CN109337493A - A kind of Environment-friendlyinternal internal wall paint and preparation method thereof - Google Patents
A kind of Environment-friendlyinternal internal wall paint and preparation method thereof Download PDFInfo
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- CN109337493A CN109337493A CN201810963319.2A CN201810963319A CN109337493A CN 109337493 A CN109337493 A CN 109337493A CN 201810963319 A CN201810963319 A CN 201810963319A CN 109337493 A CN109337493 A CN 109337493A
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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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
- C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
- C08F230/08—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1668—Vinyl-type polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention discloses a kind of Environment-friendlyinternal internal wall paint and preparation method thereof, the ingredient and its parts by weight of the coating: 6-11 parts of modified silicasol, 30-47 parts of modified acrylate emulsion, 2-3 parts of talcum powder, 3-5 parts of sharp type titanium dioxide, 3-5 parts of wollastonite in powder, 1.8-2.5 parts of White Carbon black, 4.8-7.2 parts of bamboo fibre powder, 5-8 parts of conch meal, 0.05-0.06 parts of wetting agent, 0.08-0.13 parts of film forming agent, 0.1-0.15 parts of dispersing agent, 0.02-0.1 parts of defoaming agent, 0.1-0.5 parts of thickener, 7-12 parts of water.The formula of coating of the present invention is simple, has the function of natural environmental-protective, radiation protection, fungus-resistant, ventilative moisture absorption, dirt-resistant, and the film adhesive after drying is good, can eliminate peculiar smell and adjusting air humidity；Preparation method working condition is simple, significant loss is few, without using hydroxyethyl cellulose in preparation process.
Description
Technical field
The present invention relates to technical field of coatings more particularly to a kind of Environment-friendlyinternal internal wall paint and preparation method thereof.
Background technique
Interior wall coating is by face, filler, and auxiliary agent and lotion have sticking suspension made of stirring and grind, will
It, which is coated in the film formed on surface of wall, can play the role of protecting wall but also play decoration function.With national economy
With the continuous improvement of living standards of the people, the sustainable development of residence industry and decorations industry, building coating especially interior wall coating
There has also been the broad based growth world.Interior wall coating develops to functional paint direction under the premise of environmental protection, and the development of interior wall coating becomes
Gesture is low smell, net aldehyde, scrubbing resistance, antibacterial, damping etc., and in recent years, construction market is to the interior wall coating of low-cost environment-friendly
Demand is increasing, the environmentally friendly target at focus concerned by people and pursuit of living.And the interior wall coating united is because containing nocuousness
Substance, the health of long-term hazards people, and will be gradually by market.
The building coating prepared using acrylic acid ester emulsion or copolymer acrylate homopolymerization lotion as base-material.The spy of this kind of coating
Point is that water resistance, alkali resistance, ultraviolet resistance degradability are good, has preferable light of protecting to protect color ability.Pass through setting for pigment volume concentration (PVC)
Meter, can be made zero diopter, semi-gloss and the interior wall coating for having light；Can also prepare plane, true stone shape and galling paint and tool
There is the functional coating of various decoration functions.But the acrylic acid ester emulsion prepared using common emulsifier, since emulsifier exists
Free state is in final product, it is all undesirable with performances such as adhesive force, shock resistance and the water resistances of paint film of its preparation
Also far apart with traditional solvent based coating in performance, this is to lead to current Water-borne Acrylic Coating pushing away in coatings industry
The main reason for wide and popularity can not show a candle to solvent-type acrylic ester paint.And reactive emulsifier is used to prepare lotion, by
Form covalent bonding in emulsifier and macromolecular chain, overcome during conventional emulsion polymerizations due to emulsifier is free and to most
The drawbacks of final polymerization physical performance causes adverse effect.Compared with using the lotion of common emulsifier preparation, emulsified using response type
The lotion of agent preparation has the advantages that stability is good, average grain diameter is small.The paint film adhesion prepared with it is strong, shock resistance and water-fast
Property is excellent.Therefore, novel, efficient organosilicon-modified acrylate emulsion is researched and developed to the Water-borne modification of coating with important
Meaning.
Summary of the invention
One of the objects of the present invention is to provide a kind of formula is simple, there is natural environmental-protective, radiation protection, fungus-resistant, thoroughly
Aspiration is wet, dirt-resistant function, it is dry after film adhesive it is good, the environment-friendly type inner wall of peculiar smell and adjusting air humidity can be eliminated
Coating.
The second object of the present invention is to provide that a kind of working condition is simple, significant loss is few, without making in preparation process
With hydroxyethyl cellulose, modified acrylate emulsion self-emulsifying ability obtained, stability is good, gel fraction is low, average grain diameter is small,
The preparation method of drying time short Environment-friendlyinternal internal wall paint.
The present invention in background technique aiming at the problem that mentioning, the technical solution taken are as follows: a kind of Environment-friendlyinternal internal wall paint, packet
Include following ingredient and its parts by weight: 6-11 parts of modified silicasol, 30-47 parts of modified acrylate emulsion, 2-3 parts of talcum powder, sharp
3-5 parts of type titanium dioxide, 3-5 parts of wollastonite in powder, 1.8-2.5 parts of White Carbon black, 4.8-7.2 parts of bamboo fibre powder, 5-8 parts of conch meal, profit
0.05-0.06 parts of humectant, 0.08-0.13 parts of film forming agent, 0.1-0.15 parts of dispersing agent, 0.02-0.1 parts of defoaming agent, thickener
0.1-0.5 parts, 7-12 parts of water；Modified silicasol is to obtain through the modification of silane coupling agent, dimethyl carbonate and equal amido phenenyl acid
Water silica sol.Formulation for coating material of the present invention is simple, has natural environmental-protective, radiation protection, fungus-resistant, ventilative moisture absorption, dirt-resistant
Function, it is dry after painting membrane stability it is good, do not crack, adhesive force is good, shock resistance, arranged regular after coating dry film, at
Film is fine and close, hardness is higher, and the dirts such as dust, greasy dirt are not easy to infiltrate into coating, and aspect is arranged, moreover it is possible to the invasion of moisture is prevented,
The toxic gas that finishing generates and the moisture stored within the walls can be additionally adsorbed, eliminates peculiar smell and adjusting air humidity, and have
There are extremely strong antibacterial and sterilizing function.
Preferably, modified silicasol the preparation method comprises the following steps: in the ratio of solid content 1:0.8-0.9(wt/wt) by silane
Coupling agent KH-560 aqueous solution is added into water silica sol, dimethyl carbonate and equal amido phenenyl acid is added, at 62-70 DEG C
Lower reaction 3-5h is spare to get modified silicasol.The step is modified silica solution with silane coupling agent, makes silane coupled
SiO in silane group and silica solution after agent hydrolysis2The silicone hydroxyl polycondensation on surface forms chemical bond, can make organic phase and inorganic phase
Between preferably combine, increase the hydrophobicity of silica solution, realize that it is evenly dispersed in the preparation step of coating, keep coating
Stable homogeneous, improve anti-stain characteristic, gas permeability and the ageing-resistant performance of coating.
Further preferably, the additive amount of dimethyl carbonate is silane coupling agent KH-560 in the preparation step of modified silicasol
0.62-0.68%, the additive amount of equal amido phenenyl acid is the 0.042-0.046% of silane coupling agent KH-560.Dimethyl carbonate
With equal amido phenenyl acid can temperature be 62-70 DEG C in the range of hydroxyl can be promoted to SiO2Particle surface migration, increases
Large charge density, so that SiO2And SiO2Electrostatic interparticle repulsion accounts for leading, does not easily lead to particle encounter and is gelled, thus can mention
SiO in high silica solution2Dispersing uniformity in the reaction system increases SiO in silane group and silica solution2Touch opportunity, improve
The modified effect of silica solution, and extra silane coupling agent can be removed, avoid extra silane coupling agent from causing modified silicon molten
SiO in glue2The cohesion of particle improves the stability of modified silicasol, and then improves the stability of coating, and dimethyl carbonate
It can promote the organosiloxane with reactivity base that can occur with the hydroxyl in silicate substrate with equal amido phenenyl acid anti-
It answers, increases film adhesive force on base material.
Preferably, thickener is selected from hydrophobically-modified alkali swelling association type, acrylic compounds alkali thickening is formed and type or polyurethane
Class association type.
A kind of preparation method of Environment-friendlyinternal internal wall paint, specifically comprises the following steps:
Methyl methacrylate, butyl acrylate, acrylic acid, vinyltriethoxysilane are taken, mix monomer is uniformly mixed to obtain,
It is spare, methyl methacrylate in above-mentioned mix monomer, butyl acrylate, acrylic acid, vinyltriethoxysilane weight
Than for 1:1.05-1.12:0.6-0.7:4.7-5.1；
By deionized water, the 18-22wt% mix monomer of mix monomer gross mass, ammonium persulfate gross mass 30-40wt% over cure
Sour ammonium and emulsifier are added in reaction kettle, in logical N2, under 550-650r/min stirring then be warming up to 78-88 to fully emulsified
DEG C, constant temperature to lotion drips remaining ammonium persulfate and mix monomer after becoming basket in 100-115min, and keeps the temperature 40-50min,
It being cooled to room temperature, the ammonium hydroxide for being finally 8-12% with concentration adjusts pH to 7-8 to get modified acrylate emulsion, and it is spare, it is above-mentioned
Ammonium persulfate dosage is the 0.2-0.4% of mix monomer weight, and emulsifier is the 0.6-0.8% of mix monomer weight, emulsification
Agent be weight ratio be 1:1.1-1.2:0.07-0.08 allyl propylsultaine succinic acid dibasic acid esters sodium salt, allyl octylphenol polyethylene
Ethylene oxide ether and sucrose fatty ester.The interfacial film that mentioned emulsifier can be formed in two-phase interface, can protect organosiloxane
It is not easy hydrolyzed and polycondensation, so that emulsion polymerization can be normally carried out, reduction gel fraction is low and becomes the blue time, improves and polymerize
The degree of polymerization and rate of polymerization of object particle, and keep obtained emulsification emulsion intercalation method preferable, while the reasonable combination of the emulsifier
Extra initiator can be prevented to play electrolyte in lotion water phase and increase the concentration of water phase electrolyte in lotion, maintain emulsification
The repulsive force between polymer particle in lotion avoids the average grain diameter for increasing polymer particle in emulsification lotion, enhancing emulsification
The permeability of lotion, the drying time for reducing emulsification lotion improve the adhesive force and shock resistance of coating after drying, the step
Contain unsaturated double-bond with emulsifier, after initiator ammonium persulfate is added in emulsion system, emulsifier will be in initiator
Effect is lower and macromolecular chain in acrylate particle surface forms covalent bonding, overcome during conventional emulsion polymerizations due to
The lotion of the drawbacks of emulsifier dissociates and causes adverse effect to final emulsion property, preparation have self-emulsifying ability, stability
Well, gel fraction is low, average grain diameter is small, and drying time is short, and the hydrophilic radical on modification acrylate surface is less, with its preparation
Coating has water resistance, and adhesive force can reach 1 grade, shock resistance and excellent water resistance, and environmental-friendly；
By formula measure modified silicasol, modified acrylate emulsion, talcum powder, sharp type titanium dioxide, wollastonite in powder, White Carbon black,
Bamboo fibre powder, conch meal, wetting agent, film forming agent, dispersing agent, defoaming agent, thickener, water are uniformly mixed, and are then ground 2-3 times,
Filtering, the barrelling that discharges is to get coating.Preparation method of the present invention is simple with working condition, significant loss is few a little, prepares
Without using hydroxyethyl cellulose in journey, only adding a small amount of association thickener can make system viscosity reach appropriate value, have
In excellent, low-shear viscosity, viscosity stable storing is good, moreover it is possible to which playing reduces cost, do not reduce glossiness, improve finished product
The effect of water resistance and levelability.
Compared with prior art, the invention has the benefit that 1) formulation for coating material of the present invention is simple, have natural environmental-protective,
Radiation protection, fungus-resistant, ventilative moisture absorption, dirt-resistant function, it is dry after painting membrane stability it is good, do not crack, adhesive force is good, anti-
Impact property can adsorb the toxic gas that finishing generates and the moisture stored within the walls, eliminate peculiar smell and adjusting air humidity, and
With extremely strong antibacterial and sterilizing function；2) arranged regular, film forming densification, hardness are higher after paint coatings dry film of the present invention, ash
The dirts such as dirt, greasy dirt are not easy to infiltrate into coating, and aspect is arranged, moreover it is possible to prevent the invasion of moisture；2) preparation method tool of the present invention
Have the advantages that working condition is simple, significant loss is few, without using hydroxyethyl cellulose, the only a small amount of association of addition in preparation process
Type thickener can make system viscosity reach appropriate value, have in excellent, low-shear viscosity, and viscosity stable storing is good, also
It can play the role of the water resistance and levelability for reducing cost, not reducing glossiness, improving finished product.
Specific embodiment
The present invention program is described further below by embodiment:
Embodiment 1:
A kind of Environment-friendlyinternal internal wall paint, including following ingredient and its parts by weight: 11 parts of modified silicasol, modified acrylate emulsion
47 parts, 3 parts of talcum powder, 5 parts of sharp type titanium dioxide, 5 parts of wollastonite in powder, 2.5 parts of White Carbon black, 7.2 parts of bamboo fibre powder, 8 parts of conch meal,
0.06 part of wetting agent, 0.13 part of film forming agent, 0.15 part of dispersing agent, 0.1 part of defoaming agent, 0.5 part of thickener, 12 parts of water；Modified silicon
Colloidal sol is through the modified obtained water silica sol of silane coupling agent, dimethyl carbonate and equal amido phenenyl acid；Thickener is poly- ammonia
Esters association type.The formulation for coating material is simple, has the function of natural environmental-protective, radiation protection, fungus-resistant, ventilative moisture absorption, dirt-resistant,
Painting membrane stability after drying is good, do not crack, adhesive force is good, shock resistance, after coating dry film arranged regular, film forming it is fine and close,
Hardness is higher, and the dirts such as dust, greasy dirt are not easy to infiltrate into coating, and aspect is arranged, moreover it is possible to which the invasion for preventing moisture additionally may be used
To adsorb the moisture fitting up the toxic gas generated and storing within the walls, peculiar smell and adjusting air humidity are eliminated, and have extremely strong
Antibacterial and sterilizing function.
Above-mentioned modified silicasol the preparation method comprises the following steps: in the ratio of solid content 1:0.9(wt/wt) by silane coupling agent KH-
560 aqueous solutions are added into water silica sol, add dimethyl carbonate and equal amido phenenyl acid, 5h are reacted at 70 DEG C, i.e.,
Modified silicasol is obtained, it is spare.The additive amount of dimethyl carbonate is the 0.68% of silane coupling agent KH-560, equal amido phenenyl acid
Additive amount is the 0.046% of silane coupling agent KH-560.Dimethyl carbonate and equal amido phenenyl acid can be 62-70 in temperature
Hydroxyl can be promoted to SiO in the range of DEG C2Particle surface migration, increases charge density, so that SiO2And SiO2Electrostatic interparticle
Repulsion accounts for leading, does not easily lead to particle encounter and is gelled, thus SiO in silica solution can be improved2It is uniformly dispersed in the reaction system
Property, increase SiO in silane group and silica solution2Touch opportunity, improve the modified effect of silica solution, and can remove it is extra
Silane coupling agent avoids extra silane coupling agent from causing SiO in modified silicasol2The cohesion of particle improves modified silicasol
Stability, and then improve coating stability, and dimethyl carbonate and equal amido phenenyl acid can promote with reaction live
Property base organosiloxane can react with the hydroxyl in silicate substrate, increase film adhesive force on base material.The step
Suddenly silica solution is modified with silane coupling agent, SiO in the silane group and silica solution after hydrolyzing silane coupling agent2Surface
Silicone hydroxyl polycondensation form chemical bond, can make preferably to combine between organic phase and inorganic phase, increase the hydrophobicity of silica solution, it is real
Now it is evenly dispersed in the preparation step of coating, keeps the stable homogeneous of coating, improves the anti-stain characteristic of coating, breathes freely
Property and ageing-resistant performance.
A kind of preparation method of Environment-friendlyinternal internal wall paint, specifically comprises the following steps:
1) methyl methacrylate, butyl acrylate, acrylic acid, vinyltriethoxysilane are taken, mixing list is uniformly mixed to obtain
Body, it is spare, methyl methacrylate in above-mentioned mix monomer, butyl acrylate, acrylic acid, vinyltriethoxysilane weight
Amount is than being 1:1.12:0.7:5.1；
2) by deionized water, the 22wt% mix monomer of mix monomer gross mass, ammonium persulfate gross mass 40wt% ammonium persulfate
It is added in reaction kettle with emulsifier, in logical N2, under 650r/min stirring then be warming up to 88 DEG C to fully emulsified, constant temperature to cream
Liquid drips remaining ammonium persulfate and mix monomer after becoming basket in 115min, and keeps the temperature 50min, is cooled to room temperature, finally uses
The ammonium hydroxide that concentration is 12% adjusts pH to 8 to get modified acrylate emulsion, and spare, above-mentioned ammonium persulfate dosage is mix monomer
The 0.4% of weight, emulsifier are the 0.8% of mix monomer weight, and emulsifier is the allyl that weight ratio is 1:1.2:0.08
Propylsultaine succinic acid dibasic acid esters sodium salt, allyl octyl phenol polyoxyethylene ether and sucrose fatty ester.Mentioned emulsifier can be
The interfacial film that two-phase interface is formed can protect organosiloxane to be not easy hydrolyzed and polycondensation so that emulsion polymerization can be just
It often carries out, reduction gel fraction is low and becomes the blue time, improves the degree of polymerization and rate of polymerization of polymer particle, and make to be made and emulsify cream
The stability of liquid is preferable, while the reasonable combination of the emulsifier can prevent extra initiator from playing electrolyte in lotion water phase
And increase the concentration of water phase electrolyte in lotion, the repulsive force between the polymer particle in emulsification lotion is maintained, avoids increasing cream
Change the average grain diameter of polymer particle in lotion, the permeability of enhancing emulsification lotion, the drying time for reducing emulsification lotion improve
The adhesive force and shock resistance of coating after drying, the step emulsifier contain unsaturated double-bond, when being added in emulsion system
After initiator ammonium persulfate, emulsifier will be formed altogether with macromolecular chain in acrylate particle surface under the action of initiator
Covalent bond overcomes conventional emulsion polymerizations and causes in the process to final emulsion property dysgenic since emulsifier is free
Drawback, the lotion of preparation have that self-emulsifying ability, stability is good, gel fraction is low, average grain diameter is small, and drying time is short, and modified
The hydrophilic radical of acrylate surface is less, has water resistance with the coating of its preparation, and adhesive force can reach 1 grade, shock resistance and
Excellent water resistance, and it is environmental-friendly；
3) modified silicasol, modified acrylate emulsion, talcum powder, sharp type titanium dioxide, wollastonite in powder, white carbon are measured by formula
Black, bamboo fibre powder, conch meal, wetting agent, film forming agent, dispersing agent, defoaming agent, thickener, water are uniformly mixed, then grind 3
Time, filtering, the barrelling that discharges is to get coating.Preparation method of the present invention is simple with working condition, significant loss is few a little, system
Without using hydroxyethyl cellulose during standby, only adding a small amount of association thickener can make system viscosity reach appropriate value,
Have in excellent, low-shear viscosity, viscosity stable storing is good, moreover it is possible to play reduce cost, do not reduce glossiness, improve at
The water resistance of product and the effect of levelability.
Embodiment 2:
A kind of Environment-friendlyinternal internal wall paint, including following ingredient and its parts by weight: 8 parts of modified silicasol, modified acrylate emulsion
39 parts, 2.5 parts of talcum powder, 4 parts of sharp type titanium dioxide, 4 parts of wollastonite in powder, 2.2 parts of White Carbon black, 5 parts of bamboo fibre powder, conch meal 6.5
Part, 0.054 part of wetting agent, 0.11 part of film forming agent, 0.13 part of dispersing agent, 0.06 part of defoaming agent, 0.33 part of thickener, 9 parts of water；Increase
Thick dose is acrylic compounds alkali thickening association type.
Above-mentioned modified silicasol the preparation method comprises the following steps: in the ratio of solid content 1:0.85(wt/wt) by silane coupling agent KH-
560 aqueous solutions are added into water silica sol, add dimethyl carbonate and equal amido phenenyl acid, 4h are reacted at 66 DEG C, i.e.,
Modified silicasol is obtained, it is spare.The additive amount of dimethyl carbonate is the 0.65% of silane coupling agent KH-560, equal amido phenenyl acid
Additive amount is the 0.044% of silane coupling agent KH-560.
A kind of preparation method of Environment-friendlyinternal internal wall paint, specifically comprises the following steps:
1) methyl methacrylate, butyl acrylate, acrylic acid, vinyltriethoxysilane are taken, mixing list is uniformly mixed to obtain
Body, it is spare, methyl methacrylate in above-mentioned mix monomer, butyl acrylate, acrylic acid, vinyltriethoxysilane weight
Amount is than being 1:1.08:0.65:4.9；
2) by deionized water, the 20wt% mix monomer of mix monomer gross mass, ammonium persulfate gross mass 35wt% ammonium persulfate
It is added in reaction kettle with emulsifier, in logical N2, under 600r/min stirring then be warming up to 82 DEG C to fully emulsified, constant temperature to cream
Liquid drips remaining ammonium persulfate and mix monomer after becoming basket in 110min, and keeps the temperature 45min, is cooled to room temperature, finally uses
The ammonium hydroxide that concentration is 10% adjusts pH to 7.5 to get modified acrylate emulsion, and spare, above-mentioned ammonium persulfate dosage is that mixing is single
The 0.3% of body weight, emulsifier are the 0.7% of mix monomer weight, and emulsifier is the alkene that weight ratio is 1:1.15:0.075
Propyl propylsultaine succinic acid dibasic acid esters sodium salt, allyl octyl phenol polyoxyethylene ether and sucrose fatty ester；
3) modified silicasol, modified acrylate emulsion, talcum powder, sharp type titanium dioxide, wollastonite in powder, white carbon are measured by formula
Black, bamboo fibre powder, conch meal, wetting agent, film forming agent, dispersing agent, defoaming agent, thickener, water are uniformly mixed, then grind 3
Time, filtering, the barrelling that discharges is to get coating.
Embodiment 3:
A kind of Environment-friendlyinternal internal wall paint, including following ingredient and its parts by weight: 6 parts of modified silicasol, modified acrylate emulsion
30 parts, 2 parts of talcum powder, 3 parts of sharp type titanium dioxide, 3 parts of wollastonite in powder, 1.8 parts of White Carbon black, 4.8 parts of bamboo fibre powder, 5 parts of conch meal,
0.05 part of wetting agent, 0.08 part of film forming agent, 0.1 part of dispersing agent, 0.02 part of defoaming agent, 0.1 part of thickener, 7 parts of water；Thickener is
Hydrophobically-modified alkali is swollen association type.
Above-mentioned modified silicasol the preparation method comprises the following steps: in the ratio of solid content 1:0.8(wt/wt) by silane coupling agent KH-
560 aqueous solutions are added into water silica sol, add dimethyl carbonate and equal amido phenenyl acid, 3h are reacted at 62 DEG C, i.e.,
Modified silicasol is obtained, it is spare.The additive amount of dimethyl carbonate is the 0.62% of silane coupling agent KH-560, equal amido phenenyl acid
Additive amount is the 0.042% of silane coupling agent KH-560.
A kind of preparation method of Environment-friendlyinternal internal wall paint, specifically comprises the following steps:
1) methyl methacrylate, butyl acrylate, acrylic acid, vinyltriethoxysilane are taken, mixing list is uniformly mixed to obtain
Body, it is spare, methyl methacrylate in above-mentioned mix monomer, butyl acrylate, acrylic acid, vinyltriethoxysilane weight
Amount is than being 1:1.05:0.6:4.7；
2) by deionized water, the 18wt% mix monomer of mix monomer gross mass, ammonium persulfate gross mass 30wt% ammonium persulfate
It is added in reaction kettle with emulsifier, in logical N2, under 550r/min stirring then be warming up to 78 DEG C to fully emulsified, constant temperature to cream
Liquid drips remaining ammonium persulfate and mix monomer after becoming basket in 100min, and keeps the temperature 40min, is cooled to room temperature, finally uses
The ammonium hydroxide that concentration is 8% adjusts pH to 7 to get modified acrylate emulsion, and spare, above-mentioned ammonium persulfate dosage is mix monomer
The 0.2% of weight, emulsifier are the 0.6% of mix monomer weight, and emulsifier is the allyl that weight ratio is 1:1.1:0.07
Propylsultaine succinic acid dibasic acid esters sodium salt, allyl octyl phenol polyoxyethylene ether and sucrose fatty ester；
3) modified silicasol, modified acrylate emulsion, talcum powder, sharp type titanium dioxide, wollastonite in powder, white carbon are measured by formula
Black, bamboo fibre powder, conch meal, wetting agent, film forming agent, dispersing agent, defoaming agent, thickener, water are uniformly mixed, then grind 2
Time, filtering, the barrelling that discharges is to get coating.
Comparative example 1:
A kind of Environment-friendlyinternal internal wall paint is not added with dimethyl carbonate and equal amido phenenyl acid in the preparation step of modified silicasol,
Remaining and embodiment 2 are completely the same.
The preparation method and embodiment 2 of a kind of Environment-friendlyinternal internal wall paint are completely the same.
Comparative example 2:
The preparation method and embodiment 2 of a kind of Environment-friendlyinternal internal wall paint, formula and modified silicasol are completely the same.
A kind of preparation method of Environment-friendlyinternal internal wall paint, preparation are allyl propylsultaine succinic acid diesteras with emulsifier
The mixture of salt, allyl octyl phenol polyoxyethylene ether, remaining and embodiment 2 are completely the same.
Coating property detection:
2 coating of embodiment is set as test group, comparative example 1, comparative example 2 and common commercial coating are set as control group, carry out as follows
Test:
The appearance of coating: referring to GB/T 20623-2006,10mL coating is measured in beaker, under magnetic stirring, observes lotion
Flow regime, mode of appearance, test result is as shown in table 1；
Adhesive force test: referring to GB/T 1720-89, coating is applied on tinplate, is prepared into film, same sample by standard
Plate prepares 3 pieces, moves it into baking oven, and dry 5h at 50 DEG C, then the dry 2h at 110 DEG C, is cooled to room temperature, in constant temperature perseverance
QFZ type lacquered film adhesion test instrument measures under conditions of wet, and test result is as shown in table 1；
Anti-microbial property test: in culture dish, using filter paper as substrate, on filter paper respectively film potato culture (A group),
Potato culture+plus coating (B group), is placed in that temperature is 25-30 DEG C, relative humidity is in the constant incubator of 60-90%,
Its variation is observed after culture 20d, the results are shown in Table 1；
Self-cleaning-test: it is referring to GB/T 9780-2005, graphite powder and soil is finely ground, pollution sources are served as, are poured into glass guide channel,
A small amount of water is added, is prepared into suspension, coating is applied on glass plate, is prepared into film by standard, upper, middle and lower three
The initial reflection coefficient of coating, takes its average value to be denoted as A, then downward by film coated surface, level is put into after position finding maintenance
It is taken out after impregnating 5s in pollutant suspension, places 2h at room temperature, then use distilled water flushing film sample, rinse 1min,
It places and dries for 24 hours at room temperature, be denoted as a circulation, according to the above method continuous circulation five times, in the upper, middle and lower of coating test plate (panel)
Three position finding reflection coefficients, and be averaged and be denoted as B, the self-cleaning performance of coating is calculated as follows: coating reflection coefficient
Rate of descent X(%)=(A-B)/B × 100%, test result is as shown in table 1.
1 coating property testing result of table
By
Table 1 is it is found that 2 coating of the embodiment of the present invention has excellent table in terms of appearance, adhesive force, anti-microbial property, self-cleaning performance
Existing, comprehensive performance is better than common city coating, and the modified silicasol it can be seen from embodiment 2 and comparative example 1, comparative example 2 at present
Preparation step in the addition of dimethyl carbonate and equal amido phenenyl acid can be improved the light transmittance and stable and uniform of coating, increase
Add film adhesive force on base material；Preparation emulsification lotion is allyl propylsultaine succinic acid dibasic acid esters sodium salt, alkene with emulsifier
When the mixture of propyl octyl phenol polyethenoxy ether and sucrose fatty ester, the adhesive force of coating is higher.
Routine operation in operating procedure of the invention is well known to those skilled in the art, herein without repeating.
Technical solution of the present invention is described in detail in embodiment described above, it should be understood that the above is only
For specific embodiments of the present invention, it is not intended to restrict the invention, all any modifications made in spirit of the invention,
Supplement or similar fashion substitution etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of Environment-friendlyinternal internal wall paint, it is characterised in that: including following ingredient and its parts by weight: 6-11 parts of modified silicasol,
30-47 parts of modified acrylate emulsion, 2-3 parts of talcum powder, 3-5 parts of sharp type titanium dioxide, 3-5 parts of wollastonite in powder, White Carbon black 1.8-
2.5 parts, 4.8-7.2 parts of bamboo fibre powder, 5-8 parts of conch meal, 0.05-0.06 parts of wetting agent, 0.08-0.13 parts of film forming agent, dispersion
0.1-0.15 parts of agent, 0.02-0.1 parts of defoaming agent, 0.1-0.5 parts of thickener, 7-12 parts of water；The modified silicasol is through KH-
560, dimethyl carbonate and the modified obtained water silica sol of equal amido phenenyl acid.
2. a kind of Environment-friendlyinternal internal wall paint according to claim 1, it is characterised in that: the preparation side of the modified silicasol
Method are as follows: KH-560 aqueous solution is added into water silica sol in the ratio of solid content 1:0.8-0.9(wt/wt), adds carbon
Dimethyl phthalate and equal amido phenenyl acid react 3-5h at 62-70 DEG C to get modified silicasol.
3. a kind of Environment-friendlyinternal internal wall paint according to claim 2, it is characterised in that: the additive amount of the dimethyl carbonate
For the 0.62-0.68% of KH-560, the additive amount of equal amido phenenyl acid is the 0.042-0.046% of KH-560.
4. a kind of Environment-friendlyinternal internal wall paint according to claim 1, it is characterised in that: the thickener is selected from hydrophobically modified
Alkali soluble is swollen association type, acrylic compounds alkali thickening are formed and type or polyurethanes association type.
5. a kind of preparation method of Environment-friendlyinternal internal wall paint, it is characterised in that: the preparation method specifically comprises the following steps:
1) methyl methacrylate, butyl acrylate, acrylic acid, vinyltriethoxysilane are taken, mixing list is uniformly mixed to obtain
Body, it is spare；
2) by deionized water, the mix monomer of the 18-22wt% of mix monomer gross mass, ammonium persulfate gross mass 30-40wt%
Ammonium persulfate and emulsifier are added in reaction kettle, in logical N2Lower stirring is to fully emulsified, then is warming up to 78-88 DEG C, and constant temperature is extremely
Lotion drips remaining ammonium persulfate and mix monomer after becoming basket, and keeps the temperature, and is cooled to room temperature, and adjusts pH to get modified propylene
Acid esters lotion, it is spare；
3) modified silicasol, modified acrylate emulsion, talcum powder, sharp type titanium dioxide, wollastonite in powder, white carbon are measured by formula
Black, bamboo fibre powder, conch meal, wetting agent, film forming agent, dispersing agent, defoaming agent, thickener, water are uniformly mixed, then grind, mistake
Filter, the barrelling that discharges is to get coating.
6. a kind of preparation method of Environment-friendlyinternal internal wall paint according to claim 5, it is characterised in that: in the step 1
Methyl methacrylate, butyl acrylate, acrylic acid, vinyltriethoxysilane weight ratio be 1:1.05-1.12:0.6-
0.7:4.7-5.1。
7. a kind of preparation method of Environment-friendlyinternal internal wall paint according to claim 5, it is characterised in that: in the step 2
Ammonium persulfate dosage is the 0.2-0.4% of mix monomer weight, and the emulsifier is the 0.6-0.8% of mix monomer weight.
8. a kind of preparation method of Environment-friendlyinternal internal wall paint according to claim 5, it is characterised in that: in the step 2
Emulsifier be weight ratio be 1:1.1-1.2:0.07-0.08 allyl propylsultaine succinic acid dibasic acid esters sodium salt, allyl octyl
Phenol polyethenoxy ether and sucrose fatty ester.
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