CN109971329A - A kind of high rigidity water paint and preparation method thereof - Google Patents
A kind of high rigidity water paint and preparation method thereof Download PDFInfo
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- CN109971329A CN109971329A CN201910185861.4A CN201910185861A CN109971329A CN 109971329 A CN109971329 A CN 109971329A CN 201910185861 A CN201910185861 A CN 201910185861A CN 109971329 A CN109971329 A CN 109971329A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- 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
Abstract
The invention discloses a kind of high rigidity water paints and preparation method thereof, belong to water paint technical field, comprise the following components in parts by weight: 60-80 parts of modified aqueous polyurethane；0.1-0.5 parts of nano aluminium oxide；1-2 parts of nano silica, 1-2 parts of nano-titanium dioxide；0.6-0.8 parts of defoaming agent；15-20 parts of deionized water；1-2 parts of levelling agent；1-2 parts of coalescing agent；1-1.5 parts of dispersing agent.Using above-mentioned formula and it is aided with the water paint that the obtained hardness of simple and convenient preparation method is high, wearability is good and heat resistance is strong, synthesis improves the service performance of its relatively general water paint.
Description
Technical field
The present invention relates to water paint technical fields, more particularly, to a kind of high rigidity water paint and preparation method thereof.
Background technique
Paint is rooted in the hearts of the people in consumer, that many consumers understand paint or seldom including some
The boss of sale paint more than ten years not quite understands the harm of paint.Paint can only after brushing the latter moon ability
It moves in, consumer thinks this when of paint just without toxicity, this is wrong in fact, and no penetrating odor is formaldehyde
It has evaporate into the receptible degree of physiology institute of people, and benzene contained in paint curing agent and diluent, toluene, free TDI is also
Volatilizing, these things will volatilize completely completely at least needs time of decades, and these aromatic hydrocarbon materials for baby and
The intellectual development of unborn child has a significant impact, and free TDI also has carcinogenic danger, countries in Europe very
Already prohibit the use of paint.
And water paint, it is the Novel environment-friendlymaterial material using water as diluent, minimum discharge.Paint is replaced with water paint, it can be with
VOC content in atmosphere is effectively reduced, and then improves haze weather.Therefore, the mainstream side that sealing wax is also present coating industry is promoted
To.
However water paint is in use, hardness, in terms of performance be weaker than paint so that water paint
After spray coating, not scratch-resistant and collision is easy depainting, significantly impacts using effect；The heat insulating effect of water paint simultaneously
It is poor, when its on building in use, the effect of insulation can not be played to interior, so that room temperature is with external environment
Variation is big, and the energy consumption for cooling of air-conditioning can be greatly improved in summer, waste a large amount of energy.
Summary of the invention
The present invention provides a kind of high rigidity water paints and preparation method thereof, low to solve water paint hardness, wear no resistance
The problem of.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is summarized as follows:
A kind of high rigidity water paint, comprises the following components in parts by weight: 60-80 parts of modified aqueous polyurethane；It is nano oxidized
0.1-0.5 parts of aluminium；1-2 parts of nano silica, 1-2 parts of nano-titanium dioxide；0.6-0.8 parts of defoaming agent；Deionized water 15-20
Part；1-2 parts of levelling agent；1-2 parts of coalescing agent；1-1.5 parts of dispersing agent；
Wherein, modified aqueous polyurethane includes following component: aqueous polyurethane emulsion and nano ATO (antimony tin),
Mass ratio is 10:0.8-1.2.
Aqueous polyurethane is modified using nano ATO, in the intermiscibility for not destroying aqueous polyurethane and deionized water
Under conditions of, assign modified aqueous polyurethane with excellent heat preservation and insulation, reduce paint film generated under strong illumination aging,
The problem of damage；And nano aluminium oxide, nano silica, nano-titanium dioxide are dispersed in modified water using dispersing agent
Property polyurethane in, using between above-mentioned nano material and nano ATO synergistic effect enhancing coating hardness, promote the resistance to of coating
Mill property.The present invention is first modified aqueous polyurethane, and is aided with nano aluminium oxide, nano silica, nano-titanium dioxide
It is enhanced, so that the paint film hardness with higher that water paint obtained is formed, wearability is enhanced, while also being had
There is preferable thermal and insulating performance, improves the synthesis service performance of water paint.
Further, above-mentioned high rigidity water paint, comprises the following components in parts by weight: 70-80 parts of modified aqueous polyurethane；
0.2-0.3 parts of nano aluminium oxide；1-1.5 parts of nano silica, 1.5-2 parts of nano-titanium dioxide；0.7-0.8 parts of defoaming agent；
15-20 parts of deionized water；1.5-2 parts of levelling agent；1.5-2 parts of coalescing agent；1.3-1.5 parts of dispersing agent；
Wherein, modified aqueous polyurethane includes following component: aqueous polyurethane emulsion and nano ATO, mass ratio 10:
1。
Further, the dispersing agent is polyacrylic hydrosol；So that nano aluminium oxide, nano-titanium dioxide, receiving
Rice silica can be preferably dispersed in modified aqueous polyurethane, and generate preferable synergistic effect with it, promote coating
Hardness, wearability and heat-insulation and heat-preservation.
Further, the levelling agent is the copolymer of siloxanes and polyethers；Its mobility that can improve coating and levelling
Property, reduce the disadvantage that coating may generate in coating process.
Further, the coalescing agent is 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates；After water volatilization,
Promote paint solution to form the paint film of even compact, improves the film forming of paint solution.
Further, the defoaming agent is the mixture of polyoxypropylene ethylene oxide glycerin ether and dimethyl silicone polymer,
Its mass ratio is 1: 1；The bubble in paint solution is eliminated using the defoaming agent of compounding, performance is mild, will not to nano aluminium oxide,
The dispersibility of nano silica, nano-titanium dioxide in modified aqueous polyurethane has an impact.
Further, the preparation method of above-mentioned high rigidity water paint, includes the following steps:
(1) pH of aqueous polyurethane emulsion is adjusted between 9-10 with ammonium hydroxide, and by all addition of nano ATO ultrasound
Into aqueous polyurethane emulsion, modified aqueous polyurethane is obtained；
(2) by dispersing agent, nano aluminium oxide, nano silica, nano-titanium dioxide, deionized water is put into agitator tank
Fast stirring is carried out, mixing speed is controlled in 1400r/min, mixing time 2-5h, is sent in defoaming device and is taken off after stirring
20-25min is steeped, nano material dispersion liquid is obtained；
(3) nano material dispersion liquid, modified aqueous polyurethane, defoaming agent, levelling agent, delustering agent, coalescing agent are put into
It in agitator tank, is stirred with the speed of 300-400r/min, after stirring 1-1.5h, pH adjusting agent is added, adjusts mixture
PH value is 9-10, obtains high rigidity water paint.
Further, the pH adjusting agent is DMEA.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. being modified using nano ATO to aqueous polyurethane, the mixing of nano ATO and aqueous polyurethane is reached and receives
Meter level is other, and dispersion effect is good, improves the heat resistance of coating, and can play fabulous heat insulation, meets spray pair
Daylighting and heat-insulated dual needs；
2. modified aqueous polyurethane is mixed with nano aluminium oxide, nano silica, nano-titanium dioxide, add
Dispersing agent is dispersed in it in modified aqueous polyurethane, under the synergistic effect of these substances, can be improved the hard of coating
Degree, wear-resisting property and heat resistanceheat resistant performance, improve the synthesis service performance of coating, and the hardness of coating is in 2H or more；
3. the pH of aqueous polyurethane emulsion is adjusted to 9-10 with ammonium hydroxide when being prepared, so that itself and nano ATO
PH value is close, when compounding to the two, its dispersibility is promoted, so that each component distributing in modified aqueous polyurethane obtained
Uniformly, the overall performance of coating obtained is promoted；
4. whole preparation process is simple and convenient, and the consumption energy is less, low in cost, practical value with higher.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit
The fixed present invention, i.e., described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Therefore, the model of claimed invention is not intended to limit to the detailed description of the embodiment of the present invention below
It encloses, but is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
Embodiment 1
A kind of high rigidity water paint, comprises the following components in parts by weight: 60 parts of modified aqueous polyurethane；Nano aluminium oxide
0.1 part；1 part of nano silica, 1 part of nano-titanium dioxide；0.6 part of defoaming agent；15 parts of deionized water；1 part of levelling agent；Film forming
1 part of auxiliary agent；1 part of dispersing agent.
The preparation method of above-mentioned high rigidity water paint includes the following steps:
(1) pH of aqueous polyurethane emulsion is adjusted between 9-10 with ammonium hydroxide, and by all addition of nano ATO ultrasound
Into aqueous polyurethane emulsion, modified aqueous polyurethane is obtained, wherein the mass ratio of aqueous polyurethane and nano ATO are as follows: 10:
1.2。
(2) by dispersing agent, nano aluminium oxide, nano silica, nano-titanium dioxide, deionized water is put into agitator tank
Fast stirring is carried out, mixing speed is controlled in 1400r/min, mixing time 2-5h, is sent in defoaming device and is taken off after stirring
20-25min is steeped, nano material dispersion liquid is obtained；
(3) nano material dispersion liquid, modified aqueous polyurethane, defoaming agent, levelling agent, delustering agent, coalescing agent are put into
It in agitator tank, is stirred with the speed of 300-400r/min, after stirring 1-1.5h, DMEA is added as pH adjusting agent, adjusts
The pH value of mixture is 9-10, obtains high rigidity water paint.
And respective performances detection is carried out to the high rigidity water paint that the present embodiment obtains, obtained data are as follows:
Hardness of paint film is measured using pencil hardness test, specific test method is referring to " 86 film of GB6739-
Hardness pencil measuring method ", the hardness of paint film measured is 2H；
Water resistance (boiling water boiling 1h): each performance is unchanged；
Artificial weathering ageing resistance (600h): it does not blister, is unstripped, flawless.
Embodiment 2
A kind of high rigidity water paint, comprises the following components in parts by weight: 68 parts of modified aqueous polyurethane；Nano aluminium oxide
0.3 part；1.5 parts of nano silica, 1.4 parts of nano-titanium dioxide；0.7 part of defoaming agent；19 parts of deionized water；Levelling agent 1.7
Part；1.5 parts of coalescing agent；1.2 parts of dispersing agent.
The preparation method of above-mentioned high rigidity water paint includes the following steps:
(1) pH of aqueous polyurethane emulsion is adjusted between 9-10 with ammonium hydroxide, and by all addition of nano ATO ultrasound
Into aqueous polyurethane emulsion, modified aqueous polyurethane is obtained, wherein the mass ratio of aqueous polyurethane and nano ATO are as follows: 10:
1.1；
(2) by dispersing agent, nano aluminium oxide, nano silica, nano-titanium dioxide, deionized water is put into agitator tank
Fast stirring is carried out, mixing speed is controlled in 1400r/min, mixing time 2-5h, is sent in defoaming device and is taken off after stirring
20-25min is steeped, nano material dispersion liquid is obtained；
(3) nano material dispersion liquid, modified aqueous polyurethane, defoaming agent, levelling agent, delustering agent, coalescing agent are put into
It in agitator tank, is stirred with the speed of 300-400r/min, after stirring 1-1.5h, DMEA is added as pH adjusting agent, adjusts
The pH value of mixture is 9-10, obtains high rigidity water paint.
And respective performances detection is carried out to the high rigidity water paint that the present embodiment obtains, obtained data are as follows:
Hardness of paint film is measured using pencil hardness test, specific test method is referring to " 86 film of GB6739-
Hardness pencil measuring method ", the hardness of paint film measured is 2H；
Water resistance (boiling water boiling 1h): each performance is unchanged；
Artificial weathering ageing resistance (600h): it does not blister, is unstripped, flawless.
Embodiment 3
A kind of high rigidity water paint, comprises the following components in parts by weight: 80 parts of modified aqueous polyurethane；Nano aluminium oxide
0.5 part；2 parts of nano silica, 2 parts of nano-titanium dioxide；0.8 part of defoaming agent；20 parts of deionized water；2 parts of levelling agent；Film forming
2 parts of auxiliary agent；1.5 parts of dispersing agent.
The preparation method of above-mentioned high rigidity water paint includes the following steps:
(1) pH of aqueous polyurethane emulsion is adjusted between 9-10 with ammonium hydroxide, and by all addition of nano ATO ultrasound
Into aqueous polyurethane emulsion, modified aqueous polyurethane is obtained, wherein the mass ratio of aqueous polyurethane and nano ATO are as follows: 10:
1.2；
(2) by dispersing agent, nano aluminium oxide, nano silica, nano-titanium dioxide, deionized water is put into agitator tank
Fast stirring is carried out, mixing speed is controlled in 1400r/min, mixing time 2-5h, is sent in defoaming device and is taken off after stirring
20-25min is steeped, nano material dispersion liquid is obtained；
(3) nano material dispersion liquid, modified aqueous polyurethane, defoaming agent, levelling agent, delustering agent, coalescing agent are put into
It in agitator tank, is stirred with the speed of 300-400r/min, after stirring 1-1.5h, DMEA is added as pH adjusting agent, adjusts
The pH value of mixture is 9-10, obtains high rigidity water paint.
And respective performances detection is carried out to the high rigidity water paint that the present embodiment obtains, obtained data are as follows:
Hardness of paint film is measured using pencil hardness test, specific test method is referring to " 86 film of GB6739-
Hardness pencil measuring method ", the hardness of paint film measured is 2H；
Water resistance (boiling water boiling 1h): each performance is unchanged；
Artificial weathering ageing resistance (600h): it does not blister, is unstripped, flawless.
Embodiment 4
A kind of high rigidity water paint, comprises the following components in parts by weight: 70 parts of modified aqueous polyurethane；Nano aluminium oxide
0.2 part；1 part of nano silica, 1.5 parts of nano-titanium dioxide；0.7 part of defoaming agent；15 parts of deionized water；1.5 parts of levelling agent；
1.5 parts of coalescing agent；1.3 parts of dispersing agent.
The preparation method of above-mentioned high rigidity water paint includes the following steps:
(1) pH of aqueous polyurethane emulsion is adjusted between 9-10 with ammonium hydroxide, and by all addition of nano ATO ultrasound
Into aqueous polyurethane emulsion, modified aqueous polyurethane is obtained, wherein the mass ratio of aqueous polyurethane and nano ATO are as follows: 10:
1；
(2) by dispersing agent, nano aluminium oxide, nano silica, nano-titanium dioxide, deionized water is put into agitator tank
Fast stirring is carried out, mixing speed is controlled in 1400r/min, mixing time 2-5h, is sent in defoaming device and is taken off after stirring
20-25min is steeped, nano material dispersion liquid is obtained；
(3) nano material dispersion liquid, modified aqueous polyurethane, defoaming agent, levelling agent, delustering agent, coalescing agent are put into
It in agitator tank, is stirred with the speed of 300-400r/min, after stirring 1-1.5h, DMEA is added as pH adjusting agent, adjusts
The pH value of mixture is 9-10, obtains high rigidity water paint.
And respective performances detection is carried out to the high rigidity water paint that the present embodiment obtains, obtained data are as follows:
Hardness of paint film is measured using pencil hardness test, specific test method is referring to " 86 film of GB6739-
Hardness pencil measuring method ", the hardness of paint film measured is 3H；
Water resistance (boiling water boiling 1h): each performance is unchanged；
Artificial weathering ageing resistance (600h): it does not blister, is unstripped, flawless.
It is as described above the embodiment of the present invention.The present invention is not limited to the above-described embodiments, anyone should learn that
The structure change made under the inspiration of the present invention, the technical schemes that are same or similar to the present invention each fall within this
Within the protection scope of invention.
Claims (8)
1. a kind of high rigidity water paint, which is characterized in that comprise the following components in parts by weight: 60-80 parts of modified aqueous polyurethane；
0.1-0.5 parts of nano aluminium oxide；1-2 parts of nano silica, 1-2 parts of nano-titanium dioxide；0.6-0.8 parts of defoaming agent；Go from
Sub- water 15-20 parts；1-2 parts of levelling agent；1-2 parts of coalescing agent；1-1.5 parts of dispersing agent；
Wherein, modified aqueous polyurethane includes following component: aqueous polyurethane emulsion and nano ATO, mass ratio 10:0.8-
1.2。
2. a kind of high rigidity water paint as described in claim 1, which is characterized in that comprise the following components in parts by weight: modified
70-80 parts of aqueous polyurethane；0.2-0.3 parts of nano aluminium oxide；1-1.5 parts of nano silica, nano-titanium dioxide 1.5-2
Part；0.7-0.8 parts of defoaming agent；15-20 parts of deionized water；1.5-2 parts of levelling agent；1.5-2 parts of coalescing agent；Dispersing agent 1.3-
1.5 part；
Wherein, modified aqueous polyurethane includes following component: aqueous polyurethane emulsion and nano ATO, mass ratio 10:1.
3. a kind of high rigidity water paint as described in claim 1, which is characterized in that the dispersing agent is that polyacrylate is water-soluble
Liquid.
4. a kind of high rigidity water paint as described in claim 1, which is characterized in that the levelling agent is siloxanes and polyethers
Copolymer.
5. a kind of high rigidity water paint as described in claim 1, which is characterized in that the coalescing agent is 2,2,4- front threes
Base -1,3- pentanediol mono isobutyrate.
6. a kind of high rigidity water paint as described in claim 1, which is characterized in that the defoaming agent is that polyoxypropylene aoxidizes second
The mixture of alkene glycerin ether and dimethyl silicone polymer, mass ratio 1: 1.
7. a kind of preparation method of high rigidity water paint as described in claim 1, which comprises the steps of:
(1) pH of aqueous polyurethane emulsion is adjusted between 9-10 with ammonium hydroxide, and nano ATO ultrasound all is added to water
In property polyaminoester emulsion, modified aqueous polyurethane is obtained；
(2) by dispersing agent, nano aluminium oxide, nano silica, nano-titanium dioxide, deionized water is put into agitator tank and carries out
Speed stirring, mixing speed control are sent to deaeration 20- in defoaming device in 1400r/min, mixing time 2-5h after stirring
25min obtains nano material dispersion liquid；
(3) nano material dispersion liquid, modified aqueous polyurethane, defoaming agent, levelling agent, coalescing agent are put into agitator tank, with
The speed of 300-400r/min is stirred, and after stirring 1-1.5h, pH adjusting agent is added, and the pH value for adjusting mixture is 9-10,
Obtain high rigidity water paint.
8. the preparation method of high rigidity water paint as claimed in claim 7, which is characterized in that the pH adjusting agent is DMEA.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115537061A (en) * | 2022-09-23 | 2022-12-30 | 四川宏凯化工科技有限公司 | Water-based paint odor scavenger and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115537061A (en) * | 2022-09-23 | 2022-12-30 | 四川宏凯化工科技有限公司 | Water-based paint odor scavenger and preparation method thereof |
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