CN110744889A - Nano flame-retardant sound-insulation heat-insulation material for aerospace - Google Patents

Nano flame-retardant sound-insulation heat-insulation material for aerospace Download PDF

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CN110744889A
CN110744889A CN201910899697.3A CN201910899697A CN110744889A CN 110744889 A CN110744889 A CN 110744889A CN 201910899697 A CN201910899697 A CN 201910899697A CN 110744889 A CN110744889 A CN 110744889A
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heat
aluminum foil
insulation
aerospace
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CN110744889B (en
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张翼飞
马汝军
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Suzhou Junyue New Material Technology Co Ltd
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Suzhou Junyue New Material Technology Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B2255/06—Coating on the layer surface on metal layer
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B2255/20—Inorganic coating
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/416—Reflective
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion

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Abstract

The invention provides a nano flame-retardant sound-insulation heat-insulation material for aerospace, which comprises a surface layer, a middle layer and a bottom layer, wherein the middle layer is made of porous material fibers, and the surface layer is made of nano SiO2The bottom layer of the coated mirror aluminum foil is made of an aluminum-plastic composite material. The middle of the heat-insulating material is of a porous material fiber structure, and the glass fiber for aerospace is adopted, so that the gas convection is effectively reduced, and the heat-insulating material also has excellent heat-insulating, sound-absorbing and noise-reducing performances; the bottom layer is made of an aluminum-plastic composite material and is formed by compounding multiple layers of film materials, so that the heat insulation effect is excellent; the surface layer is the mirror aluminum foil coated with the nano silicon dioxide, so that the oxidation resistance and the corrosion resistance of the aluminum foil are improved, the reflectivity of the aluminum foil is not influenced, and the material can be ensured to be used for a long time under a severe environment and not to be oxidized and corroded.

Description

Nano flame-retardant sound-insulation heat-insulation material for aerospace
Technical Field
The invention belongs to the field of heat insulation materials for aerospace, and particularly relates to a nano flame-retardant sound-insulation heat-insulation material for aerospace.
Background
The heat insulation material is a material or a material composite with remarkable resistance to heat flow, generally has a thermal coefficient lower than 0.174W/(m.k), and is widely applied to the fields of aerospace, energy power, electric and electronic appliances, building materials, pipeline transportation, food refrigeration and the like. The currently used thermal insulation materials are mainly: foam glass, polystyrene foam plastics, rubber powder polyphenyl particle thermal insulation materials, thermal insulation mortar, aerated concrete, foam asbestos, composite silicate thermal insulation materials and the like. These materials are thermally insulating in a single way, both by increasing porosity and by decreasing heat conduction, in order to reduce the overall thermal conductivity of the material, and they generally have: the damping performance is poor, the oxidation and corrosion are easy, the service life is short, and the waterproof and heat-insulating functions are gradually lost in two to three years. Meanwhile, the materials have low tensile strength in the longitudinal and transverse directions, are easy to crack when being contacted with foreign matters or pressed heavily, have poor surface flatness, low solar ray reflectivity and relatively poor heat insulation and heat preservation performance. Moreover, no air barrier layer is arranged in the material, the convection and conduction of the internal and external energy are easy to form, the heat insulation performance is seriously influenced, and finally, the material is easy to burn and has poor flame retardance.
With the low-carbon economy and environmental protection becoming the main melody of social development, energy conservation becomes one of the important concerns, and under the requirement, the adoption of the energy-saving and environment-friendly heat-insulating material reduces the building consumption and reduces the pollution to the environment, thereby occupying an important position in the economic and social development.
Particularly in the field of aerospace, the requirements on heat-insulating materials and packaging materials are extremely high, at present, the heat-insulating materials mainly depend on foreign import, and the following contents are obtained after the invention is researched in order to develop the heat-insulating materials with the requirements on flame retardance, heat insulation, light thin layers, sound absorption, noise reduction and the like.
Disclosure of Invention
In order to solve the technical problems of poor shock absorption, low transverse and longitudinal tensile strength, poor heat insulation performance and the like of the heat insulation material, the invention provides a nano flame-retardant sound-insulation heat insulation material for aerospace, which comprises a surface layer, a middle layer and a bottom layer, wherein the middle layer is made of porous material fibers, and the surface layer is made of nano SiO2The coated mirror aluminum foil has bottom layer of composite aluminum-plastic material, and the nanometer fireproof sound-isolating heat-insulating material has transverse tensile strength of 1.18 × 103KPa-3.5×103KPa, longitudinal tensile strength of 1.06 × 103KPa-2.8×103KPa, reflectivity of 0.86-0.95, and sound absorption coefficient of 0.46-0.89.
As an improvement, the aluminum-plastic composite material is sequentially provided with an LLDPE layer, an aluminum foil, a PET layer, an aluminum foil and a PET layer from inside to outside, wherein the thickness of the LLDPE layer is 20-100 mu m, the thickness of the aluminum foil is 0.02-0.5 mu m, the thickness of the PET layer is 8-25 mu m, and the thicknesses of the aluminum foil and the PET layer are selected to be the same or different.
As an improvement, the porous material fiber is one of glass fiber and ceramic fiber or a mixed fiber of the glass fiber and the ceramic fiber, and the diameter of the porous material fiber is 10-75 microns.
And as an improvement, after the surface layer and the bottom layer wrap the middle layer, vacuumizing the surface layer and the bottom layer under the vacuum degree of less than 1Pa to obtain the nano flame-retardant sound-insulation heat-insulating material.
As an improvement, the interior of the intermediate layer is doped with inorganic electrolyte solid particles with the mass fraction of 0.05-2.5%.
In an improvement, the inorganic electrolyte solid particles are any one or a combination of any several of sodium chloride, potassium chloride, magnesium chloride, calcium chloride, sodium sulfate, potassium sulfate, sodium nitrate, magnesium sulfate, potassium nitrate, magnesium nitrate and calcium nitrate.
Has the advantages that: the middle of the nano flame-retardant sound-insulation heat-insulation material for aerospace provided by the invention is of a porous material fiber structure, and the glass fiber for aerospace is adopted, so that the gas convection is effectively reduced, and the nano flame-retardant sound-insulation heat-insulation material also has excellent heat insulation, sound absorption and noise reduction performances; the bottom layer is made of an aluminum-plastic composite material and is formed by compounding multiple layers of film materials, so that the heat insulation effect is excellent; the surface layer is the mirror aluminum foil coated with the nano silicon dioxide, so that the oxidation resistance and the corrosion resistance of the aluminum foil are improved, the reflectivity of the aluminum foil is not influenced, and the material can be ensured to be used for a long time under a severe environment and not to be oxidized and corroded.
Drawings
FIG. 1 is a schematic view showing the structure of the thermal insulation material of the present invention.
Fig. 2 is a schematic structural diagram of an aluminum-plastic composite material in example 1 of the present invention.
In the drawings: 1. a surface layer; 2. an intermediate layer; 3. a bottom layer; 4. inorganic electrolyte solid particles; 5. and (3) an adhesive.
Detailed Description
The figures of the present invention are further described below in conjunction with the embodiments.
A nanometer flame-retardant sound-insulation heat-insulation material for aerospace comprises a surface layer 1, a middle layer 2 and a bottom layer 3, wherein the middle layer 2 is made of porous material fibers, and the surface layer 1 is made of nanometer SiO2The coated mirror aluminum foil, the bottom layer 3 is an aluminum-plastic composite material, wherein the transverse tensile strength of the nano flame-retardant sound-insulation heat-insulation material is 1.18 multiplied by 103KPa-3.5×103KPa, longitudinal tensile strength of 1.06 × 103KPa-2.8×103KPa, the reflectivity is 0.86-0.95, the sound absorption coefficient is 0.46-0.89, the integral heat-insulating material can realize low heat conductivity, high strength, high elasticity, high temperature resistance and corrosion resistance, and can be used as a heat-insulating material in the fields with high requirements such as aerospace and the like.
Nano SiO2The coated mirror aluminum foil is formed by coating the nano silicon dioxide coating on the surface of the mirror aluminum foil, so that the easy oxidation characteristic of the aluminum foil is effectively avoided, the antioxidation effect is realized, and meanwhile, the aluminum foil is not influencedThe reflectivity can ensure that the material can be used for a long time under a severe environment and is not oxidized and corroded.
The aluminum-plastic composite material is sequentially provided with an LLDPE layer, an aluminum foil, a PET layer, an aluminum foil and a PET layer from inside to outside, wherein the thickness of the LLDPE layer is set to be 20-100 mu m, the thickness of the aluminum foil is 0.02-0.5 mu m, the thickness of the PET layer is 8-25 mu m, the thicknesses of the aluminum foil and the PET layer are selected to be the same or different, and any two layers are bonded together through an adhesive 5.
The porous material fiber is one of glass fiber and ceramic fiber or a mixed fiber of the glass fiber and the ceramic fiber, the diameter of the porous material fiber is 10-75 microns, the porous material fiber is an aerospace grade glass fiber, and the heat conductivity coefficient is less than or equal to 0.035W/m.k.
After the surface layer 1 and the bottom layer 3 wrap the middle layer 2, the vacuumizing treatment is carried out under the vacuum degree of less than 1Pa, so that the nano flame-retardant sound-insulation heat-insulation material is obtained, the convection under the vacuum environment is very little, and the heat-insulation performance is effectively improved.
The middle layer 2 is internally doped with inorganic electrolyte solid particles 4 with the mass fraction of 0.05-2.5%. The inorganic electrolyte solid particles 4 are any one or a combination of any one of sodium chloride, potassium chloride, magnesium chloride, calcium chloride, sodium sulfate, potassium sulfate, sodium nitrate, magnesium sulfate, potassium nitrate, magnesium nitrate and calcium nitrate, preferably sodium chloride and potassium chloride, and after the electrolyte solid particles are added, convection can be effectively reduced, the strength of the porous material fibers can be enhanced, and the difficulty in compounding the porous material fibers with the surface bottom surface can be reduced.
Meanwhile, as a specific embodiment of the invention, 0.01-5.5% of nano antimony pentoxide flame retardant can be doped in the middle layer 2, the particle diameter is 1-100nm, wherein the nano antimony pentoxide can be used as the flame retardant to form the reticular carbon black, the compatibility of inorganic substances and the matrix of the polymer can be improved by utilizing the quantum size effect and the surface effect of the nano particles to enhance the interface effect, and the flame retardant effect and the remarkable effect can be achieved by greatly improving the flame retardant and the heat insulation performance of the material.
Example 1
As a specific embodiment of the invention, the thickness of LLDPE layer is 50 μm, the thickness of aluminum foil is 0.1 micron, the thickness of PET layer is 12 microns, the aluminum-plastic composite material is prepared, the middle layer is made of glass fiber, the diameter is 10-75 microns.
By carrying out neutral salt spray test on the sample, after 200h, the damage area is less than 0.1%, the surface reflectivity is detected to be more than 86%, and meanwhile, the ultraviolet radiation exposure test is carried out, and after 200h, the product can be rated as 4.
Meanwhile, the average transverse tensile strength after the measurement of the sample was 1.5X 103KPa, average longitudinal tensile strength of 2 × 103KPa, sound absorption coefficient of 0.57.
Example 2
The aluminum-plastic composite material is prepared by sequentially selecting and setting the LLDPE layer with the thickness of 90 mu m, the aluminum foil 0.5 micron, the PET layer with the thickness of 8 microns, the aluminum foil 0.1 micron, the PET layer with the thickness of 10 microns, the aluminum foil 0.15 micron and the PET layer with the thickness of 20 microns, selecting glass fibers as an intermediate layer, the diameter of the intermediate layer is 10-75 microns, the surface layer is a mirror aluminum foil coated with nano silicon dioxide, and carrying out vacuum treatment after compounding to obtain the nano flame-retardant sound-insulation heat-insulation material.
By carrying out neutral salt spray test on the sample, after 200h, the damage area is less than 0.1%, the surface reflectivity is detected to be more than 88%, and meanwhile, the ultraviolet radiation exposure test is carried out, and after 200h, the product can be rated as 4.
Meanwhile, the average transverse tensile strength after the measurement of the sample was 2.5X 103KPa, average longitudinal tensile strength of 1.06 × 103KPa, sound absorption coefficient of 0.7.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (6)

1. A nanometer flame-retardant sound-insulation heat-insulation material for aerospace is characterized in that: comprises a surface layer (1), a middle layer (2) and a bottom layer (3), wherein the middle layer (2) is made of porous material fiber, and the surface layer (1) is made of nano SiO2The coated mirror aluminum foil has a bottom layer (3) made of aluminum-plastic composite material, wherein the transverse tensile strength of the nano flame-retardant sound-insulation heat-insulation material is 1.18 multiplied by 103KPa-3.5×103KPa, longitudinal tensile strength of 1.06 × 103KPa-2.8×103KPa, reflectivity of 0.86-0.95, and sound absorption coefficient of 0.46-0.89.
2. The nano flame retardant and soundproof and heat insulating material for aerospace according to claim 1, wherein: the aluminum-plastic composite material is sequentially provided with an LLDPE layer, an aluminum foil, a PET layer, an aluminum foil and a PET layer from inside to outside, wherein the thickness of the LLDPE layer is set to be 20-100 mu m, the thickness of the aluminum foil is 0.02-0.5 mu m, the thickness of the PET layer is 8-25 mu m, and the thicknesses of the aluminum foil and the PET layer are selected to be the same or different.
3. The nano flame retardant and soundproof and heat insulating material for aerospace according to claim 1, wherein: the porous material fiber is one of glass fiber and ceramic fiber or a mixed fiber of the glass fiber and the ceramic fiber, and the diameter of the porous material fiber is 10-75 micrometers.
4. The nano flame retardant and soundproof and heat insulating material for aerospace according to claim 1, wherein: and (3) wrapping the middle layer (2) by the surface layer (1) and the bottom layer (3), and then carrying out vacuum pumping treatment under the vacuum degree of less than 1Pa to obtain the nano flame-retardant sound-insulation heat-insulating material.
5. The nano flame retardant and soundproof and heat insulating material for aerospace according to claim 1, wherein: the middle layer (2) is internally doped with inorganic electrolyte solid particles (4) with the mass fraction of 0.05-2.5%.
6. The nano flame retardant and soundproof and heat insulating material for aerospace according to claim 5, wherein: the inorganic electrolyte solid particles are any one or a combination of any more of sodium chloride, potassium chloride, magnesium chloride, calcium chloride, sodium sulfate, potassium sulfate, sodium nitrate, magnesium sulfate, potassium nitrate, magnesium nitrate and calcium nitrate.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006029686A (en) * 2004-07-15 2006-02-02 Toshiba Corp Vacuum thermal insulation panel and refrigerator using vacuum thermal insulation panel
CN201326872Y (en) * 2008-09-12 2009-10-14 王文革 Novel vacuum heat-insulating board
CN103672304A (en) * 2013-11-07 2014-03-26 苏州市君悦新材料科技有限公司 Novel nanometer thermal insulation material
CN105570620A (en) * 2016-01-19 2016-05-11 南京航空航天大学 High-temperature-resistant cold-insulation double-faced composite vacuum heat-insulating board
CN106247087A (en) * 2016-08-30 2016-12-21 苏州维艾普新材料股份有限公司 A kind of vacuum heat-insulating plate
CN108454210A (en) * 2018-04-08 2018-08-28 陈舟 A kind of vacuum insulation membrane material with electro-magnetic screen function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006029686A (en) * 2004-07-15 2006-02-02 Toshiba Corp Vacuum thermal insulation panel and refrigerator using vacuum thermal insulation panel
CN201326872Y (en) * 2008-09-12 2009-10-14 王文革 Novel vacuum heat-insulating board
CN103672304A (en) * 2013-11-07 2014-03-26 苏州市君悦新材料科技有限公司 Novel nanometer thermal insulation material
CN105570620A (en) * 2016-01-19 2016-05-11 南京航空航天大学 High-temperature-resistant cold-insulation double-faced composite vacuum heat-insulating board
CN106247087A (en) * 2016-08-30 2016-12-21 苏州维艾普新材料股份有限公司 A kind of vacuum heat-insulating plate
CN108454210A (en) * 2018-04-08 2018-08-28 陈舟 A kind of vacuum insulation membrane material with electro-magnetic screen function

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