CN109624428A - A kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate and preparation method thereof - Google Patents

A kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate and preparation method thereof Download PDF

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Publication number
CN109624428A
CN109624428A CN201811495709.8A CN201811495709A CN109624428A CN 109624428 A CN109624428 A CN 109624428A CN 201811495709 A CN201811495709 A CN 201811495709A CN 109624428 A CN109624428 A CN 109624428A
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China
Prior art keywords
glue film
thermal conductivity
sandwich construction
high thermal
honeycomb sandwich
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CN201811495709.8A
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Chinese (zh)
Inventor
韩海波
程涛
裴佩
刘仁伟
王松超
彭效海
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Shanghai Institute of Satellite Equipment
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Shanghai Institute of Satellite Equipment
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Priority to CN201811495709.8A priority Critical patent/CN109624428A/en
Publication of CN109624428A publication Critical patent/CN109624428A/en
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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
    • 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
    • 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
    • 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
    • B32B3/10—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 discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—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 discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
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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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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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
    • 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
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    • B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
    • B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
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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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207—Heat-activated adhesive
    • B32B2037/1215—Hot-melt adhesive
    • B32B2037/1223—Hot-melt adhesive film-shaped
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0076—Curing, vulcanising, cross-linking
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
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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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/302—Conductive
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • 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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    • B32B2309/04—Time
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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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/12—Pressure
    • 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
    • B32B2605/00—Vehicles
    • B32B2605/18—Aircraft

Abstract

The present invention relates to spacecraft honeycomb sandwich constructions, disclose a kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate, inner face including top panel is stained with modified upper glue film, the inner face of lower panel is stained with modified lower glue film, honeycomb core sticks among modified upper glue film and modified lower glue film, the top panel and lower panel are high thermal conductivity asphalt base carbon fiber composite materials, and glue film and modification are descended glue film compound by glue film and carbon nano-tube film and obtained in the modification.The invention also discloses the manufacturing methods of this structural slab, high thermal conductivity asphalt base carbon fiber composite material top panel and lower panel are formed by solidification of hot-press tank after asphalt base carbon fiber/epoxy prepreg laying, and top panel, carbon nano-tube film, glue film, honeycomb core, glue film, carbon nano-tube film, lower panel are put into curing molding in autoclave jointly.Gained honeycomb sandwich construction plate peel strength of the invention improves 30% or more；110~150W/ of thermal coefficient (mK) in face；The defects of without degumming, poor glue.

Description

A kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate and preparation method thereof
Technical field
The present invention relates to spacecraft honeycomb sandwich construction plates, and in particular to a kind of high-peeling strength high thermal conductivity cellular board and Preparation method.
Background technique
Honeycomb sandwich construction is a kind of special structural composite, and the sandwich material of honeycomb shape is clipped in two pieces of faces Between plate, and they are bonded mutually with glue film.Since honeycomb sandwich construction has the characteristics that specific strength and specific stiffness are high, So that honeycomb sandwich construction, which is widely used in, in the spacecraft structure of particular/special requirement weight and performance.However with Spacecraft functionality and integrated level be continuously improved, the power to structure especially to composite material sandwich structures such as load mounting plates More stringent requirements are proposed for performance and heating conduction.
Asphalt base carbon fiber composite material has the excellent performances such as high intensity, high-modulus, high thermal conductivity, is ideal mechanical property It can be with composite material both with heating conduction.But the bonding property of asphalt base carbon fiber composite material and metal is relatively weak, So that the peel strength of asphalt base carbon fiber composite honeycomb sandwich structures is limited.Carbon nanotube is polymer matrix composite Ideal reinforcement, it is compound that carbon nanotube and existing glue film are subjected to engineering, can be improved asphalt base carbon fiber composite material bee The peel strength of nest sandwich, to realize the structure of high-peeling strength and high thermal conductivity space grade honeycomb sandwich construction plate It builds.
Summary of the invention
The present invention provides a kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate and preparation method thereof, due to the prior art Middle honeycomb sandwich construction plate mechanical property and heating conduction have been unable to meet the higher demand of spacecraft structure, and the present invention selects drip Green base carbon fibre panel improves the mechanical property and heating conduction of honeycomb sandwich construction, and compound using carbon nano-tube film and glue film Peel strength is improved, to improve the poor bonding property of asphalt base carbon fiber composite material, to realize that grade high removing in space is strong Spend the building of high thermal conductivity honeycomb sandwich construction plate.
The present invention is achieved by the following technical solutions:
A kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate, including the upper surface of successively it is bonded plate, glue film, bee in modification Nest core, modified lower glue film and lower panel；The inner face of top panel is stained with modified upper glue film, the inner face of lower panel is stained with modified lower glue Film, honeycomb core stick among modified upper glue film and modified lower glue film.
Wherein, top panel and lower panel be by high thermal conductivity asphalt base carbon fiber material prepreg solidification of hot-press tank and ?.
Wherein, rubber moulding and modification are descended rubber moulding compound by autoclave by glue film and carbon nano-tube film and are obtained in modification.
A kind of above-mentioned high-peeling strength high thermal conductivity honeycomb sandwich construction plate, thickness 10mm~50mm are incremented by with 5mm.
Above-mentioned top panel and lower panel are asphalt base carbon fiber composite materials, 110~150W/ of thermal coefficient in panel (mK), fiber volume fraction 60% ± 3%, thickness 0.3mm~0.35mm.
Asphalt base carbon fiber/the epoxy prepreg, 0.1 ± 0.01mm of thickness, prepreg unit area fiber weight Measure 110~130g/m2±5g/m2, gel content 30~40%, preferably 33 ± 3%, wherein asphalt base carbon fiber thermal coefficient 380~ Between 500W/ (mK), wherein epoxy resin is common space flight grade epoxy resin 648 or AG80.
The carbon nano-tube film, is prepared using CVD method, and 5~10 μm of thickness, thermal coefficient is greater than 600W/ (mK), square Resistance is less than 3 × 10-5Ω/sq。
The glue film, thickness 0.15~0.30mm one of using J-47C or Redux312.
The honeycomb core has the durable honeycomb in hole, honeycomb core node strength using the regular hexagon of 5A02 (LF2Y) aluminium alloy Not less than 14.7N/cm, specification preferred thickness 0.03mm side length 6mm or thickness 0.04mm side length 5mm.
Another technical solution of the invention is, provides a kind of preparation of high-peeling strength high thermal conductivity honeycomb sandwich construction plate Method, described method includes following steps:
1) asphalt base carbon fiber/epoxy prepreg is used, laying is carried out according to [0/+60/-60], using autoclave Curing molding.
2) top panel, carbon nano-tube film, glue film, honeycomb core, glue film, carbon nano-tube film, lower panel are put into hot pressing jointly Curing molding in tank.
Preferably, the step 1) is specifically solidified according to the curing process of 70 DEG C/1h+120 DEG C/2h+160 DEG C/2h, When being wherein warming up to 120 DEG C, start to apply pressure, pressure is not more than 1.2MPa, preferably 0.5MPa.Cured composite wood as required Material pressure maintaining in pressure limit is cooling.
Preferably, the step 2) is specifically solidified according to the curing process of 90 DEG C/0.5h+130 DEG C/2.5h, wherein When being warming up to 60 DEG C, start to apply pressure, pressure is not more than 0.3MPa, preferably 0.05MPa.Cured composite material exists as required Pressure maintaining is cooling in pressure limit.
A kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate provided by the invention, has characteristics that
(1) peel strength improves 30% or more；
(2) 110~150W/ of thermal coefficient (mK) in honeycomb sandwich construction plate face；
(3) without degumming, poor glue the defects of.
Compared with prior art, the invention has the following beneficial effects: a kind of high-peeling strength high thermal conductivity bees of the invention Nest structural panel sandwich has the defects of preferable peel strength, no degumming, poor glue on the basis of with Thermal conductivity, Application prospect is extensive.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 is a kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate structural schematic diagram of the invention.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention Protection scope.
As shown in Figure 1, in figure: 1, top panel；2, glue film in modification；3, honeycomb core；4, modified lower glue film；5, lower panel； 6, carbon nano-tube film；7, glue film.In the present embodiment, high-peeling strength high thermal conductivity honeycomb sandwich construction plate includes successively being bonded Glue film 2, honeycomb core 3, modified lower glue film 4 and lower panel 5 on top panel 1, modification；The inner face of top panel 2 is stained with modified upper glue film 2, the inner face of lower panel 5 is stained with modified lower glue film 4, and honeycomb core viscous 3 is connected among modified upper glue film 2 and modified lower glue film 4；Above Plate 1 and lower panel 5 are all made of high thermal conductivity asphalt base carbon fiber composite material；Rubber moulding 2 and modified lower rubber moulding 4 include glue in modification Film 5 and carbon nano-tube film 6.
Top panel 1 and 5 asphalt base carbon fiber composite material of lower panel are obtained by prepreg solidification of hot-press tank.
Asphalt base carbon fiber/epoxy prepreg, 0.1 ± 0.01mm of thickness, prepreg unit area fibre weight 110 ~130g/m2±5g/m2, gel content 30~40%, preferably 33 ± 3%, wherein 380~500W/ of asphalt base carbon fiber thermal coefficient (mK) between, wherein epoxy resin is common space flight grade epoxy resin 648 or AG80；
Using asphalt base carbon fiber/epoxy prepreg, laying is carried out according to [0/+60/-60], it is solid using autoclave Chemical conversion type.Specifically solidified according to the curing process of 70 DEG C/1h+120 DEG C/2h+160 DEG C/2h, wherein when being warming up to 120 DEG C, Start to apply pressure, pressure is not more than 1.2MPa, preferably 0.5MPa.Cured composite material pressure maintaining in pressure limit as required It is cooling.
110~150W/ of thermal coefficient (mK) in gained top panel and following plate face, fiber volume fraction 60% ± 3%, Thickness 0.3mm~0.35mm.
Honeycomb core has the durable honeycomb in hole using the regular hexagon of 5A02 (LF2Y) aluminium alloy, and honeycomb core node strength is not small In 14.7N/cm, specification preferred thickness 0.03mm side length 6mm or thickness 0.04mm side length 5mm.
Glue film is one of using J-47C or Redux312,0.15~0.30mm of thickness.
Carbon nano-tube film is prepared using CVD method, and 5~10 μm of thickness, thermal coefficient is greater than 600W/ (mK), square resistance Less than 3 × 10-5Ω/sq。
Top panel, carbon nano-tube film, glue film, honeycomb core, glue film, carbon nano-tube film, lower panel are put into autoclave jointly Middle curing molding.Specifically solidified according to the curing process of 90 DEG C/0.5h+130 DEG C/2.5h, wherein being opened when being warming up to 60 DEG C Begin to apply pressure, pressure is not more than 0.3MPa, preferably 0.05MPa.Cured composite material pressure maintaining in pressure limit as required It is cooling.
High-peeling strength high thermal conductivity honeycomb sandwich construction plate thickness 10mm~50mm is incremented by with 5mm.
Above-mentioned high-peeling strength high thermal conductivity honeycomb sandwich construction plate is tested for the property, test method is as follows:
Using the BTC-T1-FR020TN.A50 universal testing machine of ZWick company, according to standard GJB 130.8-86 It is glued 90 ° of disbonded test methods of aluminum honeycomb sandwich, measures and calculate peel strength, and the blank with carbon-free nanoscale pipe toughening Batten compares, and peel strength improves 30% or more.
It is shone instrument using the LFA-457 laser of Nai Chi company, is led according to standard GB/T 22588-2008 test composite material Hot coefficient, 110~150W/ of thermal coefficient (mK) in face.
Using HS Q6 ultrasonic detector, according to standard GJB1038.1A-2004 fibre reinforced composites nondestructive testing The defects of method, asphalt base carbon fiber composite material face is without layering, loose, bubble and slag inclusion.
Using LTI-5100 laser speckle detection system, swash according to standard QJ 2915-97 honeycomb sandwich construction bonding quality Light holographic measuring method carries out bonding property detection, no exceeded position of unsticking to sandwich plate after curing molding.
A kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate provided by the invention, has characteristics that
(1) peel strength improves 30% or more；
(2) 110~150W/ of thermal coefficient (mK) in honeycomb sandwich construction plate face；
(3) without degumming, poor glue the defects of.
Compared with prior art, the invention has the following beneficial effects: a kind of high-peeling strength high thermal conductivity bees of the invention Nest structural panel sandwich has the defects of preferable peel strength, no degumming, poor glue on the basis of with Thermal conductivity. Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned particular implementations Mode, those skilled in the art can make various deformations or amendments within the scope of the claims, this has no effect on the present invention Substantive content.

Claims (10)

1. a kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate, which is characterized in that including the upper surface of being successively bonded plate, modification Upper glue film, honeycomb core, modified lower glue film and lower panel；
The inner face of the top panel is stained with modified upper glue film, the inner face of lower panel is stained with modified lower glue film, and honeycomb core, which sticks in, to be changed Property among glue film and modified lower glue film；
The top panel and lower panel are obtained by high thermal conductivity asphalt base carbon fiber material prepreg solidification of hot-press tank；
Rubber moulding and modification are descended rubber moulding compound by autoclave by carbon nano-tube film and glue film and are obtained in the modification.
2. a kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate according to claim 1, which is characterized in that with a thickness of 10mm~50mm is incremented by with 5mm.
3. a kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate according to claim 1, which is characterized in that on described Panel and lower panel, 110~150W/ of thermal coefficient (mK) in asphalt base carbon fiber composite material face face, fiber volume contains Amount 60% ± 3%, thickness 0.3mm~0.35mm.
4. a kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate according to claim 1, which is characterized in that described Asphalt base carbon fiber material prepreg, 0.1 ± 0.01mm of thickness, 110~130g/m of prepreg unit area fibre weight2 ±5g/m2, gel content 30~40%, wherein between 380~500W/ of asphalt base carbon fiber thermal coefficient (mK), wherein epoxy Resin is common space flight grade epoxy resin 648 or AG80.
5. a kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate according to claim 1, which is characterized in that the carbon Nanotube films are prepared using CVD method, and 5~10 μm of thickness, thermal coefficient is greater than 600W/ (mK), and square resistance is less than 3 × 10-5 Ω/sq。
6. a kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate according to claim 1, which is characterized in that the glue Film is one of using J-47C or Redux312,0.15~0.30mm of thickness.
7. a kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate according to claim 1, which is characterized in that described Honeycomb core has the durable honeycomb in hole, honeycomb core node strength >=14.7N/cm, rule using the regular hexagon of 5A02LF2Y aluminium alloy Lattice are thickness 0.03mm side length 6mm or thickness 0.04mm side length 5mm.
8. the preparation method of high-peeling strength high thermal conductivity honeycomb sandwich construction plate as described in claim 1, which is characterized in that packet Include following steps:
1) asphalt base carbon fiber/epoxy prepreg is used, laying is carried out according to [0/+60/-60], using solidification of hot-press tank Molding；
2) top panel, carbon nano-tube film, glue film, honeycomb core, glue film, carbon nano-tube film, lower panel are put into autoclave jointly Curing molding.
9. the preparation method of high-peeling strength high thermal conductivity honeycomb sandwich construction plate as claimed in claim 8, which is characterized in that institute It states step 1) to be solidified according to the curing process of 70 DEG C/1h+120 DEG C/2h+160 DEG C/2h, when being warming up to 120 DEG C, starts to apply Plus-pressure, pressure≤1.2MPa；The pressure maintaining in pressure limit of cured composite material is cooling as required.
10. the preparation method of high-peeling strength high thermal conductivity honeycomb sandwich construction plate as claimed in claim 8, which is characterized in that The step 2) is solidified according to the curing process of 90 DEG C/0.5h+130 DEG C/2.5h, wherein starting to apply when being warming up to 60 DEG C Plus-pressure, pressure≤0.3MPa, the pressure maintaining in pressure limit of cured composite material is cooling as required.
CN201811495709.8A 2018-12-07 2018-12-07 A kind of high-peeling strength high thermal conductivity honeycomb sandwich construction plate and preparation method thereof Pending CN109624428A (en)

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