CN110511630A - A kind of construction waterproof coating and preparation method thereof - Google Patents
A kind of construction waterproof coating and preparation method thereof Download PDFInfo
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- CN110511630A CN110511630A CN201910700350.1A CN201910700350A CN110511630A CN 110511630 A CN110511630 A CN 110511630A CN 201910700350 A CN201910700350 A CN 201910700350A CN 110511630 A CN110511630 A CN 110511630A
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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
- C09D129/00—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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
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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
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- 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
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Abstract
The present invention discloses a kind of construction waterproof coating and preparation method thereof, raw material including following parts by weight proportion: 49-53 parts of polyvinyl butyral, 20-26 parts of polyvinyl acetate, 129-135 parts of acetone, 10-13 parts of polyvinylpyrrolidone, 10-14 parts of Sodium Polyacrylate, 33-39 parts of carboxylic styrene butadiene latex, 21-23 parts of dimethyl silicone polymer, 5-8 parts of shea butter, 8-10 parts of castor oil, 53-56 parts of hydrophobicity aerosil, 20-23 parts of nanometer calcium carbonate, 4-6 parts of erucyl amide, 2-4 parts of butyl titanate, 2-6 parts and 7-15 parts of methyl-etherified melamine resin of dibutyl tin dilaurate, the construction waterproof coating has good waterproof effect, there is good hydrophobicity again simultaneously, moisture is not easy to rest on coating Surface.
Description
Technical field
The present invention relates to a kind of construction waterproof coatings and preparation method thereof.
Background technique
The Chinese government pays much attention to buildings waterproof, and waterproof material occupies critically important position in building material product.At present
Water-repellent paint in the market is mainly based on polyurethane water-proof paint.But contain suspected carcinogens matter in polyurethane water-proof paint
With a large amount of organic solvents, these substances are very unfavorable to human health and environment.With the development and people's living standard of society
Continuous improvement, the environmental protection of people, health perception are remarkably reinforced, higher and higher to the security requirement of living environment, relevant
Laws and regulations are also increasingly strict, therefore it is extremely urgent to develop green and pollution-free water-repellent paint.
State's laws provide that house toilet, kitchen, balcony etc. before handing over room with the place of water will do upper waterproof, still
Some developers only perform a task perfunctorily, waterproof is unqualified, thus majority in the link of finishing will also for toilet, kitchen,
Do one of waterproof in the place of the water such as balcony.
Summary of the invention
The technical problem to be solved in the present invention is to provide one kind to have good waterproof effect, while having good dredge again
Aqueous, moisture is not easy to rest on construction waterproof coating of coating surface and preparation method thereof.
To solve the above problems, the present invention adopts the following technical scheme:
A kind of construction waterproof coating, the raw material including following parts by weight proportion: 49-53 parts of polyvinyl butyral,
20-26 parts of polyvinyl acetate, 129-135 parts of acetone, 10-13 parts of polyvinylpyrrolidone, 10-14 parts of Sodium Polyacrylate, carboxylic
33-39 parts of base styrene-butadiene latex, 21-23 parts of dimethyl silicone polymer, 5-8 parts of shea butter, 8-10 parts of castor oil, hydrophobicity gas phase
53-56 parts of silica, 20-23 parts of nanometer calcium carbonate, 4-6 parts of erucyl amide, 2-4 parts of butyl titanate, two fourth of tin dilaurate
2-6 parts and 7-15 parts of methyl-etherified melamine resin of base tin.
Further, the raw material including following parts by weight proportion: 49 parts of polyvinyl butyral, polyvinyl acetate 20
Part, 129 parts of acetone, 10 parts of polyvinylpyrrolidone, 10 parts of Sodium Polyacrylate, 33 parts of carboxylic styrene butadiene latex, polydimethylsiloxanes
21 parts of alkane, 5 parts of shea butter, 8 parts of castor oil, 53 parts of hydrophobicity aerosil, 20 parts of nanometer calcium carbonate, erucyl amide 4
Part, 2 parts of butyl titanate, 2 parts of dibutyl tin dilaurate and 7 parts of methyl-etherified melamine resin.
Further, the raw material including following parts by weight proportion: 53 parts of polyvinyl butyral, polyvinyl acetate 26
Part, 135 parts of acetone, 13 parts of polyvinylpyrrolidone, 14 parts of Sodium Polyacrylate, 39 parts of carboxylic styrene butadiene latex, polydimethylsiloxanes
23 parts of alkane, 8 parts of shea butter, 10 parts of castor oil, 56 parts of hydrophobicity aerosil, 23 parts of nanometer calcium carbonate, erucyl amide 6
Part, 4 parts of butyl titanate, 6 parts of dibutyl tin dilaurate and 15 parts of methyl-etherified melamine resin.
Further, the raw material including following parts by weight proportion: 51 parts of polyvinyl butyral, polyvinyl acetate 23
Part, 133 parts of acetone, 12 parts of polyvinylpyrrolidone, 13 parts of Sodium Polyacrylate, 35 parts of carboxylic styrene butadiene latex, polydimethylsiloxanes
22 parts of alkane, 7 parts of shea butter, 9 parts of castor oil, 55 parts of hydrophobicity aerosil, 22 parts of nanometer calcium carbonate, erucyl amide 5
Part, 3 parts of butyl titanate, 4 parts of dibutyl tin dilaurate and 10 parts of methyl-etherified melamine resin.
Another technical problem to be solved by the present invention is that providing a kind of preparation method of construction waterproof coating, including following
Step:
1) 129-135 parts of acetone are poured into agitator tank, polyvinyl butyral 49-53 parts, poly- acetic acid is then added
20-26 parts and 7-15 parts of methyl-etherified melamine resin of vinyl acetate are stirred, and wherein temperature is maintained at 10-15 when stir process
DEG C, mixing is made until being completely dissolved to polyvinyl butyral and polyvinyl acetate in mixing speed 30-60r/min
Liquid, it is spare；
2) by 33-39 parts of carboxylic styrene butadiene latex, 21-23 parts of dimethyl silicone polymer, 5-8 parts of shea butter and castor oil 8-
10 parts are poured into mixed liquor made from step 1) and are stirred, so that material is uniformly mixed, mixed emulsion is made, standby
With；
3) polyvinylpyrrolidone 10-13 parts, 10-14 parts of Sodium Polyacrylate, 53-56 parts of hydrophobicity aerosil,
20-23 parts of nanometer calcium carbonate, 4-6 parts of erucyl amide, 2-4 parts of butyl titanate, 2-6 parts of dibutyl tin dilaurate pour into together
Into mixed emulsion obtained in step 2), it is stirred, wherein the mixing speed of the stir process is 30-40r/min,
Mixing time is 2-3h to get water-repellent paint.
The beneficial effects of the present invention are: having good waterproof effect, while there is good hydrophobicity again, does not absorb water
Surface, the rainwater fallen on coating can form droplet because of the effect of surface tension, and moisture is not easy to rest on coating surface, so as to
To play good self-cleaning effect.
The characteristics of being the raw material of construction waterproof coating below or effect:
Polyvinyl butyral:, the metal bottom of adhesive force, water-tolerant strong for manufacturing anticorrosive coating, antirust ability
Coating and cold-proof paint.It can also be used to manufacture anti-piping compound, stiffening agent and other waterproof materials.
Polyvinyl acetate: it is used as coating, adhesive, paper, chewing gum base and fabric finishing agent.
Acetone: being a kind of colourless transparent liquid, there is special acrid odors, volatile, industrially mainly as solvent.
Polyvinylpyrrolidone: it is transparent without influencing true qualities with the paint of PVP cladding, coating film forming, improve coating and face
The gloss and dispersibility of material improve thermal stability
Sodium Polyacrylate: having the function of fixing metal ions, can prevent metal ion to the negative consequence of product, is one
Kind has the surfactant of a variety of properties.Pigment dispersing agent is done for coating industry.There is association with carboxylic styrene butadiene latex
Same-action can be such that carboxylated styrene-butadiene latex viscosity increases, and avoid dehydration, and coating system is kept to stablize.
Carboxylic styrene butadiene latex: carboxylic styrene butadiene latex is terpolymer.Conjunctiva intensity and bonding force with higher；Stablize
Property, mobility are all good；Loading is big；Moldability is good；With pigment, filler compatibility is good the features such as.It easily mixes and matches with other coating
5, chemical stability is excellent.
Dimethyl silicone polymer: colourless or light yellow liquid, tasteless, transparency is high, has heat resistance, cold resistance, viscosity
It is small to vary with temperature small, waterproofness, surface tension, as hydrophober, promotes whole hydrophobicity.
Shea butter: hydrophobic molecule includes alkane, oil, fat and most substances containing greasy.As hydrophobing agent.
Castor oil: have good stability, colour retention, pliability, pigment-dispersing, wettability, lubricity, low-temperature characteristics,
Electrical characteristic and biological nature therefore can be with regard to this fit applications in varnish paint, rtificial leather, ink, sealant, profit
Lubrication prescription, stationery, cosmetics, electrical insulating material, medicine etc..Containing hydrophobic molecule, as hydrophobing agent.To polyvinyl alcohol contracting fourth
Aldehyde has preferable intermiscibility.
Hydrophobicity aerosil: hydrophobicity aerosil cannot be moistened by water.Agent of low hygroscopicity divides well
It dissipates property, also have rheology-modifying ability even for polar system, with its superior stability, reinforcing, thickening property and thixotropy,
Using the same scheme of solid hydrophobic agent and liquid hydrophobic agent, hydrophobing agent additive amount is big, while to other performance shadows of paint
Sound is very few.
Nanometer calcium carbonate: substantially improving the thixotropy of system, is remarkably improved the adhesive force of coating, and abrasion resistance is resistance to be stained with
Dirt improves intensity and surface smoothness, and has good anti-settling effect.With polyvinyl butyral and Carboxy
Latex compounding, can play outstanding adhesive force so that coating is not easily to fall off, while with castor oil, hydrophobicity gas phase titanium dioxide
The hydrophobic substance compounding such as silicon, shea butter and dimethyl silicone polymer, combines outstanding hydrophobicity and outstanding any surface finish
Degree, so that dust is difficult to rest on coating surface for a long time, once meeting water on coating can be so that dust be slided together with moisture
It falls, plays outstanding effect of keeping a public place clean.
Erucyl amide: outstanding smooth, anti-adhesion fouling resistance can be played the role of by compounding with nanometer calcium carbonate, delay face
Material, filling settlement and agglomeration help redisperse, increase wearability, scratch resistance and the smoothness of the surface of coating.
Butyl titanate: can be improved heat resistanceheat resistant performance applied to coating, improves coating, rubber and plastics and glues to metal surface
It is attached, also serve as condensation catalyst, crosslinking agent.
Dibutyl tin dilaurate: there is excellent lubricity, transparent, weatherability.Halophile pollution is preferable.
Methyl-etherified melamine resin: dissolving in ketone, aromatic hydrocarbons, esters, alcohol ethers solvent, and there is fabulous hardness, soft in when solidification
Toughness and outdoor weathe resistance.It is mainly used for coil steel coating and automobile coating.With hydrophobicity aerosil, carboxylic styrene butadiene latex and
Erucyl amide can effectively promote the mechanical performance of coating, so that the hardness of coating is greatly improved, so that coating is more
Add scratch resistance, crashworthiness.
Specific embodiment
Technical solution of the present invention is described below, it is clear that described embodiment is only present invention a part
Embodiment, instead of all the embodiments, to those skilled in the art, in the premise not made the creative labor
Under, other embodiments can also be obtained according to these embodiments.
Embodiment 1:
A kind of construction waterproof coating, the raw material including following parts by weight proportion: 49 parts of polyvinyl butyral, poly- second
20 parts of vinyl acetate, 10 parts of polyvinylpyrrolidone, 10 parts of Sodium Polyacrylate, 33 parts of carboxylic styrene butadiene latex, gathers 129 parts of acetone
21 parts of dimethyl siloxane, 5 parts of shea butter, 8 parts of castor oil, 53 parts of hydrophobicity aerosil, 20 parts of nanometer calcium carbonate,
4 parts of erucyl amide, 2 parts of butyl titanate, 2 parts of dibutyl tin dilaurate and 7 parts of methyl-etherified melamine resin.
A kind of preparation method of construction waterproof coating the following steps are included:
1) 129 parts of acetone are poured into agitator tank, 49 parts of polyvinyl butyral, polyvinyl acetate 20 is then added
Part is stirred with 7 parts of methyl-etherified melamine resin, and wherein temperature is maintained at 10 DEG C when stir process, mixing speed 30r/
Mixed liquor is made until being completely dissolved to polyvinyl butyral and polyvinyl acetate in min, spare；
2) 33 parts of carboxylic styrene butadiene latex, 21 parts of dimethyl silicone polymer, 5 parts of shea butter and 8 parts of castor oil are poured into
It is stirred in mixed liquor made from step 1), so that material is uniformly mixed, mixed emulsion is made, it is spare；
3) 10 parts of polyvinylpyrrolidone, 10 parts of Sodium Polyacrylate, 53 parts of hydrophobicity aerosil, nanometer calcium carbonate
20 parts, 4 parts of erucyl amide, 2 parts of butyl titanate, 2 parts of dibutyl tin dilaurate be poured into together it is obtained mixed in step 2)
It closes in lotion, is stirred, wherein the mixing speed of the stir process is 30r/min, and mixing time is 2h to get waterproof
Coating.
Embodiment 2:
A kind of construction waterproof coating, the raw material including following parts by weight proportion: 53 parts of polyvinyl butyral, poly- second
26 parts of vinyl acetate, 13 parts of polyvinylpyrrolidone, 14 parts of Sodium Polyacrylate, 39 parts of carboxylic styrene butadiene latex, gathers 135 parts of acetone
23 parts of dimethyl siloxane, 8 parts of shea butter, 10 parts of castor oil, 56 parts of hydrophobicity aerosil, nanometer calcium carbonate 23
Part, 6 parts of erucyl amide, 4 parts of butyl titanate, 6 parts of dibutyl tin dilaurate and 15 parts of methyl-etherified melamine resin.
A kind of preparation method of construction waterproof coating, comprising the following steps:
1) 135 parts of acetone are poured into agitator tank, 53 parts of polyvinyl butyral, polyvinyl acetate 26 is then added
Part is stirred with 15 parts of methyl-etherified melamine resin, and wherein temperature is maintained at 15 DEG C when stir process, and mixing speed is
Mixed liquor is made until being completely dissolved to polyvinyl butyral and polyvinyl acetate in 60r/min, spare；
2) 39 parts of carboxylic styrene butadiene latex, 23 parts of dimethyl silicone polymer, 8 parts of shea butter and 10 parts of castor oil are poured into
It is stirred in mixed liquor made from step 1), so that material is uniformly mixed, mixed emulsion is made, it is spare；
3) 13 parts of polyvinylpyrrolidone, 14 parts of Sodium Polyacrylate, 56 parts of hydrophobicity aerosil, nanometer calcium carbonate
23 parts, 6 parts of erucyl amide, 4 parts of butyl titanate, 6 parts of dibutyl tin dilaurate be poured into together it is obtained mixed in step 2)
It closes in lotion, is stirred, wherein the mixing speed of the stir process is 40r/min, and mixing time is 3h to get waterproof
Coating.
Embodiment 3:
A kind of construction waterproof coating, the raw material including following parts by weight proportion: 51 parts of polyvinyl butyral, poly- second
23 parts of vinyl acetate, 12 parts of polyvinylpyrrolidone, 13 parts of Sodium Polyacrylate, 35 parts of carboxylic styrene butadiene latex, gathers 133 parts of acetone
22 parts of dimethyl siloxane, 7 parts of shea butter, 9 parts of castor oil, 55 parts of hydrophobicity aerosil, 22 parts of nanometer calcium carbonate,
5 parts of erucyl amide, 3 parts of butyl titanate, 4 parts of dibutyl tin dilaurate and 10 parts of methyl-etherified melamine resin.
A kind of preparation method of construction waterproof coating, comprising the following steps:
1) 133 parts of acetone are poured into agitator tank, 21 parts of polyvinyl butyral, polyvinyl acetate 23 is then added
Part is stirred with 10 parts of methyl-etherified melamine resin, and wherein temperature is maintained at 13 DEG C when stir process, and mixing speed is
Mixed liquor is made until being completely dissolved to polyvinyl butyral and polyvinyl acetate in 50r/min, spare；
2) 35 parts of carboxylic styrene butadiene latex, 22 parts of dimethyl silicone polymer, 7 parts of shea butter and 9 parts of castor oil are poured into
It is stirred in mixed liquor made from step 1), so that material is uniformly mixed, mixed emulsion is made, it is spare；
3) 12 parts of polyvinylpyrrolidone, 13 parts of Sodium Polyacrylate, 55 parts of hydrophobicity aerosil, nanometer calcium carbonate
22 parts, 5 parts of erucyl amide, 3 parts of butyl titanate, 4 parts of dibutyl tin dilaurate be poured into together it is obtained mixed in step 2)
It closes in lotion, is stirred, wherein the mixing speed of the stir process is 35r/min, and mixing time is 2h to get waterproof
Coating.
Experimental example
Performance test:
Embodiment 1-3 is tested for the property by reference standard GB/T23445-2009, and the result is shown in following tables:
It is tested for the property by embodiment 1-3, it can be seen that the coating performance of embodiment 1-3 is outstanding.
The beneficial effects of the present invention are: having good waterproof effect, while there is good hydrophobicity again, does not absorb water
Surface, the rainwater fallen on coating can form droplet because of the effect of surface tension, and moisture is not easy to rest on coating surface, so as to
To play good self-cleaning effect.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of construction waterproof coating, which is characterized in that the raw material including following parts by weight proportion: polyvinyl butyral
49-53 parts, 20-26 parts of polyvinyl acetate, 129-135 parts of acetone, 10-13 parts of polyvinylpyrrolidone, Sodium Polyacrylate 10-
14 parts, 33-39 parts of carboxylic styrene butadiene latex, 21-23 parts of dimethyl silicone polymer, 5-8 parts of shea butter, 8-10 parts of castor oil, dredge
Aqueous fumed silica 53-56 parts, 20-23 parts of nanometer calcium carbonate, 4-6 parts of erucyl amide, 2-4 parts of butyl titanate, February
2-6 parts and 7-15 parts of methyl-etherified melamine resin of dilaurylate.
2. a kind of construction waterproof coating as described in claim 1, which is characterized in that the original including following parts by weight proportion
Material: 49 parts of polyvinyl butyral, 20 parts of polyvinyl acetate, 129 parts of acetone, 10 parts of polyvinylpyrrolidone, polyacrylic acid
10 parts of sodium, 33 parts of carboxylic styrene butadiene latex, 21 parts of dimethyl silicone polymer, 5 parts of shea butter, 8 parts of castor oil, hydrophobicity gas phase two
53 parts of silica, 20 parts of nanometer calcium carbonate, 4 parts of erucyl amide, 2 parts of butyl titanate, 2 parts of dibutyl tin dilaurate and methyl ether
Change 7 parts of melamine resin.
3. a kind of construction waterproof coating as described in claim 1, which is characterized in that the original including following parts by weight proportion
Material: 53 parts of polyvinyl butyral, 26 parts of polyvinyl acetate, 135 parts of acetone, 13 parts of polyvinylpyrrolidone, polyacrylic acid
14 parts of sodium, 39 parts of carboxylic styrene butadiene latex, 23 parts of dimethyl silicone polymer, 8 parts of shea butter, 10 parts of castor oil, hydrophobicity gas phase
56 parts of silica, 23 parts of nanometer calcium carbonate, 6 parts of erucyl amide, 4 parts of butyl titanate, 6 parts of dibutyl tin dilaurate and first
15 parts of melamine resin of etherificate.
4. a kind of construction waterproof coating as described in claim 1, which is characterized in that the original including following parts by weight proportion
Material: 51 parts of polyvinyl butyral, 23 parts of polyvinyl acetate, 133 parts of acetone, 12 parts of polyvinylpyrrolidone, polyacrylic acid
13 parts of sodium, 35 parts of carboxylic styrene butadiene latex, 22 parts of dimethyl silicone polymer, 7 parts of shea butter, 9 parts of castor oil, hydrophobicity gas phase two
55 parts of silica, 22 parts of nanometer calcium carbonate, 5 parts of erucyl amide, 3 parts of butyl titanate, 4 parts of dibutyl tin dilaurate and methyl ether
Change 10 parts of melamine resin.
5. a kind of preparation method of construction waterproof coating, which comprises the following steps:
1) 129-135 parts of acetone are poured into agitator tank, polyvinyl butyral 49-53 parts, polyvinyl acetate is then added
20-26 parts and 7-15 parts of methyl-etherified melamine resin of ester are stirred, and wherein temperature is maintained at 10-15 DEG C when stir process,
Mixing speed is 30-60r/min, until being completely dissolved to polyvinyl butyral and polyvinyl acetate, mixed liquor is made, standby
With；
2) by 33-39 parts of carboxylic styrene butadiene latex, 21-23 parts of dimethyl silicone polymer, 5-8 parts of shea butter and 8-10 parts of castor oil
It is poured into mixed liquor made from step 1) and is stirred, so that material is uniformly mixed, mixed emulsion is made, it is spare；
3) polyvinylpyrrolidone 10-13 parts, 10-14 parts of Sodium Polyacrylate, 53-56 parts of hydrophobicity aerosil, nanometer
20-23 parts of calcium carbonate, 4-6 parts of erucyl amide, 2-4 parts of butyl titanate, 2-6 parts of dibutyl tin dilaurate be poured into step together
It is rapid 2) in mixed emulsion obtained, be stirred, wherein the mixing speed of the stir process is 30-40r/min, stirring
Time is 2-3h to get water-repellent paint.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114774000A (en) * | 2022-04-14 | 2022-07-22 | 广州集泰化工股份有限公司 | Thick-coating type solvent-free water-based container underframe paint and preparation method thereof |
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