 parts of agent and deionized water；
The modified hollow ceramic microspheres include the raw material that following part is counted：22 ~ 25 parts of hollow ceramic microspheres, hydrofluoric acid solution 10 ~
13 parts and 5 ~ 8 parts of chrome-alumina phosphate solution；
The auxiliary agent includes the raw material that following part is counted：3 ~ 5 parts of coalescents, 3 ~ 5 parts of antifreezing agent, 1 ~ 2 part of curing agent, dispersant 1 ~
0.2 ~ 0.8 part of 2 parts, 0.2 ~ 1.2 part of defoamer and wetting agent.
Preferably, the raw material of following part meter is included：80 parts of polyamide, 60 parts of epoxy resin, modified hollow ceramic are micro-
50 parts of pearl, 37.5 parts of aerosil, 31.5 parts of talcum powder, 26 parts of mineral wool, 21.5 parts of inorganic additive, infrared external reflection
90 parts of 17.5 parts of pigment, 17.5 parts of auxiliary agent and deionized water；
The modified hollow ceramic microspheres include the raw material that following part is counted：23.5 parts of hollow ceramic microspheres, hydrofluoric acid solution 11.5
6.5 parts of part and chrome-alumina phosphate solution；
The auxiliary agent includes the raw material that following part is counted：4 parts of coalescents, 4 parts of antifreezing agent, 1.5 parts of curing agent, 1.5 parts of dispersant,
0.5 part of 0.7 part of defoamer and wetting agent.
Preferably, the particle diameter of the hollow ceramic microspheres is 30 ~ 60 microns, the concentration of the hydrofluoric acid solution for 0.3 ~
0.5%, the concentration of the chrome-alumina phosphate solution is 0.5 ~ 1%.
Preferably, the mineral wool is to melt thin, short, the cotton-shaped mineral wool that centrifugal blast is made again by waste and old cullet.
Preferably, the inorganic additive is the one or more in wollastonite, silicon powder, vermiculite and mica powder.
Preferably, the infrared reflecting paint is rutile titanium dioxide, anatase titanium dioxide, antimony oxide and zinc oxide
In one or more.
Preferably, the coalescents are alcohol ester 12, and the antifreezing agent is calcium chloride or calcium carbonate, the curing agent
For phenolic aldehyde amine, the dispersant is polycarboxylic acids ammonium salt dispersant, and the defoamer is mineral oils or organic silicon defoamer, institute
Wetting agent is stated for polyether-modified polydimethylsiloxanecopolymer copolymer wetting agent.
The present invention provides a kind of preparation method of low thermal conductivity heat insulating coating material for wall, comprises the following steps：
（1）, prepare modified hollow ceramic microspheres
Weigh hollow ceramic microspheres, hollow ceramic microspheres be put into hydrofluoric acid solution, with 30 ~ 40r/min rotating speeds stirring 5 ~
10min, makes its dispersed, and hollow ceramic microspheres are taken out in filtering, and washing is 7 up to pH, is put into drying box and dries, control
Temperature is 70 ~ 80 DEG C, until hollow ceramic microspheres are completely dried, is taken out；
Hollow glass micropearl after foregoing be completely dried is put into chrome-alumina phosphate solution, mixed with 50 ~ 60r/min rotating speeds
15 ~ 20min, green compact are pressed into using cylindrical sample compacting tool set, and obtained green compact drying to moisture content is less than into 5%, Ran Houyu
Calcined in Muffle furnace, calcining heat is 500~600 DEG C, and the modified hollow glass micropearl is obtained after cooling, standby；
（2）, prepare aerosil slurry
Weigh dispersant, wetting agent and defoamer to add in deionized water, dispersed with stirring is uniform, is slowly added to silica airsetting
Glue, 1 ~ 2h of supersonic oscillations after being uniformly dispersed, then the grinding of ground machine are prepared into aeroge slurry, standby；
（3）, mineral wool is put into ball mill with 20r/min speed ball milling 15min, take out the mineral wool after ball milling, be put into mixed
Mixer is closed, step is added into mixing and blending machine（1）Obtained modification hollow glass micropearl, step（2）Obtained titanium dioxide
Silica aerogel slurry and surplus stock, are mixed evenly, and obtain the low thermal conductivity heat insulating coating material for wall.
Beneficial effects of the present invention：Gu forming closed porosity and reticular fiber structure after dry on wall, low heat conduction is formed
Protective layer, also with good corrosion resistance, caking property and compression strength, efficiently solves thermal-insulation coating performance and resistance to punching
Hitting property is poor, it is relatively low to the adhesion strength of wall the problems such as, it is specific as follows：
（1）, the polyamide that adds in the present invention, it is easy to process, with heat resistance, wear resistance, chemical proofing and
Self lubricity, and coefficient of friction is low, there is certain anti-flammability；The epoxy resin of addition, to metal and the surface of nonmetallic materials
With excellent adhesive strength, dielectric properties are good, and set shrinkage factor is small, and product size stability is good, and hardness is high, pliability compared with
It is good, to alkali and most of solvent-stable and an antisepsis；The talcum powder of addition, with lubricity, it is anti-stick, help stream, fire resistance,
The excellent characteristic such as acid-resisting, insulating properties, fusing point be high and absorption affinity is strong；
（2）, in the present invention addition phenolic aldehyde amine as curing agent, can rapid curing at low ambient temperatures, and with good anti-corrosion
Performance；The benzene ring structure of the curing agent has more preferable compatibility with epoxy resin, so as to the viscosity of further reduction system,
Improve host and the compatibility of auxiliary agent；
（3）, the mineral wool that adds in the present invention, be that the glass in molten condition with centrifugal injection method technique is subjected to fibrosis
The filamentary material that spraying thermosetting resin is made, then by heat cure deep processing processing, with fire-retardant, nontoxic, corrosion-resistant, unit weight
The performance such as small, thermal conductivity factor is low, chemical stability is strong, hydroscopicity is low, hydrophobicity performance is good；
（4）, the aerosil that adds in the present invention, be light nanoporous amorphous solid material, its porosity is high, room
Warm thermal conductivity factor is low, and insulation is carried out using solid thermal conduction, convection current heat transfer and the triple modes of radiation thermal conduction；
（5）, instant invention overcomes thick quality guarantee thermo-paint decoration sense it is poor should not be used in face painting shortcoming, also overcome thin coating
Thickness applies shortcoming easy to crack, and easy construction, spreading, brushing, plasticity is strong；It is easy to keeping and transports, super quality and competitive price；
（6）, add modified hollow ceramic microspheres in the present invention, its surface is modified simultaneously by hydrofluoric acid solution and chrome-alumina phosphate solution
High-temperature calcination is coordinated to be made, with high reflectance, high radiant rate, the excellent thermal property of low heat conductivity and low accumulation of heat rate.Simultaneously
Ceramic fine bead has that form and aspect are good, outward appearance such as precipitated calcium carbonate, can with it is any matching in colour；Light specific gravity volume is big, can subtract significantly
The consumption of few base-material, the hybrid technique with other raw materials is relatively simple, and hydrophily is carried out to hollow ceramic microspheres using hydrofluoric acid
Processing, improves the wetability of bead surface, while using water base chrome-alumina phosphate as binding agent, connecting ceramic fine bead, improves empty
The intensity of heart ceramic fine bead.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments be merely to illustrate the present invention and without
In limitation the scope of the present invention.
Embodiment 1
A kind of low thermal conductivity heat insulating coating material for wall, includes the raw material of following part meter：75 parts of polyamide, epoxy resin 55
Part, modified 45 parts of hollow ceramic microspheres, 35 parts of aerosil, 30 parts of talcum powder, 25 parts of mineral wool, inorganic additive 20
Part, 15 parts of infrared reflecting paint, 15 parts of auxiliary agent and 85 parts of deionized water；
The modified hollow ceramic microspheres include the raw material that following part is counted：22 parts of hollow ceramic microspheres, 10 parts of hydrofluoric acid solution and
5 parts of chrome-alumina phosphate solution；
The auxiliary agent includes the raw material that following part is counted：3 parts of coalescents, 3 parts of antifreezing agent, 1 part of curing agent, 1 part of dispersant, froth breaking
0.2 part of 0.2 part of agent and wetting agent.
Wherein, the particle diameter of the hollow ceramic microspheres is 30 microns, and the concentration of the hydrofluoric acid solution is 0.3%, the phosphorus
The concentration of sour chromium aluminum solutions is 0.5%.
Wherein, the mineral wool is to melt thin, short, the cotton-shaped mineral wool that centrifugal blast is made again by waste and old cullet.
Wherein, the inorganic additive is wollastonite.
Wherein, the infrared reflecting paint is rutile titanium dioxide.
Wherein, the coalescents are alcohol ester 12, and the antifreezing agent is calcium chloride, and the curing agent is phenolic aldehyde amine, institute
Dispersant is stated for polycarboxylic acids ammonium salt dispersant, the defoamer is mineral oil defoaming agent, the wetting agent is polyether-modified poly-
Dimethylsiloxane copolymer wetting agent.
The present embodiment provides a kind of preparation method of low thermal conductivity heat insulating coating material for wall, comprises the following steps：
（1）, prepare modified hollow ceramic microspheres
Hollow ceramic microspheres are weighed, hollow ceramic microspheres are put into hydrofluoric acid solution, 5min is stirred with 30r/min rotating speeds, made
Its is dispersed, and hollow ceramic microspheres are taken out in filtering, and washing is 7 up to pH, is put into drying box and dries, and it is 70 to control temperature
DEG C, until hollow ceramic microspheres are completely dried, take out；
Hollow glass micropearl after foregoing be completely dried is put into chrome-alumina phosphate solution, mixed with 50r/min rotating speeds
15min, green compact are pressed into using cylindrical sample compacting tool set, are 4% by obtained green compact drying to moisture content, then in Muffle
Calcined in stove, calcining heat is 500 DEG C, and the modified hollow glass micropearl is obtained after cooling, standby；
（2）, prepare aerosil slurry
Weigh dispersant, wetting agent and defoamer to add in deionized water, dispersed with stirring is uniform, is slowly added to silica airsetting
Glue, supersonic oscillations 1h after being uniformly dispersed, then the grinding of ground machine are prepared into aeroge slurry, standby；
（3）, mineral wool is put into ball mill with 20r/min speed ball milling 15min, take out the mineral wool after ball milling, be put into mixed
Mixer is closed, step is added into mixing and blending machine（1）Obtained modification hollow glass micropearl, step（2）Obtained titanium dioxide
Silica aerogel slurry and surplus stock, are mixed evenly, and obtain the low thermal conductivity heat insulating coating material for wall.
Embodiment 2
A kind of low thermal conductivity heat insulating coating material for wall, includes the raw material of following part meter：85 parts of polyamide, epoxy resin 65
Part, modified 55 parts of hollow ceramic microspheres, 40 parts of aerosil, 33 parts of talcum powder, 27 parts of mineral wool, inorganic additive 23
Part, 20 parts of infrared reflecting paint, 18 parts of auxiliary agent and 95 parts of deionized water；
The modified hollow ceramic microspheres include the raw material that following part is counted：25 parts of hollow ceramic microspheres, 13 parts of hydrofluoric acid solution and
8 parts of chrome-alumina phosphate solution；
The auxiliary agent includes the raw material that following part is counted：5 parts of coalescents, 5 parts of antifreezing agent, 2 parts of curing agent, 2 parts of dispersant, froth breaking
0.8 part of 1.2 parts of agent and wetting agent.
Wherein, the particle diameter of the hollow ceramic microspheres is 60 microns, and the concentration of the hydrofluoric acid solution is 0.5%, the phosphorus
The concentration of sour chromium aluminum solutions is 1%.
Wherein, the mineral wool is to melt thin, short, the cotton-shaped mineral wool that centrifugal blast is made again by waste and old cullet.
Wherein, the inorganic additive is silicon powder.
Wherein, the infrared reflecting paint is anatase titanium dioxide.
Wherein, the coalescents are alcohol ester 12, and the antifreezing agent is calcium carbonate, and the curing agent is phenolic aldehyde amine, institute
Dispersant is stated for polycarboxylic acids ammonium salt dispersant, the defoamer is organic silicon defoamer, the wetting agent is polyether-modified poly-
Dimethylsiloxane copolymer wetting agent.
The present embodiment provides a kind of preparation method of low thermal conductivity heat insulating coating material for wall, comprises the following steps：
（1）, prepare modified hollow ceramic microspheres
Hollow ceramic microspheres are weighed, hollow ceramic microspheres are put into hydrofluoric acid solution, 10min is stirred with 40r/min rotating speeds, made
Its is dispersed, and hollow ceramic microspheres are taken out in filtering, and washing is 7 up to pH, is put into drying box and dries, and it is 80 to control temperature
DEG C, until hollow ceramic microspheres are completely dried, take out；
Hollow glass micropearl after foregoing be completely dried is put into chrome-alumina phosphate solution, mixed with 60r/min rotating speeds
20min, green compact are pressed into using cylindrical sample compacting tool set, are 3% by obtained green compact drying to moisture content, then in Muffle
Calcined in stove, calcining heat is 600 DEG C, and the modified hollow glass micropearl is obtained after cooling, standby；
（2）, prepare aerosil slurry
Weigh dispersant, wetting agent and defoamer to add in deionized water, dispersed with stirring is uniform, is slowly added to silica airsetting
Glue, supersonic oscillations 2h after being uniformly dispersed, then the grinding of ground machine are prepared into aeroge slurry, standby；
（3）, mineral wool is put into ball mill with 20r/min speed ball milling 15min, take out the mineral wool after ball milling, be put into mixed
Mixer is closed, step is added into mixing and blending machine（1）Obtained modification hollow glass micropearl, step（2）Obtained titanium dioxide
Silica aerogel slurry and surplus stock, are mixed evenly, and obtain the low thermal conductivity heat insulating coating material for wall.
Embodiment 3
A kind of low thermal conductivity heat insulating coating material for wall, includes the raw material of following part meter：80 parts of polyamide, epoxy resin 60
Part, modified 50 parts of hollow ceramic microspheres, 37.5 parts of aerosil, 31.5 parts of talcum powder, 26 parts of mineral wool, inorganic addition
90 parts of 21.5 parts of agent, 17.5 parts of infrared reflecting paint, 17.5 parts of auxiliary agent and deionized water；
The modified hollow ceramic microspheres include the raw material that following part is counted：23.5 parts of hollow ceramic microspheres, hydrofluoric acid solution 11.5
6.5 parts of part and chrome-alumina phosphate solution；
The auxiliary agent includes the raw material that following part is counted：4 parts of coalescents, 4 parts of antifreezing agent, 1.5 parts of curing agent, 1.5 parts of dispersant,
0.5 part of 0.7 part of defoamer and wetting agent.
Wherein, the particle diameter of the hollow ceramic microspheres is 45 microns, and the concentration of the hydrofluoric acid solution is 0.4%, the phosphorus
The concentration of sour chromium aluminum solutions is 0.7%.
Wherein, the mineral wool is to melt thin, short, the cotton-shaped mineral wool that centrifugal blast is made again by waste and old cullet.
Wherein, the inorganic additive is vermiculite.
Wherein, the infrared reflecting paint is antimony oxide.
Wherein, the coalescents are alcohol ester 12, and the antifreezing agent is calcium carbonate, and the curing agent is phenolic aldehyde amine, institute
Dispersant is stated for polycarboxylic acids ammonium salt dispersant, the defoamer is mineral oil defoaming agent, the wetting agent is polyether-modified poly-
Dimethylsiloxane copolymer wetting agent.
A kind of preparation method of low thermal conductivity heat insulating coating material for wall is provided in the present embodiment, comprised the following steps：
（1）, prepare modified hollow ceramic microspheres
Hollow ceramic microspheres are weighed, hollow ceramic microspheres are put into hydrofluoric acid solution, 7min is stirred with 35r/min rotating speeds, made
Its is dispersed, and hollow ceramic microspheres are taken out in filtering, and washing is 7 up to pH, is put into drying box and dries, and it is 75 to control temperature
DEG C, until hollow ceramic microspheres are completely dried, take out；
Hollow glass micropearl after foregoing be completely dried is put into chrome-alumina phosphate solution, mixed with 55r/min rotating speeds
17min, green compact are pressed into using cylindrical sample compacting tool set, are 2% by obtained green compact drying to moisture content, then in Muffle
Calcined in stove, calcining heat is 550 DEG C, and the modified hollow glass micropearl is obtained after cooling, standby；
（2）, prepare aerosil slurry
Weigh dispersant, wetting agent and defoamer to add in deionized water, dispersed with stirring is uniform, is slowly added to silica airsetting
Glue, supersonic oscillations 1.5h after being uniformly dispersed, then the grinding of ground machine are prepared into aeroge slurry, standby；
（3）, mineral wool is put into ball mill with 20r/min speed ball milling 15min, take out the mineral wool after ball milling, be put into mixed
Mixer is closed, step is added into mixing and blending machine（1）Obtained modification hollow glass micropearl, step（2）Obtained titanium dioxide
Silica aerogel slurry and surplus stock, are mixed evenly, and obtain the low thermal conductivity heat insulating coating material for wall.
The present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, its according to
The technical scheme described in foregoing embodiments can so be modified, or which part technical characteristic is equally replaced
Change.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention
Protection domain within.
Claims (8)
1. a kind of low thermal conductivity heat insulating coating material for wall, it is characterised in that the raw material counted including following part：Polyamide 75 ~
85 parts, 55 ~ 65 parts of epoxy resin, modified 45 ~ 55 parts of hollow ceramic microspheres, 35 ~ 40 parts of aerosil, talcum powder 30 ~
33 parts, 25 ~ 27 parts of mineral wool, 20 ~ 23 parts of inorganic additive, 15 ~ 20 parts of infrared reflecting paint, 15 ~ 18 parts of auxiliary agent and deionization
85 ~ 95 parts of water；
The modified hollow ceramic microspheres include the raw material that following part is counted：22 ~ 25 parts of hollow ceramic microspheres, hydrofluoric acid solution 10 ~
13 parts and 5 ~ 8 parts of chrome-alumina phosphate solution；
The auxiliary agent includes the raw material that following part is counted：3 ~ 5 parts of coalescents, 3 ~ 5 parts of antifreezing agent, 1 ~ 2 part of curing agent, dispersant 1 ~
0.2 ~ 0.8 part of 2 parts, 0.2 ~ 1.2 part of defoamer and wetting agent.
2. low thermal conductivity heat insulating coating material for wall according to claim 1, it is characterised in that the original counted including following part
Material：80 parts of polyamide, 60 parts of epoxy resin, modified 50 parts of hollow ceramic microspheres, 37.5 parts of aerosil, talcum
31.5 parts of powder, 26 parts of mineral wool, 21.5 parts of inorganic additive, 17.5 parts of infrared reflecting paint, 17.5 parts of auxiliary agent and deionized water
90 parts；
The modified hollow ceramic microspheres include the raw material that following part is counted：23.5 parts of hollow ceramic microspheres, hydrofluoric acid solution 11.5
6.5 parts of part and chrome-alumina phosphate solution；
The auxiliary agent includes the raw material that following part is counted：4 parts of coalescents, 4 parts of antifreezing agent, 1.5 parts of curing agent, 1.5 parts of dispersant,
0.5 part of 0.7 part of defoamer and wetting agent.
3. low thermal conductivity heat insulating coating material for wall according to claim 1, it is characterised in that the hollow ceramic microspheres
Particle diameter is 30 ~ 60 microns, and the concentration of the hydrofluoric acid solution is 0.3 ~ 0.5%, the concentration of the chrome-alumina phosphate solution for 0.5 ~
1%。
4. low thermal conductivity heat insulating coating material for wall according to claim 1, it is characterised in that the mineral wool is by waste and old
Cullet melting thin, short, the cotton-shaped mineral wool that centrifugal blast is made again.
5. low thermal conductivity heat insulating coating material for wall according to claim 1, it is characterised in that the inorganic additive is silicon
One or more in lime stone, silicon powder, vermiculite and mica powder.
6. low thermal conductivity heat insulating coating material for wall according to claim 1, it is characterised in that the infrared reflecting paint is
One or more in rutile titanium dioxide, anatase titanium dioxide, antimony oxide and zinc oxide.
7. low thermal conductivity heat insulating coating material for wall according to claim 1, it is characterised in that the coalescents are alcohol ester
12, the antifreezing agent is calcium chloride or calcium carbonate, and the curing agent is phenolic aldehyde amine, and the dispersant is polycarboxylic acids ammonium salt point
Powder, the defoamer is mineral oils or organic silicon defoamer, and the wetting agent is polyether-modified dimethyl silicone polymer
Copolymer wetting agent.
8. a kind of preparation method of low thermal conductivity heat insulating coating material for wall according to any one of claim 1 ~ 7, its feature
It is, comprises the following steps：
（1）, prepare modified hollow ceramic microspheres
Weigh hollow ceramic microspheres, hollow ceramic microspheres be put into hydrofluoric acid solution, with 30 ~ 40r/min rotating speeds stirring 5 ~
10min, makes its dispersed, and hollow ceramic microspheres are taken out in filtering, and washing is 7 up to pH, is put into drying box and dries, control
Temperature is 70 ~ 80 DEG C, until hollow ceramic microspheres are completely dried, is taken out；
Hollow glass micropearl after foregoing be completely dried is put into chrome-alumina phosphate solution, mixed with 50 ~ 60r/min rotating speeds
15 ~ 20min, green compact are pressed into using cylindrical sample compacting tool set, and obtained green compact drying to moisture content is less than into 5%, Ran Houyu
Calcined in Muffle furnace, calcining heat is 500~600 DEG C, and the modified hollow glass micropearl is obtained after cooling, standby；
（2）, prepare aerosil slurry
Weigh dispersant, wetting agent and defoamer to add in deionized water, dispersed with stirring is uniform, is slowly added to silica airsetting
Glue, 1 ~ 2h of supersonic oscillations after being uniformly dispersed, then the grinding of ground machine are prepared into aeroge slurry, standby；
（3）, mineral wool is put into ball mill with 20r/min speed ball milling 15min, take out the mineral wool after ball milling, be put into mixed
Mixer is closed, step is added into mixing and blending machine（1）Obtained modification hollow glass micropearl, step（2）Obtained titanium dioxide
Silica aerogel slurry and surplus stock, are mixed evenly, and obtain the low thermal conductivity heat insulating coating material for wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710467899.1A CN107163831A (en) | 2017-06-20 | 2017-06-20 | A kind of low thermal conductivity heat insulating coating material for wall and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746185A (en) * | 2017-09-27 | 2018-03-02 | 安徽吉曜玻璃微纤有限公司 | A kind of glass micro-fibers for producing the method for glass micro-fibers and producing in this way |
| CN108976950A (en) * | 2018-08-02 | 2018-12-11 | 广东金意陶陶瓷集团有限公司 | Insulating moulding coating, heat insulating coat and construction material |
| CN109021631A (en) * | 2018-08-14 | 2018-12-18 | 苏州华龙化工有限公司 | A kind of preparation method of the anti-aging coating of mineral wool base anticracking |
| CN109971308A (en) * | 2019-03-01 | 2019-07-05 | 北京碧海舟腐蚀防护工业股份有限公司 | No-solvent type heat-insulating anti-corrosive coating and corrosion-inhibiting coating |
| CN111117421A (en) * | 2019-12-16 | 2020-05-08 | 中国石油天然气股份有限公司 | Aerogel composite coating and application thereof in underground oil pipe |
| CN114105570A (en) * | 2021-12-17 | 2022-03-01 | 乐昌市住宅建筑工程有限公司 | Novel heat-preservation and heat-insulation integrated wallboard and manufacturing method thereof |
| CN116622287A (en) * | 2023-06-10 | 2023-08-22 | 浙江新瑞铭装饰材料有限公司 | Thermal insulation coating for decorative plate and preparation method thereof |
| CN117025188A (en) * | 2023-10-10 | 2023-11-10 | 中国石油大学(华东) | Low-thermal-conductivity additive for deep water shallow layer well cementation as well as preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103601387A (en) * | 2013-11-18 | 2014-02-26 | 天津大学 | Method of preparing heat insulating material by modifying surfaces of hollow glass beads |
| CN104774528A (en) * | 2015-03-12 | 2015-07-15 | 江苏科技大学 | Anticorrosion heat-insulation paint and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601387A (en) * | 2013-11-18 | 2014-02-26 | 天津大学 | Method of preparing heat insulating material by modifying surfaces of hollow glass beads |
| CN104774528A (en) * | 2015-03-12 | 2015-07-15 | 江苏科技大学 | Anticorrosion heat-insulation paint and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746185A (en) * | 2017-09-27 | 2018-03-02 | 安徽吉曜玻璃微纤有限公司 | A kind of glass micro-fibers for producing the method for glass micro-fibers and producing in this way |
| CN108976950A (en) * | 2018-08-02 | 2018-12-11 | 广东金意陶陶瓷集团有限公司 | Insulating moulding coating, heat insulating coat and construction material |
| CN109021631A (en) * | 2018-08-14 | 2018-12-18 | 苏州华龙化工有限公司 | A kind of preparation method of the anti-aging coating of mineral wool base anticracking |
| CN109971308A (en) * | 2019-03-01 | 2019-07-05 | 北京碧海舟腐蚀防护工业股份有限公司 | No-solvent type heat-insulating anti-corrosive coating and corrosion-inhibiting coating |
| CN111117421A (en) * | 2019-12-16 | 2020-05-08 | 中国石油天然气股份有限公司 | Aerogel composite coating and application thereof in underground oil pipe |
| CN114105570A (en) * | 2021-12-17 | 2022-03-01 | 乐昌市住宅建筑工程有限公司 | Novel heat-preservation and heat-insulation integrated wallboard and manufacturing method thereof |
| CN116622287A (en) * | 2023-06-10 | 2023-08-22 | 浙江新瑞铭装饰材料有限公司 | Thermal insulation coating for decorative plate and preparation method thereof |
| CN117025188A (en) * | 2023-10-10 | 2023-11-10 | 中国石油大学(华东) | Low-thermal-conductivity additive for deep water shallow layer well cementation as well as preparation method and application thereof |
| CN117025188B (en) * | 2023-10-10 | 2024-01-12 | 中国石油大学(华东) | Low-thermal-conductivity additive for deep water shallow layer well cementation as well as preparation method and application thereof |
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Application publication date: 20170915 |