CN110003786A - Building decoration waterproof and heat-insulating coating - Google Patents
Building decoration waterproof and heat-insulating coating Download PDFInfo
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- CN110003786A CN110003786A CN201910309176.8A CN201910309176A CN110003786A CN 110003786 A CN110003786 A CN 110003786A CN 201910309176 A CN201910309176 A CN 201910309176A CN 110003786 A CN110003786 A CN 110003786A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
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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
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- 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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- 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
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- 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
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Abstract
The present invention discloses a kind of building decoration waterproof and heat-insulating coating, it is made of following raw material: 35-50 parts of bentonites, 55-70 parts of high performance polyurethanes, 15-25 parts of high temperature fillers, 5-15 parts of crosslinking agents, 5-15 parts of thickeners, 20-25 parts of nano silicas, 30-40 parts of modified acrylic acid emulsions, 75-100 parts of mixed solvents；The present invention by bentonite, high performance polyurethane after addition activation and passes through the modified acrylic emulsion of sorbic acid during preparing building decoration waterproof and heat-insulating coating, bentonite specific surface area increases after activation, ion exchange occurs for the cation such as calcium or sodium in modifying process in bentonite, bentonite becomes hydrophobicity from hydrophily, further enhance the waterproof performance of coating, high performance polyurethane assigns the good waterproof of coating and heat-proof quality, modified acrylic emulsion enhance the chemical stability of coating.
Description
Technical field
The invention belongs to coating technology field, specially a kind of building decoration waterproof and heat-insulating coating.
Background technique
Building coating includes aqueous architectural coating and solvent type building coating, and solvent type building coating is because in its solidification process
Toxic solvent is discharged, environmental requirement is not met and is restricted in building coating, but due to the high score of solvent type building coating
Sub- film forming matter resistance to ag(e)ing is strong, is still using in the decoration of exterior wall of skyscraper.The building coating requirement bottom of exterior wall coating
Layer surface is dry, solid, secured, will not dusting, will not generate that crack is loose etc., but now most of building suitable for exterior wall
It builds coating and requires to meet it but using solvent type building coating, and its environmental-protecting performance is declined, wanted to reach environmental protection
Ask the building coating of system but because of water resistance, heat-proof quality and bad mechanical strength, adhesion, contrast ratio, washability with ground
Performance is poor and is restricted.
Chinese patent publication No. CN102079908A, date of publication on June 1st, 2011, a kind of entitled building coating, the Shen
Please case disclose a kind of building coating, according to quality composition include elm bast 1kg-6kg, styrene-acrylic emulsion 15-40kg, titanium white
Powder 5-20kg, coalescing agent 0.5-3kg, six inclined sodium sulphate 0.1-0.8kg, dispersing agent 0.1-0.5kg, thickener 0.1-0.5kg,
Coarse whiting 10-25kg, silica ashes 5-20kg.Talcum powder 6-10kg, defoaming agent 0.1-0.8kg.Disadvantage is that although should
Be formulated harmless, but it is as building coating water resistance, heat-proof quality and bad mechanical strength, with the adhesion of ground,
Contrast ratio, wash-resistant property is poor and is restricted.
Summary of the invention
In order to overcome above-mentioned technical problem, the present invention provides a kind of building decoration waterproof and heat-insulating coating.It is built in preparation
Bentonite, high performance polyurethane after activating are added during decorative waterproof water heat insulating coat and passes through the modified propylene of sorbic acid
Yogurt liquid, bentonite specific surface area increases after activation, and the cation such as calcium or sodium in modifying process in bentonite occurs ion and hands over
It changes, bentonite becomes hydrophobicity from hydrophily, further enhances the waterproof performance of coating, and high performance polyurethane assigns coating
Good waterproof and heat-proof quality, modified acrylic emulsion enhance the chemical stability of coating.
The purpose of the present invention can be achieved through the following technical solutions:
Building decoration waterproof and heat-insulating coating, is made of following raw material: 35-50 parts of bentonites, 55-70 parts of high-performance
Polyurethane, 15-25 parts of high temperature fillers, 5-15 parts of crosslinking agents, 5-15 parts of thickeners, 20-25 parts of nano silicas, 30-40 parts
Modified acrylic acid emulsion, 75-100 parts of mixed solvents；
The building decoration waterproof and heat-insulating coating is made of following steps:
Step S1, Bentonite Activation: bentonite (a) is placed in 80 DEG C of drying boxes dry 1h, takes out grinding, crosses 50 mesh
Sieve is added in 10% Klorvess Liquid, 60 DEG C of heating water baths, and at the uniform velocity stirring 30min, filtering turns after being washed with deionized 3 times
Dry 2h in 90 DEG C of drying boxes is moved to, potassium base bentonite is made, the weight ratio for controlling bentonite and Klorvess Liquid is 1: 5；(b)
Potassium base bentonite is added in the beaker equipped with 20% sulfuric acid, is filtered after at the uniform velocity stirring 1h, precipitating is transferred to 10% hydrochloric acid three
In methylamine solution, 2h is stirred under 45 DEG C of heating water baths, is warming up to 80 DEG C, magnetic agitation 4h, control mixing speed is 120r/min,
Filtering, be made activated bentonite, control potassium base bentonite, sulfuric acid, trimethylamine hydrochloride solution weight ratio be 1: 3: 6；
Step S2, it after activated bentonite ion water washing, will be put into 60 DEG C of drying boxes dry 1h, ball mill is added
In, ball milling is carried out with the revolving speed of 800r/min, activated bentonite powder is made, by activated bentonite powder, nano silica,
High performance polyurethane, the mixing of high temperature filler, grinding cross 50 meshes, mix powder are made；
Step S3, in the mixed solvent being added in mix powder, be placed in ultrasonic disperse instrument, control frequency is 23KHz,
Crosslinking agent and thickener ultrasound 15min are added after ultrasonic 30min, modified acrylic acid emulsion, 70 DEG C of heating water baths and magnetic force is added
30min is stirred, waterproof and heat-insulating coating is made.
Bentonite is the nonmetallic minerals using montmorillonite as main mineral constituent, and smectite structure is by two silicon oxygen four sides
Body presss from both sides the 2:1 type crystal structure of one layer of alumina octahedral composition, and there are certain sun for the layer structure formed due to montmorillonite structure cell
Ion, such as Cu, Mg, Na, K, and these cations are very unstable with the effect of montmorillonite structure cell, easily handed over by other cations
It changes, because montmorillonite and calcium ion adsorption capacity are eager to excel than potassium ion, bentonite present in nature is generally calcium base
Soil.But find that the exchange capacity of the calcium ion in calcium base soil is far below potassium ion in practical application, so bentonite is carried out
Activation.
By being handled after bentonite is dried with Klorvess Liquid, the bond strength of potassium ion and aluminium, magnesium is big
In calcium ion, replace the calcium ion between bentonite bed to reach potassiumization by potassium ion modified, later by the bentonite of potassium with
Concentrated sulfuric acid mixing, between bentonite bed in the metal ions such as calcium ion, magnesium ion, aluminium ion dissolved out in the form of soluble-salt,
So that its duct is dredged, be conducive to the diffusion of adsorption molecule, simultaneously because the radius of hydrogen atom be less than calcium ion, magnesium from
Son, aluminium ion, so the hydrogen ion that ionization comes out can displace the metal cation of interlayer, thus weaken interlayer active force,
So that the permanent negative electrical charge on bentonite band becomes the exchange being more more conducive between cation, thus adsorption capacity
It gets a promotion.
Further, the high performance polyurethane is made by the following method:
(1) zeolite is placed in a beaker, is transferred in 200 DEG C of Muffle furnace and is activated, is taken out after 3h, after standing cooling
Propylene glycol is added into beaker, propylene oxide is added after at the uniform velocity stirring 5min, is filtered after standing 1h, collection filtrate is spare, control
Zeolite, propylene glycol, the weight ratio of propylene oxide are 1: 3: 2；
(2) beaker equipped with toluene di-isocyanate(TDI) is placed in 60 DEG C of drying boxes dry 30min, taken out, into beaker
Sodium hydroxide powder is added, is transferred to vacuum degree -0.10MPa, dry 2h in the vacuum oven that 80 DEG C of temperature pours into step
(1) in filtrate, 80 DEG C of heating water baths react the unreacted monomer of vacuum removal after 2h, and polyether polyol is made, and control toluene
Diisocyanate, sodium hydroxide weight ratio be 3: 1；
(3) polyether polyol is added in dehydrating kettle, stirring is warming up to 105-115 DEG C, KH550 is added, with 10000r/
The revolving speed high speed dispersion 1h of min is evacuated to -0.095MPa, is dehydrated 2h, until moisture content less than 0.03%, moves to polymerization
Reaction kettle is added dioctyl phthalate and is cooled to 60-70 DEG C, and addition methyl diphenylene diisocyanate is warming up to 80-
85 DEG C, insulation reaction 2-3h, high performance polyurethane is made, controls polyether polyol, dioctyl phthalate, diphenyl methane
The weight ratio of diisocyanate is 10: 1: 2.
The present invention prepares polyether polyol by propylene glycol, toluene di-isocyanate(TDI) and epoxy prapanol, first carries out zeolite
Activation removes the moisture content in propylene glycol, later by mixing system with toluene di-isocyanate(TDI) later by zeolite and mixed with propylene glycol
Standby polyether polyol, toluene di-isocyanate(TDI) have stable hexatomic ring, and propylene glycol, epoxy prapanol and toluene di-isocyanate(TDI) are anti-
Hexatomic ring should be accessed on rear strand, so the polyether polyol of preparation has good waterproof and heat-proof quality, pass through polyethers
Polyalcohol, dioctyl phthalate, methyl diphenylene diisocyanate, are made high performance polyurethane, and the high-performance of preparation is poly-
Urethane has good waterproof and heat-proof quality.
Further, the modified acrylic acid emulsion is made by the following method:
(1) after mixing in methyl methacrylate, acrylic acid, addition beaker, three mouthfuls equipped with deionized water are transferred to
In flask, 10% potassium peroxydisulfate is added at the uniform velocity stirring 5min, and 70 DEG C of heating water baths react 1.5h, control methyl methacrylate
Ester, acrylic acid, deionized water, the weight ratio of potassium peroxydisulfate are 4: 3: 10: 1；
(2) methyl methacrylate, acrylic acid is added, is warming up to 90 DEG C, reacts 30min at this temperature, after keeping the temperature 2h
50 DEG C are cooled to, 10% sodium hydroxide solution is added and adjusts pH, until pH=8, filtering, obtain acrylic resin, by acrylic acid
Resin is put into 85 DEG C of drying boxes dry 3h after being washed with deionized, be added in ball mill, is carried out with the revolving speed of 600r/min
Ball milling controls methyl methacrylate, the weight ratio of acrylic acid is 2: 1；
(3) sorbic acid is added in the beaker equipped with dehydrated alcohol, ball is added after sorb acid dissolution in 75 DEG C of heating water baths
Acrylic resin after mill is made acrylic resin modified after ultrasonic disperse 2h, by acrylic resin modified taking-up, uses deionization
Water cleaning is placed in 70 DEG C of drying boxes dry 1h, control sorbic acid, dehydrated alcohol, acrylic resin weight ratio be 3: 5: 1；
(4) diethanol amine in acrylic resin modified addition beaker, will be added, 50 DEG C of heating water baths simultaneously at the uniform velocity stir 2h,
Polyetheramine is added dropwise, glacial acetic acid is added after reacting 1h, is warming up to 65 DEG C, reacts 50min at this temperature, deionized water is added, with
Modified acrylic acid emulsion is made in the revolving speed magnetic agitation 45min of 200r/min, controls acrylic resin modified, diethanol amine, gathers
Ether amines, glacial acetic acid, deionized water weight ratio be 3: 1: 1: 2: 5.
The present invention is modified acrylic resin by sorbic acid, the main linear structure of acrylic resin, the degree of branching
Lower, the carbon atom of sorbic acid has electrophilicity, and nucleophilic addition can occur with carbonyl, and the carbon-carbon double bond in acrylic molecules is disconnected
It opens, sorbic acid and acrylic resin is combined together by the hydrogen bond of formation, reduced between sorbic acid and acrylic resin
Interfacial tension, sorbic acid has good chemical stability and thermal stability, cannot be by water, the substances such as acid remove, so changing
Acrylic resin after property is with good stability.
Further, the crosslinking agent is cumyl peroxide, in benzoyl peroxide, di-isopropylbenzene hydroperoxide
It is one or more of.
Further, the thickener is one or more of gelatin, sodium alginate, chitosan.
Further, the mixed solvent is the mixed liquor that acetate and dehydrated alcohol are mixed according to 1: 3.
Beneficial effects of the present invention:
(1) present invention passes through bentonite, Gao Xing after addition activation during preparing building decoration waterproof and heat-insulating coating
Energy polyurethane and the process modified acrylic emulsion of sorbic acid, bentonite specific surface area increases after activation, swollen in modifying process
Ion exchange occurs for the cations such as calcium or sodium in profit soil, and bentonite becomes hydrophobicity from hydrophily, further enhances painting
The waterproof performance of layer, high performance polyurethane assign the good waterproof of coating and heat-proof quality, modified acrylic emulsion enhancing
The chemical stability of coating；
(2) present invention joined nano silica, titanium dioxide during preparing building decoration waterproof and heat-insulating coating
Silicon face is there are great amount of hydroxy group, easily generation agglomeration, and during the preparation process, nano silica can be with the swelling after activation
Soil combines, so that the coating of preparation had both had good absorption property by with certain self-cleaning property；
(3) building decoration waterproof and heat-insulating coating prepared by the present invention not only has good water resistance and heat-proof quality, also
It is environmentally friendly with excellent self-cleaning, and more, it will not be to environmental concerns.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
Building decoration waterproof and heat-insulating coating, is made of following raw material: 35 parts of bentonites, 55 parts of poly- ammonia of high-performance
Ester, 15 parts of high temperature fillers, 5 parts of cumyl peroxides, 5 parts of gelatin, 20 parts of nano silicas, 30 portions of modified propylene yogurts
Liquid, 75 parts of mixed solvents；
The building decoration waterproof and heat-insulating coating is made of following steps:
Step S1, Bentonite Activation: bentonite (a) is placed in 80 DEG C of drying boxes dry 1h, takes out grinding, crosses 50 mesh
Sieve is added in 10% Klorvess Liquid, 60 DEG C of heating water baths, and at the uniform velocity stirring 30min, filtering turns after being washed with deionized 3 times
Dry 2h in 90 DEG C of drying boxes is moved to, potassium base bentonite is made, the weight ratio for controlling bentonite and Klorvess Liquid is 1: 5；(b)
Potassium base bentonite is added in the beaker equipped with 20% sulfuric acid, is filtered after at the uniform velocity stirring 1h, precipitating is transferred to 10% hydrochloric acid three
In methylamine solution, 2h is stirred under 45 DEG C of heating water baths, is warming up to 80 DEG C, magnetic agitation 4h, control mixing speed is 120r/min,
Filtering, be made activated bentonite, control potassium base bentonite, sulfuric acid, trimethylamine hydrochloride solution weight ratio be 1: 3: 6；
Step S2, it after activated bentonite ion water washing, will be put into 60 DEG C of drying boxes dry 1h, ball mill is added
In, ball milling is carried out with the revolving speed of 800r/min, activated bentonite powder is made, by activated bentonite powder, nano silica,
High performance polyurethane, the mixing of high temperature filler, grinding cross 50 meshes, mix powder are made；
Step S3, in the mixed solvent being added in mix powder, be placed in ultrasonic disperse instrument, control frequency is 23KHz,
Cumyl peroxide and gelatin ultrasound 15min are added after ultrasonic 30min, modified acrylic acid emulsion, 70 DEG C of heating water baths are added
And magnetic agitation 30min, waterproof and heat-insulating coating is made；
High performance polyurethane is made by the following method:
(1) zeolite is placed in a beaker, is transferred in 200 DEG C of Muffle furnace and is activated, is taken out after 3h, after standing cooling
Propylene glycol is added into beaker, propylene oxide is added after at the uniform velocity stirring 5min, is filtered after standing 1h, collection filtrate is spare, control
Zeolite, propylene glycol, the weight ratio of propylene oxide are 1: 3: 2；
(2) beaker equipped with toluene di-isocyanate(TDI) is placed in 60 DEG C of drying boxes dry 30min, taken out, into beaker
Sodium hydroxide powder is added, is transferred to vacuum degree -0.10MPa, dry 2h in the vacuum oven that 80 DEG C of temperature pours into step
(1) in filtrate, 80 DEG C of heating water baths react the unreacted monomer of vacuum removal after 2h, and polyether polyol is made, and control toluene
Diisocyanate, sodium hydroxide weight ratio be 3: 1；
(3) polyether polyol is added in dehydrating kettle, stirring is warming up to 105-115 DEG C, KH550 is added, with 10000r/
The revolving speed high speed dispersion 1h of min is evacuated to -0.095MPa, is dehydrated 2h, until moisture content less than 0.03%, moves to polymerization
Reaction kettle is added dioctyl phthalate and is cooled to 60-70 DEG C, and addition methyl diphenylene diisocyanate is warming up to 80-
85 DEG C, insulation reaction 2-3h, high performance polyurethane is made, controls polyether polyol, dioctyl phthalate, diphenyl methane
The weight ratio of diisocyanate is 10: 1: 2；
Modified acrylic acid emulsion is made by the following method:
(1) after mixing in methyl methacrylate, acrylic acid, addition beaker, three mouthfuls equipped with deionized water are transferred to
In flask, 10% potassium peroxydisulfate is added at the uniform velocity stirring 5min, and 70 DEG C of heating water baths react 1.5h, control methyl methacrylate
Ester, acrylic acid, deionized water, the weight ratio of potassium peroxydisulfate are 4: 3: 10: 1；
(2) methyl methacrylate, acrylic acid is added, is warming up to 90 DEG C, reacts 30min at this temperature, after keeping the temperature 2h
50 DEG C are cooled to, 10% sodium hydroxide solution is added and adjusts pH, until pH=8, filtering, obtain acrylic resin, by acrylic acid
Resin is put into 85 DEG C of drying boxes dry 3h after being washed with deionized, be added in ball mill, is carried out with the revolving speed of 600r/min
Ball milling controls methyl methacrylate, the weight ratio of acrylic acid is 2: 1；
(3) sorbic acid is added in the beaker equipped with dehydrated alcohol, ball is added after sorb acid dissolution in 75 DEG C of heating water baths
Acrylic resin after mill is made acrylic resin modified after ultrasonic disperse 2h, by acrylic resin modified taking-up, uses deionization
Water cleaning is placed in 70 DEG C of drying boxes dry 1h, control sorbic acid, dehydrated alcohol, acrylic resin weight ratio be 3: 5: 1；
(4) diethanol amine in acrylic resin modified addition beaker, will be added, 50 DEG C of heating water baths simultaneously at the uniform velocity stir 2h,
Polyetheramine is added dropwise, glacial acetic acid is added after reacting 1h, is warming up to 65 DEG C, reacts 50min at this temperature, deionized water is added, with
Modified acrylic acid emulsion is made in the revolving speed magnetic agitation 45min of 200r/min, controls acrylic resin modified, diethanol amine, gathers
Ether amines, glacial acetic acid, deionized water weight ratio be 3: 1: 1: 2: 5.
Embodiment 2
Building decoration waterproof and heat-insulating coating, is made of following raw material: 40 parts of bentonites, 60 parts of poly- ammonia of high-performance
Ester, 17 parts of high temperature fillers, 8 parts of cumyl peroxides, 8 parts of gelatin, 22 parts of nano silicas, 34 portions of modified propylene yogurts
Liquid, 80 parts of mixed solvents；
The building decoration waterproof and heat-insulating coating is made of following steps:
Step S1, Bentonite Activation: bentonite (a) is placed in 80 DEG C of drying boxes dry 1h, takes out grinding, crosses 50 mesh
Sieve is added in 10% Klorvess Liquid, 60 DEG C of heating water baths, and at the uniform velocity stirring 30min, filtering turns after being washed with deionized 3 times
Dry 2h in 90 DEG C of drying boxes is moved to, potassium base bentonite is made, the weight ratio for controlling bentonite and Klorvess Liquid is 1: 5；(b)
Potassium base bentonite is added in the beaker equipped with 20% sulfuric acid, is filtered after at the uniform velocity stirring 1h, precipitating is transferred to 10% hydrochloric acid three
In methylamine solution, 2h is stirred under 45 DEG C of heating water baths, is warming up to 80 DEG C, magnetic agitation 4h, control mixing speed is 120r/min,
Filtering, be made activated bentonite, control potassium base bentonite, sulfuric acid, trimethylamine hydrochloride solution weight ratio be 1: 3: 6；
Step S2, it after activated bentonite ion water washing, will be put into 60 DEG C of drying boxes dry 1h, ball mill is added
In, ball milling is carried out with the revolving speed of 800r/min, activated bentonite powder is made, by activated bentonite powder, nano silica,
High performance polyurethane, the mixing of high temperature filler, grinding cross 50 meshes, mix powder are made；
Step S3, in the mixed solvent being added in mix powder, be placed in ultrasonic disperse instrument, control frequency is 23KHz,
Cumyl peroxide and gelatin ultrasound 15min are added after ultrasonic 30min, modified acrylic acid emulsion, 70 DEG C of heating water baths are added
And magnetic agitation 30min, waterproof and heat-insulating coating is made.
Embodiment 3
Building decoration waterproof and heat-insulating coating, is made of following raw material: 45 parts of bentonites, 65 parts of poly- ammonia of high-performance
Ester, 23 parts of high temperature fillers, 13 parts of cumyl peroxides, 13 parts of gelatin, 24 parts of nano silicas, 38 portions of modified propylene yogurts
Liquid, 90 parts of mixed solvents；
The building decoration waterproof and heat-insulating coating is made of following steps:
Step S1, Bentonite Activation: bentonite (a) is placed in 80 DEG C of drying boxes dry 1h, takes out grinding, crosses 50 mesh
Sieve is added in 10% Klorvess Liquid, 60 DEG C of heating water baths, and at the uniform velocity stirring 30min, filtering turns after being washed with deionized 3 times
Dry 2h in 90 DEG C of drying boxes is moved to, potassium base bentonite is made, the weight ratio for controlling bentonite and Klorvess Liquid is 1: 5；(b)
Potassium base bentonite is added in the beaker equipped with 20% sulfuric acid, is filtered after at the uniform velocity stirring 1h, precipitating is transferred to 10% hydrochloric acid three
In methylamine solution, 2h is stirred under 45 DEG C of heating water baths, is warming up to 80 DEG C, magnetic agitation 4h, control mixing speed is 120r/min,
Filtering, be made activated bentonite, control potassium base bentonite, sulfuric acid, trimethylamine hydrochloride solution weight ratio be 1: 3: 6；
Step S2, it after activated bentonite ion water washing, will be put into 60 DEG C of drying boxes dry 1h, ball mill is added
In, ball milling is carried out with the revolving speed of 800r/min, activated bentonite powder is made, by activated bentonite powder, nano silica,
High performance polyurethane, the mixing of high temperature filler, grinding cross 50 meshes, mix powder are made；
Step S3, in the mixed solvent being added in mix powder, be placed in ultrasonic disperse instrument, control frequency is 23KHz,
Cumyl peroxide and gelatin ultrasound 15min are added after ultrasonic 30min, modified acrylic acid emulsion, 70 DEG C of heating water baths are added
And magnetic agitation 30min, waterproof and heat-insulating coating is made.
Embodiment 4
Building decoration waterproof and heat-insulating coating, is made of following raw material: 50 parts of bentonites, 70 parts of poly- ammonia of high-performance
Ester, 25 parts of high temperature fillers, 15 parts of cumyl peroxides, 15 parts of gelatin, 25 parts of nano silicas, 40 portions of modified propylene yogurts
Liquid, 100 parts of mixed solvents；
The building decoration waterproof and heat-insulating coating is made of following steps:
Step S1, Bentonite Activation: bentonite (a) is placed in 80 DEG C of drying boxes dry 1h, takes out grinding, crosses 50 mesh
Sieve is added in 10% Klorvess Liquid, 60 DEG C of heating water baths, and at the uniform velocity stirring 30min, filtering turns after being washed with deionized 3 times
Dry 2h in 90 DEG C of drying boxes is moved to, potassium base bentonite is made, the weight ratio for controlling bentonite and Klorvess Liquid is 1: 5；(b)
Potassium base bentonite is added in the beaker equipped with 20% sulfuric acid, is filtered after at the uniform velocity stirring 1h, precipitating is transferred to 10% hydrochloric acid three
In methylamine solution, 2h is stirred under 45 DEG C of heating water baths, is warming up to 80 DEG C, magnetic agitation 4h, control mixing speed is 120r/min,
Filtering, be made activated bentonite, control potassium base bentonite, sulfuric acid, trimethylamine hydrochloride solution weight ratio be 1: 3: 6；
Step S2, it after activated bentonite ion water washing, will be put into 60 DEG C of drying boxes dry 1h, ball mill is added
In, ball milling is carried out with the revolving speed of 800r/min, activated bentonite powder is made, by activated bentonite powder, nano silica,
High performance polyurethane, the mixing of high temperature filler, grinding cross 50 meshes, mix powder are made；
Step S3, in the mixed solvent being added in mix powder, be placed in ultrasonic disperse instrument, control frequency is 23KHz,
Cumyl peroxide and gelatin ultrasound 15min are added after ultrasonic 30min, modified acrylic acid emulsion, 70 DEG C of heating water baths are added
And magnetic agitation 30min, waterproof and heat-insulating coating is made.
Comparative example 1
This comparative example compared with Example 1, does not activate bentonite.
Comparative example 2
Acrylic emulsion compared with Example 1, is not modified by this comparative example.
Comparative example 3
This comparative example is building decoration waterproof and heat-insulating coating in market.
To the application property of embodiment 1-4 and comparative example 1-3 the building decoration waterproof and heat-insulating coating prepared, drying property, water-fast
Property, heat resistance, corrosion resistance are detected, as a result as shown in table 1 below；
Table 1
| Application property | Drying property | Water resistance | Heat resistance | Corrosion resistance | |
| Embodiment 1 | Brush three | 47min | It is without exception | It is without exception | It is without exception |
| Embodiment 2 | Brush three | 43min | It is without exception | It is without exception | It is without exception |
| Embodiment 3 | Brush three | 41min | It is without exception | It is without exception | It is without exception |
| Embodiment 4 | Brush three | 38min | It is without exception | It is without exception | It is without exception |
| Comparative example 1 | Brush two | 45min | It is without exception | Occur abnormal | Occur abnormal |
| Comparative example 2 | Brush two | 52min | Occur abnormal | Occur abnormal | It is without exception |
| Comparative example 3 | Brush two | 50min | Occur abnormal | Occur abnormal | Occur abnormal |
As can be seen that the building decoration waterproof and heat-insulating coating brushing three of embodiment 1-4 preparation is accessible from upper table 1,
It is accessible that comparative example 1-3 brushes two；The building decoration waterproof and heat-insulating coating surface drying time of embodiment 1-4 preparation is in 38-47min
In range, the surface drying time of comparative example 1-3 is in 45-52min；Building decoration waterproof prepared by embodiment 1-4 and comparative example 1 every
Hot coating impregnates 10h in water and exception does not occur, and comparative example 2-3 impregnates 10h in water and exception occurs；Embodiment 1-4 preparation
Do not occur exception in the detection of building decoration waterproof and heat-insulating coating heat resistance, occurs in the detection of comparative example 1-3 heat resistance abnormal；Implement
Building decoration waterproof and heat-insulating coating prepared by example 1-4 and comparative example 2 impregnates 5 days no appearance exceptions in 10% dilute hydrochloric acid, right
It is abnormal that ratio 1,3 impregnates appearance in 5 days in 10% dilute hydrochloric acid；So the building decoration waterproof and heat-insulating coating prepared through the invention
Not only there is good waterproof and heat-insulating performance, but also have excellent stability energy.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Above content is only citing made for the present invention and explanation, affiliated those skilled in the art are to being retouched
The specific embodiment stated does various modifications or additions or is substituted in a similar manner, and without departing from invention or surpasses
More range defined in the claims, is within the scope of protection of the invention.
Claims (6)
1. building decoration waterproof and heat-insulating coating, which is characterized in that be made of following raw material: 35-50 parts of bentonites, 55-
70 parts of high performance polyurethanes, 15-25 parts of high temperature fillers, 5-15 parts of crosslinking agents, 5-15 parts of thickeners, 20-25 parts of nanometer titanium dioxides
Silicon, 30-40 parts of modified acrylic acid emulsions, 75-100 parts of mixed solvents；
The building decoration waterproof and heat-insulating coating is made of following steps:
Step S1, Bentonite Activation: bentonite (a) is placed in 80 DEG C of drying boxes dry 1h, takes out grinding, 50 meshes is crossed, adds
Enter in 10% Klorvess Liquid, 60 DEG C of heating water baths, at the uniform velocity stirring 30min, filtering is transferred to after being washed with deionized 3 times
Dry 2h, is made potassium base bentonite in 90 DEG C of drying boxes, and the weight ratio for controlling bentonite and Klorvess Liquid is 1: 5；(b) by potassium
Base bentonite is added in the beaker equipped with 20% sulfuric acid, filters after at the uniform velocity stirring 1h, precipitating is transferred to 10% trimethylamine hydrochloride
In solution, 2h is stirred under 45 DEG C of heating water baths, is warming up to 80 DEG C, magnetic agitation 4h, control mixing speed is 120r/min, mistake
Filter, be made activated bentonite, control potassium base bentonite, sulfuric acid, trimethylamine hydrochloride solution weight ratio be 1: 3: 6；
Step S2, it after activated bentonite ion water washing, will be put into 60 DEG C of drying boxes dry 1h, be added in ball mill, with
The revolving speed of 800r/min carries out ball milling, activated bentonite powder is made, by activated bentonite powder, nano silica, Gao Xing
Energy polyurethane, the mixing of high temperature filler, grinding cross 50 meshes, mix powder are made；
Step S3, in the mixed solvent is added in mix powder, be placed in ultrasonic disperse instrument, control frequency is 23KHz, ultrasound
Crosslinking agent and thickener ultrasound 15mi n are added after 30min, modified acrylic acid emulsion, 70 DEG C of heating water baths and magnetic agitation is added
Building decoration waterproof and heat-insulating coating is made in 30min.
2. building decoration waterproof and heat-insulating coating according to claim 1, which is characterized in that the high performance polyurethane is by such as
Lower section method is made:
(1) zeolite is placed in a beaker, is transferred in 200 DEG C of Muffle furnace and is activated, is taken out after 3h, to burning after standing is cooling
Propylene glycol is added in cup, propylene oxide is added after at the uniform velocity stirring 5min, is filtered after standing 1h, collection filtrate is spare, control zeolite,
Propylene glycol, the weight ratio of propylene oxide are 1: 3: 2；
(2) beaker equipped with toluene di-isocyanate(TDI) is placed in 60 DEG C of drying boxes dry 30min, takes out, is added into beaker
Sodium hydroxide powder, is transferred to vacuum degree -0.10MPa, and dry 2h in the vacuum oven that 80 DEG C of temperature pours into step (1)
In filtrate, 80 DEG C of heating water baths react the unreacted monomer of vacuum removal after 2h, and polyether polyol is made, and control toluene two is different
Cyanate, sodium hydroxide weight ratio be 3: 1；
(3) polyether polyol is added in dehydrating kettle, stirring is warming up to 105-115 DEG C, KH550 is added, with 10000r/min's
Revolving speed high speed dispersion 1h is evacuated to -0.095MPa, is dehydrated 2h, until moisture content less than 0.03%, moves to polymerization reaction
Kettle is added dioctyl phthalate and is cooled to 60-70 DEG C, and addition methyl diphenylene diisocyanate is warming up to 80-85
DEG C, high performance polyurethane is made in insulation reaction 2-3h, controls polyether polyol, dioctyl phthalate, diphenyl methane two
The weight ratio of isocyanates is 10: 1: 2.
3. building decoration waterproof and heat-insulating coating according to claim 1, which is characterized in that the modified acrylic acid emulsion by
Following method is made:
(1) after mixing in methyl methacrylate, acrylic acid, addition beaker, it is transferred to the three-necked flask equipped with deionized water
In, 10% potassium peroxydisulfate is added at the uniform velocity stirring 5min, and 70 DEG C of heating water baths react 1.5h, control methyl methacrylate, third
Olefin(e) acid, deionized water, the weight ratio of potassium peroxydisulfate are 4: 3: 10: 1；
(2) methyl methacrylate, acrylic acid is added, is warming up to 90 DEG C, reacts 30min at this temperature, cools down after keeping the temperature 2h
To 50 DEG C, 10% sodium hydroxide solution is added and adjusts pH, until pH=8, filtering, obtain acrylic resin, by acrylic resin
It is put into 85 DEG C of drying boxes dry 3h after being washed with deionized, is added in ball mill, ball milling is carried out with the revolving speed of 600r/min,
Control methyl methacrylate, the weight ratio of acrylic acid is 2: 1；
(3) sorbic acid is added in the beaker equipped with dehydrated alcohol, 75 DEG C of heating water baths, after ball milling is added after sorb acid dissolution
Acrylic resin, be made acrylic resin modified after ultrasonic disperse 2h, it is clear with deionized water by acrylic resin modified taking-up
Wash and be placed in 70 DEG C of drying boxes dry 1h, control sorbic acid, dehydrated alcohol, acrylic resin weight ratio be 3: 5: 1；
(4) diethanol amine in acrylic resin modified addition beaker, will be added, 50 DEG C of heating water baths simultaneously at the uniform velocity stir 2h, are added dropwise
Polyetheramine is added glacial acetic acid after reacting 1h, is warming up to 65 DEG C, reacts 50min at this temperature, deionized water is added, with 200r/
Modified acrylic acid emulsion is made in the revolving speed magnetic agitation 45mi n of mi n, controls acrylic resin modified, diethanol amine, polyethers
Amine, glacial acetic acid, deionized water weight ratio be 3: 1: 1: 2: 5.
4. building decoration waterproof and heat-insulating coating according to claim 1, which is characterized in that the crosslinking agent is peroxidating two
One or more of isopropylbenzene, benzoyl peroxide, di-isopropylbenzene hydroperoxide.
5. building decoration waterproof and heat-insulating coating according to claim 1, which is characterized in that the thickener is gelatin, sea
One or more of mosanom, chitosan.
6. building decoration waterproof and heat-insulating coating according to claim 1, which is characterized in that the mixed solvent is acetate
The mixed liquor mixed with dehydrated alcohol according to 1: 3.
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Application publication date: 20190712 |