CN117384528A - Formula of high-temperature-resistant high-pressure-resistant insulating paint and preparation method thereof - Google Patents
Formula of high-temperature-resistant high-pressure-resistant insulating paint and preparation method thereof Download PDFInfo
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- CN117384528A CN117384528A CN202310818524.0A CN202310818524A CN117384528A CN 117384528 A CN117384528 A CN 117384528A CN 202310818524 A CN202310818524 A CN 202310818524A CN 117384528 A CN117384528 A CN 117384528A
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- 239000003973 paint Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 54
- 229920005989 resin Polymers 0.000 claims abstract description 43
- 239000011347 resin Substances 0.000 claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 26
- 239000003822 epoxy resin Substances 0.000 claims abstract description 24
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 24
- 229920003055 poly(ester-imide) Polymers 0.000 claims abstract description 22
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229920003192 poly(bis maleimide) Polymers 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims description 34
- -1 phenolic amine Chemical class 0.000 claims description 22
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 18
- 239000003999 initiator Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 14
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 11
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 11
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 10
- 238000009472 formulation Methods 0.000 claims description 8
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical group CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 5
- 239000000292 calcium oxide Substances 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 5
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 claims description 5
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 5
- 229920000570 polyether Polymers 0.000 claims description 5
- 235000010215 titanium dioxide Nutrition 0.000 claims description 5
- 238000005507 spraying Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 33
- 238000009413 insulation Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Classifications
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the field of insulating paint, in particular to a formula of high-temperature-resistant and high-pressure-resistant insulating paint and a preparation method thereof, wherein the formula of the high-temperature-resistant and high-pressure-resistant insulating paint comprises the following components in parts by mass: 60-100 parts of epoxy resin, 20-80 parts of polyester imide resin, 20-80 parts of bismaleimide resin, 20-40 parts of curing agent, 40-80 parts of color filler, 2-10 parts of leveling agent and 2-20 parts of accelerator, wherein the epoxy resin, the polyester imide resin and the bismaleimide resin are mixed to serve as film forming base materials. According to the invention, the epoxy resin is used as a main film-forming base material, the polyester imide resin and the bismaleimide resin are used as film-forming base materials in a mixed mode, the surface of the insulating coating is smooth and flat after spraying and curing, the defects of scratch, breakage, falling and the like are avoided, the coating thickness can meet the construction requirement of 100-150 mu m, and the insulating coating has excellent high-temperature and high-pressure resistance.
Description
Technical Field
The invention relates to the field of insulating paint, in particular to a formula of high-temperature-resistant and high-pressure-resistant insulating paint and a preparation method thereof.
Background
The insulating paint is a paint with excellent electrical insulation property. It has good electrochemical, thermal, mechanical and chemical properties.
The existing insulating paint mostly uses epoxy resin as a film forming base material, and is mixed with a curing agent, a filler and an accelerator to form the paint, although the paint can achieve an insulating effect, the paint needs to be sprayed with a certain thickness, if the thickness is insufficient, the problem of electric leakage can occur, and when the paint is applied to an insulating position of a lithium battery shell, the thickness of a coating formed by the insulating paint after spraying is more than 300 mu m, and the construction requirement of the coating at the insulating position of the U-shaped shell of the lithium battery is 100 mu m-150 mu m, so that the existing insulating paint can not meet the construction requirement of the insulating position of the U-shaped shell of the lithium battery.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a formula of a high-temperature-resistant and high-pressure-resistant insulating coating and a preparation method thereof, and the specific technical scheme is as follows:
the formula of the high-temperature-resistant and high-pressure-resistant insulating paint comprises the following components in parts by mass:
60-100 parts of epoxy resin, 20-80 parts of polyester imide resin, 20-80 parts of bismaleimide resin, 20-40 parts of curing agent, 40-80 parts of color filler, 2-10 parts of leveling agent and 2-20 parts of accelerator, wherein the epoxy resin, the polyester imide resin and the bismaleimide resin are mixed to serve as film forming base materials.
As an improvement of the technical scheme, the curing agent comprises a phenol type phenolic amine curing agent and a benzoyl peroxide initiator, wherein the phenol type phenolic amine curing agent is 10-15 parts by weight, and the phenol type peroxide initiator is 10-25 parts by weight.
As improvement of the technical scheme, the color filler is at least one of carbon black, titanium white, chrome yellow, iron oxide red, barium sulfate and calcium oxide.
As an improvement of the technical scheme, the leveling agent is polyether modified polydimethylsiloxane leveling agent.
As an improvement of the technical scheme, the accelerator is DMP-30.
The preparation method of the high-temperature-resistant and high-pressure-resistant insulating paint adopts the formula of the high-temperature-resistant and high-pressure-resistant insulating paint according to any one of the technical schemes, and comprises the following steps:
s1: firstly, mixing 20-80 parts of polyester imide resin with 10-15 parts of phenol type phenolic aldehyde amine curing agent and 10-25 parts of benzoyl peroxide initiator, and stirring for 10-30 min by a stirrer to obtain a mixture A;
s2: mixing 40-80 parts of color filler, 60-100 parts of epoxy resin and 20-80 parts of bismaleimide resin with the mixture A, and stirring for 10-30 min by a stirrer to obtain a mixture B;
s3: grinding the mixture B in a grinder, and sending the ground product into a stirrer to stir for 10-30 min to obtain a uniform mixed product;
s4: mixing 2-10 parts of flatting agent, 2-20 parts of accelerator and the mixed product, and stirring for 30-60 min by a stirrer to obtain the insulating coating.
The invention has the beneficial effects that:
the epoxy resin is used as a main film-forming base material, the polyester imide resin and the bismaleimide resin are used as film-forming base materials in a mixed mode, the mixed mixture is fully mixed with the curing agent, and finally the leveling agent and the accelerator are mixed to form the insulating coating with smooth and stable surface after curing.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
The formula of the high-temperature-resistant and high-pressure-resistant insulating paint comprises the following components in parts by mass:
60 parts of epoxy resin, 20 parts of polyester imide resin, 20 parts of bismaleimide resin, 20 parts of curing agent, 40 parts of color filler, 2 parts of leveling agent and 2 parts of accelerator.
The epoxy resin, the polyester imide resin and the bismaleimide resin are mixed to be used as film forming base materials.
Specifically, the curing agent comprises a phenol type phenolic amine curing agent and a benzoyl peroxide initiator, wherein the phenol type phenolic amine curing agent is 10-parts by weight, and the phenol peroxide initiator is 10 parts by weight.
Specifically, the color filler is at least one of carbon black, titanium white, chrome yellow, iron oxide red, barium sulfate and calcium oxide.
Specifically, the leveling agent is a polyether modified polydimethylsiloxane leveling agent.
Specifically, the accelerator is DMP-30.
Further, a preparation method of the high-temperature-resistant and high-pressure-resistant insulating paint is provided, which comprises the following steps:
s1: firstly, mixing 20 parts of polyester imide resin with 10 parts of phenol type phenolic aldehyde amine curing agent and 10 parts of benzoyl peroxide initiator, and stirring for 30min by a stirrer to obtain a mixture A;
this is to mix the polyester imide resin thoroughly with benzoyl peroxide to promote its crosslinking, and because the polyester imide resin is used to crosslink with the epoxy resin, and its purpose is to make a paint, to avoid the subsequent incomplete curing, a curing agent, an initiator, and a polyester imide resin to enhance the electrical properties of the molded insulating coating are mixed in advance.
S2: mixing 40 parts of color filler, 60 parts of epoxy resin and 20-80 parts of bismaleimide resin with the mixture A, and stirring for 30min by a stirrer to obtain a mixture B;
the bismaleimide resin and the epoxy resin have similar fluidity and moldability, so that the bismaleimide resin and the epoxy resin are mixed, and then the mixture A obtained in the step S1 is mixed, so that various substances obtained by mixing can be fully contacted, and the problem that crosslinking cannot be fully performed is avoided.
S3: grinding the mixture B in a grinder, and sending the ground product into a stirrer to stir for 30min to obtain a uniform mixed product;
since the color filler is generally in powder form, a certain coagulation and agglomeration phenomenon may occur in the step S1 and the step S2, that is, the mixture B is mixed with the liquid and agglomerated materials, and the mixture B is fed into a grinder to be ground, so that the internal agglomerated structure is broken up, and the mixture B is stirred again after being broken up, so that the materials are fully mixed to obtain the final mixed product, and the mixed product is dyed.
S4: mixing 2-10 parts of flatting agent, 2-20 parts of accelerator and the mixed product, and stirring for 30min by a stirrer to obtain the insulating coating.
The mixed materials are not fully contacted, an accelerator is added to accelerate the reaction, and a leveling agent is added to ensure that the insulating coating of the finished product is not excessively viscous, thereby ensuring that the insulating coating can be uniformly and smoothly adhered on a spraying surface during spraying.
Example two
The formula of the high-temperature-resistant and high-pressure-resistant insulating paint comprises the following components in parts by mass:
80 parts of epoxy resin, 50 parts of polyester imide resin, 50 parts of bismaleimide resin, 35 parts of curing agent, 60 parts of color filler, 6 parts of leveling agent and 15 parts of accelerator.
The epoxy resin, the polyester imide resin and the bismaleimide resin are mixed to be used as film forming base materials. .
Specifically, the curing agent comprises a phenol type phenolic amine curing agent and a benzoyl peroxide initiator, wherein the phenol type phenolic amine curing agent is 12 parts by weight, and the oxidized phenolic acyl initiator is 23 parts by weight.
Specifically, the color filler is at least one of carbon black, titanium white, chrome yellow, iron oxide red, barium sulfate and calcium oxide.
Specifically, the leveling agent is a polyether modified polydimethylsiloxane leveling agent.
Specifically, the accelerator is DMP-30.
Further, a preparation method of the high-temperature-resistant and high-pressure-resistant insulating paint is provided, which comprises the following steps:
s1: firstly, 50 parts of polyester imide resin, 12 parts of phenol type phenolic aldehyde amine curing agent and 23 parts of benzoyl peroxide initiator are mixed, and stirred by a stirrer for 30min to obtain a mixture A;
s2: mixing 60 parts of color filler, 80 parts of epoxy resin and 50 parts of bismaleimide resin with the mixture A, and stirring for 30min by a stirrer to obtain a mixture B;
s3: grinding the mixture B in a grinder, and sending the ground product into a stirrer to stir for 30min to obtain a uniform mixed product;
s4: and mixing 6 parts of leveling agent and 15 parts of accelerator with the mixed product, and stirring for 30min by a stirrer to obtain the insulating coating.
Example III
The formula of the high-temperature-resistant and high-pressure-resistant insulating paint comprises the following components in parts by mass:
100 parts of epoxy resin, 80 parts of polyester imide resin, 80 parts of bismaleimide resin, 40 parts of curing agent, 80 parts of color filler, 10 parts of leveling agent and 20 parts of accelerator.
The epoxy resin, the polyester imide resin and the bismaleimide resin are mixed to be used as film forming base materials. .
Specifically, the curing agent comprises a phenol type phenolic amine curing agent and a benzoyl peroxide initiator, wherein the phenol type phenolic amine curing agent is 15 parts by weight, and the phenol type peroxide initiator is 25 parts by weight.
Specifically, the color filler is at least one of carbon black, titanium white, chrome yellow, iron oxide red, barium sulfate and calcium oxide.
Specifically, the leveling agent is a polyether modified polydimethylsiloxane leveling agent.
Specifically, the accelerator is DMP-30.
Further, a preparation method of the high-temperature-resistant and high-pressure-resistant insulating paint is provided, which comprises the following steps:
s1: firstly, mixing 80 parts of polyester imide resin with 15 parts of phenol type phenolic aldehyde amine curing agent and 25 parts of benzoyl peroxide initiator, and stirring for 30min by a stirrer to obtain a mixture A;
s2: mixing 80 parts of color filler, 100 parts of epoxy resin and 80 parts of bismaleimide resin with the mixture A, and stirring for 30min by a stirrer to obtain a mixture B;
s3: grinding the mixture B in a grinder, and sending the ground product into a stirrer to stir for 30min to obtain a uniform mixed product;
s4: 10 parts of flatting agent and 20 parts of accelerator are mixed with the mixed product, and the mixture is stirred for 30min by a stirrer to obtain the insulating coating.
Spraying the insulating paint obtained in the step S4 in the first, second and third embodiments on a test piece respectively, wherein the spraying thickness of the first, second and third embodiments is 100 mu m, 130 mu m and 150 mu m respectively, and then testing the test piece, wherein the test content comprises: 1) Salt spray testing; 2) Testing withstand voltage; 3) Insulation test; 4) High temperature testing; 5) High humidity constant temperature test; 6) Testing cold and hot circulation; 7) And (5) testing the hundred grids.
The salt spray test generally refers to a test for manually simulating a salt spray environment to test the corrosion resistance of a piece to be tested, and the test time is 480 hours; the voltage withstand test is to conduct an electrifying test on the position of the coating, wherein the test voltage is 3000v, the slow rise time is 10s, the test time is 60s, and the leakage current is less than or equal to 1mA; insulation test refers to detecting whether the insulation resistance of an insulation coating formed by curing a sprayed coating is greater than 999999MΩ; the high temperature test means that the workpiece is placed in a high temperature environment for testing, and the testing temperature is more than 900 ℃; the high humidity constant temperature test is to place a workpiece in a high humidity environment under constant temperature, wherein the test temperature is 85 ℃, the test humidity is more than 85%, and the test time is 1000 hours; the cold and hot cycle test is to place the workpiece in a cold and hot alternating environment for testing, and the test cycle test is 1000 times; the hundred grid test is to scratch a grid-shaped structure on the insulating coating on the surface of a workpiece, then adhere the center of the grid by using an adhesive tape, and observe whether the coating in the grid falls off.
In addition, a group of comparative examples are provided, and the formulation of the comparative examples is as follows: epoxy resin: 100-250 parts; dicyandiamide curing agent: 10-50 parts; phenol type phenolic curing agent: 10-20 parts; and (3) filling: 100-200 parts; and (3) an accelerator: 2 parts to 20 parts of the paint obtained in this comparative example was set to 150 μm in spray thickness.
Examples one, two, three and comparative examples the test data are shown in the following table:
from the above table, it can be known that the insulating coating prepared by the formulation of the high temperature and high pressure resistant insulating coating described in the embodiment of the present application can have more excellent high temperature and high pressure resistant effects with a thinner coating after spray curing, so that the requirement of spraying the insulating coating with a thickness of 100 μm to 150 μm on the surface of the lithium battery can be satisfied under the condition of ensuring excellent insulation, heat resistance and moisture resistance.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The formula of the high-temperature-resistant and high-pressure-resistant insulating coating is characterized by comprising the following components in parts by mass:
60-100 parts of epoxy resin, 20-80 parts of polyester imide resin, 20-80 parts of bismaleimide resin, 20-40 parts of curing agent, 40-80 parts of color filler, 2-10 parts of leveling agent and 2-20 parts of accelerator;
the epoxy resin, the polyester imide resin and the bismaleimide resin are mixed to be used as film forming base materials.
2. The formulation of the high temperature and high voltage resistant insulating paint according to claim 1, wherein the formulation is characterized in that: the curing agent comprises a phenol type phenolic amine curing agent and a benzoyl peroxide initiator, wherein the phenol type phenolic amine curing agent is 10-15 parts by weight, and the phenol peroxide initiator is 10-25 parts by weight.
3. The formulation of the high temperature and high voltage resistant insulating paint according to claim 2, wherein: the color filler is at least one of carbon black, titanium white, chrome yellow, iron oxide red, barium sulfate and calcium oxide.
4. A formulation of a high temperature and high voltage resistant insulating coating according to claim 3, characterized in that: . The leveling agent is polyether modified polydimethylsiloxane leveling agent.
5. The formulation of the high temperature and high voltage resistant insulating paint according to claim 4, wherein the formulation is characterized in that: the promoter is DMP-30.
6. The preparation method of the high-temperature-resistant and high-pressure-resistant insulating paint is characterized by comprising the following steps of:
s1: firstly, mixing 20-80 parts of polyester imide resin with 10-15 parts of phenol type phenolic aldehyde amine curing agent and 10-25 parts of benzoyl peroxide initiator, and stirring for 10-30 min by a stirrer to obtain a mixture A;
s2: mixing 40-80 parts of color filler, 60-100 parts of epoxy resin and 20-80 parts of bismaleimide resin with the mixture A, and stirring for 10-30 min by a stirrer to obtain a mixture B;
s3: grinding the mixture B in a grinder, and sending the ground product into a stirrer to stir for 10-30 min to obtain a uniform mixed product;
s4: mixing 2-10 parts of flatting agent, 2-20 parts of accelerator and the mixed product, and stirring for 30-60 min by a stirrer to obtain the insulating coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310818524.0A CN117384528B (en) | 2023-07-05 | 2023-07-05 | Formula of high-temperature-resistant high-pressure-resistant insulating paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310818524.0A CN117384528B (en) | 2023-07-05 | 2023-07-05 | Formula of high-temperature-resistant high-pressure-resistant insulating paint and preparation method thereof |
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| CN117384528A true CN117384528A (en) | 2024-01-12 |
| CN117384528B CN117384528B (en) | 2024-08-20 |
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| CN202310818524.0A Active CN117384528B (en) | 2023-07-05 | 2023-07-05 | Formula of high-temperature-resistant high-pressure-resistant insulating paint and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102079945A (en) * | 2009-11-26 | 2011-06-01 | 福保化学股份有限公司 | Surge-withstanding insulating paint with flexibility and attrition resistance |
| CN112876946A (en) * | 2021-02-03 | 2021-06-01 | 中北大学 | Heat-resistant anticorrosive powder coating for inner wall of heat supply pipeline and use method thereof |
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- 2023-07-05 CN CN202310818524.0A patent/CN117384528B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102079945A (en) * | 2009-11-26 | 2011-06-01 | 福保化学股份有限公司 | Surge-withstanding insulating paint with flexibility and attrition resistance |
| CN112876946A (en) * | 2021-02-03 | 2021-06-01 | 中北大学 | Heat-resistant anticorrosive powder coating for inner wall of heat supply pipeline and use method thereof |
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| CN117384528B (en) | 2024-08-20 |
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