CN111849357A - Heat-curing and light-curing anion coating and manufacturing process thereof - Google Patents
Heat-curing and light-curing anion coating and manufacturing process thereof Download PDFInfo
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
The invention relates to the technical field of anion coatings, in particular to a thermosetting and photocuring anion coating and a manufacturing process thereof, wherein the thermosetting and photocuring anion coating comprises anion acting substances and resin for carrying the anion acting substances, the anion acting substances are tourmaline powder, the resin is thermosetting resin or photocuring resin, and the chemical components of the tourmaline powder are as follows: al (Al)2O3：34.9％～35.10％；SiO2：33.75％～34.81％；B2O3：10.98％～11.02％；MgO：4.65％～4.70％；Fe2O3:10.05％～14.18％；Na2O:0.86％～0.91％；K2O：0.035％～0.04％；CaO：0.0015％～0.002％；P2O5：0.15％～0.22％；TiO20.22 to 0.26 percent; FeO: 1.23 to 1.35 percent. The invention adopts resin as a carrier of a negative ion action substance and adds a reaction auxiliary agent to ensure thatThe obtained negative ions are uniformly dissolved in the resin system, and the negative ion coating can be compounded to obtain various functions by virtue of certain functional characteristics of the resin, so that the problem of single negative ion function is solved.
Description
Technical Field
The invention relates to the technical field of negative ion coatings, in particular to a thermosetting and photocuring negative ion coating and a manufacturing process thereof.
Background
With the pursuit of the residents for the living quality being higher and higher, the requirements for the functionalization and decoration of new materials are higher and higher.
In the natural state, the polarity of the air molecules is neutral, i.e., no charge. However, under the action of cosmic rays, ultraviolet rays, trace element radiation, lightning strike and the like, air molecules lose part of outermost electrons rotating around atomic nuclei, so that the air is ionized. The electrons bound by the escaping nuclei are called free electrons and are negatively charged. When the free electrons combine with other neutral gas molecules, negatively charged air anions are formed. This is a negative ion generated by a natural phenomenon.
When the anion coating is used in the fields of buildings, houses and the like, when the anion coating is in contact with air, harmful gases in the surrounding environment can be adsorbed to the surface of the material and fixed in pores on the surface of the material, and then neutralization and chemical reaction are carried out, so that the purification effect is achieved. Therefore, the coating for preparing the negative ion coating has wide application prospect, not only has the basic performance of the conventional coating, but also has the functions of releasing negative ions, emitting far infrared rays, resisting bacteria, preventing mold and purifying air, and is becoming the first choice product of the building interior wall coating.
In the prior art, the negative ion coating has the following defects: on one hand, the negative ion coating has single function, can be used only based on the single function of the negative ion coating, and cannot be suitable for the use requirements of various coatings; on the other hand, the mechanism of tourmaline which permanently releases negative ions is currently explained in several ways, one of which is due to the electrolysis of water by tourmaline: 4H2O electrolyzes OH- + H +, and hydrogen ions get electrons from weak current between tourmaline electrodes; 2H + +2e → H2 ≠ where hydroxyl ions are combined with water molecules to form air anions; OH- + nH2O → OH- (H2O) n according to the theory, the concentration of negative ions released by tourmaline is related to the strength and weakness of its spontaneous polarization effect, and the necessary condition is moisture in the air (the release effect is shown when the air humidity is more than 30%). And the temperature rise has a promoting effect on the release of negative ions. Another basic condition for explaining the generation of negative ions is the requirement of external energy excitation conditions, which currently mainly include humidity, natural light (including ultraviolet rays and infrared rays), heat, mechanical friction, and the like. These energies act on the negative ion material to form a static voltage inside the molecule, generating an escaping free charge. Free charges on the surface accumulate to cause polarization reactions of molecules such as O2, N2, CO2, H2O, etc. in the surrounding atmosphere, and the released e-reacts with O2, CO2, H2O. O2 → + e O-2O-2+ nH2 → O O-2(H2O) nO-2+ CO2+ nH2 → O CO-4(H2O) n, which are air negative ions, in the form of O-2, O-2(H2O) n, CO-4(H2O) n plasma generated in the reaction process. The negative ions in the air are continuously generated at any moment and continuously disappear. When the negative air ions encounter dust or harmful gas components, the negative air ions lose polarity immediately and disappear. It is also stated that the molecular formula of the negative air ion is O2- (H2O) n, or OH- (H2O) n, or CO4- (H2O) n, according to the theory adopted by the International Union of geodetics and geophysics, the Commission on the atmospheric pressure. The air negative ions with the environmental protection function mainly refer to the first two small molecular negative ions. The air negative ions can reduce active oxygen (oxygen free radicals) generated by pollutants, nitrogen oxides, cigarettes and the like from the atmosphere and reduce the harm of excessive active oxygen to human bodies; the air floating dust with neutral positive charge settles after no charge, so the air is purified, therefore, the pyroelectricity and piezoelectricity of the tourmaline mainly come from the existence of the divalent and trivalent ions of Fe element and the conversion action of Fe2+ and Fe3+, and the tourmaline has no saturation limit, can be used continuously, has high repeated utilization rate, the finer the tourmaline powder is, the better the piezoelectricity is, while the lower the content of Fe element in the chemical composition of the current negative ion coating, the coarser the particle is during the manufacturing, thereby the negative ion release amount of the coating is generally less.
Disclosure of Invention
The invention aims to solve the defects of single function and poor performance in the prior art, and provides a thermosetting and photocuring negative ion coating and a manufacturing process thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a thermosetting and photocuring negative ion coating comprises a negative ion action substance and resin for carrying the negative ion action substance, wherein the negative ion action substance is tourmaline powder, the resin is thermosetting resin or photocuring resin, and the chemical components of the tourmaline powder are as follows: al (Al)2O3：34.9％～35.10％；SiO2：33.75％～34.81％；B2O3：10.98％～11.02％；MgO：4.65％～4.70％；Fe2O3:10.05％～14.18％；Na2O:0.86％～0.91％；K2O：0.035％～0.04％；CaO：0.0015％～0.002％；P2O5：0.15％～0.22％；TiO20.22 to 0.26 percent; FeO: 1.23-1.35%, and the particle size of the tourmaline powder is 50-100 um.
A manufacturing process of a heat-cured and light-cured negative ion coating comprises the following steps:
s1, weighing 30-50 g of nanoscale tourmaline powder, 0.9-1.2 kg of resin, 0.9-1.1 kg of dispersion liquid and reaction auxiliary agent;
s2, mixing tourmaline powder and the dispersion liquid to obtain negative ion liquid;
s3, putting the resin, the anion liquid and the reaction auxiliary agent into a stirring barrel, fully stirring, and reacting for 10-14 h to obtain the anion coating;
and S4, coating the coating obtained in the step S3 on a film material or a plate with a clean and flat surface, volatilizing at the temperature of 50-120 ℃, and thermally curing or photocuring the solvent to obtain a film coating finished product.
Preferably, the reaction auxiliary agent is a thermosetting reaction auxiliary agent, the resin is thermosetting resin, and the thermosetting reaction auxiliary agent comprises butyl ester, propylene glycol and an AF auxiliary agent.
Preferably, the butyl ester accounts for 2.8-3.2 kg, the propylene glycol accounts for 1.3-1.7 kg, and the AF aid accounts for 2.85-3.15 g.
Preferably, the reaction auxiliary agent is a photo-curing reaction auxiliary agent, the resin is a photo-curing resin, and the photo-curing reaction auxiliary agent comprises a basf initiator, butyl ester, isopropanol and an AF auxiliary agent.
Preferably, the weight of the BASF initiator is 43-47 g, the weight of the butyl ester is 2.8-3.2 kg, the weight of the isopropanol is 1.3-1.7 kg, and the weight of the AF assistant is 2.85-3.15 g.
Preferably, the coating mode in the step S4 is wet film coating or dry film coating, the thickness of the wet film coating is 10-20 um, and the thickness of the dry film coating is 1.5-3 um.
Preferably, the concentration of the negative ion liquid is 3% -5%.
The invention has the beneficial effects that:
1. compared with the prior art, the invention adopts the resin as the bearing substance of the negative ion action substance, after matching and screening with the negative ion liquid, the reaction auxiliary agent is added to ensure that the negative ions are uniformly dissolved in the resin system, and by means of certain functional characteristics of the resin, such as scratch resistance, high weather resistance and high adhesiveness, and by means of the antifogging and hydrophilic functions of the low polymer resin and the high hardness, oleophobic and hydrophobic functions of the high polymer, the negative ion coating can be compounded to obtain various functions, the application range of the coating is enlarged, the problem of single negative ion function is solved, the selection of the materials can be conveniently carried out in mass production, the use is convenient, and the negative ion coating is not influenced by natural environment, such as: the material is back glued, printed and injected, and can be obtained when in use.
2. According to the invention, by changing the chemical components of the negative ion coating, namely slightly improving the iron element of the tourmaline powder, as the pyroelectricity and piezoelectricity of the tourmaline are mainly caused by the existence of divalent and trivalent ions of the Fe element and the conversion action of Fe2+ and Fe3+, more negative ions can be released when the coating is used, and the performances of purification, antibiosis and the like of the coating are improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1, a thermosetting and photocurable negative ion coating layer, comprising a negative ion-acting substance and a resin for carrying the negative ion-acting substance, wherein the negative ion-acting substance is tourmaline powder, the resin is a thermosetting resin, and the chemical composition of the tourmaline powder is as follows: al (Al)2O3：35.10％；SiO2：34.81％；B2O3：11.02％；MgO：4.70％；Fe2O3:14.18％；Na2O:0.91％；K2O：0.04％；CaO：0.002％；P2O5：0.22％；TiO20.26 percent; FeO: 1.35% by weight, particle diameter of tourmaline powderIs 50 um.
A manufacturing process of a heat-cured and light-cured negative ion coating comprises the following steps:
s1, weighing 50g of nano tourmaline powder, 1.2kg of thermosetting Tesmann A-20 resin, 1.1kg of dispersion liquid, 3.2kg of butyl ester, 1.7kg of propylene glycol and 3.15g of AF auxiliary agent;
s2, mixing tourmaline powder and the dispersion liquid to obtain an anion liquid, wherein the concentration of the anion liquid is 5%;
s3, putting the thermosetting Tesmann A-20 resin, the anion liquid, the butyl ester, the propylene glycol and the AF auxiliary agent into a stirring barrel, fully stirring, and reacting for 10 hours to obtain the anion coating;
and S4, coating the coating obtained in the step S3 on a film material with a clean and flat surface in a wet film coating mode, wherein the coating thickness is 10 microns, and the coating is volatilized at a temperature of 50 ℃ and then the solvent is thermally cured to obtain a film coating finished product I.
Embodiment 2, a thermosetting and photocurable negative ion coating, comprising a negative ion-acting substance and a resin for carrying the negative ion-acting substance, wherein the negative ion-acting substance is tourmaline powder, the resin is a thermosetting resin, and the chemical composition of the tourmaline powder is as follows: al (Al)2O3：35.05％；SiO2：34.01％；B2O3：10.99％；MgO：4.68％；Fe2O3:12.10％；Na2O:0.88％；K2O：0.038％；CaO：0.0018％；P2O5：0.18％；TiO20.24 percent; FeO: 1.30 percent, and the particle size of the tourmaline powder is 75 um.
A manufacturing process of a heat-cured and light-cured negative ion coating comprises the following steps:
s1, weighing 40g of nano tourmaline powder, 1kg of thermosetting Tesmann A-20 resin, 1kg of dispersion liquid, 3kg of butyl ester, 1.5kg of propylene glycol and 3g of AF auxiliary agent;
s2, mixing tourmaline powder and the dispersion liquid to obtain an anion liquid, wherein the concentration of the anion liquid is 4%;
s3, putting the thermosetting Tesmann A-20 resin, the negative ion liquid, the butyl ester, the propylene glycol and the AF auxiliary agent into a stirring barrel for fully stirring, and reacting for 12 hours to obtain the negative ion coating;
and S4, coating the coating obtained in the step S3 on a film material with a clean and flat surface in a wet film coating mode, wherein the coating thickness is 15 mu m, and the coating is volatilized at a temperature of 80 ℃ and then the solvent is thermally cured to obtain a film coating finished product II.
Embodiment 3, a thermosetting and photocurable negative ion coating, comprising a negative ion-acting substance and a resin for carrying the negative ion-acting substance, wherein the negative ion-acting substance is tourmaline powder, the resin is a thermosetting resin, and the chemical composition of the tourmaline powder is as follows: al (Al)2O3：34.9％；SiO2：33.75％；B2O3：10.98％；MgO：4.65％；Fe2O3:10.05％；Na2O:0.86％；K2O：0.035％；CaO：0.0015％；P2O5：0.15％；TiO20.22 percent; FeO: 1.23 percent, and the particle size of the tourmaline powder is 100 um.
A manufacturing process of a heat-cured and light-cured negative ion coating comprises the following steps:
s1, weighing 30g of nano tourmaline powder, 0.9kg of thermosetting Tesmann A-20 resin, 0.9kg of dispersion liquid, 2.8kg of butyl ester, 1.3kg of propylene glycol and 2.85g of AF auxiliary agent;
s2, mixing tourmaline powder and the dispersion liquid to obtain an anion liquid, wherein the concentration of the anion liquid is 3%;
s3, putting the thermosetting Tesmann A-20 resin, the negative ion liquid, the butyl ester, the propylene glycol and the AF auxiliary agent into a stirring barrel for fully stirring, and reacting for 14 hours to obtain the negative ion coating;
and S4, coating the coating obtained in the step S3 on a plate with a clean and flat surface in a dry film coating mode, wherein the coating thickness is 1.5 mu m, and volatilizing at a temperature of 120 ℃ and thermally curing the solvent to obtain a film coating finished product III.
Example 4 a heat-curable and photo-curable negative ion coating comprising a negative ion-acting substance and a resin for carrying the negative ion-acting substance, the negative ion-acting substance being tourmaline powder, the resin being a photo-curable resin, the chemical composition of the tourmaline powderThe method comprises the following steps: al (Al)2O3：35.10％；SiO2：34.81％；B2O3：11.02％；MgO：4.70％；Fe2O3:14.18％；Na2O:0.91％；K2O：0.04％；CaO：0.002％；P2O5：0.22％；TiO20.26 percent; FeO: 1.35 percent, and the particle size of the tourmaline powder is 50 um.
A manufacturing process of a heat-cured and light-cured negative ion coating comprises the following steps:
s1, weighing 50g of nano tourmaline powder, 1.2kg of photocuring 6-functional group Changxing resin, 1.1kg of dispersion, 3.2kg of butyl ester, 1.7kg of isopropanol, 47g of BASF initiator and 3.15g of AF assistant;
s2, mixing tourmaline powder and the dispersion liquid to obtain an anion liquid, wherein the concentration of the anion liquid is 5%;
s3, putting the photocuring 6-functional-group Changxing resin, the negative ion liquid, butyl ester, isopropanol, a basf initiator and an AF auxiliary agent into a stirring barrel, fully stirring, and reacting for 10 hours to obtain the negative ion coating;
and S4, coating the coating obtained in the step S3 on a film material with a clean and flat surface in a wet film coating mode, wherein the coating thickness is 10 mu m, and the coating is subjected to solvent photocuring after volatilization at a temperature of 50 ℃ to obtain a film coating finished product IV.
Embodiment 5, a thermosetting and photocurable anion coating, comprising an anion acting substance and a resin for carrying the anion acting substance, wherein the anion acting substance is tourmaline powder, the resin is a photocurable resin, and the chemical components of the tourmaline powder are as follows: al (Al)2O3：35.05％；SiO2：34.01％；B2O3：10.99％；MgO：4.68％；Fe2O3:12.10％；Na2O:0.88％；K2O：0.038％；CaO：0.0018％；P2O5：0.18％；TiO20.24 percent; FeO: 1.30 percent, and the particle size of the tourmaline powder is 75 um.
A manufacturing process of a heat-cured and light-cured negative ion coating comprises the following steps:
s1, weighing 40g of nano tourmaline powder, 1kg of photocuring 6-functional-group Changxing resin, 1kg of dispersion liquid, 3kg of butyl ester, 1.5kg of isopropanol, 45g of BASF initiator and 3g of AF assistant;
s2, mixing tourmaline powder and the dispersion liquid to obtain an anion liquid, wherein the concentration of the anion liquid is 4%;
s3, putting the photo-curing 6-functional-group Changxing resin, the negative ion liquid, butyl ester, isopropanol, a basf initiator and an AF auxiliary agent into a stirring barrel for fully stirring, and reacting for 12 hours to obtain the negative ion coating;
and S4, coating the coating obtained in the step S3 on a film material with a clean and flat surface in a wet film coating mode, wherein the coating thickness is 15 micrometers, and the coating is subjected to solvent photocuring after volatilization at a temperature of 80 ℃ to obtain a film coating finished product V.
Embodiment 6, a thermosetting and photocurable anion coating, comprising an anion acting substance and a resin for carrying the anion acting substance, wherein the anion acting substance is tourmaline powder, the resin is a photocurable resin, and the chemical components of the tourmaline powder are as follows: al (Al)2O3：34.9％；SiO2：33.75％；B2O3：10.98％；MgO：4.65％；Fe2O3:10.05％；Na2O:0.86％；K2O：0.035％；CaO：0.0015％；P2O5：0.15％；TiO20.22 percent; FeO: 1.23 percent, and the particle size of the tourmaline powder is 100 um.
A manufacturing process of a heat-cured and light-cured negative ion coating comprises the following steps:
s1, weighing 30g of nano tourmaline powder, 0.9kg of photocuring 6-functional group Changxing resin, 0.9kg of dispersion liquid, 2.8kg of butyl ester, 1.3kg of isopropanol, 43g of BASF initiator and 2.85g of AF assistant;
s2, mixing tourmaline powder and the dispersion liquid to obtain an anion liquid, wherein the concentration of the anion liquid is 3%;
s3, putting the photo-curing 6-functional-group Changxing resin, the negative ion liquid, butyl ester, isopropanol, a basf initiator and an AF auxiliary agent into a stirring barrel for fully stirring, and reacting for 14h to obtain the negative ion coating;
and S4, coating the coating obtained in the step S3 on a plate with a clean and flat surface in a dry film coating mode, wherein the coating thickness is 1.5 mu m, and after volatilization at a temperature of 120 ℃, the solvent is subjected to photocuring to obtain a film coating finished product six.
The finished film product prepared in the embodiment is stuck on a closed hexahedral transparent cover for testing, and after the anion instrument is started for ten minutes, the anion number is from 100-2Jump to 4800-5200/mm2Therefore, the anion coating layer in the invention has the advantages of large quantity of released anions, strong antibacterial and purifying performances and corresponding functions carried by resin.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A thermosetting and photocuring negative ion coating comprises a negative ion action substance and resin for carrying the negative ion action substance, and is characterized in that the negative ion action substance is tourmaline powder, the resin is thermosetting resin or photocuring resin, and the chemical components of the tourmaline powder are as follows: al (Al)2O3：34.9％～35.10％；SiO2：33.75％～34.81％；B2O3：10.98％～11.02％；MgO：4.65％～4.70％；Fe2O3:10.05％～14.18％；Na2O:0.86％～0.91％；K2O：0.035％～0.04％；CaO：0.0015％～0.002％；P2O5：0.15％～0.22％；TiO20.22 to 0.26 percent; FeO: 1.23-1.35%, and the particle size of the tourmaline powder is 50-100 um.
2. A manufacturing process of a thermosetting and photocuring negative ion coating is characterized by comprising the following steps:
s1, weighing 30-50 g of nanoscale tourmaline powder, 0.9-1.2 kg of resin, 0.9-1.1 kg of dispersion liquid and reaction auxiliary agent;
s2, mixing tourmaline powder and the dispersion liquid to obtain negative ion liquid;
s3, putting the resin, the anion liquid and the reaction auxiliary agent into a stirring barrel, fully stirring, and reacting for 10-14 h to obtain the anion coating;
and S4, coating the coating obtained in the step S3 on a film material or a plate with a clean and flat surface, volatilizing at the temperature of 50-120 ℃, and thermally curing or photocuring the solvent to obtain a film coating finished product.
3. The process of claim 2, wherein the reaction promoter is a thermosetting reaction promoter, the resin is a thermosetting resin, and the thermosetting reaction promoter comprises butyl ester, propylene glycol, and an AF promoter.
4. The process according to claim 3, wherein the amount of butyl ester is 2.8-3.2 kg, the amount of propylene glycol is 1.3-1.7 kg, and the amount of AF aid is 2.85-3.15 g.
5. The process of claim 2, wherein the reaction promoter is a photo-curing reaction promoter, the resin is a photo-curing resin, and the photo-curing reaction promoter comprises a basf initiator, butyl ester, isopropyl alcohol, and an AF promoter.
6. The process of claim 5, wherein the amount of the BASF initiator is 43-47 g, the amount of the butyl ester is 2.8-3.2 kg, the amount of the isopropyl alcohol is 1.3-1.7 kg, and the amount of the AF aid is 2.85-3.15 g.
7. The process of claim 2, wherein in step S4, the coating is wet film coating or dry film coating, the wet film coating has a thickness of 10-20 um, and the dry film coating has a thickness of 1.5-3 um.
8. The process according to claim 2, wherein the concentration of the anion liquid is 3-5%.
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| CN105295671A (en) * | 2015-11-27 | 2016-02-03 | 苏州市明大高分子科技材料有限公司 | Negative ion coating capable of being cured by ultraviolet light and preparation method of negative ion coating |
| CN106040127A (en) * | 2016-06-23 | 2016-10-26 | 成都市森远通讯网络有限公司 | Nano anion card and preparation method and application thereof |
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| CN110002791A (en) * | 2019-04-12 | 2019-07-12 | 广东中旗新材料股份有限公司 | A kind of quartz and preparation method equipped with anion coating |
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| CN106147297A (en) * | 2015-04-01 | 2016-11-23 | 佛山市顺德区美的电热电器制造有限公司 | Far ultrared paint and its preparation method and application |
| CN105295671A (en) * | 2015-11-27 | 2016-02-03 | 苏州市明大高分子科技材料有限公司 | Negative ion coating capable of being cured by ultraviolet light and preparation method of negative ion coating |
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