CN108102500A - A kind of aqueous imitation marble paint and preparation method thereof - Google Patents
A kind of aqueous imitation marble paint and preparation method thereof Download PDFInfo
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- CN108102500A CN108102500A CN201711494021.3A CN201711494021A CN108102500A CN 108102500 A CN108102500 A CN 108102500A CN 201711494021 A CN201711494021 A CN 201711494021A CN 108102500 A CN108102500 A CN 108102500A
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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
- 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
- C09D151/003—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 by reactions only involving unsaturated carbon-to-carbon bonds
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- 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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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention provides a kind of aqueous imitation marble paints and preparation method thereof, by color stuffing and nanometer lanthanum hexaboride, aqueous acrylic emulsion, polymethyl methacrylate, acrylic acid ester emulsion that 3 (methacryloxypropyl) propyl trimethoxy silicanes are modified etc. is mixed and made into color tablets, the acrylic acid ester emulsion and sodium metaphosphate being modified using 3 (methacryloxypropyl) propyl trimethoxy silicanes are added in hydrogel, protecting colloid is made, mixing shearing and surface gelatinization processing finally by color tablets and protecting colloid, obtain aqueous color tablets, it is a kind of aqueous product, content of volatile organic compound is low, meet environmental protection standard (far superior to national standard), also there is excellent filming performance and heat-proof quality simultaneously.The present invention can obtain monochromatic aqueous color tablets using a kind of color stuffing, the corresponding monochromatic aqueous color tablets collocation mixing according to made of specific requirement selects different color stuffings during use, and the film with marbling effect of different requirements can be obtained after spraying.
Description
Technical field
The present invention relates to technical field of coatings, particularly, are related to a kind of aqueous imitation marble paint and preparation method thereof.
Background technology
Marble is subject to many people with special serious texture and with heat insulation in skin furnishing fields
Favor, but marmorean shortcoming be also it is clear that it is expensive, construction is complicated, have the security risks such as come off, marble
It is big to the load of wall, it is also difficult to renovate, especially because its safety issue, forbids using in many areas at present.Cause
This, marmorean external wall decorative material can be substituted by, which how finding, has the meaning of actuality.
Imitation marble paint is undoubtedly a kind of replacement Sexual behavior mode well, also sells currently on the market various imitative big
Reason stone coating forms similar marble texture after spraying, have preferable decorative.But existing imitation marble paint is simply
It is to imitate marmorean texture, coating film forming is unsatisfactory, also brings the problem of volatile organic content is high, another
Aspect substitutes marble with imitation marble paint, also loses marmorean heat insulation.
And recently as human society and economic fast development, global energy growing tension, it is energy saving have become it is complete
The topic of nodularization.In China, with the quickening and improvement of living standard of town and country construction paces, air-conditioning, heating installation amount are continuous
Increase, building energy consumption ratio constantly rises therewith.Therefore, building energy conservation has become the important component of energy-saving strategy, and
One of important step of building energy conservation is exactly external wall and door and window, the heat-insulation and heat-preservation of glass curtain wall.
The content of the invention
It is an object of the invention to provide a kind of aqueous imitation marble paint and preparation method thereof, with solve VOC content it is high,
The technical issues of film forming is undesirable and heat insulation is poor.
To achieve the above object, the present invention provides a kind of preparation method of aqueous imitation marble paint, specific steps are such as
Under：
(1) by color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water mixed grinding, aqueous acrylamide yogurt is added in
The acrylic acid ester emulsion that liquid, polymethyl methacrylate, 3- (methacryloxypropyl) propyl trimethoxy silicane are modified, obtains color
Grain, it is spare；
(2) using nano silicon dioxide, 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylamide as raw material, system
Into hydrogel, the acrylic acid ester emulsion and sodium metaphosphate for being then modified 3- (methacryloxypropyl) propyl trimethoxy silicane add
Enter in hydrogel, obtain protecting colloid, it is spare；
(3) color tablets obtained by step (1) with protecting colloid obtained by step (2) are mixed respectively and sheared, carry out surface glue
Change is handled, and obtains aqueous color tablets.
Preferably, in step (1), color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water, aqueous acrylamide yogurt
The quality for the acrylic acid ester emulsion that liquid, polymethyl methacrylate and 3- (methacryloxypropyl) propyl trimethoxy silicane are modified
Than for 1：1~2：0.02~0.03：1.2~1.4：2~3：1~2：0.4~0.6.
Preferably, in step (1), median is ground to below 30 μm.
Preferably, in step (2), the preparation method of hydrogel is as follows：By nano silicon dioxide sol, tetramethyl hydroxide
Ammonium salt solution is uniformly mixed, and then adds in 3- (methacryloxypropyl) propyl trimethoxy silicane, when ice bath 6 is small, adds in acryloyl
Amine, leads to nitrogen 15 minutes, adds in N ', N '-tetramethylethylenediamine and potassium peroxydisulfate, mixed liquor is then transferred to rapidly polymerization pipe
It is interior, instill silicone oil cause mixed liquor completely cut off air, when 25 DEG C of polymerisations 48 are small to get.
It is further preferred that instill silicone oil so that silicone oil is covered in mixed liquor surface.
It is further preferred that nano silicon dioxide sol, tetramethyl ammonium hydroxide solution, 3- (methacryloxypropyl) propyl
The mass volume ratio of trimethoxy silane, acrylamide, N ', N '-tetramethylethylenediamine and potassium peroxydisulfate is 1g：25μL：180μ
L：2.5g：24μL：0.005g；Wherein, the mass concentration of nano silicon dioxide sol is 10%, tetramethyl ammonium hydroxide solution
Mass concentration is 25%.
Still more preferably, the nano silicon dioxide sol is prepared by the following method to obtain：By ethyl alcohol, go
Ionized water, ethyl orthosilicate and concentrated ammonia liquor (mass concentration 28%) are according to volume ratio 250：20：55：1.7 mixing stir evenly, and are heated to
When 63 DEG C of reactions 5 are small, revolving removes ethyl alcohol, is filtered with 0.22 μm of filter paper, adds in deionized water mixed preparing and obtains mass concentration
10% nano silicon dioxide sol.
Preferably, in step (1) and step (2), the propylene of 3- (methacryloxypropyl) propyl trimethoxy silicane modification
The preparation method of acid esters lotion is as follows：By 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylic acid ester emulsion according to matter
Measure ratio 5~6：10 be mixed 7~8 it is small when to get.
Preferably, in step (2), the acrylic acid ester emulsion of 3- (methacryloxypropyl) propyl trimethoxy silicane modification,
The mass ratio of sodium metaphosphate and hydrogel is 30~40：3~5：100.
Preferably, surface gelatinization processing is carried out by adding in ionic compound in step (3), the ionic compound is sulphur
Sour aluminium.
Preferably, in step (3), the mass ratio of color tablets and protecting colloid is 1：0.2~0.3.
The present invention also provides a kind of aqueous imitation marble paints, are obtained by above-mentioned preparation method.
The invention has the advantages that：
1st, it is of the invention by color stuffing and nanometer lanthanum hexaboride, aqueous acrylic emulsion, polymethyl methacrylate, 3- (first
Base acryloyl-oxy) acrylic acid ester emulsion etc. that is modified of propyl trimethoxy silicane is mixed and made into color tablets, utilize 3- (methacryls
Oxygen) propyl trimethoxy silicane be modified acrylic acid ester emulsion and sodium metaphosphate add in hydrogel in, protecting colloid is made, finally
It is handled by the mixing shearing and surface gelatinization of color tablets and protecting colloid, obtains aqueous color tablets, be a kind of aqueous product, wave
Hair property organic compound (VOC) content is low, meets environmental protection standard (far superior to national standard), while also has excellent film forming
Performance and heat-proof quality.
The present invention can obtain monochromatic aqueous color tablets using a kind of color stuffing, according to specific requirement different face be selected to fill out during use
Corresponding monochromatic aqueous color tablets collocation mixing, can obtain the painting with marbling effect of different requirements made of material after spraying
Film.
2nd, hydrogel be using nano silicon dioxide, 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylamide as
Raw material is made, and acrylic emulsion is through the modified addition hydrogel of 3- (methacryloxypropyl) propyl trimethoxy silicane, due to altogether
Same 3- (methacryloxypropyl) propyl trimethoxy silicane exists, and made protecting colloid has preferably internal netted friendship
It is coupled structure, color tablets can be preferably fixed on wherein, coating system is more stablized, and filming performance and heat-proof quality are more preferably.
3rd, the acrylic acid ester emulsion of 3- (methacryloxypropyl) propyl trimethoxy silicane modification is added in color tablets,
Contain identical segment with protecting colloid so that color tablets and the combination power of protecting colloid are stronger, are conducive to the monolithic stability of coating
Property, filming performance and heat-proof quality are more preferably.
4th, nanometer lanthanum hexaboride, polymethyl methacrylate and modified acrylate emulsion in color tablets etc. is to far and near red
Outside line is different with the reflected waveband of ultraviolet light, has better reflective insulation performance after compounding.
5th, the control of the mass ratio of color tablets and protecting colloid is 1：0.2~0.3, protecting colloid is very few, to the stationarity of color tablets
Not enough, the stability of coating is influenced；Protecting colloid is excessive, can influence the release of color tablets effect, can influence the film of coating
Energy and heat-proof quality.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
The present invention is further detailed explanation below.
Specific embodiment
The embodiment of the present invention is described in detail below, but the present invention can be limited and covered according to claim
Multitude of different ways implement.
Embodiment 1：
A kind of preparation method of aqueous imitation marble paint, is as follows：
(1) by color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water mixed grinding, aqueous acrylamide yogurt is added in
The acrylic acid ester emulsion that liquid, polymethyl methacrylate, 3- (methacryloxypropyl) propyl trimethoxy silicane are modified, obtains color
Grain, it is spare；
(2) using nano silicon dioxide, 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylamide as raw material, system
Into hydrogel, the acrylic acid ester emulsion and sodium metaphosphate for being then modified 3- (methacryloxypropyl) propyl trimethoxy silicane add
Enter in hydrogel, obtain protecting colloid, it is spare；
(3) color tablets obtained by step (1) with protecting colloid obtained by step (2) are mixed respectively and sheared, carry out surface glue
Change is handled, and obtains aqueous color tablets.
Wherein, in step (1), color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water, aqueous acrylamide yogurt
The quality for the acrylic acid ester emulsion that liquid, polymethyl methacrylate and 3- (methacryloxypropyl) propyl trimethoxy silicane are modified
Than for 1：1：0.02：1.2：2：1：0.4.
In step (1), median is ground to below 30 μm.
In step (2), the preparation method of hydrogel is as follows：By nano silicon dioxide sol, tetramethyl ammonium hydroxide solution
It is uniformly mixed, then adds in 3- (methacryloxypropyl) propyl trimethoxy silicane, when ice bath 6 is small, add in acrylamide, lead to nitrogen
Gas 15 minutes adds in N ', N '-tetramethylethylenediamine and potassium peroxydisulfate, is then transferred to mixed liquor in polymerization pipe rapidly, instills silicon
Oil so that mixed liquor isolation air, when 25 DEG C of polymerisations 48 are small to get.
Nano silicon dioxide sol, tetramethyl ammonium hydroxide solution, 3- (methacryloxypropyl) propyl trimethoxy silicane,
The mass volume ratio of acrylamide, N ', N '-tetramethylethylenediamine and potassium peroxydisulfate is 1g：25μL：180μL：2.5g：24μL：
0.005g；Wherein, the mass concentration of nano silicon dioxide sol is 10%, and the mass concentration of tetramethyl ammonium hydroxide solution is
25%.
Nano silicon dioxide sol is prepared by the following method to obtain：By ethyl alcohol, deionized water, ethyl orthosilicate and
Concentrated ammonia liquor (mass concentration 28%) is according to volume ratio 250：20：55：1.7 mixing stir evenly, be heated to 63 DEG C reaction 5 it is small when, revolving
Ethyl alcohol is removed, is filtered with 0.22 μm of filter paper, deionized water mixed preparing is added in and obtains the nano silicon dioxide of mass concentration 10%
Colloidal sol.
In step (1) and step (2), the acrylic acid ester emulsion of 3- (methacryloxypropyl) propyl trimethoxy silicane modification
Preparation method it is as follows：By 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylic acid ester emulsion according to mass ratio 5：10
Be mixed 7 it is small when to get.
In step (2), acrylic acid ester emulsion, the sodium metaphosphate of the modification of 3- (methacryloxypropyl) propyl trimethoxy silicane
Mass ratio with hydrogel is 30：3：100.
Surface gelatinization processing is carried out by adding in ionic compound in step (3), the ionic compound is aluminum sulfate.
In step (3), the mass ratio of color tablets and protecting colloid is 1：0.2.
A kind of aqueous imitation marble paint, is obtained by above-mentioned preparation method.
The shelf-life of above-mentioned coating was at 36 months or more.
Embodiment 2：
A kind of preparation method of aqueous imitation marble paint, is as follows：
(1) by color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water mixed grinding, aqueous acrylamide yogurt is added in
The acrylic acid ester emulsion that liquid, polymethyl methacrylate, 3- (methacryloxypropyl) propyl trimethoxy silicane are modified, obtains color
Grain, it is spare；
(2) using nano silicon dioxide, 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylamide as raw material, system
Into hydrogel, the acrylic acid ester emulsion and sodium metaphosphate for being then modified 3- (methacryloxypropyl) propyl trimethoxy silicane add
Enter in hydrogel, obtain protecting colloid, it is spare；
(3) color tablets obtained by step (1) with protecting colloid obtained by step (2) are mixed respectively and sheared, carry out surface glue
Change is handled, and obtains aqueous color tablets.
Wherein, in step (1), color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water, aqueous acrylamide yogurt
The quality for the acrylic acid ester emulsion that liquid, polymethyl methacrylate and 3- (methacryloxypropyl) propyl trimethoxy silicane are modified
Than for 1：2：0.03：1.4：3：2：0.6.
In step (1), median is ground to below 30 μm.
In step (2), the preparation method of hydrogel is as follows：By nano silicon dioxide sol, tetramethyl ammonium hydroxide solution
It is uniformly mixed, then adds in 3- (methacryloxypropyl) propyl trimethoxy silicane, when ice bath 6 is small, add in acrylamide, lead to nitrogen
Gas 15 minutes adds in N ', N '-tetramethylethylenediamine and potassium peroxydisulfate, is then transferred to mixed liquor in polymerization pipe rapidly, instills silicon
Oil so that mixed liquor isolation air, when 25 DEG C of polymerisations 48 are small to get.
Nano silicon dioxide sol, tetramethyl ammonium hydroxide solution, 3- (methacryloxypropyl) propyl trimethoxy silicane,
The mass volume ratio of acrylamide, N ', N '-tetramethylethylenediamine and potassium peroxydisulfate is 1g：25μL：180μL：2.5g：24μL：
0.005g；Wherein, the mass concentration of nano silicon dioxide sol is 10%, and the mass concentration of tetramethyl ammonium hydroxide solution is
25%.
Nano silicon dioxide sol is prepared by the following method to obtain：By ethyl alcohol, deionized water, ethyl orthosilicate and
Concentrated ammonia liquor (mass concentration 28%) is according to volume ratio 250：20：55：1.7 mixing stir evenly, be heated to 63 DEG C reaction 5 it is small when, revolving
Ethyl alcohol is removed, is filtered with 0.22 μm of filter paper, deionized water mixed preparing is added in and obtains the nano silicon dioxide of mass concentration 10%
Colloidal sol.
In step (1) and step (2), the acrylic acid ester emulsion of 3- (methacryloxypropyl) propyl trimethoxy silicane modification
Preparation method it is as follows：By 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylic acid ester emulsion according to mass ratio 6：10
Be mixed 8 it is small when to get.
In step (2), acrylic acid ester emulsion, the sodium metaphosphate of the modification of 3- (methacryloxypropyl) propyl trimethoxy silicane
Mass ratio with hydrogel is 40：5：100.
Surface gelatinization processing is carried out by adding in ionic compound in step (3), the ionic compound is aluminum sulfate.
In step (3), the mass ratio of color tablets and protecting colloid is 1：0.3.
A kind of aqueous imitation marble paint, is obtained by above-mentioned preparation method.
The shelf-life of above-mentioned coating was at 36 months or more.
Embodiment 3：
A kind of preparation method of aqueous imitation marble paint, is as follows：
(1) by color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water mixed grinding, aqueous acrylamide yogurt is added in
The acrylic acid ester emulsion that liquid, polymethyl methacrylate, 3- (methacryloxypropyl) propyl trimethoxy silicane are modified, obtains color
Grain, it is spare；
(2) using nano silicon dioxide, 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylamide as raw material, system
Into hydrogel, the acrylic acid ester emulsion and sodium metaphosphate for being then modified 3- (methacryloxypropyl) propyl trimethoxy silicane add
Enter in hydrogel, obtain protecting colloid, it is spare；
(3) color tablets obtained by step (1) with protecting colloid obtained by step (2) are mixed respectively and sheared, carry out surface glue
Change is handled, and obtains aqueous color tablets.
Wherein, in step (1), color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water, aqueous acrylamide yogurt
The quality for the acrylic acid ester emulsion that liquid, polymethyl methacrylate and 3- (methacryloxypropyl) propyl trimethoxy silicane are modified
Than for 1：1.5：0.025：1.3：2.5：1.5：0.5.
In step (1), median is ground to below 30 μm.
In step (2), the preparation method of hydrogel is as follows：By nano silicon dioxide sol, tetramethyl ammonium hydroxide solution
It is uniformly mixed, then adds in 3- (methacryloxypropyl) propyl trimethoxy silicane, when ice bath 6 is small, add in acrylamide, lead to nitrogen
Gas 15 minutes adds in N ', N '-tetramethylethylenediamine and potassium peroxydisulfate, is then transferred to mixed liquor in polymerization pipe rapidly, instills silicon
Oil so that mixed liquor isolation air, when 25 DEG C of polymerisations 48 are small to get.
Nano silicon dioxide sol, tetramethyl ammonium hydroxide solution, 3- (methacryloxypropyl) propyl trimethoxy silicane,
The mass volume ratio of acrylamide, N ', N '-tetramethylethylenediamine and potassium peroxydisulfate is 1g：25μL：180μL：2.5g：24μL：
0.005g；Wherein, the mass concentration of nano silicon dioxide sol is 10%, and the mass concentration of tetramethyl ammonium hydroxide solution is
25%.
Nano silicon dioxide sol is prepared by the following method to obtain：By ethyl alcohol, deionized water, ethyl orthosilicate and
Concentrated ammonia liquor (mass concentration 28%) is according to volume ratio 250：20：55：1.7 mixing stir evenly, be heated to 63 DEG C reaction 5 it is small when, revolving
Ethyl alcohol is removed, is filtered with 0.22 μm of filter paper, deionized water mixed preparing is added in and obtains the nano silicon dioxide of mass concentration 10%
Colloidal sol.
In step (1) and step (2), the acrylic acid ester emulsion of 3- (methacryloxypropyl) propyl trimethoxy silicane modification
Preparation method it is as follows：By 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylic acid ester emulsion according to mass ratio 5.5：
10 be mixed 7.5 it is small when to get.
In step (2), acrylic acid ester emulsion, the sodium metaphosphate of the modification of 3- (methacryloxypropyl) propyl trimethoxy silicane
Mass ratio with hydrogel is 35：4：100.
Surface gelatinization processing is carried out by adding in ionic compound in step (3), the ionic compound is aluminum sulfate.
In step (3), the mass ratio of color tablets and protecting colloid is 1：0.25.
A kind of aqueous imitation marble paint, is obtained by above-mentioned preparation method.
The shelf-life of above-mentioned coating was at 36 months or more.
Comparative example 1
A kind of preparation method of aqueous imitation marble paint, is as follows：
(1) by color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water mixed grinding, aqueous acrylamide yogurt is added in
Liquid, polymethyl methacrylate, acrylic acid ester emulsion obtain color tablets, spare；
(2) using nano silicon dioxide, 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylamide as raw material, system
Into hydrogel, then acrylic acid ester emulsion and sodium metaphosphate are added in hydrogel, obtain protecting colloid, it is spare；
(3) color tablets obtained by step (1) with protecting colloid obtained by step (2) are mixed respectively and sheared, carry out surface glue
Change is handled, and obtains aqueous color tablets.
Wherein, in step (1), color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water, aqueous acrylamide yogurt
The mass ratio of liquid, polymethyl methacrylate and acrylic acid ester emulsion is 1：1.5：0.025：1.3：2.5：1.5：0.5.
In step (1), median is ground to below 30 μm.
In step (2), the preparation method of hydrogel is as follows：By nano silicon dioxide sol, tetramethyl ammonium hydroxide solution
It is uniformly mixed, then adds in 3- (methacryloxypropyl) propyl trimethoxy silicane, when ice bath 6 is small, add in acrylamide, lead to nitrogen
Gas 15 minutes adds in N ', N '-tetramethylethylenediamine and potassium peroxydisulfate, is then transferred to mixed liquor in polymerization pipe rapidly, instills silicon
Oil so that mixed liquor isolation air, when 25 DEG C of polymerisations 48 are small to get.
Nano silicon dioxide sol, tetramethyl ammonium hydroxide solution, 3- (methacryloxypropyl) propyl trimethoxy silicane,
The mass volume ratio of acrylamide, N ', N '-tetramethylethylenediamine and potassium peroxydisulfate is 1g：25μL：180μL：2.5g：24μL：
0.005g；Wherein, the mass concentration of nano silicon dioxide sol is 10%, and the mass concentration of tetramethyl ammonium hydroxide solution is
25%.
Nano silicon dioxide sol is prepared by the following method to obtain：By ethyl alcohol, deionized water, ethyl orthosilicate and
Concentrated ammonia liquor (mass concentration 28%) is according to volume ratio 250：20：55：1.7 mixing stir evenly, be heated to 63 DEG C reaction 5 it is small when, revolving
Ethyl alcohol is removed, is filtered with 0.22 μm of filter paper, deionized water mixed preparing is added in and obtains the nano silicon dioxide of mass concentration 10%
Colloidal sol.
In step (2), the mass ratio of acrylic acid ester emulsion, sodium metaphosphate and hydrogel is 35：4：100.
Surface gelatinization processing is carried out by adding in ionic compound in step (3), the ionic compound is aluminum sulfate.
In step (3), the mass ratio of color tablets and protecting colloid is 1：0.25.
A kind of aqueous imitation marble paint, is obtained by above-mentioned preparation method.
The shelf-life of above-mentioned coating is 12 months.
Comparative example 2
A kind of preparation method of aqueous imitation marble paint, is as follows：
(1) by color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water mixed grinding, aqueous acrylamide yogurt is added in
The acrylic acid ester emulsion that liquid, polymethyl methacrylate, 3- (methacryloxypropyl) propyl trimethoxy silicane are modified, obtains color
Grain, it is spare；
(2) with aluminium metaphosphate and deionized water according to mass ratio 0.8：10 are mixed and made into hydrogel, then by 3- (methyl-props
Alkene acyl-oxygen) propyl trimethoxy silicane be modified acrylic acid ester emulsion and sodium metaphosphate add in hydrogel in, obtain protecting colloid,
It is spare；
(3) color tablets obtained by step (1) with protecting colloid obtained by step (2) are mixed respectively and sheared, carry out surface glue
Change is handled, and obtains aqueous color tablets.
Wherein, in step (1), color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water, aqueous acrylamide yogurt
The quality for the acrylic acid ester emulsion that liquid, polymethyl methacrylate and 3- (methacryloxypropyl) propyl trimethoxy silicane are modified
Than for 1：1.5：0.025：1.3：2.5：1.5：0.5.
In step (1), median is ground to below 30 μm.
In step (1) and step (2), the acrylic acid ester emulsion of 3- (methacryloxypropyl) propyl trimethoxy silicane modification
Preparation method it is as follows：By 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylic acid ester emulsion according to mass ratio 5.5：
10 be mixed 7.5 it is small when to get.
In step (2), acrylic acid ester emulsion, the sodium metaphosphate of the modification of 3- (methacryloxypropyl) propyl trimethoxy silicane
Mass ratio with hydrogel is 35：4：100.
Surface gelatinization processing is carried out by adding in ionic compound in step (3), the ionic compound is aluminum sulfate.
In step (3), the mass ratio of color tablets and protecting colloid is 1：0.25.
A kind of aqueous imitation marble paint, is obtained by above-mentioned preparation method.
The shelf-life of above-mentioned coating is 12 months.
Comparative example 3
A kind of preparation method of aqueous imitation marble paint, is as follows：
(1) by color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water mixed grinding, aqueous acrylamide yogurt is added in
The acrylic acid ester emulsion that liquid, polymethyl methacrylate, 3- (methacryloxypropyl) propyl trimethoxy silicane are modified, obtains color
Grain, it is spare；
(2) using nano silicon dioxide, 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylamide as raw material, system
Into hydrogel, the acrylic acid ester emulsion and sodium metaphosphate for being then modified 3- (methacryloxypropyl) propyl trimethoxy silicane add
Enter in hydrogel, obtain protecting colloid, it is spare；
(3) color tablets obtained by step (1) with protecting colloid obtained by step (2) are mixed respectively and sheared, carry out surface glue
Change is handled, and obtains aqueous color tablets.
Wherein, in step (1), color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water, aqueous acrylamide yogurt
The quality for the acrylic acid ester emulsion that liquid, polymethyl methacrylate and 3- (methacryloxypropyl) propyl trimethoxy silicane are modified
Than for 1：1.5：0.025：1.3：2.5：1.5：0.5.
In step (1), median is ground to below 30 μm.
In step (2), the preparation method of hydrogel is as follows：By nano silicon dioxide sol, tetramethyl ammonium hydroxide solution
It is uniformly mixed, then adds in 3- (methacryloxypropyl) propyl trimethoxy silicane, when ice bath 6 is small, add in acrylamide, lead to nitrogen
Gas 15 minutes adds in N ', N '-tetramethylethylenediamine and potassium peroxydisulfate, is then transferred to mixed liquor in polymerization pipe rapidly, instills silicon
Oil so that mixed liquor isolation air, when 25 DEG C of polymerisations 48 are small to get.
Nano silicon dioxide sol, tetramethyl ammonium hydroxide solution, 3- (methacryloxypropyl) propyl trimethoxy silicane,
The mass volume ratio of acrylamide, N ', N '-tetramethylethylenediamine and potassium peroxydisulfate is 1g：25μL：180μL：2.5g：24μL：
0.005g；Wherein, the mass concentration of nano silicon dioxide sol is 10%, and the mass concentration of tetramethyl ammonium hydroxide solution is
25%.
Nano silicon dioxide sol is prepared by the following method to obtain：By ethyl alcohol, deionized water, ethyl orthosilicate and
Concentrated ammonia liquor (mass concentration 28%) is according to volume ratio 250：20：55：1.7 mixing stir evenly, be heated to 63 DEG C reaction 5 it is small when, revolving
Ethyl alcohol is removed, is filtered with 0.22 μm of filter paper, deionized water mixed preparing is added in and obtains the nano silicon dioxide of mass concentration 10%
Colloidal sol.
In step (1) and step (2), the acrylic acid ester emulsion of 3- (methacryloxypropyl) propyl trimethoxy silicane modification
Preparation method it is as follows：By 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylic acid ester emulsion according to mass ratio 5.5：
10 be mixed 7.5 it is small when to get.
In step (2), acrylic acid ester emulsion, the sodium metaphosphate of the modification of 3- (methacryloxypropyl) propyl trimethoxy silicane
Mass ratio with hydrogel is 35：4：100.
Surface gelatinization processing is carried out by adding in ionic compound in step (3), the ionic compound is aluminum sulfate.
In step (3), the mass ratio of color tablets and protecting colloid is 1：0.1.
A kind of aqueous imitation marble paint, is obtained by above-mentioned preparation method.
The shelf-life of above-mentioned coating is 24 months.
Comparative example 4
A kind of preparation method of aqueous imitation marble paint, is as follows：
(1) by color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water mixed grinding, aqueous acrylamide yogurt is added in
The acrylic acid ester emulsion that liquid, polymethyl methacrylate, 3- (methacryloxypropyl) propyl trimethoxy silicane are modified, obtains color
Grain, it is spare；
(2) using nano silicon dioxide, 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylamide as raw material, system
Into hydrogel, the acrylic acid ester emulsion and sodium metaphosphate for being then modified 3- (methacryloxypropyl) propyl trimethoxy silicane add
Enter in hydrogel, obtain protecting colloid, it is spare；
(3) color tablets obtained by step (1) with protecting colloid obtained by step (2) are mixed respectively and sheared, carry out surface glue
Change is handled, and obtains aqueous color tablets.
Wherein, in step (1), color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water, aqueous acrylamide yogurt
The quality for the acrylic acid ester emulsion that liquid, polymethyl methacrylate and 3- (methacryloxypropyl) propyl trimethoxy silicane are modified
Than for 1：1.5：0.025：1.3：2.5：1.5：0.5.
In step (1), median is ground to below 30 μm.
In step (2), the preparation method of hydrogel is as follows：By nano silicon dioxide sol, tetramethyl ammonium hydroxide solution
It is uniformly mixed, then adds in 3- (methacryloxypropyl) propyl trimethoxy silicane, when ice bath 6 is small, add in acrylamide, lead to nitrogen
Gas 15 minutes adds in N ', N '-tetramethylethylenediamine and potassium peroxydisulfate, is then transferred to mixed liquor in polymerization pipe rapidly, instills silicon
Oil so that mixed liquor isolation air, when 25 DEG C of polymerisations 48 are small to get.
Nano silicon dioxide sol, tetramethyl ammonium hydroxide solution, 3- (methacryloxypropyl) propyl trimethoxy silicane,
The mass volume ratio of acrylamide, N ', N '-tetramethylethylenediamine and potassium peroxydisulfate is 1g：25μL：180μL：2.5g：24μL：
0.005g；Wherein, the mass concentration of nano silicon dioxide sol is 10%, and the mass concentration of tetramethyl ammonium hydroxide solution is
25%.
Nano silicon dioxide sol is prepared by the following method to obtain：By ethyl alcohol, deionized water, ethyl orthosilicate and
Concentrated ammonia liquor (mass concentration 28%) is according to volume ratio 250：20：55：1.7 mixing stir evenly, be heated to 63 DEG C reaction 5 it is small when, revolving
Ethyl alcohol is removed, is filtered with 0.22 μm of filter paper, deionized water mixed preparing is added in and obtains the nano silicon dioxide of mass concentration 10%
Colloidal sol.
In step (1) and step (2), the acrylic acid ester emulsion of 3- (methacryloxypropyl) propyl trimethoxy silicane modification
Preparation method it is as follows：By 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylic acid ester emulsion according to mass ratio 5.5：
10 be mixed 7.5 it is small when to get.
In step (2), acrylic acid ester emulsion, the sodium metaphosphate of the modification of 3- (methacryloxypropyl) propyl trimethoxy silicane
Mass ratio with hydrogel is 35：4：100.
Surface gelatinization processing is carried out by adding in ionic compound in step (3), the ionic compound is aluminum sulfate.
In step (3), the mass ratio of color tablets and protecting colloid is 1：0.4.
A kind of aqueous imitation marble paint, is obtained by above-mentioned preparation method.
The shelf-life of above-mentioned coating was at 36 months or more.
Test example
Investigate all technical of the coating of Examples 1 to 3 or comparative example 1~4.It is applied respectively on 3mm stainless steel plates
Work spraying (coating thickness is 100 μm), test forms the adhesion strength of film, and measures VOC according to GB/T 23985-2009 and contain
Amount, GB/T 25261-2010 test sun luminous reflectance, hemispherical emissivity, GJB 1201.1-91 test thermal conductivity factors, as a result
It is shown in Table 1.
1. coating property of table compares
As shown in Table 1, the paint adhesion intensity of Examples 1 to 3 is big, has good filming performance, VOC content is low, ring
Guarantor property is good, and sun luminous reflectance and hemispherical emissivity are high, and thermal conductivity factor is low, reflective insulation excellent performance.Comparative example 1 is by 3- (methyl
Acryloyl-oxy) propyl trimethoxy silicane modification replaces with and is not modified, and comparative example 2 is by water-setting made of nano silicon dioxide etc.
Glue replaces with hydrogel made of aluminium metaphosphate, and comparative example 3 reduces protecting colloid dosage, and comparative example 4 adds protecting colloid
Dosage affects the filming performance of coating and reflective insulation performance to varying degrees.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of preparation method of aqueous imitation marble paint, which is characterized in that be as follows：
(1) by color stuffing, nanometer lanthanum hexaboride, butyl glycol ether, deionized water mixed grinding, add in aqueous acrylic emulsion,
The acrylic acid ester emulsion that polymethyl methacrylate, 3- (methacryloxypropyl) propyl trimethoxy silicane are modified, obtains color tablets,
It is spare；
(2) using nano silicon dioxide, 3- (methacryloxypropyl) propyl trimethoxy silicanes and acrylamide as raw material, water is made
Gel, the acrylic acid ester emulsion and sodium metaphosphate for being then modified 3- (methacryloxypropyl) propyl trimethoxy silicane add in water
In gel, protecting colloid is obtained, it is spare；
(3) color tablets obtained by step (1) with protecting colloid obtained by step (2) are mixed respectively and sheared, carried out at the gelatinization of surface
Reason, obtains aqueous color tablets.
2. preparation method according to claim 1, which is characterized in that in step (1), color stuffing, nanometer lanthanum hexaboride, second
Glycol butyl ether, deionized water, aqueous acrylic emulsion, polymethyl methacrylate and 3- (methacryloxypropyl) propyl trimethoxy
The mass ratio for the acrylic acid ester emulsion that base silane is modified is 1：1~2：0.02~0.03：1.2~1.4：2~3：1~2：0.4~
0.6。
3. preparation method according to claim 1, which is characterized in that in step (2), the preparation method of hydrogel is as follows：
Nano silicon dioxide sol, tetramethyl ammonium hydroxide solution are uniformly mixed, then add in 3- (methacryloxypropyl) propyl three
Methoxy silane when ice bath 6 is small, adds in acrylamide, leads to nitrogen 15 minutes, adds in N ', N '-tetramethylethylenediamine and persulfuric acid
Then mixed liquor is transferred in polymerization pipe rapidly by potassium, instill silicone oil and mixed liquor is caused to completely cut off air, 25 DEG C of polymerisations 48 are small
When to get.
4. preparation method according to claim 3, which is characterized in that nano silicon dioxide sol, tetramethylammonium hydroxide
Solution, 3- (methacryloxypropyl) propyl trimethoxy silicane, acrylamide, N ', N '-tetramethylethylenediamine and potassium peroxydisulfate
Mass volume ratio is 1g：25μL：180μL：2.5g：24μL：0.005g；Wherein, the mass concentration of nano silicon dioxide sol is
10%, the mass concentration of tetramethyl ammonium hydroxide solution is 25%.
5. preparation method according to claim 3, which is characterized in that the nano silicon dioxide sol is by with lower section
What method was prepared：By ethyl alcohol, deionized water, ethyl orthosilicate and concentrated ammonia liquor according to volume ratio 250：20：55：1.7 mixing are stirred
It is even, be heated to 63 DEG C of reactions 5 it is small when, revolving removes ethyl alcohol, is filtered with 0.22 μm of filter paper, adds in deionized water mixed preparing and obtains
The nano silicon dioxide sol of mass concentration 10%.
6. preparation method according to claim 1, which is characterized in that in step (1) and step (2), 3- (methacryls
Oxygen) propyl trimethoxy silicane be modified acrylic acid ester emulsion preparation method it is as follows：By 3- (methacryloxypropyl) propyl three
Methoxy silane is with acrylic acid ester emulsion according to mass ratio 5~6：10 be mixed 7~8 it is small when to get.
7. preparation method according to claim 1, which is characterized in that in step (2), 3- (methacryloxypropyl) propyl three
The mass ratio of acrylic acid ester emulsion, sodium metaphosphate and hydrogel that methoxy silane is modified is 30~40：3~5：100.
8. preparation method according to claim 1, which is characterized in that carried out in step (3) by adding in ionic compound
Surface gelatinization processing, the ionic compound are aluminum sulfate.
9. preparation method according to claim 1, which is characterized in that in step (3), the mass ratio of color tablets and protecting colloid
For 1：0.2~0.3.
10. a kind of aqueous imitation marble paint, which is characterized in that be by preparation side according to any one of claims 1 to 9
What method obtained.
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|---|---|---|---|---|
| CN101967329A (en) * | 2009-07-28 | 2011-02-09 | 上海汇丽涂料有限公司 | Water-based colorful imitation marble paint |
| CN102181196A (en) * | 2011-01-24 | 2011-09-14 | 张兴艺 | Water-in-water colorful stone simulated paint |
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| CN106519126A (en) * | 2016-10-27 | 2017-03-22 | 华南理工大学 | Fluorosilicone-modified polyacrylate emulsion as well as preparing method and application thereof |
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2017
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| CN101967329A (en) * | 2009-07-28 | 2011-02-09 | 上海汇丽涂料有限公司 | Water-based colorful imitation marble paint |
| CN102181196A (en) * | 2011-01-24 | 2011-09-14 | 张兴艺 | Water-in-water colorful stone simulated paint |
| CN105505060A (en) * | 2015-12-31 | 2016-04-20 | 长沙民德消防工程涂料有限公司 | Water-based nano reflection and heat insulation transparent coating and preparation method thereof |
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