CN111100526A - Aerogel thermal insulation coating for aluminum alloy material, fireproof thermal insulation coating layer for aluminum alloy battery pack and aluminum alloy upper cover for battery pack - Google Patents
Aerogel thermal insulation coating for aluminum alloy material, fireproof thermal insulation coating layer for aluminum alloy battery pack and aluminum alloy upper cover for battery pack Download PDFInfo
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- CN111100526A CN111100526A CN201811270499.2A CN201811270499A CN111100526A CN 111100526 A CN111100526 A CN 111100526A CN 201811270499 A CN201811270499 A CN 201811270499A CN 111100526 A CN111100526 A CN 111100526A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention belongs to the technical field of coatings, and particularly relates to an aerogel thermal insulation coating for an aluminum alloy material, a fireproof thermal insulation coating layer for an aluminum alloy battery pack, and an aluminum alloy upper cover for the battery pack. The aerogel heat insulation coating for the aluminum alloy material comprises the following components in parts by weight: 30-50 parts of a film forming agent, 10-20 parts of silica aerogel, 0.5-5 parts of a dispersing agent, 0.5-5 parts of a thickening agent, 0.5-5 parts of a defoaming agent, 0.5-5 parts of a flame retardant and 0.5-5 parts of a preservative; the film forming agent is aqueous epoxy resin emulsion. The aerogel heat-insulating coating for the aluminum alloy material is used as an inner layer, the fireproof coating is used as an outer layer, the inner layer and the outer layer form a fireproof heat-insulating coating layer for the aluminum alloy battery pack, and the coating layer acts on an upper cover of the aluminum alloy battery pack, so that the upper cover of the aluminum alloy battery pack has good fireproof heat-insulating property and can pass an external fire test in GB/T31467.3.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to an aerogel thermal insulation coating for an aluminum alloy material, a fireproof thermal insulation coating layer for an aluminum alloy battery pack, and an aluminum alloy upper cover for the battery pack.
Background
At present, the light weight of automobiles, especially new energy automobiles, has become a trend of automobile development, wherein the light weight of battery packs is one of the research focuses of researchers. Aluminum alloy materials are attracting attention as a light metal material. However, the aluminum alloy has poor heat resistance, so that the aluminum alloy has poor fire safety performance when the aluminum alloy is used as a battery pack material and the thickness of the aluminum alloy is less than 1.2 mm. At present, the fireproof heat-insulating coating is arranged on the surface of the aluminum alloy battery pack, which is one of effective methods for improving the fire resistance and the safety performance of the aluminum alloy battery pack.
An ultra-thin steel structure fireproof coating is disclosed in a Chinese patent with an authorization publication number of CN 105838171B. The coating takes nano silica aerogel as a filler, and the fire resistance of the coating is improved by improving the expansion ratio. However, the performance tests of the ultra-thin steel structure fireproof coating according to GB14907-2002 are carried out at the thickness of more than 1mm, and the heat insulation and flame retardant effects of the coating at the coating thickness of less than 1mm are not described.
Disclosure of Invention
The first purpose of the invention is to provide an aerogel thermal insulation coating for an aluminum alloy material, which has a good thermal insulation and flame retardant effect when the coating thickness is less than 1 mm.
The second purpose of the invention is to provide a fireproof heat-insulation coating layer for an aluminum alloy battery pack, which takes the aerogel heat-insulation coating as an inner layer and has better fire resistance.
The third purpose of the invention is to provide a battery aluminum-clad alloy upper cover, which is provided with the fireproof and heat-insulating coating layer and has better heat-insulating and fireproof performances.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the aerogel thermal insulation coating for the aluminum alloy material comprises the following components in parts by weight: 30-50 parts of a film forming agent, 10-20 parts of nano silicon dioxide aerogel, 0.5-5 parts of a dispersing agent, 0.5-5 parts of a thickening agent, 0.5-5 parts of a defoaming agent, 0.5-5 parts of a flame retardant and 0.5-5 parts of a preservative; the film forming agent is aqueous epoxy resin emulsion.
The invention takes water-based epoxy resin emulsion as a film forming agent. The aqueous epoxy resin emulsion has higher viscosity, and can improve the viscosity of the aerogel heat-insulating coating. The invention takes nano-silica aerogel as a filler. The unique nanopore structure of the nano silicon dioxide aerogel limits free flow of air molecules, inhibits convection conduction of air, and infinite pore walls form a reflecting surface and a refracting surface of heat radiation, so that the nano silicon dioxide aerogel has an infinite heat insulation plate effect and can inhibit radiation heat conduction to the maximum extent.
The aerogel heat insulation coating for the aluminum alloy material has good flame-retardant and fire-resistant performance under a low expansion ratio. The flame retardance of the coating with the thickness of less than 0.5mm reaches horizontal HB and vertical V0, can resist flame burning exceeding 1300 ℃, and is self-extinguished after being left from the fire within about 2 s. The aerogel heat-insulating coating for the aluminum alloy material has high viscosity of about 8 ten thousand Pa.s and 0-grade adhesive force, can be firmly adhered with a substrate, and has good water resistance, acid resistance and alkali resistance. The aerogel thermal insulation coating has high solid content which is not less than 85%.
The flame retardant is one or a combination of more of tributyl phosphate, ammonium polyphosphate, aluminum hydroxide and expanded graphite. The flame retardant is added to improve the flame retardant property of the aerogel coating.
The utility model provides an aluminum alloy is fire prevention heat insulating paint layer for battery package, this fire prevention heat insulating paint layer includes inlayer insulating layer and skin flame retardant coating, inlayer insulating layer is formed by above-mentioned aerogel heat insulating paint for the aluminum alloy material.
The inner layer of the fireproof heat-insulation coating layer for the aluminum alloy battery pack is a heat-insulation layer, the outer layer is a fireproof layer, so that a fire source is blocked by the fireproof coating when the outer layer is contacted with flame, meanwhile, heat is prevented from being conducted inwards by the heat-insulation coating, and the inner layer and the outer layer exert respective maximum advantages to achieve the purposes of fire prevention and heat insulation.
The outer fireproof layer is formed by fireproof paint. The fireproof coating has better fireproof performance and can act synergistically with the inner heat-insulating layer.
The fireproof coating comprises the following components in parts by weight: 30-50 parts of a film forming agent, 10-20 parts of a filler, 0.5-10 parts of a dispersing agent, 0.5-5 parts of a thickening agent, 0.5-5 parts of a defoaming agent, 0.5-7 parts of a flame retardant, 5-10 parts of a foaming agent and 0.5-5 parts of a preservative; the filler is one or a combination of more of alumina, silica and zirconia.
The fireproof coating provided by the invention adopts the inorganic ceramic material with relatively high hardness as the filler, so that the wear resistance of the coating is improved, and the coating is not easy to scrape off after being coated and formed. Meanwhile, the filler is heated and then is ceramized to form a ceramic membrane, so that the fireproof and heat-insulating effects can be achieved.
The foaming agent is one or a combination of more of melamine, ammonium polyphosphate, ammonium phosphate salt, ammonium borate and amino resin. After heated, the flame retardant is rapidly expanded and carbonized under the action of the foaming agent to form a carbonized layer, and the effects of fire prevention and heat insulation can be achieved.
The utility model provides a battery package aluminum alloy upper cover, includes upper cover base member and sets up above-mentioned aluminum alloy battery on the upper cover base member and wraps and use fire prevention thermal-insulated coating layer.
The mutual coordination of the inner heat-insulating layer and the outer fireproof layer ensures that the temperature of the aluminum alloy upper cover is lower than the melting point of the aluminum alloy upper cover, and ensures that the aluminum alloy upper cover is in a perfect structure, does not collapse, does not melt and does not burn through in an external fire experiment specified in the national standard GB/T31467.3-2015.
The thickness of inlayer insulating layer is 0.1~0.5mm, and the thickness of outer flame retardant coating is 0.1~0.5 mm. The coating layer of the invention has better fireproof and heat-insulating effects under lower thickness.
Detailed Description
The dispersant used by the aerogel heat insulation coating for the aluminum alloy material is one or a combination of more of sodium polyacrylate, polyethylene glycol, polyvinyl alcohol and sodium metaphosphate.
The thickening agent used by the aerogel heat insulation coating for the aluminum alloy material is one or a combination of more of hydroxyethyl cellulose, sodium carboxymethyl cellulose and lithium bentonite.
The preservative used by the aerogel heat insulation coating for the aluminum alloy material is one or a combination of more of potassium sorbate, sodium citrate and sodium benzoate.
The aerogel heat insulation coating for the aluminum alloy material further comprises 0.5-5 parts by weight of a film forming aid, wherein the film forming aid is one or a combination of more of ethylene glycol, glycerol and pentaerythritol.
The aerogel heat insulation coating for the aluminum alloy material further comprises 0.5-5 parts by weight of pigment, wherein the pigment is one or a combination of titanium dioxide, zinc oxide and lithopone.
The film-forming agent used by the fireproof coating on the outer layer of the fireproof heat-insulation coating layer for the aluminum alloy battery pack is one or a combination of several of organic silicon modified acrylic emulsion, aqueous polyurethane emulsion and aqueous epoxy resin emulsion.
The dispersant used by the fireproof coating on the outer layer of the fireproof heat-insulation coating layer for the aluminum alloy battery pack is one or a combination of more of sodium polyacrylate salt, polyethylene glycol, polyvinyl alcohol and sodium dodecyl benzene sulfonate.
The thickening agent used by the fireproof coating on the outer layer of the fireproof heat-insulation coating layer for the aluminum alloy battery pack is one or a combination of more of hydroxyethyl cellulose, sodium carboxymethyl cellulose and lithium bentonite.
The fire retardant used by the fire-retardant coating on the outer layer of the fire-retardant heat-insulation coating layer for the aluminum alloy battery pack is one or a combination of more of tributyl phosphate, ammonium polyphosphate, aluminum hydroxide and expanded graphite.
The preservative used in the fireproof coating on the outer layer of the fireproof heat-insulation coating layer for the aluminum alloy battery pack is one or a combination of potassium sorbate, sodium citrate and sodium benzoate.
The fireproof coating on the outer layer of the fireproof heat-insulation coating layer for the aluminum alloy battery pack further comprises 0.5-10 parts by weight of a film-forming aid, wherein the film-forming aid is one or a combination of more of ethylene glycol, glycerol and pentaerythritol.
The fireproof coating on the outer layer of the fireproof heat-insulation coating layer for the aluminum alloy battery pack further comprises 0.5-5 parts by weight of pigment, wherein the pigment is one or a combination of titanium dioxide, zinc oxide, lithopone and antimony trioxide.
The present invention will be further described with reference to the following specific examples.
Example 1 of aerogel thermal barrier coating material for aluminum alloy Material
The aerogel thermal insulation coating for the aluminum alloy material comprises the following components in parts by weight: 50 parts of aqueous epoxy resin emulsion, 20 parts of nano silicon dioxide aerogel powder, 5 parts of dispersing agent, 2 parts of thickening agent, 2 parts of defoaming agent, 5 parts of flame retardant and 1 part of preservative.
The dispersing agent is sodium polyacrylate, the thickening agent is sodium carboxymethylcellulose, the defoaming agent is an organic silicon defoaming agent, the flame retardant is expanded graphite, and the preservative is sodium sorbate.
Example 2 of aerogel thermal barrier coating for aluminum alloy Material
The aerogel thermal insulation coating for the aluminum alloy material comprises the following components in parts by weight: 45 parts of aqueous epoxy resin emulsion, 20 parts of nano silicon dioxide aerogel powder, 5 parts of dispersing agent, 5 parts of thickening agent, 5 parts of defoaming agent, 5 parts of flame retardant and 2 parts of preservative.
The dispersing agent is sodium metaphosphate, the thickening agent is sodium carboxymethylcellulose, the defoaming agent is an organic silicon defoaming agent, the flame retardant is aluminum hydroxide, and the preservative is sodium sorbate.
Example 3 of aerogel thermal barrier coating for aluminum alloy Material
The aerogel thermal insulation coating for the aluminum alloy material comprises the following components in parts by weight: 30 parts of aqueous epoxy resin emulsion, 5 parts of film-forming additive, 15 parts of nano silicon dioxide aerogel powder, 0.5 part of dispersing agent, 4 parts of thickening agent, 1 part of defoaming agent, 1 part of flame retardant and 5 parts of preservative.
The film-forming assistant is ethylene glycol, the dispersant is polyethylene glycol, the thickener is hydroxyethyl cellulose, the defoaming agent is an organic silicon defoaming agent, the flame retardant is tributyl phosphate, and the preservative is sodium benzoate.
Example 4 of aerogel thermal barrier coating for aluminum alloy Material
The aerogel thermal insulation coating for the aluminum alloy material comprises the following components in parts by weight: 40 parts of aqueous epoxy resin emulsion, 2 parts of film-forming additive, 2 parts of pigment, 10 parts of nano silicon dioxide aerogel powder, 2 parts of dispersing agent, 1 part of thickening agent, 0.5 part of defoaming agent, 3 parts of flame retardant and 0.5 part of preservative.
The film-forming assistant is glycerol, the pigment is titanium dioxide, the dispersing agent is polyvinyl alcohol, the thickening agent is lithium bentonite, the defoaming agent is an organic silicon defoaming agent, the flame retardant is expanded graphite, and the preservative is potassium sorbate.
Example 1 of the fireproof and heat-insulating coating layer for aluminum alloy battery pack
The fireproof heat-insulation coating layer for the aluminum alloy battery pack comprises an inner heat-insulation layer and an outer fireproof layer, wherein the inner heat-insulation layer is formed by the coating of the aerogel heat-insulation coating for the aluminum alloy material in the embodiment 1.
The fireproof coating of the outer fireproof layer comprises the following components in parts by weight: 40 parts of film forming agent, 15 parts of filler, 10 parts of film forming additive, 5 parts of pigment, 10 parts of dispersing agent, 5 parts of thickening agent, 3 parts of defoaming agent, 5 parts of flame retardant, 5 parts of foaming agent and 2 parts of preservative. The filler is silicon dioxide, the film forming agent is organic silicon modified acrylic emulsion, the film forming additive is ethylene glycol, the pigment is antimony trioxide, the dispersing agent is sodium dodecyl benzene sulfonate, the thickening agent is lithium bentonite, the defoaming agent is an organic silicon defoaming agent, the flame retardant is a combination of expanded graphite and pentaerythritol, the foaming agent is melamine, and the preservative is potassium sorbate.
Example 2 of the fireproof and heat-insulating coating layer for aluminum alloy battery pack
The fireproof heat-insulation coating layer for the aluminum alloy battery pack comprises an inner heat-insulation layer and an outer fireproof layer, wherein the inner heat-insulation layer is formed by the coating of the embodiment 2 of the aerogel heat-insulation coating for the aluminum alloy material.
The fireproof coating of the outer fireproof layer comprises the following components in parts by weight: 50 parts of film forming agent, 15 parts of filler, 10 parts of film forming additive, 3 parts of pigment, 5 parts of dispersing agent, 2 parts of thickening agent, 2 parts of defoaming agent, 7 parts of flame retardant, 5 parts of foaming agent and 1 part of preservative. The filler is aluminum oxide, the film forming agent is aqueous epoxy resin emulsion, the film forming additive is glycerol, the pigment is titanium dioxide, the dispersing agent is sodium polyacrylate, the thickening agent is sodium carboxymethyl cellulose, the defoaming agent is an organic silicon defoaming agent, the flame retardant is pentaerythritol, the foaming agent is ammonium polyphosphate, and the preservative is sodium sorbate.
Example 3 of a fireproof and heat-insulating coating layer for an aluminum alloy battery pack
The fireproof heat-insulation coating layer for the aluminum alloy battery pack comprises an inner heat-insulation layer and an outer fireproof layer, wherein the inner heat-insulation layer is formed by the coating of the embodiment 3 of the aerogel heat-insulation coating for the aluminum alloy material.
The fireproof coating of the outer fireproof layer comprises the following components in parts by weight: 30 parts of film forming agent, 5 parts of film forming auxiliary agent, 1 part of pigment, 3 parts of dispersing agent, 1 part of thickening agent, 1 part of defoaming agent, 3 parts of flame retardant, 8 parts of foaming agent and 5 parts of preservative. The filler is silicon oxide, the film forming agent is aqueous polyurethane emulsion, the film forming additive is ethylene glycol, the pigment is zinc oxide, the dispersing agent is polyvinyl alcohol, the thickening agent is hydroxyethyl cellulose, the defoaming agent is an organic silicon defoaming agent, the flame retardant is tributyl phosphate, the foaming agent is amino resin, and the preservative is sodium citrate.
Example 4 of the fireproof and heat-insulating coating layer for aluminum alloy battery pack
The fireproof heat-insulation coating layer for the aluminum alloy battery pack comprises an inner heat-insulation layer and an outer fireproof layer, wherein the inner heat-insulation layer is formed by the coating of the embodiment 4 of the aerogel heat-insulation coating for the aluminum alloy material.
The fireproof coating of the outer fireproof layer comprises the following components in parts by weight: 45 parts of film forming agent, 1 part of film forming auxiliary agent, 0.5 part of pigment, 1 part of dispersing agent, 3 parts of thickening agent, 5 parts of defoaming agent, 1 part of flame retardant, 7 parts of foaming agent and 0.5 part of preservative. The filler is zirconium oxide, the film-forming agent is organic silicon modified acrylic emulsion, the film-forming additive is glycerol, the pigment is lithopone, the dispersing agent is sodium polyacrylate, the thickening agent is sodium carboxymethylcellulose, the defoaming agent is an organic silicon defoaming agent, the flame retardant is ammonium polyphosphate, the foaming agent is ammonium borate, and the preservative is sodium benzoate.
Example 1 of a Battery aluminum alloy-clad cover
The battery package aluminum alloy upper cover of this embodiment includes the upper cover base member and sets up the coating of the aluminium alloy battery package of using fireproof heat insulating coating layer embodiment 1 on the upper cover base member. The thickness of the inner layer heat insulation layer of the fireproof heat insulation coating layer for the aluminum alloy battery pack is 0.4mm, the thickness of the outer layer fireproof layer is 0.4mm, and the thickness of the upper cover substrate is 0.8 mm.
Example 2 of the aluminum alloy-clad Battery Upper cover
The battery package aluminum alloy upper cover of this embodiment includes the upper cover base member and sets up the coating of the aluminum alloy battery package of using fireproof heat insulating coating embodiment 2 on the upper cover base member. The thickness of the inner layer heat insulation layer of the fireproof heat insulation coating layer for the aluminum alloy battery pack is 0.3mm, the thickness of the outer layer fireproof layer is 0.2mm, and the thickness of the upper cover substrate is 0.8 mm.
Example 3 of an aluminum alloy-clad Battery Upper cover
The battery package aluminum alloy upper cover of this embodiment includes the upper cover base member and sets up the coating layer of the aluminum alloy battery package of embodiment 3 with the fire prevention thermal-insulated coating layer on the upper cover base member. The thickness of the inner layer heat insulation layer of the fireproof heat insulation coating layer for the aluminum alloy battery pack is 0.1mm, the thickness of the outer layer fireproof layer is 0.5mm, and the thickness of the upper cover substrate is 0.6 mm.
Example 4 of an aluminum alloy-clad Battery Upper cover
The battery package aluminum alloy upper cover of this embodiment includes the upper cover base member and sets up the coating of the aluminum alloy battery package of thermal-insulated coating layer embodiment 4 of preventing fires on the upper cover base member. The thickness of the inner layer heat insulation layer of the fireproof heat insulation coating layer for the aluminum alloy battery pack is 0.5mm, the thickness of the outer layer fireproof layer is 0.1mm, and the thickness of the upper cover substrate is 1.2 mm.
Test example 1
And (3) testing the physical properties of solid content, adhesive force and viscosity of the aerogel thermal insulation coating in the embodiment 1-2 of the aerogel thermal insulation coating for the aluminum alloy material.
The specific test method of the solid content is a baking method; the specific test method of the adhesive force is a grid cutting method; the specific test method for viscosity is a rotational viscometer test. The test results are shown in Table 1.
Table 1 physical property test results
| Item | Solid content | Adhesion force | Viscosity (Pa. s) |
| Example 1 | 85％ | Level 0 | 79859 |
| Example 2 | 87％ | Level 0 | 78933 |
As can be seen from table 1, the inner layer thermal insulation coating used in example 1 and example 2 is aerogel thermal insulation coating for aluminum alloy material, the solid content thereof respectively reaches 85% and 87%, the adhesion force measured by cross-cut method is 0 grade, and the viscosity measured by rotational viscometer is about 8 ten thousand Pa · s.
Test example 2
The aerogel thermal insulation coating in the embodiment 1-2 of the aerogel thermal insulation coating for the aluminum alloy material was subjected to a flame retardancy test and a self-extinguishing test from a fire in accordance with the UL94 standard. The test results are shown in Table 2.
TABLE 2 flame retardancy test results
As can be seen from Table 2, the flame retardant properties of the aerogel thermal insulation coatings used in examples 1 and 2 reach the horizontal HB and vertical V0 levels, and the aerogel thermal insulation coatings do not have an ignition phenomenon when burned by flame at 1300 ℃ and are self-extinguished within 2s from the fire.
Test example 3
The firing test was performed on the aluminum alloy-clad battery covers of examples 1 to 3. The specific test method refers to the national standard GB-T31467.3-2015 lithium ion power storage battery pack for electric vehicles and the No. 3 part of the system: safety requirements and test methods. The test result shows that the expansion of the fireproof coating plays a role in fire prevention and heat insulation, and the aluminum alloy upper cover is not burnt through, burnt to leak and deformed and is intact.
Claims (8)
1. The aerogel thermal insulation coating for the aluminum alloy material is characterized by comprising the following components in parts by weight: the paint comprises the following components in parts by weight: 30-50 parts of a film forming agent, 10-20 parts of silica aerogel, 0.5-5 parts of a dispersing agent, 0.5-5 parts of a thickening agent, 0.5-5 parts of a defoaming agent, 0.5-5 parts of a flame retardant and 0.5-5 parts of a preservative; the film forming agent is aqueous epoxy resin emulsion.
2. The aerogel thermal insulation coating for an aluminum alloy material according to claim 1, wherein: the flame retardant is one or a combination of more of tributyl phosphate, ammonium polyphosphate, aluminum hydroxide and expanded graphite.
3. The utility model provides an aluminum alloy battery is fire prevention thermal-insulated dope layer for package which characterized in that: the fireproof heat insulation coating layer comprises an inner heat insulation layer and an outer fireproof layer, wherein the inner heat insulation layer is formed by the aerogel heat insulation coating for the aluminum alloy material according to claim 1.
4. The aluminum alloy battery pack fire-proof and heat-insulating coating layer according to claim 3, wherein: the outer fireproof layer is formed by fireproof paint.
5. The aluminum alloy battery pack fire-proof and heat-insulating coating layer according to claim 4, wherein: the fireproof coating comprises the following components in parts by weight: 30-50 parts of a film forming agent, 10-20 parts of a filler, 0.5-10 parts of a dispersing agent, 0.5-5 parts of a thickening agent, 0.5-5 parts of a defoaming agent, 0.5-7 parts of a flame retardant, 5-10 parts of a foaming agent and 0.5-5 parts of a preservative; the filler is one or a combination of more of alumina, silica and zirconia.
6. The aluminum alloy battery pack fire-proof and heat-insulating coating layer of claim 5, wherein: the foaming agent is one or a combination of more of melamine, ammonium polyphosphate, ammonium phosphate salt, ammonium borate and amino resin.
7. The utility model provides a battery package aluminum alloy upper cover which characterized in that: the aluminum alloy battery pack fireproof heat insulation coating comprises an upper cover substrate and the fireproof heat insulation coating layer for the aluminum alloy battery pack, wherein the fireproof heat insulation coating layer is arranged on the upper cover substrate.
8. The aluminum-clad alloy upper cover for a battery according to claim 7, wherein: the thickness of the inner layer heat-insulating layer of the fireproof heat-insulating coating layer for the aluminum alloy battery pack is 0.1-0.5 mm, and the thickness of the outer layer fireproof layer is 0.1-0.5 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811270499.2A CN111100526A (en) | 2018-10-29 | 2018-10-29 | Aerogel thermal insulation coating for aluminum alloy material, fireproof thermal insulation coating layer for aluminum alloy battery pack and aluminum alloy upper cover for battery pack |
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| CN201811270499.2A CN111100526A (en) | 2018-10-29 | 2018-10-29 | Aerogel thermal insulation coating for aluminum alloy material, fireproof thermal insulation coating layer for aluminum alloy battery pack and aluminum alloy upper cover for battery pack |
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| CN111978802A (en) * | 2020-08-19 | 2020-11-24 | 上海多邦涂料有限公司 | Heat-insulating coating and preparation method thereof |
| CN112592625A (en) * | 2021-01-06 | 2021-04-02 | 成都途伊棠涂料科技有限公司 | Preparation method of reflective heat-insulation heat-preservation composite building coating |
| CN112625549A (en) * | 2021-01-06 | 2021-04-09 | 成都途伊棠涂料科技有限公司 | Preparation method of wear-resistant super-hydrophobic composite ceramic coating |
| WO2022077369A1 (en) * | 2020-10-15 | 2022-04-21 | 深圳市艾比森光电股份有限公司 | Fireproof coating and led display screen with fireproof coating |
| WO2022092648A1 (en) * | 2020-10-28 | 2022-05-05 | 광성기업 주식회사 | Electric vehicle battery pack case comprising continuous fibers and discontinuous fibers |
| CN116041995A (en) * | 2022-12-23 | 2023-05-02 | 杭州明敏涂料有限公司 | Reflective heat-insulating diatom inorganic heat-insulating coating and preparation process thereof |
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| CN111978802A (en) * | 2020-08-19 | 2020-11-24 | 上海多邦涂料有限公司 | Heat-insulating coating and preparation method thereof |
| WO2022077369A1 (en) * | 2020-10-15 | 2022-04-21 | 深圳市艾比森光电股份有限公司 | Fireproof coating and led display screen with fireproof coating |
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| CN112592625A (en) * | 2021-01-06 | 2021-04-02 | 成都途伊棠涂料科技有限公司 | Preparation method of reflective heat-insulation heat-preservation composite building coating |
| CN112625549A (en) * | 2021-01-06 | 2021-04-09 | 成都途伊棠涂料科技有限公司 | Preparation method of wear-resistant super-hydrophobic composite ceramic coating |
| CN116041995A (en) * | 2022-12-23 | 2023-05-02 | 杭州明敏涂料有限公司 | Reflective heat-insulating diatom inorganic heat-insulating coating and preparation process thereof |
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