CN110408297A - A kind of aqueous environment protection paint and preparation method thereof - Google Patents
A kind of aqueous environment protection paint and preparation method thereof Download PDFInfo
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- CN110408297A CN110408297A CN201910756557.0A CN201910756557A CN110408297A CN 110408297 A CN110408297 A CN 110408297A CN 201910756557 A CN201910756557 A CN 201910756557A CN 110408297 A CN110408297 A CN 110408297A
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
- C08F283/008—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00 on to unsaturated polymers
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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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
- C09D7/47—Levelling agents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- 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
- 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 a kind of aqueous environment protection paints and preparation method thereof, belong to water paint field.Aqueous environment protection paint of the invention adds alkylation modification fume colloidal silica, dispersing agent, levelling agent, defoaming agent, disperses in water using polyurethane-modified acrylic acid latex as primary raw material, has excellent toughness, wear-resistant, acid-resisting and hardness.Used alkylation modification fume colloidal silica has the function of thickening, reinforcement, and good dispersion.Using aqueous amine curing agent, while having the function of emulsifier and curing agent, stable aqueous coating system can be mixed to prepare with above-mentioned other components.Aqueous environment protection paint of the invention is substantially reduced VOC volatilization, realizes traditional solvent-thinned paint and changes to environment-friendly type, meets environmentally protective development trend.Preparation method simple possible, stability are good, reproducible, it is easy to accomplish industrialized production.
Description
Technical field
The present invention relates to a kind of preparation methods of water paint, and in particular to a kind of aqueous environment protection paint and preparation method thereof belongs to
In water paint field.
Background technique
Paint refers to the lacquer type organic coating on wood furniture, is divided into water solubility and two kinds of oil-soluble.With society it is continuous
Progress, more and more by the concern of common people, the environmental consciousness of people is also constantly being reinforced for environmental protection.Due to global warming
With the destruction of ozone layer, worldwide industry environmental protection requires higher and higher.Oil-soluble paint has largely in the construction process
Volatile organic solvent, be discharged into atmosphere in use, not only break up environment, endanger people's health, while is also unrestrained
Take resource, waste of energy.And water paint is then to use water as diluent, and it is substantially nontoxic, it will not be dissipated after construction period and construction
Penetrating odor is sent out, is harmful to human health, the requirement of social sustainable development and human health growth is more met.
Water soluble acrylic acid paint, aqueous epoxy resins paint, aqueous poly- ammonia are segmented into according to the difference of film forming matter in water paint
Ester paint etc..Acrylic resin produces and letter easy for construction because of its good guarantor's light colour retention, weatherability, anti-corrosive properties and film forming
Single, no pollution to the environment is one of coating and the hot spot of adhesive industry research so applying in water paint relatively mostly.
But it is generally weaker with acrylic acid water paint toughness as main component, wearability and acid-resisting, paint layer intensity is soft, mechanical property
Can be general, and engineering construction easily causes defect, limits its application further.
Therefore, it is necessary to invent a kind of aqueous environment protection paint of good performance and preparation method thereof.
Summary of the invention
The present invention to solve the deficiencies in the prior art, provides a kind of aqueous environment protection paint of good performance and its preparation side
Method has the performances such as excellent toughness, hardness, anti acid alkali performance, is made by the raw material of following parts by weight:
60 ~ 80 parts of polyurethane-modified acrylic acid latex；
20 ~ 30 parts of alkylation modification fume colloidal silica；
10 ~ 20 parts of dispersing agent；
6 ~ 10 parts of levelling agent；
2 ~ 6 parts of defoaming agent；
20 ~ 30 parts of water.
Wherein the polyurethane-modified acrylic acid latex is acrylate-terninated polyurethane, methyl acrylate, acrylic acid fourth
Ester and methyl methacrylate quadripolymer, molecular weight 5000 ~ 20000.
Wherein the polyurethane-modified acrylic acid latex is made by following step:
(1) N-Methyl pyrrolidone, two isocyanide of isophorone successively the preparation of acrylate-terninated polyurethane: are added into reaction kettle
Acid esters and polycaprolactone diols are stirring evenly and then adding into the dibutyltin dilaurate catalyst of total weight parts 0.1 ~ 0.5%,
Dihydroxymethyl acrylic acid is added after reacting 1 ~ 3h at 60 ~ 70 DEG C, stops reaction after the reaction was continued 2 ~ 3h, it is poly- to obtain propylene acid blocked
Urethane latex.
(2) lauryl sodium sulfate is sequentially added into aforesaid reaction vessel, is sufficiently dissolved with deionized water, while with 800 ~
1000r/min speed stirs side dropwise addition monomer mixed solution, and (monomer mixed solution includes methyl acrylate, butyl acrylate and methyl-prop
E pioic acid methyl ester), pre-emulsion is sufficiently stirred to obtain.The ammonium sulfate solution of the 3wt% of total weight parts 10 ~ 20% is taken to be added dropwise to above-mentioned
In pre-emulsion, control speed in 1 ~ 1.5h in being added dropwise.System temperature is then risen to 80 ~ 85 DEG C, is obtained after reacting 4 ~ 5.5h
To polyurethane-modified acrylic acid latex.
Preferably, the N-Methyl pyrrolidone, isophorone diisocyanate and the quality of polycaprolactone diols
Than for 3:1.2 ~ 1.3:1.
Preferably, the mass ratio of the isophorone diisocyanate and dihydroxymethyl acrylic acid is 5:1 ~ 1.2.
Preferably, the lauryl sodium sulfate, deionized water, methyl acrylate, butyl acrylate and metering system
The mass ratio of sour methyl esters is 1:1:2 ~ 3:1:1.
Wherein the alkylation modification fume colloidal silica is made by following step:
Fume colloidal silica is placed in vacuum oven 1 ~ 2h of vacuum outgas, free moisture is removed, is then transferred to full of indifferent gas
The reaction kettle of body, and the dry toluene solution of 20 ~ 30% vinyltrimethoxysilanes is added, 2 ~ 4h is reacted at 110 ~ 120 DEG C,
Stop filtering after reaction, dry, obtains alkylation modification fume colloidal silica.
Preferably, the mass ratio of the fume colloidal silica and vinyltrimethoxysilane is 3:1.
Preferably, the dispersing agent is amino propylamine dioleate, the polyvinylpyrrolidone of mass ratio 1:1.
Preferably, the levelling agent is the polyvinyl butyral of mass ratio 1:1, diacetone alcohol.
Preferably, the defoaming agent is the dimethicone and tributyl phosphate of mass ratio 1:1.
The preparation method of above-mentioned aqueous environment protection paint the following steps are included:
Weigh according to the ratio 60-80 parts of polyurethane-modified acrylic acid latex, 20 ~ 30 parts of alkylation modification fume colloidal silicas and 20 ~
30 parts of water are added in stainless steel mixing tank, open agitating device, and revolving speed is adjusted to 600 ~ 1000r/min, stir 20 ~ 30min.So
Afterwards be added 10 ~ 20 parts of dispersing agents, 6 ~ 10 parts of levelling agents, 2 ~ 6 parts of defoaming agents, stir 20 ~ 30min after, be slowly added to 2 ~ 5 parts it is aqueous
Amine curing agent continues to obtain aqueous environment protection paint of the present invention after 40 ~ 50min of stirring completely eliminates to foam.
Beneficial effect explanation:
1, aqueous environment protection paint of the invention adds alkylation modification vapor phase method using polyurethane-modified acrylic acid latex as primary raw material
White carbon black, dispersing agent, levelling agent, defoaming agent, disperse in water, have excellent toughness, wear-resistant, acid-resisting and hard
Degree.
2, alkylation modification fume colloidal silica used in the present invention has the function of thickening, reinforcement, and dispersibility
It is good.
3, aqueous environment protection paint of the invention is substantially reduced VOC volatilization, realizes traditional solvent-thinned paint and changes to environment-friendly type,
Meet environmentally protective development trend.
4, using aqueous amine curing agent, while having the function of emulsifier and curing agent, can be mixed with above-mentioned other components
Stable aqueous coating system is made.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described, and specific embodiment does not limit the present invention.
Embodiment 1
A kind of aqueous environment protection paint of good performance and preparation method thereof, is made by the raw material of following parts by weight:
60 parts of polyurethane-modified acrylic acid latex；
20 parts of alkylation modification fume colloidal silica；
5 parts of amino propylamine dioleate；
5 parts of polyvinylpyrrolidone；
3 parts of polyvinyl butyral；
3 parts of diacetone alcohol；
1 part of dimethicone；
1 part of tributyl phosphate；
20 parts of water.
The preparation method of above-mentioned aqueous environment protection paint the following steps are included:
(1) preparation of acrylate-terninated polyurethane:
It is poly- that 2.4kg N-Methyl pyrrolidone, 0.96kg isophorone diisocyanate and 0.8kg are successively added into reaction kettle
Caprolactone dihydric alcohol is stirring evenly and then adding into 4.2g dibutyltin dilaurate catalyst, is added after reacting 1h at 60 DEG C
0.19kg dihydroxymethyl acrylic acid stops reaction after the reaction was continued 2h, obtains acrylate-terninated polyurethane latex.
(2) polyurethane-modified acrylic acid latex: sequentially adding 0.5kg lauryl sodium sulfate into aforesaid reaction vessel, uses
0.5kg deionized water sufficiently dissolves, and monomer mixed solution is added dropwise while with the stirring of 800r/min speed, and (monomer mixed solution includes 1kg
Methyl acrylate, 0.5kg butyl acrylate and 0.5kg methyl methacrylate), pre-emulsion is sufficiently stirred to obtain.Take 0.3kg
The ammonium sulfate solution of 3wt% is added dropwise in above-mentioned pre-emulsion, and control speed in 1h in being added dropwise.Then by system temperature
Degree rises to 80 DEG C, obtains polyurethane-modified acrylic acid latex after reacting 4h.
(3) preparation of alkylation modification fume colloidal silica:
2.1kg fume colloidal silica is placed in vacuum oven vacuum outgas 1h, free moisture is removed, is then transferred to full of inertia
The reaction kettle of gas, and the dry toluene solution of the vinyltrimethoxysilane of 3.5kg 20% is added, 2h is reacted at 110 DEG C,
Stop filtering after reaction, dry, obtains alkylation modification fume colloidal silica.
The preparation method of above-mentioned aqueous environment protection paint the following steps are included:
Measure 60 parts of polyurethane-modified acrylic acid latex, 20 parts of alkylation modification fume colloidal silicas and 20 parts of water be added to it is stainless
In steel reinforced concrete batch can, agitating device is opened, revolving speed is adjusted to 600r/min, stirs 20min.Then 5 parts of two oleic acid of amino propylamine are added
Ester, 5 parts of polyvinylpyrrolidones, 3 parts of polyvinyl butyrals, 3 parts of diacetone alcohol, 1 part of dimethicone, 1 part of tricresyl phosphate fourth
Ester is slowly added to 2 ~ 5 parts of aqueous amine curing agent after stirring 20 ~ 30min, continues to stir 40-50min completely eliminating to foam
Later, aqueous environment protection paint of the present invention is obtained.
Embodiment 2
A kind of aqueous environment protection paint of good performance and preparation method thereof, is made by the raw material of following parts by weight:
70 parts of polyurethane-modified acrylic acid latex；
25 parts of alkylation modification fume colloidal silica；
6 parts of amino propylamine dioleate；
6 parts of polyvinylpyrrolidone dispersing agent；
4 parts of polyvinyl butyral；
4 parts of diacetone alcohol levelling agent；
2 parts of dimethicone；
2 parts of tributyl phosphate；
26 parts of water.
The preparation method of above-mentioned aqueous environment protection paint the following steps are included:
(1) preparation of acrylate-terninated polyurethane:
2.4kg N-Methyl pyrrolidone, 1.0kg isophorone diisocyanate and 0.8kg are successively added into reaction kettle and gathers oneself
Lactone dihydric alcohol is stirring evenly and then adding into 8.4g dibutyltin dilaurate catalyst, 0.23kg is added after reacting 2h at 65 DEG C
Dihydroxymethyl acrylic acid stops reaction after the reaction was continued 2.5h, obtains acrylate-terninated polyurethane.
(2) polyurethane-modified acrylic acid latex: sequentially adding 0.5kg lauryl sodium sulfate into aforesaid reaction vessel, uses
0.5kg
Deionized water sufficiently dissolves, and monomer mixed solution is added dropwise while with the stirring of 900r/min speed, and (monomer mixed solution includes 1.2kg
Methyl acrylate, 0.5kg butyl acrylate and 0.5kg methyl methacrylate), pre-emulsion is sufficiently stirred to obtain.0.48kg 3wt%
Ammonium sulfate solution be added dropwise in above-mentioned pre-emulsion, control speed in 1.5h in being added dropwise.Then by system temperature
82 DEG C are risen to, obtains polyurethane-modified acrylic acid latex after reacting 5h.
(3) preparation of alkylation modification fume colloidal silica:
2.1kg fume colloidal silica is placed in vacuum oven vacuum outgas 1.5h, free moisture is removed, is then transferred to full of lazy
The reaction kettle of property gas, and the dry toluene solution of the vinyltrimethoxysilane of 2.8kg 15% is added, it is reacted at 115 DEG C
3h stops filtering, drying after reaction, obtains alkylation modification fume colloidal silica.
The preparation method of above-mentioned aqueous environment protection paint the following steps are included:
Measure 70 parts of polyurethane-modified acrylic acid latex, 25 parts of alkylation modification fume colloidal silicas and 26 parts of water be added to it is stainless
In steel reinforced concrete batch can, agitating device is opened, revolving speed is adjusted to 900r/min, stirs 25min.Then 6 parts of two oleic acid of amino propylamine are added
Ester, 6 parts of polyvinylpyrrolidones, 4 parts of polyvinyl butyrals, 4 parts of diacetone alcohol, 2 parts of dimethicones, 2 parts of tricresyl phosphate fourths
Ester is slowly added to 4 parts of aqueous amine curing agent after stirring 25min, continues to stir after 45min completely eliminates to foam, obtain
Aqueous environment protection paint of the present invention.
Embodiment 3
A kind of aqueous environment protection paint of good performance and preparation method thereof, is made by the raw material of following parts by weight:
80 parts of polyurethane-modified acrylic acid latex；
30 parts of alkylation modification fume colloidal silica；
10 parts of amino propylamine dioleate；
10 parts of polyvinylpyrrolidone dispersing agent；
5 parts of polyvinyl butyral；
5 parts of diacetone alcohol levelling agent；
3 parts of dimethicone；
3 parts of tributyl phosphate；
20 ~ 30 parts of water.
The preparation method of above-mentioned aqueous environment protection paint the following steps are included:
(1) preparation of acrylate-terninated polyurethane:
It is poly- that 2.4kg N-Methyl pyrrolidone, 1.04kg isophorone diisocyanate and 0.8kg are successively added into reaction kettle
Caprolactone dihydric alcohol is stirring evenly and then adding into the dibutyltin dilaurate catalyst of 21.2g 0.5%, after reacting 3h at 70 DEG C
0.25kg dihydroxymethyl acrylic acid is added, stops reaction after the reaction was continued 3h, obtains acrylate-terninated polyurethane.
(2) polyurethane-modified acrylic acid latex: sequentially adding 0.5kg lauryl sodium sulfate into aforesaid reaction vessel, uses
0.5kg deionized water sufficiently dissolves, and monomer mixed solution is added dropwise while with the stirring of 1000r/min speed, and (monomer mixed solution includes
1.5kg methyl acrylate, 0.5kg butyl acrylate and 0.5kg methyl methacrylate), pre-emulsion is sufficiently stirred to obtain.It takes
The ammonium sulfate solution of 0.6kg 3wt% is added dropwise in above-mentioned pre-emulsion, and control speed in 1.5h in being added dropwise.Then
System temperature is risen to 85 DEG C, obtains polyurethane-modified acrylic acid latex after reacting 5.5h.
(3) preparation of alkylation modification fume colloidal silica:
2.1kg fume colloidal silica is placed in vacuum oven vacuum outgas 2h, free moisture is removed, is then transferred to full of inertia
The reaction kettle of gas, and the dry toluene solution of the vinyltrimethoxysilane of 2.3kg 30% is added, it is reacted at 120 DEG C
4h stops filtering, drying after reaction, obtains alkylation modification fume colloidal silica.
The preparation method of above-mentioned aqueous environment protection paint the following steps are included:
Measure 80 parts of polyurethane-modified acrylic acid latex, 30 parts of alkylation modification fume colloidal silicas and 30 parts of water be added to it is stainless
In steel reinforced concrete batch can, agitating device is opened, revolving speed is adjusted to 1000r/min, stirs 30min.Then 10 parts of amino propylamine, two oil is added
Acid esters, 10 parts of polyvinylpyrrolidones, 5 parts of polyvinyl butyrals, 5 parts of diacetone alcohol, 3 parts of dimethicones, 3 parts of phosphoric acid
Tributyl is slowly added to 5 parts of aqueous amine curing agent after stirring 30min, continues to stir after 50min completely eliminates to foam,
Obtain aqueous environment protection paint of the present invention.
Comparative example 1
The other the same as in Example 1 only changes polyurethane-modified acrylic acid latex into commercially available acrylic latex.
Comparative example 2
The other the same as in Example 1 does not only have to alkylation modification fume colloidal silica.
As a result it compares:
Tensile property is tested using ASTM D638 and ASTM D790 testing standard with universal testing machine, and pencil hardness uses
GB/T 6739-2006 test, acid resistance test: configuration acid solution is the sulfuric acid and nitric acid mixed liquor of 5% concentration, wherein sulfuric acid
The mass ratio of (concentration is 95% ~ 98%) and nitric acid (concentration is 68% ~ 71%) is 1.35:1.It is sour molten at room temperature using immersion way
Liquid did not had sample, and test period 672h is observed.
Test result is shown in Table 1.
| Pencil hardness | Tensile strength, MPa | Elongation at break, % | Acid resistance | |
| Embodiment 1 | 3H | 21.1 | 21.3 | It is not blistering |
| Embodiment 2 | 3H | 21.2 | 20.6 | It is not blistering |
| Embodiment 3 | 3H | 22.5 | 20.1 | It is not blistering |
| Comparative example 1 | 1H | 18.3 | 13.6 | Obvious blistering |
| Comparative example 2 | 2H | 16.9 | 18.3 | Slight blistering |
Polyurethane-modified acrylic acid latex has excellent acid-resisting, toughness and hardness, when not in use, tensile strength, hard
Degree, elongation at break are declined, and see comparative example 1.Alkylation modification fume colloidal silica has good dispersibility, is not easy
Reunite, existing reinforcing effect, and there is defoaming effect, when not in use, stretches slight, hardness, elongation at break and is declined,
But for relative contrast's example 1, decline is unobvious, sees comparative example 2.
To sum up, aqueous environment protection paint of the present invention has the performances such as excellent toughness, hardness, anti acid alkali performance.
Claims (10)
1. a kind of aqueous environment protection paint, which is characterized in that be made by the raw material of following parts by weight:
60 ~ 80 parts of polyurethane-modified acrylic acid latex；
20 ~ 30 parts of alkylation modification fume colloidal silica；
10 ~ 20 parts of dispersing agent；
6 ~ 10 parts of levelling agent；
2 ~ 6 parts of defoaming agent；
20 ~ 30 parts of water.
2. a kind of aqueous environment protection paint as described in claim 1, it is characterised in that: the wherein polyurethane-modified acrylic acid glue
Cream is acrylate-terninated polyurethane, methyl acrylate, butyl acrylate and methyl methacrylate quadripolymer, molecular weight
5000~20000。
3. a kind of aqueous environment protection paint as claimed in claim 2, it is characterised in that the polyurethane-modified acrylic acid latex by
Following step is made:
1) N-Methyl pyrrolidone, two isocyanide of isophorone successively the preparation of acrylate-terninated polyurethane: are added into reaction kettle
Acid esters and polycaprolactone diols are stirring evenly and then adding into the dibutyltin dilaurate catalyst of total weight parts 0.1 ~ 0.5%,
Dihydroxymethyl acrylic acid is added after reacting 1 ~ 3h at 60 ~ 70 DEG C, stops reaction after the reaction was continued 2 ~ 3h, it is poly- to obtain propylene acid blocked
Urethane latex；
2) lauryl sodium sulfate is sequentially added into aforesaid reaction vessel, is sufficiently dissolved with deionized water, while with 800 ~ 1000r/
Min speed stirs side dropwise addition monomer mixed solution, and (monomer mixed solution includes methyl acrylate, butyl acrylate and methyl methacrylate
Ester), pre-emulsion is sufficiently stirred to obtain；The ammonium sulfate solution of the 3wt% of total weight parts 10 ~ 20% is taken to be added dropwise to above-mentioned pre-emulsion
In, control speed in 1 ~ 1.5h in being added dropwise；System temperature is then risen to 80 ~ 85 DEG C, obtains poly- ammonia after reacting 4 ~ 5.5h
Ester modified acrylic latex.
4. a kind of aqueous environment protection paint as claimed in claim 3, it is characterised in that: the N-Methyl pyrrolidone, different Fo Er
Ketone diisocyanate and the mass ratio of polycaprolactone diols are 3:1.2 ~ 1.3:1；The isophorone diisocyanate and
The mass ratio of dihydroxymethyl acrylic acid is 5:1 ~ 1.2；The lauryl sodium sulfate, deionized water, methyl acrylate, propylene
The mass ratio of acid butyl ester and methyl methacrylate is 1:1:2 ~ 3:1:1.
5. a kind of aqueous environment protection paint as described in claim 1, it is characterised in that wherein the alkylation modification vapor phase method is white
Carbon black is made by following step: fume colloidal silica being placed in vacuum oven 1 ~ 2h of vacuum outgas, removes free moisture, then
It is transferred to the reaction kettle full of inert gas, and the dry toluene solution of 20 ~ 30% vinyltrimethoxysilanes is added, 110 ~ 120
2 ~ 4h is reacted at DEG C, is stopped filtering, drying after reaction, is obtained alkylation modification fume colloidal silica.
6. a kind of aqueous environment protection paint as claimed in claim 5, it is characterised in that: the fume colloidal silica and vinyl front three
The mass ratio of oxysilane is 3:1.
7. a kind of aqueous environment protection paint as described in claim 1, it is characterised in that: the dispersing agent is the ammonia of mass ratio 1:1
Base propylamine dioleate, polyvinylpyrrolidone.
8. a kind of aqueous environment protection paint as described in claim 1, it is characterised in that: the levelling agent is the poly- of mass ratio 1:1
Vinyl butyral, diacetone alcohol.
9. a kind of aqueous environment protection paint as described in claim 1, it is characterised in that: the defoaming agent is the two of mass ratio 1:1
Methyl-silicone oil and tributyl phosphate.
10. a kind of method for preparing Environmental Protective Water-paint as described in claim 1, it is characterised in that the following steps are included: pressing
Proportion weighs 60-80 parts of polyurethane-modified acrylic acid latex, 20 ~ 30 parts of alkylation modification fume colloidal silicas and 20 ~ 30 parts of water
It is added in stainless steel mixing tank, opens agitating device, revolving speed is adjusted to 600 ~ 1000r/min, stirs 20 ~ 30min；Then it is added
After stirring 20 ~ 30min, it is solid to be slowly added to 2 ~ 5 parts of aqueous amines for 10 ~ 20 parts of dispersing agents, 6 ~ 10 parts of levelling agents, 2 ~ 6 parts of defoaming agents
Agent continues to obtain aqueous environment protection paint after 40 ~ 50min of stirring completely eliminates to foam.
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| CN113881093A (en) * | 2021-11-02 | 2022-01-04 | 北京唯科致远科技有限公司 | Special foamed polypropylene plate for automobile and preparation method and application thereof |
| CN114380954A (en) * | 2021-12-29 | 2022-04-22 | 浩力森涂料（上海）有限公司 | Polyurethane modified water-based acrylic resin coating and preparation method thereof |
| CN114479595A (en) * | 2021-07-13 | 2022-05-13 | 江苏膜可光学材料有限公司 | Novel water-based environment-friendly paint for enhancing surface adhesive performance of packaging box and process flow |
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| CN114479595A (en) * | 2021-07-13 | 2022-05-13 | 江苏膜可光学材料有限公司 | Novel water-based environment-friendly paint for enhancing surface adhesive performance of packaging box and process flow |
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| CN114380954A (en) * | 2021-12-29 | 2022-04-22 | 浩力森涂料（上海）有限公司 | Polyurethane modified water-based acrylic resin coating and preparation method thereof |
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