CN109233521A - A kind of exterior wall heat-insulating paint - Google Patents
A kind of exterior wall heat-insulating paint Download PDFInfo
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- CN109233521A CN109233521A CN201811098689.0A CN201811098689A CN109233521A CN 109233521 A CN109233521 A CN 109233521A CN 201811098689 A CN201811098689 A CN 201811098689A CN 109233521 A CN109233521 A CN 109233521A
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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
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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Abstract
The invention discloses a kind of exterior wall heat-insulating paints, belong to building technical field of polymer materials.According to parts by weight, it successively weighs: 30~50 parts of pure-acrylic emulsions, 15~30 parts of pigments and fillers, 2~4 parts of coalescing agents, 1~2 part of dispersing agent, 1~4 part of hydrophobing agent, 0.5~2.0 part of thickener, pure-acrylic emulsion and water are mixed in blender, and sequentially add pigments and fillers into blender by 30~40 parts of water and 15~25 parts of modified thermal insulating fillings, modified thermal insulating filling, hydrophobing agent, thickener, coalescing agent and dispersing agent, in temperature be 30~45 DEG C, under conditions of revolving speed is 300~500r/min, after being stirred 30~40min, exterior wall heat-insulating paint is obtained.Gained exterior wall heat-insulating paint of the invention has excellent heat preservation and insulation.
Description
Technical field
The invention discloses a kind of exterior wall heat-insulating paints, belong to building technical field of polymer materials.
Background technique
It is energy-saving, to increase economic efficiency be one of elementary object of scientific research and technological development, coating technology is not yet
Exception.Heat preservation technology develops to efficient, thin layer, the outdoor integrated direction of insulating water-proof, how to make full use of heat-transfer mechanism development
New energy-saving material is important development direction.So-called insulating moulding coating refers to that brushing can play thermal insulation function by construction surface
Coating, environment protection type heat insulating thermal insulation coatings belong to a new generation functional paint, the whole world advocate low-carbon economy, energy-saving and emission-reduction
Under main trend, and made of combination market demand exploitation, while the development trend of coatings industry is also complied with, has been traditional common painting
The important milestone that the simple function of material is strided forward to Mobyneb coating passes through advanced production technology and high-tech new material
Using so that the product was both nontoxic, but also with functions such as cooling, heat preservation, fire prevention, therefore the novel section of green, environmental protection can be referred to as
It can product.
Water paint gradually causes the concern of people because of its advantage such as nontoxic, environmentally friendly, economic.With to building energy conservation requirement
Continuous improvement, the heat insulating function chemical conversion of water paint for the research of coating now hot spot.The insulating moulding coating studied at present is main
There are 3 seed types: isolation-type insulating moulding coating, reflective insulation coating and Radiation Heat-insulated Paint.At present about the report of insulating moulding coating
Road is more, but it is most of be merely resting on theoretic, practical application need further genralrlization.About isolation-type insulating moulding coating
Research using less, existing main problem is that heat insulation is bad.Major reason is that the Design of Membrane Structure of coating is unreasonable,
Cause its heat rejection poor.Since water paint contains the solid inorganic mineral filler of suitable specific gravity, filler is in coating
Evenly dispersed, mutually overlap joint forms countless heat bridges, is unfavorable for heat-insulated.There is also heat-insulation and heat-preservations for conventional outer wall thermal insulation coatings at present
The problem of capable of can not further increasing, therefore also need to study it.
Summary of the invention
The present invention solves the technical problem of: it can not be further for conventional outer wall thermal insulation coatings heat preservation and insulation
The problem of raising, provides a kind of exterior wall heat-insulating paint.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
A kind of exterior wall heat-insulating paint is made of the raw material of following parts by weight: 30~50 parts of pure-acrylic emulsions, and 15~30 parts of face are filled out
Material, 2~4 parts of coalescing agents, 1~2 part of dispersing agent, 1~4 part of hydrophobing agent, 0.5~2.0 part of thickener, 30~40 parts of water are described
Exterior wall heat-insulating paint further include: 0.4~0.6 times of pure-acrylic emulsion quality of modification thermal insulating filling；
The modified thermal insulating filling the preparation method comprises the following steps:
By potassium carbonate, 1.2:4.0~1.5:4.0 is mixed in molar ratio with titanium dioxide, is ground, and calcining obtains pretreatment powder, will
It is polished to pre-process powder, calcines again, discharges, washs drying, obtains mixed-powder, in mass ratio with hydrochloric acid by mixed-powder
1:100~1:120 mixing, impregnates filtering, repeats to mix, and after impregnating filter process 2~3 times, washs, dry, obtains modified powder,
Modified powder is mixed with tetrabutylammonium hydroxide solution 1:10~1:18 in mass ratio, is impregnated, and modified powder quality is added
30~40 times of water, after being stirred, centrifuge separation removes upper liquid, obtains modified powder colloidal sol, by modified powder colloidal sol and gathers
Allylamine hydrochloride solution 5:2~5:3 in mass ratio mixing, and 0.1~0.2 times of modified powder colloidal sol is added under stirring
Modified glucose mixed liquor, after being stirred to react, pretreatment modification powder colloidal sol is obtained, by pretreatment modification powder colloidal sol and boron hydrogen
Change sodium 100:1~150:1 in mass ratio mixing, after being stirred to react, obtain mixed sols, mixed sols and dibastic sodium phosphate are pressed into quality
It is mixed than 3:1~4:1, after being stirred to react, is centrifugated, washs, it is dry, obtain thermal insulating filling；By thermal insulating filling and ethyl acetate
The mixing of 1:10~1:15 in mass ratio, and 0.2~0.4 times of thermal insulating filling quality of ethyl orthosilicate and thermal insulating filling quality is added
0.1~0.2 times of potassium hydroxide after ultrasonic disperse, adds 0.1~0.3 times of thermal insulating filling quality of fatty acid and heat-insulated fills out
The immobilized lipase of 0.08~0.12 times of quality of material after being stirred to react, is centrifugated, dry, obtains modified thermal insulating filling.
The pigments and fillers are titanium dioxide, any one in cadmium red or iron oxide yellow.
The coalescing agent is propandiol butyl ether, any one in alcohol ester 12 or dipropylene glycol methyl ether.
The dispersing agent is dispersing agent NNO, any one in Dispersant MF or dispersing agent 5040.
The hydrophobing agent is any one in hydrophobing agent 6600 or hydrophobing agent 1401.
The thickener is thickener ASE-60, any one in hydroxyethyl cellulose or gas-phase silica.
The modified glucose mixed liquor is to mix glucose with water 1:20~1:25 in mass ratio, and glucose is added
The Potassiumiodate that 0.1~0.2 times of quality after being stirred, obtains glucose mixed liquor, and glucose mixed liquor is pressed with barium chloride solution
Mass ratio 1:3~1:5 mixing, filtering obtain filtrate, filtrate are mixed with metabisulfite solution 1:3~1:4 in mass ratio, filter, go
Except filter residue, modified glucose mixed liquor is obtained.
The fatty acid is lauric acid, any one in myristic acid or palmitinic acid.
The beneficial effects of the present invention are:
Modified thermal insulating filling is added when preparing exterior wall heat-insulating paint by the present invention, firstly, containing stratiform in modified thermal insulating filling
Four metatitanic acids can form multistory steel structure in interiors of products after being added in product, so that the heat-proof quality of product is improved,
Secondly, thermal insulating filling, after modification, polyallylamine hydrochlorides can enter the lamella knot of four metatitanic acids under the action of electrostatic force
In structure, and in the preparation process of thermal insulating filling, polyallylamine hydrochlorides and modified glucose can be in the lamellar structures of four metatitanic acids
Interior formation microcapsule structure, also, since microcapsule structure has pH sensibility, it can be expanded in subsequent processes, thus
Widen the interlamellar spacing of four metatitanic acids, and play certain filling plugging action to the interlayer structure of four metatitanic acids, so make product every
Hot heat insulating ability improves, furthermore, after modification, the modified glucose in microcapsule structure can be in the work of immobilized lipase for thermal insulating filling
With lower generation esterification, and hydrone is generated, and then promote the hydrolysis of ethyl orthosilicate, is adsorbed in the interlayer structure of four metatitanic acids
In, the anti-pressure ability of four metatitanic acid interlayer structures is improved, the heat-insulation and heat-preservation of product is further increased.
Specific embodiment
Glucose and water 1:20~1:25 in mass ratio are mixed in flask, and glucose quality is added into flask
0.1~0.2 times of Potassiumiodate is 45~65 DEG C in temperature, under conditions of revolving speed is 250~350r/min, it is stirred 100~
After 180min, obtain glucose mixed liquor, by glucose mixed liquor and mass fraction be 15~20% barium chloride solution in mass ratio
1:3~1:5 mixing is 30~45 DEG C in temperature, under conditions of revolving speed is 300~400r/min, is stirred 30~40min
Afterwards, it filters, obtains filtrate, filtrate is mixed with metabisulfite solution 1:3~1:4 in mass ratio that mass fraction is 15~22%, Yu Wen
Degree is 30~45 DEG C, and under conditions of revolving speed is 300~400r/min, after being stirred 30~40min, filtering removes filter cake, obtains
Modified glucose mixed liquor；By potassium carbonate, 1.2:4.0~1.5:4.0 is mixed in grinder in molar ratio with titanium dioxide, is ground
Grind 1~2h after, obtain pretreatment powder batch, will pretreatment powder batch in temperature be 800~850 DEG C under conditions of calcining 12~
After 13h, obtain pretreatment powder, will pre-process after the ground machine of powder grinds 40~80min, again in temperature be 800~850 DEG C
Under conditions of calcine 10~12h after, discharging, obtain mixed-powder blank, by mixed-powder blank use respectively mass fraction be 8~
After 15% hydrochloric acid and deionized water washs 5~8 times, dry 2~3h under conditions of being 60 DEG C in temperature obtains mixed-powder, will
Hydrochloric acid 1:100~1:120 in mass ratio that mixed-powder and mass fraction are 15~22% is mixed, in 30~45 DEG C of temperature, revolving speed
Under conditions of 250~320r/min, after 10~15h is impregnated in stirring, filtering repeats to mix, after impregnating filter process 2~3 times,
Modified powder blank is obtained, after modified powder blank is washed with deionized 5~10 times, and the condition for being 60~65 DEG C in temperature
2~5h of lower drying, obtains modified powder, is that 24~28% tetrabutylammonium hydroxide solution press quality by modified powder and mass fraction
It is mixed in beaker than 1:10~1:18, after impregnating 12~13h under room temperature, and modified powder quality is added into beaker
30~40 times of water is 30~40 DEG C in temperature, after revolving speed is stirred 10~12h under conditions of being 200~280r/min, incites somebody to action
After material is centrifugated 10~20min under conditions of revolving speed is 2000~2800r/min in beaker, upper liquid is removed, must be changed
Property powder colloidal sol, by modified powder colloidal sol in polyallylamine hydrochlorides solution in mass ratio 5:2~5:3 mixing three-necked flask,
And the modification Portugal in revolving speed to be added 0.1~0.2 times of modified powder colloidal sol under conditions of 400~600r/min into three-necked flask
Grape sugar mixed liquor is 40~55 DEG C in temperature, under conditions of revolving speed is 300~400r/min, after being stirred to react 1~2h, obtains pre-
Modified powder colloidal sol is handled, pretreatment modification powder colloidal sol is mixed with sodium borohydride 100:1~150:1 in mass ratio, Yu Wen
Degree is 30~38 DEG C, under conditions of revolving speed is 300~320r/min, after being stirred to react 2~3h, obtains mixed sols, will mix molten
Glue is mixed with dibastic sodium phosphate 3:1~4:1 in mass ratio, is 30~42 DEG C in temperature, revolving speed is the condition of 200~300r/min
Under, after being stirred to react 10~12h, and 15~20min, removal are centrifugated under conditions of revolving speed is 2000~3000r/min
Upper liquid obtains thermal insulating filling blank, after thermal insulating filling blank is washed with deionized 8~10 times, in temperature be 60~65 DEG C
Under conditions of dry 2~3h, obtain thermal insulating filling；Thermal insulating filling and ethyl acetate 1:10~1:15 in mass ratio are mixed in four mouthfuls
In flask, and into four-hole boiling flask be added 0.2~0.4 times of thermal insulating filling quality ethyl orthosilicate and thermal insulating filling quality 0.1
~0.2 times of potassium hydroxide, under conditions of frequency is 45~55kHz after 15~30min of ultrasonic disperse, then into four-hole boiling flask
0.1~0.3 times of thermal insulating filling quality of fatty acid and 0.08~0.12 times of thermal insulating filling quality of immobilized lipase is added, in
Temperature be 30~38 DEG C, revolving speed be 300~400r/min under conditions of, after being stirred to react 2~4h, by material in four-hole boiling flask in
After revolving speed is centrifugated 18~30min under conditions of being 2000~3000r/min, obtain modified thermal insulating filling blank, will it is modified every
Under conditions of hot filler blank is 60~70 DEG C in temperature after dry 2~3h, modified thermal insulating filling is obtained；According to parts by weight, according to
Secondary to weigh: 30~50 parts of pure-acrylic emulsions, 15~30 parts of pigments and fillers, 2~4 parts of coalescing agents, 1~2 part of dispersing agent, 1~4 part hydrophobic
Pure-acrylic emulsion and water are mixed in stirring by agent, 0.5~2.0 part of thickener, 30~40 parts of water and 15~25 parts of modified thermal insulating fillings
In machine, and pigments and fillers are sequentially added into blender, be modified thermal insulating filling, hydrophobing agent, thickener, coalescing agent and dispersing agent,
It is 30~45 DEG C in temperature, under conditions of revolving speed is 300~500r/min, after being stirred 30~40min, obtains exterior-wall heat insulation painting
Material.The pigments and fillers are titanium dioxide, any one in cadmium red or iron oxide yellow.The coalescing agent is propandiol butyl ether, alcohol ester 12
Or any one in dipropylene glycol methyl ether.The dispersing agent is dispersing agent NNO, any one in Dispersant MF or dispersing agent 5040
Kind.The hydrophobing agent is any one in hydrophobing agent 6600 or hydrophobing agent 1401.The thickener is thickener ASE-60, hydroxyl second
Any one in base cellulose or gas-phase silica.The fatty acid is lauric acid, any one in myristic acid or palmitinic acid.
Example 1
Glucose and water 1:25 in mass ratio are mixed in flask, and 0.2 times of glucose quality of acid iodide is added into flask
Potassium is 65 DEG C in temperature, under conditions of revolving speed is 350r/min, after being stirred 180min, glucose mixed liquor is obtained, by grape
The barium chloride solution 1:5 in mass ratio that sugared mixed liquor and mass fraction are 20% mix, in temperature be 45 DEG C, revolving speed 400r/
Under conditions of min, after being stirred 40min, filtering obtains filtrate, and the metabisulfite solution that filtrate and mass fraction are 22% is pressed matter
Amount is mixed than 1:4, is 45 DEG C in temperature, under conditions of revolving speed is 400r/min, after being stirred 40min, is filtered, removal filter
Cake obtains modified glucose mixed liquor；By potassium carbonate, 1.5:4.0 is mixed in grinder in molar ratio with titanium dioxide, grinds 2h
Afterwards, pretreatment powder batch is obtained, after calcining 13h under conditions of being 850 DEG C in temperature by pretreatment powder batch, obtains pretreatment powder
End, after pre-processing the ground machine grinding 80min of powder, after calcining 12h under conditions of being again 850 DEG C in temperature, discharging is obtained
Mixed-powder blank, after mixed-powder blank to be used to the hydrochloric acid and deionized water washing 8 times that mass fraction is 15% respectively, in
Temperature dry 3h under conditions of being 60 DEG C, obtains mixed-powder, the hydrochloric acid in mass ratio 1 for being 22% by mixed-powder and mass fraction:
120 mixing, in temperature 45 C, under conditions of revolving speed is 320r/min, after 15h is impregnated in stirring, filtering is repeated to mix, be impregnated
Filtration journey 3 times after, obtain modified powder blank, after modified powder blank is washed with deionized 10 times, and in temperature be 65 DEG C
Under conditions of dry 5h, obtain modified powder, by modified powder and mass fraction be 28% tetrabutylammonium hydroxide solution in mass ratio
1:18 is mixed in beaker, after impregnating 13h under room temperature, and 40 times of modified powder quality of water is added into beaker, in
Temperature be 40 DEG C, revolving speed be 280r/min under conditions of be stirred 12h after, by material in beaker in revolving speed be 2800r/min
Under conditions of be centrifugated 20min after, remove upper liquid, modified powder colloidal sol is obtained, by modified powder colloidal sol and polyallylamine salt
In acid salt solution 5:3 mixing three-necked flask in mass ratio, and it is added under conditions of revolving speed is 600r/min into three-necked flask
0.2 times of modified powder colloidal sol of modified glucose mixed liquor is 55 DEG C in temperature, under conditions of revolving speed is 400r/min, stirs
After reacting 2h, pretreatment modification powder colloidal sol is obtained, pretreatment modification powder colloidal sol and sodium borohydride 150:1 in mass ratio are mixed
It closes, is 38 DEG C in temperature, under conditions of revolving speed is 320r/min, after being stirred to react 3h, mixed sols is obtained, by mixed sols and phosphorus
Sour hydrogen sodium 4:1 in mass ratio mixing, in temperature be 42 DEG C, under conditions of revolving speed is 300r/min, after being stirred to react 12h, and in
Revolving speed is centrifugated 20min under conditions of being 3000r/min, removes upper liquid, thermal insulating filling blank is obtained, by thermal insulating filling blank
After being washed with deionized 10 times, dry 3h under conditions of being 65 DEG C in temperature obtains thermal insulating filling；By thermal insulating filling and acetic acid second
Ester 1:15 in mass ratio is mixed in four-hole boiling flask, and 0.4 times of thermal insulating filling quality of positive silicic acid second is added into four-hole boiling flask
Ester and 0.2 times of thermal insulating filling quality of potassium hydroxide, under conditions of frequency is 55kHz after ultrasonic disperse 30min, then to four mouthfuls
0.3 times of thermal insulating filling quality of fatty acid and 0.12 times of thermal insulating filling quality of immobilized lipase are added in flask, in temperature
Be 38 DEG C, revolving speed be 400r/min under conditions of, after being stirred to react 4h, by material in four-hole boiling flask in revolving speed be 3000r/min
Under conditions of be centrifugated 30min after, obtain modified thermal insulating filling blank, the item for being 70 DEG C in temperature by modified thermal insulating filling blank
Under part after dry 3h, modified thermal insulating filling is obtained；According to parts by weight, it successively weighs: 50 parts of pure-acrylic emulsions, 30 parts of pigments and fillers, 4 parts
Coalescing agent, 2 parts of dispersing agents, 4 parts of hydrophobing agents, 2.0 parts of thickeners, 40 parts of water and 25 parts of modified thermal insulating fillings, by pure-acrylic emulsion
It is mixed in blender with water, and sequentially adds pigments and fillers into blender, modified thermal insulating filling, hydrophobing agent, thickener, film forming
Auxiliary agent and dispersing agent are 45 DEG C in temperature, under conditions of revolving speed is 500r/min, after being stirred 40min, obtain exterior-wall heat insulation painting
Material.The pigments and fillers are titanium dioxide.The coalescing agent is propandiol butyl ether.The dispersing agent is dispersing agent NNO.It is described hydrophobic
Agent is hydrophobing agent 6600.The thickener is thickener ASE-60.The fatty acid is lauric acid.
Example 2
Glucose and water 1:25 in mass ratio are mixed in flask, and 0.2 times of glucose quality of acid iodide is added into flask
Potassium is 65 DEG C in temperature, under conditions of revolving speed is 350r/min, after being stirred 180min, glucose mixed liquor is obtained, by grape
The barium chloride solution 1:5 in mass ratio that sugared mixed liquor and mass fraction are 20% mix, in temperature be 45 DEG C, revolving speed 400r/
Under conditions of min, after being stirred 40min, filtering obtains filtrate, and the metabisulfite solution that filtrate and mass fraction are 22% is pressed matter
Amount is mixed than 1:4, is 45 DEG C in temperature, under conditions of revolving speed is 400r/min, after being stirred 40min, is filtered, removal filter
Cake obtains modified glucose mixed liquor；By potassium carbonate, 1.5:4.0 is mixed in grinder in molar ratio with titanium dioxide, grinds 2h
Afterwards, pretreatment powder batch is obtained, after calcining 13h under conditions of being 850 DEG C in temperature by pretreatment powder batch, obtains pretreatment powder
End, after pre-processing the ground machine grinding 80min of powder, after calcining 12h under conditions of being again 850 DEG C in temperature, discharging is obtained
Mixed-powder blank, after mixed-powder blank to be used to the hydrochloric acid and deionized water washing 8 times that mass fraction is 15% respectively, in
Temperature dry 3h under conditions of being 60 DEG C, obtains mixed-powder, the hydrochloric acid in mass ratio 1 for being 22% by mixed-powder and mass fraction:
120 mixing, in temperature 45 C, under conditions of revolving speed is 320r/min, after 15h is impregnated in stirring, filtering is repeated to mix, be impregnated
Filtration journey 3 times after, obtain modified powder blank, after modified powder blank is washed with deionized 10 times, and in temperature be 65 DEG C
Under conditions of dry 5h, obtain thermal insulating filling；According to parts by weight, successively weigh: 50 parts of pure-acrylic emulsions, 30 parts of pigments and fillers, 4 parts at
Film auxiliary agent, 2 parts of dispersing agents, 4 parts of hydrophobing agents, 2.0 parts of thickeners, 40 parts of water and 25 parts of thermal insulating fillings, pure-acrylic emulsion and water are mixed
Together in blender, and pigments and fillers are sequentially added into blender, thermal insulating filling, hydrophobing agent, thickener, coalescing agent and dispersion
Agent is 45 DEG C in temperature, under conditions of revolving speed is 500r/min, after being stirred 40min, obtains exterior wall heat-insulating paint.The face
Filler is titanium dioxide.The coalescing agent is propandiol butyl ether.The dispersing agent is dispersing agent NNO.The hydrophobing agent is hydrophobic
Agent 6600.The thickener is thickener ASE-60.The fatty acid is lauric acid.
Example 3
Glucose and water 1:25 in mass ratio are mixed in flask, and 0.2 times of glucose quality of acid iodide is added into flask
Potassium is 65 DEG C in temperature, under conditions of revolving speed is 350r/min, after being stirred 180min, glucose mixed liquor is obtained, by grape
The barium chloride solution 1:5 in mass ratio that sugared mixed liquor and mass fraction are 20% mix, in temperature be 45 DEG C, revolving speed 400r/
Under conditions of min, after being stirred 40min, filtering obtains filtrate, and the metabisulfite solution that filtrate and mass fraction are 22% is pressed matter
Amount is mixed than 1:4, is 45 DEG C in temperature, under conditions of revolving speed is 400r/min, after being stirred 40min, is filtered, removal filter
Cake obtains modified glucose mixed liquor；By potassium carbonate, 1.5:4.0 is mixed in grinder in molar ratio with titanium dioxide, grinds 2h
Afterwards, pretreatment powder batch is obtained, after calcining 13h under conditions of being 850 DEG C in temperature by pretreatment powder batch, obtains pretreatment powder
End, after pre-processing the ground machine grinding 80min of powder, after calcining 12h under conditions of being again 850 DEG C in temperature, discharging is obtained
Mixed-powder blank, after mixed-powder blank to be used to the hydrochloric acid and deionized water washing 8 times that mass fraction is 15% respectively, in
Temperature dry 3h under conditions of being 60 DEG C, obtains mixed-powder, the hydrochloric acid in mass ratio 1 for being 22% by mixed-powder and mass fraction:
120 mixing, in temperature 45 C, under conditions of revolving speed is 320r/min, after 15h is impregnated in stirring, filtering is repeated to mix, be impregnated
Filtration journey 3 times after, obtain modified powder blank, after modified powder blank is washed with deionized 10 times, and in temperature be 65 DEG C
Under conditions of dry 5h, obtain modified powder, by modified powder and mass fraction be 28% tetrabutylammonium hydroxide solution in mass ratio
1:18 is mixed in beaker, after impregnating 13h under room temperature, and 40 times of modified powder quality of water is added into beaker, in
Temperature be 40 DEG C, revolving speed be 280r/min under conditions of be stirred 12h after, by material in beaker in revolving speed be 2800r/min
Under conditions of be centrifugated 20min after, remove upper liquid, modified powder colloidal sol is obtained, by modified powder colloidal sol and polyallylamine salt
In acid salt solution 5:3 mixing three-necked flask in mass ratio, and it is added under conditions of revolving speed is 600r/min into three-necked flask
0.2 times of modified powder colloidal sol of modified glucose mixed liquor is 55 DEG C in temperature, under conditions of revolving speed is 400r/min, stirs
After reacting 2h, pretreatment modification powder colloidal sol is obtained, pretreatment modification powder colloidal sol and sodium borohydride 150:1 in mass ratio are mixed
It closes, is 38 DEG C in temperature, under conditions of revolving speed is 320r/min, after being stirred to react 3h, mixed sols is obtained, by mixed sols and phosphorus
Sour hydrogen sodium 4:1 in mass ratio mixing, in temperature be 42 DEG C, under conditions of revolving speed is 300r/min, after being stirred to react 12h, and in
Revolving speed is centrifugated 20min under conditions of being 3000r/min, removes upper liquid, thermal insulating filling blank is obtained, by thermal insulating filling blank
After being washed with deionized 10 times, dry 3h under conditions of being 65 DEG C in temperature obtains thermal insulating filling；According to parts by weight, successively
It weighs: 50 parts of pure-acrylic emulsions, 30 parts of pigments and fillers, 4 parts of coalescing agents, 2 parts of dispersing agents, 4 parts of hydrophobing agents, 2.0 parts of thickeners, 40 parts
Pure-acrylic emulsion and water are mixed in blender, and sequentially add pigments and fillers into blender by water and 25 parts of thermal insulating fillings, heat-insulated
Filler, hydrophobing agent, thickener, coalescing agent and dispersing agent are 45 DEG C in temperature, under conditions of revolving speed is 500r/min, stir
After mixing 40min, exterior wall heat-insulating paint is obtained.The pigments and fillers are titanium dioxide.The coalescing agent is propandiol butyl ether.Described point
Powder is dispersing agent NNO.The hydrophobing agent is hydrophobing agent 6600.The thickener is thickener ASE-60.The fatty acid is
Lauric acid.
Comparative example: the exterior wall heat-insulating paint of Nanjing new material Science and Technology Ltd. production.
1 to 3 gained exterior wall heat-insulating paint of example and comparative example product are subjected to performance detection, the specific detection method is as follows:
A carton is made, the size of carton is 50mm × 100mm × 70mm, uses the cystosepiment of 10cm as guarantor outside carton
Temperature, the iodine-tungsten lamp of a 500W is fixed above case top at 30cm, simulated solar light source is heated.
The production of film template: it by sample obtained, is coated on 60mm × 120mm × 0.5mm steel plate, standby is fully cured
With.
Detection method: mercurial thermometer is inserted into from body side, cabinet center is placed in, tests the heat-insulated temperature of film
Degree, is placed in top of the box for template, makes heat source just vertical irradiation template.Before opening power supply, case body temperature is read simultaneously
Record.Power on, timing and reading from irradiation is initial record a case body temperature every 5min, and calculate 1h rear cabinet
The intracorporal temperature difference.
Specific testing result is as shown in table 1:
Table 1: performance detection table
| Detection content | Example 1 | Example 2 | Example 3 | Comparative example |
| ΔT/℃ | 13.7 | 19.3 | 18.5 | 23.4 |
By 1 testing result of table it is found that present invention gained exterior wall heat-insulating paint has excellent heat preservation and insulation.
Claims (8)
1. a kind of exterior wall heat-insulating paint is made of the raw material of following parts by weight: 30~50 parts of pure-acrylic emulsions, 15~30 parts of face
Filler, 2~4 parts of coalescing agents, 1~2 part of dispersing agent, 1~4 part of hydrophobing agent, 0.5~2.0 part of thickener, 30~40 parts of water,
It is characterized in that, the exterior wall heat-insulating paint further include: 0.4~0.6 times of pure-acrylic emulsion quality of modification thermal insulating filling；
The modified thermal insulating filling the preparation method comprises the following steps:
By potassium carbonate, 1.2:4.0~1.5:4.0 is mixed in molar ratio with titanium dioxide, is ground, and calcining obtains pretreatment powder, will
It is polished to pre-process powder, calcines again, discharges, washs drying, obtains mixed-powder, in mass ratio with hydrochloric acid by mixed-powder
1:100~1:120 mixing, impregnates filtering, repeats to mix, and after impregnating filter process 2~3 times, washs, dry, obtains modified powder,
Modified powder is mixed with tetrabutylammonium hydroxide solution 1:10~1:18 in mass ratio, is impregnated, and modified powder quality is added
30~40 times of water, after being stirred, centrifuge separation removes upper liquid, obtains modified powder colloidal sol, by modified powder colloidal sol and gathers
Allylamine hydrochloride solution 5:2~5:3 in mass ratio mixing, and 0.1~0.2 times of modified powder colloidal sol is added under stirring
Modified glucose mixed liquor, after being stirred to react, pretreatment modification powder colloidal sol is obtained, by pretreatment modification powder colloidal sol and boron hydrogen
Change sodium 100:1~150:1 in mass ratio mixing, after being stirred to react, obtain mixed sols, mixed sols and dibastic sodium phosphate are pressed into quality
It is mixed than 3:1~4:1, after being stirred to react, is centrifugated, washs, it is dry, obtain thermal insulating filling；By thermal insulating filling and ethyl acetate
The mixing of 1:10~1:15 in mass ratio, and 0.2~0.4 times of thermal insulating filling quality of ethyl orthosilicate and thermal insulating filling quality is added
0.1~0.2 times of potassium hydroxide after ultrasonic disperse, adds 0.1~0.3 times of thermal insulating filling quality of fatty acid and heat-insulated fills out
The immobilized lipase of 0.08~0.12 times of quality of material after being stirred to react, is centrifugated, dry, obtains modified thermal insulating filling.
2. a kind of exterior wall heat-insulating paint according to claim 1, it is characterised in that: the pigments and fillers are titanium dioxide, cadmium red
Or any one in iron oxide yellow.
3. a kind of exterior wall heat-insulating paint according to claim 1, it is characterised in that: the coalescing agent is propylene glycol fourth
Ether, any one in alcohol ester 12 or dipropylene glycol methyl ether.
4. a kind of exterior wall heat-insulating paint according to claim 1, it is characterised in that: the dispersing agent is dispersing agent NNO, point
Any one in powder MF or dispersing agent 5040.
5. a kind of exterior wall heat-insulating paint according to claim 1, it is characterised in that: the hydrophobing agent be hydrophobing agent 6600 or
Any one in hydrophobing agent 1401.
6. a kind of exterior wall heat-insulating paint according to claim 1, it is characterised in that: the thickener is thickener ASE-
60, any one in hydroxyethyl cellulose or gas-phase silica.
7. a kind of exterior wall heat-insulating paint according to claim 1, it is characterised in that: the modified glucose mixed liquor is will
Glucose is mixed with water 1:20~1:25 in mass ratio, and 0.1~0.2 times of glucose quality of Potassiumiodate is added, and is stirred
Afterwards, glucose mixed liquor is obtained, glucose mixed liquor is mixed with barium chloride solution 1:3~1:5 in mass ratio, filters, obtains filtrate,
Filtrate is mixed with metabisulfite solution 1:3~1:4 in mass ratio, is filtered, filter residue is removed, obtains modified glucose mixed liquor.
8. a kind of exterior wall heat-insulating paint according to claim 1, it is characterised in that: the fatty acid is lauric acid, cardamom
Any one in acid or palmitinic acid.
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| CN201811098689.0A CN109233521A (en) | 2018-09-20 | 2018-09-20 | A kind of exterior wall heat-insulating paint |
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| CN201811098689.0A CN109233521A (en) | 2018-09-20 | 2018-09-20 | A kind of exterior wall heat-insulating paint |
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| CN110669457A (en) * | 2019-10-21 | 2020-01-10 | 李小忠 | Long-acting building waterproof adhesive |
| CN111690972A (en) * | 2019-03-06 | 2020-09-22 | 苏州鱼得水电气科技有限公司 | Processing technology of high-temperature-resistant ceramic oxide film |
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Application publication date: 20190118 |