CN109082184A - A kind of elastic emulsion paint of high adhesion force - Google Patents
A kind of elastic emulsion paint of high adhesion force Download PDFInfo
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- CN109082184A CN109082184A CN201810821655.3A CN201810821655A CN109082184A CN 109082184 A CN109082184 A CN 109082184A CN 201810821655 A CN201810821655 A CN 201810821655A CN 109082184 A CN109082184 A CN 109082184A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—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
- C09D5/1687—Use of special additives
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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
- C09D7/43—Thickening agents
- C09D7/44—Combinations of two or more thickening agents
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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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08L2205/03—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 relates to technical field of coatings, and in particular to a kind of elastic emulsion paint of high adhesion force.The component of emulsion paint includes: pure-acrylic emulsion, styrene-acrylic emulsion, inorganic filler, composite tackifier, polytetrafluoroethylene (PTFE)-polyurethane copolymer, polyacrylamide, nano-titanium dioxide, preservative, defoaming agent, levelling agent and deionized water.Wherein, composite tackifier is a kind of by the compound special composition being prepared of the substances such as mucopolysaccharide, modified cellulose and converted starch；Inorganic filler is the mixture of titanium dioxide, talcum powder and precipitated calcium carbonate；Preservative is 1,2- benzisothiazole-3-ketone, methylisothiazolinone or 5-Chloro-2-methyl-4-isothiazolin-3-one；The adhesive force of the type emulsion paint is high, is easily dried solidification, elasticity is good, intensity is high, wash-resistant property is outstanding for the film layer of formation.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of elastic emulsion paint of high adhesion force.
Background technique
Emulsion paint (Emulsion Paint.) is also known as synthetic resin emulsion coating, is one kind of organic coating, is to close
It is the waterborne coating that pigment is added in base-material, filler and various auxiliary agents are formulated at resin emulsion.According to raw materials for production
Difference, emulsion paint mainly have the kinds such as Polyvinyl acetate latex paint, vinyl acetate-acrylic latex paint, pure acrylic acid emulsion paint, styrene-acrylic latex coating.
According to the difference of product suitable environment, it is divided into interiro wall latex paint and two kinds of exterior wall latex paint.Again may be used according to the luster effect of decoration
It is divided into unglazed, dumb light, semi-gloss, mercerising and there are the types such as light.Emulsion paint has many merits different from traditional metope coating,
Such as it is easy to brush, is dry rapid.
The good weatherability of traditional emulsion paint, anti-aging property is prominent, is easy to brush.But it is used as inner wall decorative coating
When, if coating uses in wet condition for a long time, film layer is easy water suction, is deteriorated so as to cause the adhesive force of film layer, finally makes
Film forming layer cracks or falls off；In addition, the difference of different film material thermal expansion and contraction degrees can also cause under high temperature and low temperature environment
The structural stability of film layer declines, and reduces the adhesive force effect of film layer, the final protective for influencing the film layer that emulsion paint is formed
Energy and service life.
Therefore the elastic property and adhesive force intensity of emulsion paint how are improved, so that the weather resistance of emulsion paint and examination use
Service life extends, and avoiding latex lacquer coat that explosion occurs under high temperature difference catastrophe becomes an important topic.Number of patent application
CN201110147247.2 provides a kind of preparation method of nanometer silica sol modified exterior wall emulsion paint, in the type latex raw materials for varnish
It is added to a kind of special Nano silica sol component, so that the elastic property of emulsion paint enhances, to improve coating to height
The tolerance of low temperature environment.But the adhesive force of the emulsion paint of the technical solution is still insufficient, it is attached that high and low temperature environment will affect its
Put forth effort intensity, and may cause film layer bulge or fall off.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of elastic emulsion paint of high adhesion force, type creams
The adhesive force of shellac varnish is high, is easily dried solidification, elasticity is good, intensity is high, wash-resistant property is outstanding for the film layer of formation.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of elastic emulsion paint of high adhesion force, according to mass fraction, the component of emulsion paint includes: pure-acrylic emulsion 85-100
Part, 15-20 parts of styrene-acrylic emulsion, 70-80 parts of inorganic filler, 5-8 parts of composite tackifier, polytetrafluoroethylene (PTFE)-polyurethane copolymer 4-7
Part, 1-2.5 parts of polyacrylamide, 1-1.6 parts of nano-titanium dioxide, 0.2-0.7 parts of preservative, 0.2-0.4 parts of defoaming agent, levelling
0.1-0.3 parts of agent, 20-25 parts of deionized water.
Preferably, according to mass fraction, the component of emulsion paint includes: 90-95 parts of pure-acrylic emulsion, and 16-18 parts of styrene-acrylic emulsion,
74-78 parts of inorganic filler, 6-7 parts of composite tackifier, polytetrafluoroethylene (PTFE) -5-6 parts of polyurethane copolymer, polyacrylamide 1.8-
2.3 parts, 1.2-1.5 parts of nano-titanium dioxide, 0.4-0.6 parts of preservative, 0.2-0.3 parts of defoaming agent, 0.1-0.2 parts of levelling agent,
22-24 parts of deionized water.
It is further preferred that according to mass fraction, the component of emulsion paint includes: 94 parts of pure-acrylic emulsion, 17 parts of styrene-acrylic emulsion,
76 parts of inorganic filler, 7 parts of composite tackifier, 5.5 parts of polytetrafluoroethylene (PTFE)-polyurethane copolymer, 2.1 parts of polyacrylamide, nanometer
1.4 parts of titanium dioxide, 0.5 part of preservative, 0.3 part of defoaming agent, 0.2 part of levelling agent, 23 parts of deionized water.
In the present invention, the preparation method of composite tackifier includes the following steps:
(1) according to mass fraction, the sodium hydroxide solution of 90 parts of 15wt% is added in reaction kettle, by 50 parts of lignin
It is added to uniform stirring in solution, and dispersion liquid is heated to 45-48 DEG C, then by 6.4 parts of hydroquinones and 3.6 parts of tert-butyls
Catechol is added in reaction kettle, is continued to be stirring evenly and then adding into 10 part 25% of formalin, be heated in reaction kettle
Temperature is added to 65-70 DEG C, then by 2.4 parts of tannic acids, and after mixing evenly, it is 180- that material in reactor, which is cooked into viscosity,
The mixture A of 200cp, it is spare；
(2) 100 parts of biological starch are added in 160 parts of deionized waters, stir evenly, 2 is then added into dispersion liquid
The potency of part phosphate buffer containing mesophilicα-diastase, the mesophilicα-diastase in buffer is 10000U/g, will be dispersed
The temperature of liquid is increased to 65-70 DEG C, keeps the temperature enzyme digestion reaction 2-3h then from hydrochloric acid is added into enzymolysis liquid and adjusts enzymolysis liquid
PH value adds 30 parts of calcium gluconates and 7 parts of magnesium carbonate, adjusts dispersion liquid with sodium hydroxide after being uniformly dispersed to 4-4.3
PH value is 5.3-5.5, will be filtered after dispersion liquid activated carbon adsorption, and filtrate is obtained, and filtrate passes through 100-110 DEG C of spray drying
Micro mist B is obtained after processing；
(3) 200 parts of deionized waters are added into reaction kettle, is heated to 55-60 DEG C, is then added to 80 parts of micro mist B instead
It answers in kettle；By 6.8 parts of polyethylene glycol, 3.7 parts of diethylene glycol butyl ethers and 12.5 parts of alkenyl succinic anhydrides are added to 30 parts of isopropanols
It sufficiently dissolves in solvent, during solution is added in reaction kettle, under nitrogen atmosphere protection, is reacted with 95-100 DEG C of temperature
40-60min will filter after product activated carbon adsorption after reaction, micro mist C obtained after being then spray-dried filtrate；
(4) it by 75 parts of micro mist C, 30 parts of mucopolysaccharides, 13 parts of propylene oxide and 4 parts of vinyl sulfonic acids, is added in reaction kettle,
500 parts of deionized waters are added, 8-10min is stirred with 30-35 DEG C of temperature, 25 parts of mixture A are added in reaction kettle,
Even stirring is completely dispersed to mixture A, is continued heating reaction 1.5-2h, is finally dried product simultaneously with 100-105 DEG C of temperature
It crushes, obtains required composite tackifier.
Wherein, the biological starch in step (2) is selected in tapioca, cornstarch, potato starch and glutinous rice starch
One kind.
Mucopolysaccharide in step (4) selects guar gum or xanthan gum.
Preferably, inorganic filler is the mixing that titanium dioxide, talcum powder and precipitated calcium carbonate are mixed according to the mass ratio of 5:3:1
Object.
Preferably, preservative selects 1,2- benzisothiazole-3-ketone, methylisothiazolinone, 5- chloro-2-methyl -4- different
One of thiazoline -3- ketone.
Preferably, defoaming agent is organic silicon defoamer；Levelling agent is silicone polyether acrylate analog copolymer or poly- silicon
Oxygen alkane-copolyether.
Emulsion paint provided by the invention the preparation method comprises the following steps: according to mass fraction, by tackifier and the poly- ammonia of polytetrafluoroethylene (PTFE)-
Ester copolymer is added in the mixture of pure-acrylic emulsion and styrene-acrylic emulsion, with 65-75 DEG C of temperature and 800- in Scattered Kettle
The revolving speed of 850r/min disperses 5-8min, deionized water is then heated to 50-55 DEG C, preservative, polyacrylamide and defoaming
Agent is add to deionized water dissolution, and solution is added in Scattered Kettle, mixes with lotion and with the revolving speed of 600-700r/min point
3-5min is dissipated, then inorganic filler, nano-titanium dioxide and levelling agent are added sequentially in Scattered Kettle, with 75-80 DEG C of temperature
The revolving speed of degree and 700-850r/min disperse 15-20min, are cooled to room temperature product after dispersion, sealed package, obtain institute
Need emulsion paint.
The present invention have it is following the utility model has the advantages that
Using the mixture of pure-acrylic emulsion and styrene-acrylic emulsion as emulsion system in the type emulsion paint, emulsion paint ensure that
While the performances such as water-fast, anti-aging, corrosion-resistant, the cost of lotion is suitably reduced.Wherein polytetrafluoroethylene (PTFE)-polyurethane copolymerization
The addition of object can also enhance the antiplaque and anti-pollution characteristic of emulsion paint, and make film while improving the elastic property of coating
The water resistance and wash-resistant property of layer are enhanced, and film layer is avoided to take off in wet condition because of film layer structure strength reduction
It falls.
Composite tackifier in lotion be it is a kind of by the compound preparation of the substances such as mucopolysaccharide, modified cellulose and converted starch and
At special composition；The substance has good Efficient Adhesive Promotion, the viscosity and adhesive force intensity of lotion can be improved, and should
Type composition also has by good compatibility and dispersibility, and cohesion will not occur in emulsion system or self-adhesion generates " pimple
Group ", this makes the more uniform stabilization of the property of emulsion paint；Film-formation result is more outstanding.
Polyacrylamide uses in emulsion paint as wetting dispersing agent, and nano-titanium dioxide can play antibacterial, antifouling
Performance；Both components can generate synergistic effect together with function additives such as defoaming agent, levelling agent, preservatives, improve latex
Dispersion effect, brushing performance, dry solidification effect and the storage life of paint.
Specific embodiment
Below with reference to embodiment, further description of the specific embodiments of the present invention, and following embodiment is only used for more
Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
In following embodiment, the preparation method of composite tackifier includes the following steps:
(1) according to mass fraction, the sodium hydroxide solution of 90 parts of 15wt% is added in reaction kettle, by 50 parts of lignin
It is added to uniform stirring in solution, and dispersion liquid is heated to 47 DEG C, then by 6.4 parts of hydroquinones and 3.6 parts of tert-butyl os
Benzenediol is added in reaction kettle, is continued to be stirring evenly and then adding into 10 part 25% of formalin, is heated the temperature in reaction kettle
Degree is added to 68 DEG C, then by 2.4 parts of tannic acids, after mixing evenly, material in reactor is cooked to the mixture for being 190cp at viscosity
A, it is spare；
(2) 100 parts of biological starch are added in 160 parts of deionized waters, stir evenly, 2 is then added into dispersion liquid
The potency of part phosphate buffer containing mesophilicα-diastase, the mesophilicα-diastase in buffer is 10000U/g, will be dispersed
The temperature of liquid is increased to 67 DEG C, keeps the temperature enzyme digestion reaction 2.5h then from hydrochloric acid is added into enzymolysis liquid and adjusts the pH value of enzymolysis liquid
To 4.2,30 parts of calcium gluconates and 7 parts of magnesium carbonate are added, are with the pH value that sodium hydroxide adjusts dispersion liquid after being uniformly dispersed
5.4, it will be filtered after dispersion liquid activated carbon adsorption, obtain filtrate, filtrate obtains micro mist after 105 DEG C of spray drying treatment
B；
(3) 200 parts of deionized waters are added into reaction kettle, is heated to 57 DEG C, 80 parts of micro mist B is then added to reaction kettle
In；By 6.8 parts of polyethylene glycol, 3.7 parts of diethylene glycol butyl ethers and 12.5 parts of alkenyl succinic anhydrides are added to 30 parts of isopropanol solvents
In sufficiently dissolve, during solution is added in reaction kettle, under nitrogen atmosphere protection, 50min is reacted with 98 DEG C of temperature, instead
After answering, it will be filtered after product activated carbon adsorption, micro mist C obtained after being then spray-dried filtrate；
(4) it by 75 parts of micro mist C, 30 parts of mucopolysaccharides, 13 parts of propylene oxide and 4 parts of vinyl sulfonic acids, is added in reaction kettle,
500 parts of deionized waters are added, 9min is stirred with 33 DEG C of temperature, 25 parts of mixture A are added in reaction kettle, uniform stirring
It is completely dispersed to mixture A, continues heating reaction 1.7h, finally product is dried and crushed with 103 DEG C of temperature, needed for obtaining
Composite tackifier.
Wherein, the biological starch in step (2) selects tapioca.
Mucopolysaccharide in step (4) selects xanthan gum.
Embodiment 1
A kind of elastic emulsion paint of high adhesion force, according to mass fraction, the component of emulsion paint includes: 85 parts of pure-acrylic emulsion,
15 parts of styrene-acrylic emulsion, 70 parts of inorganic filler, 5 parts of composite tackifier, 4 parts of polytetrafluoroethylene (PTFE)-polyurethane copolymer, polyacrylamide
1 part, 1 part of nano-titanium dioxide, 0.2 part of preservative, 0.2 part of defoaming agent, 0.1 part of levelling agent, 20 parts of deionized water.
Wherein, inorganic filler is the mixing that titanium dioxide, talcum powder and precipitated calcium carbonate are mixed according to the mass ratio of 5:3:1
Object.
Preservative selects 1,2- benzisothiazole-3-ketone.
Defoaming agent is organic silicon defoamer；Levelling agent is silicone polyether acrylate analog copolymer.
Emulsion paint provided in this embodiment the preparation method comprises the following steps: according to mass fraction, tackifier and polytetrafluoroethylene (PTFE)-are poly-
Urethane copolymer is added in the mixture of pure-acrylic emulsion and styrene-acrylic emulsion, with 65 DEG C of temperature and 800r/min in Scattered Kettle
Revolving speed disperse 5min, deionized water is then heated to 50 DEG C, preservative, polyacrylamide and defoaming agent are added to deionization
It is dissolved in water, solution is added in Scattered Kettle, is mixed with lotion and is dispersed 3min with the revolving speed of 600r/min, then fills out inorganic
Material, nano-titanium dioxide and levelling agent are added sequentially in Scattered Kettle, with the dispersion of the revolving speed of 75 DEG C of temperature and 700r/min
Product is cooled to room temperature by 15min after dispersion, sealed package, obtains required emulsion paint.
Embodiment 2
A kind of elastic emulsion paint of high adhesion force, according to mass fraction, the component of emulsion paint includes: 100 parts of pure-acrylic emulsion,
20 parts of styrene-acrylic emulsion, 80 parts of inorganic filler, 8 parts of composite tackifier, 7 parts of polytetrafluoroethylene (PTFE)-polyurethane copolymer, polyacrylamide
2.5 parts, 1.6 parts of nano-titanium dioxide, 0.7 part of preservative, 0.4 part of defoaming agent, 0.3 part of levelling agent, 25 parts of deionized water.
Wherein, inorganic filler is the mixing that titanium dioxide, talcum powder and precipitated calcium carbonate are mixed according to the mass ratio of 5:3:1
Object.
Preservative selects methylisothiazolinone.
Defoaming agent is organic silicon defoamer；Levelling agent is polysiloxane-polyether copolymer.
Emulsion paint provided in this embodiment the preparation method comprises the following steps: according to mass fraction, tackifier and polytetrafluoroethylene (PTFE)-are poly-
Urethane copolymer is added in the mixture of pure-acrylic emulsion and styrene-acrylic emulsion, with 75 DEG C of temperature and 850r/min in Scattered Kettle
Revolving speed disperse 8min, deionized water is then heated to 55 DEG C, preservative, polyacrylamide and defoaming agent are added to deionization
It is dissolved in water, solution is added in Scattered Kettle, is mixed with lotion and is dispersed 5min with the revolving speed of 700r/min, then fills out inorganic
Material, nano-titanium dioxide and levelling agent are added sequentially in Scattered Kettle, with the dispersion of the revolving speed of 80 DEG C of temperature and 850r/min
Product is cooled to room temperature by 20min after dispersion, sealed package, obtains required emulsion paint.
Embodiment 3
A kind of elastic emulsion paint of high adhesion force, according to mass fraction, the component of emulsion paint includes: 94 parts of pure-acrylic emulsion,
17 parts of styrene-acrylic emulsion, 76 parts of inorganic filler, 7 parts of composite tackifier, 5.5 parts of polytetrafluoroethylene (PTFE)-polyurethane copolymer, polyacrylamide
2.1 parts of amine, 1.4 parts of nano-titanium dioxide, 0.5 part of preservative, 0.3 part of defoaming agent, 0.2 part of levelling agent, 23 parts of deionized water.
Wherein, inorganic filler is the mixing that titanium dioxide, talcum powder and precipitated calcium carbonate are mixed according to the mass ratio of 5:3:1
Object.
Preservative selects 5-Chloro-2-methyl-4-isothiazolin-3-one.
Defoaming agent is organic silicon defoamer；Levelling agent is silicone polyether acrylate analog copolymer.
Emulsion paint provided in this embodiment the preparation method comprises the following steps: according to mass fraction, tackifier and polytetrafluoroethylene (PTFE)-are poly-
Urethane copolymer is added in the mixture of pure-acrylic emulsion and styrene-acrylic emulsion, with 70 DEG C of temperature and 830r/min in Scattered Kettle
Revolving speed disperse 7min, deionized water is then heated to 53 DEG C, preservative, polyacrylamide and defoaming agent are added to deionization
It is dissolved in water, solution is added in Scattered Kettle, is mixed with lotion and is dispersed 4min with the revolving speed of 650r/min, then fills out inorganic
Material, nano-titanium dioxide and levelling agent are added sequentially in Scattered Kettle, with the dispersion of the revolving speed of 77 DEG C of temperature and 800r/min
Product is cooled to room temperature by 17min after dispersion, sealed package, obtains required emulsion paint.
Performance test
According to the test method in concerned countries standard, the performance of the emulsion paint in the present embodiment is detected, meanwhile,
Be arranged Dongguan City Nai Gu building materials Co., Ltd sale " the happy scholar of Kashiwa " mould proof white latex paint of board ordor removing as a control group, progressive
Energy contrast test, obtains following test result.
Table 1: the performance test results of emulsion paint and control group in the present embodiment
The above experimental result discovery is analyzed, the drying time of emulsion paint provided by the invention shortens compared with the emulsion paint of control group
20% or more, the quick-drying performance of emulsion paint is more obvious, and the tack and adhesive force grade of emulsion paint of the invention are better than pair
According to group, it can be determined that the composite tackifier in the present invention really has the tack of emulsion paint and adhesive force intensity preferable
Castering action；Saline alkali tolerance test and freezing-thawing test the result shows that, the weatherability of emulsion paint of the invention is also better than control group,
It is resistance to do the wash number it is higher reacted the present invention in emulsion paint generate film layer intensity it is higher, hardness is more preferable.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of elastic emulsion paint of high adhesion force, which is characterized in that according to mass fraction, the component of the emulsion paint includes:
85-100 parts of pure-acrylic emulsion, 15-20 parts of styrene-acrylic emulsion, 70-80 parts of inorganic filler, 5-8 parts of composite tackifier, polytetrafluoroethylene (PTFE)-
4-7 parts of polyurethane copolymer, 1-2.5 parts of polyacrylamide, 1-1.6 parts of nano-titanium dioxide, 0.2-0.7 parts of preservative, defoaming
0.2-0.4 parts of agent, 0.1-0.3 parts of levelling agent, 20-25 parts of deionized water.
2. a kind of elastic emulsion paint of high adhesion force according to claim 1, it is characterised in that: according to mass fraction, institute
The component for stating emulsion paint includes: 90-95 parts of pure-acrylic emulsion, and 16-18 parts of styrene-acrylic emulsion, 74-78 parts of inorganic filler, composite tackifier
6-7 parts, polytetrafluoroethylene (PTFE) -5-6 parts of polyurethane copolymer, 1.8-2.3 parts of polyacrylamide, 1.2-1.5 parts of nano-titanium dioxide,
0.4-0.6 parts of preservative, 0.2-0.3 parts of defoaming agent, 0.1-0.2 parts of levelling agent, 22-24 parts of deionized water.
3. a kind of elastic emulsion paint of high adhesion force according to claim 1, it is characterised in that: according to mass fraction, institute
The component for stating emulsion paint includes: 94 parts of pure-acrylic emulsion, and 17 parts of styrene-acrylic emulsion, 76 parts of inorganic filler, 7 parts of composite tackifier, poly- four
5.5 parts of vinyl fluoride-polyurethane copolymer, 2.1 parts of polyacrylamide, 1.4 parts of nano-titanium dioxide, 0.5 part of preservative, defoaming agent
0.3 part, 0.2 part of levelling agent, 23 parts of deionized water.
4. a kind of elastic emulsion paint of high adhesion force according to claim 1, it is characterised in that: the composite tackifier
Preparation method includes the following steps:
(1) according to mass fraction, the sodium hydroxide solution of 90 parts of 15wt% is added in reaction kettle, 50 parts of lignin are added
The uniform stirring into solution, and dispersion liquid is heated to 45-48 DEG C, then by 6.4 parts of hydroquinones and 3.6 parts of tert-butyl o benzene
Diphenol is added in reaction kettle, continues to be stirring evenly and then adding into 10 part 25% of formalin, the temperature in heating reaction kettle is extremely
65-70 DEG C, then 2.4 parts of tannic acids are added, after mixing evenly, it is the mixed of 180-200cp that material in reactor, which is cooked into viscosity,
Object A is closed, it is spare；
(2) 100 parts of biological starch are added in 160 parts of deionized waters, are stirred evenly, be then added 2 parts into dispersion liquid and contain
There is the phosphate buffer of mesophilicα-diastase, the potency of the mesophilicα-diastase in buffer is 10000U/g, by dispersion liquid
Temperature is increased to 65-70 DEG C, keeps the temperature enzyme digestion reaction 2-3h then from hydrochloric acid is added into enzymolysis liquid and adjusts the pH value of enzymolysis liquid
To 4-4.3,30 parts of calcium gluconates and 7 parts of magnesium carbonate are added, adjust the pH value of dispersion liquid after being uniformly dispersed with sodium hydroxide
It for 5.3-5.5, will be filtered after dispersion liquid activated carbon adsorption, obtain filtrate, filtrate passes through 100-110 DEG C of spray drying treatment
After obtain micro mist B；
(3) 200 parts of deionized waters are added into reaction kettle, is heated to 55-60 DEG C, 80 parts of micro mist B is then added to reaction kettle
In；By 6.8 parts of polyethylene glycol, 3.7 parts of diethylene glycol butyl ethers and 12.5 parts of alkenyl succinic anhydrides are added to 30 parts of isopropanol solvents
In sufficiently dissolve, during solution is added in reaction kettle, under nitrogen atmosphere protection, 40- is reacted with 95-100 DEG C of temperature
60min will filter after product activated carbon adsorption after reaction, micro mist C obtained after being then spray-dried filtrate；
(4) it by 75 parts of micro mist C, 30 parts of mucopolysaccharides, 13 parts of propylene oxide and 4 parts of vinyl sulfonic acids, is added in reaction kettle, then plus
Enter 500 parts of deionized waters, 8-10min is stirred with 30-35 DEG C of temperature, 25 parts of mixture A are added in reaction kettle, uniformly
Stirring is completely dispersed to mixture A, continues heating reaction 1.5-2h, finally by product with 100-105 DEG C of temperature drying and powder
It is broken, obtain required composite tackifier.
5. a kind of elastic emulsion paint of high adhesion force according to claim 4, it is characterised in that: in the step (2)
Biological starch selects one of tapioca, cornstarch, potato starch and glutinous rice starch.
6. a kind of elastic emulsion paint of high adhesion force according to claim 4, it is characterised in that: in the step (4)
Mucopolysaccharide selects guar gum or xanthan gum.
7. a kind of elastic emulsion paint of high adhesion force according to claim 1, it is characterised in that: the inorganic filler is titanium
The mixture that white powder, talcum powder and precipitated calcium carbonate are mixed according to the mass ratio of 5:3:1.
8. a kind of elastic emulsion paint of high adhesion force according to claim 1, it is characterised in that: the preservative selects 1,
One of 2- benzisothiazole-3-ketone, methylisothiazolinone, 5-Chloro-2-methyl-4-isothiazolin-3-one.
9. a kind of elastic emulsion paint of high adhesion force according to claim 1, it is characterised in that: the defoaming agent is organic
Silicon defoaming agent；Levelling agent is silicone polyether acrylate analog copolymer or polysiloxane-polyether copolymer.
10. a kind of elastic emulsion paint of high adhesion force described in -9 any one according to claim 1, which is characterized in that described
Emulsion paint the preparation method comprises the following steps: according to mass fraction, tackifier and polytetrafluoroethylene (PTFE)-polyurethane copolymer are added to pure C cream
In the mixture of liquid and styrene-acrylic emulsion, 5- is dispersed with the revolving speed of 65-75 DEG C of temperature and 800-850r/min in Scattered Kettle
Then deionized water is heated to 50-55 DEG C by 8min, preservative, polyacrylamide and defoaming agent are add to deionized water molten
Solution, solution are added in Scattered Kettle, are mixed with lotion and are dispersed 3-5min with the revolving speed of 600-700r/min, then fill out inorganic
Material, nano-titanium dioxide and levelling agent are added sequentially in Scattered Kettle, with the revolving speed of 75-80 DEG C of temperature and 700-850r/min
Disperse 15-20min, product is cooled to room temperature after dispersion, sealed package, obtains required emulsion paint.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810821655.3A CN109082184A (en) | 2018-07-24 | 2018-07-24 | A kind of elastic emulsion paint of high adhesion force |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810821655.3A CN109082184A (en) | 2018-07-24 | 2018-07-24 | A kind of elastic emulsion paint of high adhesion force |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510923A (en) * | 2019-09-02 | 2019-11-29 | 定州康丽水性涂料有限公司 | A kind of sierozem power emulsion paint and preparation method thereof |
| CN111690298A (en) * | 2020-07-08 | 2020-09-22 | 吉林省家森林量子科技有限公司 | Quantum energy multifunctional interior wall coating and preparation method thereof |
| CN112159976A (en) * | 2020-09-29 | 2021-01-01 | 合肥河钢新材料科技有限公司 | Preparation method of colored steel plate |
| CN115537085A (en) * | 2021-11-09 | 2022-12-30 | 西藏君怡装饰材料有限公司 | Special water-based paint for Qinghai-Tibet plateau and preparation method thereof |
-
2018
- 2018-07-24 CN CN201810821655.3A patent/CN109082184A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510923A (en) * | 2019-09-02 | 2019-11-29 | 定州康丽水性涂料有限公司 | A kind of sierozem power emulsion paint and preparation method thereof |
| CN111690298A (en) * | 2020-07-08 | 2020-09-22 | 吉林省家森林量子科技有限公司 | Quantum energy multifunctional interior wall coating and preparation method thereof |
| CN112159976A (en) * | 2020-09-29 | 2021-01-01 | 合肥河钢新材料科技有限公司 | Preparation method of colored steel plate |
| CN112159976B (en) * | 2020-09-29 | 2023-01-24 | 合肥河钢新材料科技有限公司 | Preparation method of colored steel plate |
| CN115537085A (en) * | 2021-11-09 | 2022-12-30 | 西藏君怡装饰材料有限公司 | Special water-based paint for Qinghai-Tibet plateau and preparation method thereof |
| CN115537085B (en) * | 2021-11-09 | 2023-11-10 | 西藏君怡装饰材料有限公司 | Special water-based paint for Tibet plateau and preparation method thereof |
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Application publication date: 20181225 |