CN108485353B - Water-based fluorescent paint, preparation method thereof and application thereof in aerosol - Google Patents
Water-based fluorescent paint, preparation method thereof and application thereof in aerosol Download PDFInfo
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Abstract
The invention belongs to the technical field of fluorescent paint preparation, and particularly relates to a water-based fluorescent paint, a preparation method thereof and application thereof in aerosol. The water-based fluorescent paint consists of water-based alkyd modified acrylic resin, polyether modified silicone oil, tripropylene glycol butyl ether, ethanol, water-based fluorescent pigment, water-soluble polyvinyl alcohol, cetyl trimethyl ammonium bromide, an active silver ion antibacterial solution, morpholine, ammonia water and water. The hexadecyl trimethyl ammonium bromide in the water-based fluorescent paint can be used with silver ions to cooperatively enhance the fluorescent effect of the fluorescent paint, the fluorescence intensity of the obtained water-based fluorescent paint is as high as 1782-2136 AU, the water-based fluorescent paint has good antimicrobial property and defoaming property, and when the water-based fluorescent paint is used in an aerosol, a paint film which is good in film forming property, acid and alkali resistance, good in weather resistance and ultraviolet resistance, good in adhesive force, high in glossiness and smooth can be obtained.
Description
Technical Field
The invention belongs to the technical field of fluorescent paint preparation, and particularly relates to a water-based fluorescent paint, a preparation method thereof and application thereof in aerosol.
Background
The fluorescent aerosol has the characteristics of bright color, high color purity, convenient use and the like, and is widely applied to the fields of industry, home decoration, traffic and the like. The fluorescence effect of the fluorescent aerosol is generated by a fluorescent substance in which, when a high-energy short-wavelength optical fiber is incident into the fluorescent substance, electrons in the fluorescent substance absorb energy and transit from a ground state to a high energy level, and the electrons are unstable at the high energy level and transit from the high energy level to a low energy level, so that the energy is released in the form of fluorescence. At present, the main popular fluorescent aerosol in the market is an oily aerosol taking benzenes, ketones and esters as solvents, and the solvents can volatilize into the air in the using process to cause serious environmental pollution, so that the development of an aqueous fluorescent aerosol is urgently needed under the condition that the environmental protection requirement is gradually improved. In addition, the fluorescence intensity of the fluorescence aerosol popular in the market at present is low, and along with the development of industry and the improvement of the requirements of people on chemical products, the fluorescence intensity of the fluorescence aerosol at present can not meet the high-end requirements of customers.
Disclosure of Invention
To overcome the disadvantages and shortcomings of the prior art, the primary object of the present invention is to provide an aqueous fluorescent paint.
The invention also aims to provide a preparation method of the water-based fluorescent paint.
The invention further aims to provide the application of the water-based fluorescent paint in aerosol.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the water-based fluorescent paint comprises the following raw materials in percentage by mass: 20-45% of waterborne alkyd modified acrylic resin, 0.1-1.0% of polyether modified silicone oil, 2.5-10.5% of tripropylene glycol butyl ether, 10-30% of ethanol, 7-15% of waterborne fluorescent pigment, 0.2-1.5% of water-soluble polyvinyl alcohol, 1.0-5.0% of hexadecyl trimethyl ammonium bromide, 0.5-2.0% of active silver ion antibacterial solution, 0.5-2.0% of morpholine, 0.5-1.5% of ammonia water and the balance of water, wherein the total amount of the raw materials is 100%.
The waterborne alkyd modified acrylic resin is purchased from Qingdao Jinwanli fine chemical industry Co., Ltd, and has the trade name: 676.
the brand of the water-soluble polyvinyl alcohol is Chuanweipetrochemical, and the brand number is as follows: 2488.
the brand of the active silver ion antibacterial solution is Japan oasis, and the brand number is: AG + 25.
Preferably, the molecular weight of the waterborne alkyd modified acrylic resin is 20000-80000.
Preferably, the polyether modified silicone oil is a mixture of polyether modified silicone oils with more than two molecular weights.
More preferably, the molecular weight of the polyether modified silicone oil is 800-13000.
Preferably, the concentration of the active silver ion antibacterial solution is 35-50 wt.%.
Preferably, the concentration of the ammonia water is 50-75 wt.%.
Preferably, the water-based fluorescent paint consists of the following raw materials in percentage by mass: 25-40% of waterborne alkyd modified acrylic resin, 0.3-0.7% of polyether modified silicone oil, 4.5-8.5% of tripropylene glycol butyl ether, 15-25% of ethanol, 10% of waterborne fluorescent pigment, 1.0% of water-soluble polyvinyl alcohol, 2.0-4.0% of hexadecyl trimethyl ammonium bromide, 0.8-1.5% of active silver ion antibacterial solution, 2.0% of morpholine, 1.0% of ammonia water and the balance of water, wherein the total amount of the raw materials is 100%.
More preferably, the mass percent of the cetyl trimethyl ammonium bromide is 3.0%, and the mass percent of the active silver ion antibacterial solution is 1.0%. In this case, the aqueous fluorescent paint has the best fluorescence enhancement effect.
Further preferably, the water-based fluorescent paint consists of the following raw materials in percentage by mass: 35% of waterborne alkyd modified acrylic resin, 0.5% of polyether modified silicone oil, 6.5% of tripropylene glycol butyl ether, 20% of ethanol, 10% of waterborne fluorescent pigment, 1.0% of water-soluble polyvinyl alcohol, 3.0% of hexadecyl trimethyl ammonium bromide, 1.0% of active silver ion antibacterial solution, 2.0% of morpholine, 1.0% of ammonia water and the balance of water, wherein the total amount of the raw materials is 100%.
Preferably, the aqueous fluorescent pigment is one or more than two of fluorescent yellow, fluorescent green, fluorescent red or fluorescent blue.
Preferably, the water is deionized water.
The obtained fluorescent paint has slight ammonia smell and the specific gravity of 0.778-0.934 g/cm3The viscosity is 182 to 293 cps.
The invention further provides a preparation method of the water-based fluorescent paint, which comprises the following steps:
(1) mixing water, waterborne alkyd modified acrylic resin, ethanol and tripropylene glycol butyl ether, and stirring to dissolve to obtain a solution A;
(2) mixing the water-based fluorescent pigment, water-soluble polyvinyl alcohol, cetyl trimethyl ammonium bromide, polyether modified silicone oil and the active silver ion antibacterial solution, and stirring for dissolving to obtain a solution B;
(3) mixing the solution A and the solution B, and stirring for dissolving to obtain a solution C;
(4) and adding morpholine and ammonia water into the solution C, and stirring and dissolving to obtain the water-based fluorescent paint.
Preferably, the stirring and dissolving conditions in the step (1) are 1500-3000 r/s, the temperature is 20-40 ℃, and the time duration is 30-60 min.
Preferably, the stirring and dissolving conditions in the step (2) are 1500-3000 r/s, the temperature is 15-30 ℃, and the time duration is 20-40 min.
Preferably, the stirring and dissolving conditions in the step (3) are 1500-3000 r/s, the temperature is 15-30 ℃, and the time duration is 15-30 min.
Preferably, the stirring and dissolving conditions in the step (4) are 500-1500 r/s, the temperature is 15-30 ℃, and the time duration is 5-15 min.
The invention further provides an application of the water-based fluorescent paint in a water-based fluorescent aerosol.
An aqueous fluorescent aerosol comprises a propellant and the aqueous fluorescent paint.
Preferably, the propellant is dimethyl ether.
More preferably, the mass ratio of the propellant to the water-based fluorescent paint is 2: 1-1: 2.
Further preferably, the mass ratio of the propellant to the water-based fluorescent paint is 1.5: 1-1: 2.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) cetyl trimethyl ammonium bromide adopted by the water-based fluorescent paint has a hydrophobic effect, can wrap nano silver ions in an active silver ion antibacterial solution to form an aggregation effect, and enhances the fluorescence intensity of the fluorescent paint in cooperation with the silver ions, wherein the maximum fluorescence intensity of the obtained fluorescent paint is as high as 1782-2136 AU. In addition, the nano silver ions have a bactericidal effect, so that the water-based fluorescent paint has better antimicrobial property and the storage time is prolonged.
(2) The water-based fluorescent paint disclosed by the invention adopts the water-based alkyd modified acrylic resin as a film forming agent, and the obtained aerosol is sprayed on the surface of an object, so that the obtained water-based fluorescent paint has the advantages of good film forming property, acid and alkali resistance, good weather resistance and ultraviolet resistance, good film adhesion and high glossiness of 82-90.
(3) The polyether modified silicone oil adopted by the water-based fluorescent paint has various molecular weights and structures, and is a water-based defoaming agent with excellent effect.
(4) The water-based fluorescent paint disclosed by the invention adopts water-soluble polyvinyl alcohol, so that the obtained water-based fluorescent paint has excellent leveling property, and the paint film is more flat due to excellent paint film association effect.
(5) The cosolvent ethanol and the tripropylene glycol butyl ether adopted by the water-based fluorescent paint have moderate proportion, and can improve the solubility of the fluorescent pigment, so that the obtained water-based fluorescent paint is used for aerosol, and the surface drying time is only 50-75 min.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto. For process parameters not specifically noted, reference may be made to conventional techniques.
The polyether modified silicone oils used in the examples were mixtures of polyether modified silicone oils having various molecular weights and structures. The raw materials of the material comprise, by mass, 204A8 parts and 204B 2 parts. Wherein the molecular weight of 204A is 800-5000, and the viscosity is 600-1000 mPa.s; 204B has a molecular weight of 5000-13000 and a viscosity of 1000-2000 mPa.s. 204A and 204B are both available from saint-pont silicone technologies ltd.
Example 1
The embodiment provides a water-based fluorescent paint and a preparation method thereof:
the water-based fluorescent paint in the embodiment comprises the following raw materials in percentage by mass: 20% of waterborne alkyd modified acrylic resin, 0.1% of polyether modified silicone oil, 2.5% of tripropylene glycol butyl ether, 10% of ethanol, 10% of fluorescein, 1.0% of water-soluble polyvinyl alcohol, 1.0% of hexadecyl trimethyl ammonium bromide, 2.0% of 35 wt.% active silver ion antibacterial solution, 2.0% of morpholine, 1.0% of 50 wt.% ammonia water and the balance of deionized water, wherein the total amount of the raw materials is 100%.
The preparation process comprises the following steps:
(1) mixing deionized water, waterborne alkyd modified acrylic resin, ethanol and tripropylene glycol butyl ether, and stirring and dissolving for 45min at the temperature of 30 ℃ at 2500r/s to obtain a solution A;
(2) mixing fluorescein, water-soluble polyvinyl alcohol, hexadecyl trimethyl ammonium bromide, polyether modified silicone oil and an active silver ion antibacterial solution, and stirring and dissolving at 2000r/s and 25 ℃ for 30min to obtain a solution B;
(3) mixing the solution A and the solution B, and stirring and dissolving for 20min at 2000r/s and 20 ℃ to obtain a solution C;
(4) and adding morpholine and ammonia water into the solution C, and stirring and dissolving for 10min at the temperature of 25 ℃ at 1000r/s to obtain the water-based fluorescent paint.
The obtained fluorescent paint is yellow in fluorescence, slightly ammoniacal in smell and 0.934g/cm in specific gravity3The viscosity was 182 cps.
Example 2
The embodiment provides a water-based fluorescent paint and a preparation method thereof:
the water-based fluorescent paint in the embodiment comprises the following raw materials in percentage by mass: 25% of waterborne alkyd modified acrylic resin, 0.3% of polyether modified silicone oil, 4.5% of tripropylene glycol butyl ether, 15% of ethanol, 10% of fluorescent green, 1.0% of water-soluble polyvinyl alcohol, 2.0% of hexadecyl trimethyl ammonium bromide, 1.5% of 35 wt.% active silver ion antibacterial solution, 2.0% of morpholine, 1.0% of 50 wt.% ammonia water and the balance of deionized water, wherein the total amount of the raw materials is 100%.
The procedure was as in example 1.
The obtained fluorescent paint is fluorescent green, slightly ammoniacal, and has a specific gravity of 0.877g/cm3The viscosity was 205 cps.
Example 3
The embodiment provides a water-based fluorescent paint and a preparation method thereof:
the water-based fluorescent paint in the embodiment comprises the following raw materials in percentage by mass: 35% of waterborne alkyd modified acrylic resin, 0.5% of polyether modified silicone oil, 6.5% of tripropylene glycol butyl ether, 20% of ethanol, 10% of fluorescent red, 1.0% of water-soluble polyvinyl alcohol, 3.0% of hexadecyl trimethyl ammonium bromide, 1.0% of 35 wt.% active silver ion antibacterial solution, 2.0% of morpholine, 1.0% of 50 wt.% ammonia water and the balance of deionized water, wherein the total amount of the raw materials is 100%.
The procedure was as in example 1.
The obtained fluorescent paint is fluorescent red, slightly ammoniacal, and has a specific gravity of 0.833g/cm3The viscosity was 242 cps.
Example 4
The embodiment provides a water-based fluorescent paint and a preparation method thereof:
the water-based fluorescent paint in the embodiment comprises the following raw materials in percentage by mass: 40% of waterborne alkyd modified acrylic resin, 0.7% of polyether modified silicone oil, 8.5% of tripropylene glycol butyl ether, 25% of ethanol, 10% of fluorescent blue, 1.0% of water-soluble polyvinyl alcohol, 4.0% of hexadecyl trimethyl ammonium bromide, 0.8% of 35 wt.% active silver ion antibacterial solution, 2.0% of morpholine, 1.0% of 50 wt.% ammonia water and the balance of deionized water, wherein the total amount of the raw materials is 100%.
The procedure was as in example 1.
The obtained fluorescent paint is fluorescent blue, slightly ammoniacal, and has a specific gravity of 0.802g/cm3The viscosity was 268 cps.
Example 5
The embodiment provides a water-based fluorescent paint and a preparation method thereof:
the water-based fluorescent paint in the embodiment comprises the following raw materials in percentage by mass: 45% of waterborne alkyd modified acrylic resin, 1.0% of polyether modified silicone oil, 10.5% of tripropylene glycol butyl ether, 30% of ethanol, 10% of fluorescein, 1.0% of water-soluble polyvinyl alcohol, 5.0% of hexadecyl trimethyl ammonium bromide, 0.5% of 35 wt.% active silver ion antibacterial solution, 2.0% of morpholine, 1.0% of 50 wt.% ammonia water and the balance of deionized water, wherein the total amount of the raw materials is 100%.
The procedure was as in example 1.
The obtained fluorescent paint has yellow fluorescence, slight ammonia smell, and specific gravity of 0.778g/cm3The viscosity was 293 cps.
Example 6
This example uses example 3 as a comparative example, and provides a water-based fluorescent paint containing no active silver ion antibacterial solution and a preparation method thereof:
the water-based fluorescent paint in the embodiment comprises the following raw materials in percentage by mass: 35% of waterborne alkyd modified acrylic resin, 0.5% of polyether modified silicone oil, 6.5% of tripropylene glycol butyl ether, 20% of ethanol, 10% of fluorescein, 1.0% of water-soluble polyvinyl alcohol, 3.0% of hexadecyl trimethyl ammonium bromide, 2.0% of morpholine, 1.0% of ammonia water with the concentration of 50 wt.% and the balance of deionized water, wherein the total amount of the raw materials is 100%.
The preparation process comprises the following steps:
(1) mixing deionized water, waterborne alkyd modified acrylic resin, ethanol and tripropylene glycol butyl ether, and stirring and dissolving for 45min at the temperature of 30 ℃ at 2500r/s to obtain a solution A;
(2) mixing the mixture of the fluorescein, the water-soluble polyvinyl alcohol, the hexadecyl trimethyl ammonium bromide and the polyether modified silicone oil, and stirring and dissolving for 30min at 2000r/s and 25 ℃ to obtain a solution B;
(3) mixing the solution A and the solution B, and stirring and dissolving for 20min at 2000r/s and 20 ℃ to obtain a solution C;
(4) and adding morpholine and ammonia water into the solution C, and stirring and dissolving for 10min at the temperature of 25 ℃ at 1000r/s to obtain the water-based fluorescent paint.
The obtained fluorescent paint has yellow fluorescence, slight ammonia smell, and specific gravity of 0.838g/cm3The viscosity was 238 cp.
Example 7
This example uses example 3 as a comparative example, and provides an aqueous fluorescent paint containing no cetyltrimethylammonium bromide and a preparation method thereof:
the water-based fluorescent paint in the embodiment comprises the following raw materials in percentage by mass: 35% of waterborne alkyd modified acrylic resin, 0.5% of polyether modified silicone oil, 6.5% of tripropylene glycol butyl ether, 20% of ethanol, 10% of fluorescein, 1.0% of water-soluble polyvinyl alcohol, 1.0% of 35 wt.% active silver ion antibacterial solution, 2.0% of morpholine, 1.0% of 50 wt.% ammonia water and the balance of deionized water, wherein the total amount of the raw materials is 100%.
The preparation process comprises the following steps:
(1) mixing deionized water, waterborne alkyd modified acrylic resin, ethanol and tripropylene glycol butyl ether, and stirring and dissolving for 45min at the temperature of 30 ℃ at 2500r/s to obtain a solution A;
(2) mixing the fluorescein, the water-soluble polyvinyl alcohol, the active silver ion antibacterial solution and the polyether modified silicone oil, and stirring and dissolving for 30min at 2000r/s and 25 ℃ to obtain a solution B;
(3) mixing the solution A and the solution B, and stirring and dissolving for 20min at 2000r/s and 20 ℃ to obtain a solution C;
(4) and adding morpholine and ammonia water into the solution C, and stirring and dissolving for 10min at the temperature of 25 ℃ at 1000r/s to obtain the water-based fluorescent paint.
The obtained fluorescent paint has yellow fluorescence, slight ammonia smell, and specific gravity of 0.826g/cm3The viscosity was 240 cps.
Example 8
The embodiment provides the application effects of the water-based fluorescent paint:
the aqueous fluorescent paint obtained in examples 1 to 7 and dimethyl ether were mixed respectively according to the proportions shown in table 1 to prepare an aqueous fluorescent aerosol, and the drying time, paint film adhesion, gloss, fluorescence intensity and atomization effect of the aqueous fluorescent aerosol after use are shown in table 1. Wherein, the surface drying time is measured according to GB/T1728-1989B method (finger touch method), the actual drying time is measured according to GB/T1728-1989A method (filter-press paper method), the paint film adhesion is measured according to the paint film adhesion measuring method (circle drawing method) described by GB/T1720-79 (89), the glossiness is measured according to GB/T1743 (paint film glossiness measuring method), and the fluorescence intensity is measured by a fluorescence spectrometer. The existing oily fluorescent paint in the comparative example was a multifunctional fluorescent automatic paint provided by Guangdong free energy science and technology Co.
TABLE 1 application Effect of the aqueous fluorescent aerosol obtained in examples 1 to 7
TABLE 2 raw Material compositions of examples 1 to 7
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention and are equivalent to the replacement embodiments are included in the scope of the present invention.
Claims (10)
1. The water-based fluorescent paint is characterized by comprising the following raw materials in percentage by mass: 20-45% of waterborne alkyd modified acrylic resin, 0.1-1.0% of polyether modified silicone oil, 2.5-10.5% of tripropylene glycol butyl ether, 10-30% of ethanol, 7-15% of waterborne fluorescent pigment, 0.2-1.5% of water-soluble polyvinyl alcohol, 1.0-5.0% of hexadecyl trimethyl ammonium bromide, 0.5-2.0% of active silver ion antibacterial solution, 0.5-2.0% of morpholine, 0.5-1.5% of ammonia water and the balance of water, wherein the total amount of the raw materials is 100%.
2. The aqueous fluorescent paint according to claim 1, wherein:
the molecular weight of the waterborne alkyd modified acrylic resin is 20000-80000;
the polyether modified silicone oil is a mixture of more than two polyether modified silicone oils with molecular weights of 800-13000.
3. The aqueous fluorescent paint according to claim 1, wherein:
the concentration of the active silver ion antibacterial solution is 35-50 wt.%;
the concentration of the ammonia water is 50-75 wt.%.
4. The aqueous fluorescent paint according to claim 1, 2 or 3, characterized by consisting of the following raw materials in percentage by mass: 25-40% of waterborne alkyd modified acrylic resin, 0.3-0.7% of polyether modified silicone oil, 4.5-8.5% of tripropylene glycol butyl ether, 15-25% of ethanol, 10% of waterborne fluorescent pigment, 1.0% of water-soluble polyvinyl alcohol, 2.0-4.0% of hexadecyl trimethyl ammonium bromide, 0.8-1.5% of active silver ion antibacterial solution, 2.0% of morpholine, 1.0% of ammonia water and the balance of water, wherein the total amount of the raw materials is 100%.
5. The aqueous fluorescent paint according to claim 4, wherein: the mass percent of the hexadecyl trimethyl ammonium bromide is 3.0 percent, and the mass percent of the active silver ion antibacterial solution is 1.0 percent.
6. The water-based fluorescent paint according to claim 5, characterized by consisting of the following raw materials in percentage by mass: 35% of waterborne alkyd modified acrylic resin, 0.5% of polyether modified silicone oil, 6.5% of tripropylene glycol butyl ether, 20% of ethanol, 10% of waterborne fluorescent pigment, 1.0% of water-soluble polyvinyl alcohol, 3.0% of hexadecyl trimethyl ammonium bromide, 1.0% of active silver ion antibacterial solution, 2.0% of morpholine, 1.0% of ammonia water and the balance of water, wherein the total amount of the raw materials is 100%.
7. The aqueous fluorescent paint according to claim 1, 2 or 3, characterized in that: the water-based fluorescent pigment is one or more than two of fluorescent yellow, fluorescent green, fluorescent red or fluorescent blue.
8. The method for preparing the water-based fluorescent paint of any one of claims 1 to 7, which is characterized by comprising the following steps:
(1) mixing water, waterborne alkyd modified acrylic resin, ethanol and tripropylene glycol butyl ether, and stirring to dissolve to obtain a solution A;
(2) mixing the water-based fluorescent pigment, water-soluble polyvinyl alcohol, cetyl trimethyl ammonium bromide, polyether modified silicone oil and the active silver ion antibacterial solution, and stirring for dissolving to obtain a solution B;
(3) mixing the solution A and the solution B, and stirring for dissolving to obtain a solution C;
(4) and adding morpholine and ammonia water into the solution C, and stirring and dissolving to obtain the water-based fluorescent paint.
9. Use of the aqueous fluorescent paint according to any one of claims 1 to 7, characterized in that: the water-based fluorescent paint is used for preparing water-based fluorescent aerosol.
10. An aqueous fluorescent aerosol formulation characterized by: the water-based fluorescent paint consists of dimethyl ether and the water-based fluorescent paint as claimed in any one of claims 1 to 7, wherein the mass ratio of the dimethyl ether to the water-based fluorescent paint is 2: 1-1: 2.
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CN104542706A (en) * | 2014-12-10 | 2015-04-29 | 刘永定 | Preparation method of multifunctional nano-silver antibacterial agent |
CN105885573A (en) * | 2014-09-24 | 2016-08-24 | 王萍 | Aqueous fluorescent false-proof crack finish paint |
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CN105885573A (en) * | 2014-09-24 | 2016-08-24 | 王萍 | Aqueous fluorescent false-proof crack finish paint |
CN104542706A (en) * | 2014-12-10 | 2015-04-29 | 刘永定 | Preparation method of multifunctional nano-silver antibacterial agent |
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Denomination of invention: A waterborne fluorescent paint and its preparation and application in aerosol Effective date of registration: 20200909 Granted publication date: 20200619 Pledgee: Guangdong Shixing Rural Commercial Bank Co., Ltd Pledgor: GUANGDONG THEAOSON TECHNOLOGY Co.,Ltd. Registration number: Y2020440000259 |
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