Environment-friendly anti-pollution paint for transformer and preparation process of environment-friendly anti-pollution paint
By adding modified graphene to transformer paint, a highly efficient heat conduction network is formed, solving the problem of heat dissipation obstruction caused by existing paints and achieving efficient heat dissipation and energy saving in transformers.
Patent Information
- Application Number
- CN202511324859.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-17
- Publication Date
- 2025-11-25
AI Technical Summary
The paint on existing transformers obstructs heat dissipation, making it difficult for the transformers to effectively dissipate internal heat. External equipment must be installed to assist in heat dissipation, which increases energy consumption.
An environmentally friendly, pollution-resistant paint containing graphene is used. By adding graphene with a thickness of <3nm to the paint and modifying its surface, a highly efficient heat conduction network is formed, thereby improving the thermal conductivity of the coating.
This improves the heat dissipation efficiency of the transformer, reduces the reliance on heat dissipation equipment at slightly lower temperatures, and lowers energy consumption.
Smart Images
Figure SMS_1
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of paint preparation, in particular to an environmentally-friendly anti-pollution paint for transformers and a preparation process thereof. BACKGROUND
[0002] A transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and its main components are a primary coil, a secondary coil and an iron core. Its main functions include voltage conversion, current conversion, impedance conversion, isolation and voltage stabilization. Meanwhile, transformers are basic equipment for power transmission and distribution, and are widely used in industries, agriculture, transportation and urban communities.
[0003] In the production of existing transformers, in order to improve the protection capability of the transformer and cope with various interference factors, a special paint is usually applied to the surface of the transformer. Such paint is specially configured and has the characteristics of water resistance, weather resistance and anti-aging. Although such paint meets the current use of transformers, it still has obvious defects in actual use, such as: Although the existing paint has high protection, it can ensure the pressure resistance of the transformer to the outside world, but such paint also blocks the heat dissipation of the transformer, making it difficult to effectively dissipate the internal heat of the transformer at any use period. Auxiliary cooling equipment must be used to increase energy consumption; Therefore, an environmentally-friendly anti-pollution paint for transformers is designed to solve such defects. SUMMARY
[0004] In view of the deficiencies of the prior art, the present application provides an environmentally-friendly anti-pollution paint for transformers and a preparation process thereof, which solves the problem that the existing paint easily blocks the heat dissipation capability of the transformer.
[0005] To achieve the above purpose, the present application is implemented by the following technical scheme: an environmentally-friendly anti-pollution paint for transformers, comprising A component, B component and C component; The A component comprises, by weight of raw materials: epoxy resin 40-60 parts, phenolic resin 5-10 parts, deionized water 15-20 parts, and alkenyl succinate 20-30 parts; The B component comprises, by weight of raw materials: graphene 5-12 parts, coupling agent 2-4 parts, mica powder 3-6 parts, and talc powder 3-5 parts; The C component comprises, by weight of raw materials: isopropyl tri-titanate 0.45-0.65 parts, benzoyl peroxide 0.2-0.3 parts, defoaming agent 0.1-0.15 parts, and leveling agent 0.05-0.1 parts.
[0006] Preferably, the pretreatment method of the A component is: mixing epoxy resin, phenolic resin and deionized water at a temperature of 40-60 DEG C, adding alkenyl succinate emulsion for 30 min, and forming a uniform emulsion A component.
[0007] Preferably, the pretreatment method of the B component is: ultrasonic treatment of graphene and coupling agent in ethanol for 1 h, putting the treated graphene, mica powder and talc powder into a ball mill, mixing at a speed of 300 rpm for 4 h, and obtaining the B component.
[0008] Preferably, the pretreatment method of the C component is: putting isopropyl tri-titanate, benzoyl peroxide, defoaming agent and leveling agent into a stirrer for uniform stirring, and obtaining the C component.
[0009] Preferably, the pH value of the C component after pretreatment is 8.0-9.0.
[0010] Preferably, the isopropyl tri-titanate is isopropyl tri(dioctyl pyrophosphoric acyloxy) titanate.
[0011] Preferably, the epoxy resin is modified epoxy resin E-44, and the coupling agent is KH-560.
[0012] The application also discloses a preparation process of the environment-friendly anti-pollution paint for the transformer. S1, raw material premixing: placing the A component in a high-speed stirrer for preliminary stirring, keeping the temperature at 40-60 DEG C, slowly adding the B component into the A component, adjusting the speed of the high-speed stirrer to 2000 rpm, shearing and dispersing for 1.5 h, and obtaining a base material after premixing; S2, paint blending: after obtaining the base material by premixing the raw materials in S1, slowly and intermittently adding the C component into the base material, the interval time being 5 s, and the speed of the high-speed stirrer being 500 rpm, and obtaining the environment-friendly anti-pollution paint after stirring; S3, paint testing: placing a coating-4 cup in a constant temperature room, then putting the environment-friendly anti-pollution paint into the coating-4 cup for testing, and the viscosity being 45-50 s is qualified.
[0013] The application provides an environment-friendly anti-pollution paint for a transformer and a preparation process thereof. (1), the environmental protection type anti-pollution paint for transformer and preparation process thereof, by adding graphene material in the paint preparation process, and graphene is prepared by redox method, and the thickness is <3nm, and has strong heat conductivity, and after surface modification by silane coupling agent KH-560, the proportion of 1.2-1.8wt% is dispersed in the water-based epoxy resin matrix, the two-dimensional structure of graphene can form a high-efficiency heat conduction network, so that the thermal conductivity of the coating is improved to more than 0.85W / (m·K), thereby improving the heat dissipation efficiency of the transformer body, and in the weather with slightly lower temperature, the auxiliary of the heat dissipation equipment can be effectively reduced, and the energy consumption is reduced. DETAILED DESCRIPTION
[0014] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.
[0015] The present application provides three technical solutions: Embodiment 1
[0016] including A component, B component and C component; The A component includes, by weight of raw material: epoxy resin 40 parts, phenolic resin 10 parts, deionized water 20 parts, alkenyl succinate 30 parts; The B component includes, by weight of raw material: graphene 5 parts, coupling agent 4 parts, mica powder 6 parts, talc powder 5 parts; The C component includes, by weight of raw material: isopropyl tri-titanate 0.45 parts, benzoyl peroxide 0.3 parts, defoaming agent 0.15 parts, leveling agent 0.1 parts.
[0017] The pretreatment method of A component is: by weight, epoxy resin, phenolic resin, deionized water are uniformly stirred and mixed at 40 DEG C temperature, by weight, alkenyl succinate is emulsified for 30 min, and uniform emulsion A component is formed.
[0018] The pretreatment method of B component is: by weight, graphene and coupling agent are ultrasonically treated in ethanol for 1h, and the treated graphene, mica powder and talc powder are put into a ball mill, and mixed at 300 rpm for 4 hours, to obtain B component.
[0019] The pretreatment method of C component is: by weight, isopropyl tri-titanate, benzoyl peroxide, defoaming agent and leveling agent are put into a stirrer and uniformly stirred, to obtain C component.
[0020] After the pretreatment of the C component, the pH value is 8.0.
[0021] The isopropyl tri-titanate is isopropyl tri(dioctyl pyrophosphato) titanate.
[0022] The epoxy resin is modified epoxy resin E-44, and the coupling agent is KH-560.
[0023] The application further discloses a preparation process of the environment-friendly anti-pollution paint for the transformer. S1, raw material premixing: placing the A component in a high-speed mixer for preliminary stirring, keeping the temperature at 40 DEG C, slowly adding the B component into the A component, adjusting the rotating speed of the high-speed mixer to 2000 rpm, shearing and dispersing for 1.5 h, and obtaining the base material after the premixing is completed; S2, paint blending: after the base material is obtained through the raw material premixing in the step S1, the C component is slowly and intervally added into the base material, the interval time is 5 s, the rotating speed of the high-speed mixer is 500 rpm, the stirring is completed, and the environment-friendly anti-pollution paint is obtained; S3, paint testing: placing the coating-4 cup in a constant temperature room, then putting the environment-friendly anti-pollution paint into the coating-4 cup for testing, and the viscosity reaching 45 s is qualified.
[0024] Example 2
[0025] The A component, the B component and the C component are included. The A component includes the following raw materials according to weight parts: The epoxy resin is 60 parts, the phenolic resin is 5 parts, the deionized water is 15 parts, and the alkenyl succinate is 20 parts. The B component includes the following raw materials according to weight parts: The graphene is 12 parts, the coupling agent is 2 parts, the mica powder is 3 parts, and the talcum powder is 3 parts. The C component includes the following raw materials according to weight parts: The isopropyl tri-titanate is 0.65 parts, the benzoyl peroxide is 0.2 parts, the defoaming agent is 0.1 parts, and the leveling agent is 0.05 parts.
[0026] The pretreatment mode of the A component is as follows: according to weight parts, the epoxy resin, the phenolic resin and the deionized water are uniformly stirred and mixed at a temperature of 60 DEG C, according to weight parts, the alkenyl succinate is added and emulsified for 30 min, and a uniform emulsion A component is formed.
[0027] The pretreatment mode of the B component is as follows: according to weight parts, the graphene and the coupling agent are ultrasonically treated in ethanol for 1 h, the treated graphene, the mica powder and the talcum powder are put into a ball mill, the rotating speed of the ball mill is 300 rpm, and the mixing is performed for 4 hours to obtain the B component.
[0028] The pretreatment method of the C component is as follows: by weight, 0.55 parts of isopropyl trititanate, 0.25 parts of benzoyl peroxide, 0.12 parts of defoaming agent, and 0.08 parts of leveling agent are put into a stirrer and uniformly stirred to obtain the C component.
[0029] After the pretreatment of the C component, the pH value is 9.0.
[0030] The isopropyl trititanate is isopropyl tris(dioctyl pyrophosphato) titanate.
[0031] The epoxy resin is modified epoxy resin E-44, and the coupling agent is KH-560.
[0032] The application further discloses a preparation process of the environment-friendly anti-pollution paint for the transformer. S1, raw material premixing: placing the A component in a high-speed stirrer for preliminary stirring, keeping the temperature at 60 DEG C, slowly adding the B component into the A component, adjusting the rotating speed of the high-speed stirrer to 2000 rpm, shearing and dispersing for 1.5 h, and obtaining the base material after the premixing is completed; S2, paint blending: after the base material is obtained by premixing the raw materials in the step S1, the C component is slowly and intermittently added into the base material, the interval time is 5 s, the rotating speed of the high-speed stirrer is 500 rpm, and the environment-friendly anti-pollution paint is obtained after the stirring is completed; S3, paint testing: placing the coating-4 cup in a constant-temperature room, then putting the environment-friendly anti-pollution paint into the coating-4 cup for testing, and the paint is qualified when the viscosity reaches 50 seconds Example 3
[0033] The A component, the B component and the C component are included. The A component includes the following raw materials by weight: 50 parts of epoxy resin, 7 parts of phenolic resin, 17 parts of deionized water, and 25 parts of alkenyl succinate; The B component includes the following raw materials by weight: 8 parts of graphene, 3 parts of coupling agent, 4 parts of mica, and 4 parts of talc; The C component includes the following raw materials by weight: 0.55 parts of isopropyl trititanate, 0.25 parts of benzoyl peroxide, 0.12 parts of defoaming agent, and 0.08 parts of leveling agent.
[0034] The pretreatment method of the A component is as follows: by weight, the epoxy resin, the phenolic resin, and the deionized water are uniformly stirred and mixed at a temperature of 50 DEG C, by weight, the alkenyl succinate is added and emulsified for 30 min to form a uniform emulsion A component.
[0035] The pretreatment method of the B component is as follows: according to weight parts, graphene and coupling agent are ultrasonically treated in ethanol for 1 h, the treated graphene, mica powder and talc powder are put into a ball mill, and the ball mill is mixed at a speed of 300 rpm for 4 hours to obtain the B component.
[0036] The pretreatment method of the C component is as follows: according to weight parts, isopropyl tri-titanate, benzoyl peroxide, defoaming agent and leveling agent are put into a stirrer and uniformly stirred to obtain the C component.
[0037] After the pretreatment of the C component, the pH value is 8.5.
[0038] The isopropyl tri-titanate is isopropyl tri(dioctyl pyrophosphato) titanate.
[0039] The epoxy resin is modified epoxy resin E-44, and the coupling agent is KH-560.
[0040] The application further discloses a preparation process of the environment-friendly anti-pollution paint for the transformer. S1, raw material premixing: the A component is placed in a high-speed stirrer for preliminary stirring, the temperature is kept at 50 DEG C, the B component is slowly added into the A component, the speed of the high-speed stirrer is adjusted to 2000 rpm, and shearing dispersion is performed for 1.5 h, so that the base material is obtained after premixing; S2, paint blending: after the base material is obtained by premixing the raw materials in the step S1, the C component is slowly and intermittently added into the base material, the interval time is 5 s, the speed of the high-speed stirrer is 500 rpm, and the environment-friendly anti-pollution paint is obtained after stirring is completed; S3, paint testing: the coating-4 cup is placed in a constant-temperature room, and then the environment-friendly anti-pollution paint is put into the coating-4 cup for testing, and the paint is qualified when the viscosity reaches 48 seconds.
[0041] Simulation experiment In order to evaluate the environment-friendly anti-pollution paint for the transformer, the salt fog resistance, surface drying time and thermal conductivity are detected.
[0042] The test results of the above indexes are shown in Table 1. Table 1
[0043] As shown in Table 1, compared with the existing paint, the environment-friendly anti-pollution paint for the transformer provided by the application is superior to the existing paint in terms of thermal conductivity, salt resistance and surface drying time, has strong thermal conductivity, and thus improves the heat dissipation efficiency of the transformer body, effectively reduces the assistance of heat dissipation equipment in slightly low temperature weather, and reduces energy consumption.
[0044] Meanwhile, matters not described in detail in the present specification are all existing techniques known to those skilled in the art.
Claims
1. An environmentally friendly, pollution-resistant paint for transformers, characterized in that: Includes components A, B, and C; Component A comprises, by weight, the following components: 40-60 parts epoxy resin, 5-10 parts phenolic resin, 15-20 parts deionized water, and 20-30 parts alkenyl succinate. Component B comprises, by weight of raw materials: Graphene 5-12 parts, coupling agent 2-4 parts, mica powder 3-6 parts, talc powder 3-5 parts; The C component comprises, by weight parts of raw materials: 0.45-0.65 parts of isopropyl trititanate, 0.2-0.3 parts of benzoyl peroxide, 0.1-0.15 parts of defoamer, and 0.05-0.1 parts of leveling agent.
2. The environmentally friendly anti-pollution paint for transformers according to claim 1, characterized in that: The pretreatment method for component A is as follows: epoxy resin, phenolic resin, and deionized water are uniformly mixed at a temperature of 40℃-60℃ according to the weight ratio, and alkenyl succinate is added according to the weight ratio and emulsified for 30 minutes to form a uniform emulsion component A.
3. The environmentally friendly anti-pollution paint for transformers according to claim 1, characterized in that: The pretreatment method of component B is as follows: graphene and coupling agent are ultrasonically treated in ethanol for 1 hour according to the weight ratio. The treated graphene, mica powder and talc powder are put into a ball mill and mixed at 300 rpm for 4 hours to obtain component B.
4. The environmentally friendly anti-pollution paint for transformers according to claim 1, characterized in that: The pretreatment method for component C is as follows: according to the weight, parts of isopropyl trititanate, parts of benzoyl peroxide, parts of defoamer and parts of leveling agent are put into a stirrer and stirred evenly to obtain component C.
5. The environmentally friendly anti-pollution paint for transformers according to claim 1, characterized in that: After pretreatment with component C, the pH value is 8.0-9.
0.
6. The environmentally friendly anti-pollution paint for transformers according to claim 1, characterized in that: The isopropyl trititanate is isopropyl trititanate.
7. The environmentally friendly anti-pollution paint for transformers according to claim 1, characterized in that: The epoxy resin is modified epoxy resin E-44, and the coupling agent is KH-560.
8. A preparation process for an environmentally friendly, pollution-resistant paint for transformers, characterized in that: Specifically, the following steps are included: S1. Raw material premixing: Place component A in a high-speed mixer for initial mixing, maintaining the temperature at 40℃-60℃. Slowly add component B to component A, adjust the speed of the high-speed mixer to 2000 rpm, and shear and disperse for 1.5 hours. After premixing, the base material is obtained. S2, Paint Mixing: After the raw materials in step S1 are premixed to obtain the base material, add component C slowly and intermittently to the base material at 5-second intervals, while the speed of the high-speed mixer is 500 rpm. After mixing is completed, an environmentally friendly anti-pollution paint is obtained. S3. Paint Test: Place the Coat-4 cup in a constant temperature chamber, then put the environmentally friendly anti-pollution paint into the Coat-4 cup for testing. The viscosity is considered qualified if it reaches 45-50 seconds.