CN109080232A - A kind of foamed ceramic core composite material sandwich structure and its forming method - Google Patents

A kind of foamed ceramic core composite material sandwich structure and its forming method Download PDF

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Publication number
CN109080232A
CN109080232A CN201810804236.9A CN201810804236A CN109080232A CN 109080232 A CN109080232 A CN 109080232A CN 201810804236 A CN201810804236 A CN 201810804236A CN 109080232 A CN109080232 A CN 109080232A
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China
Prior art keywords
composite material
foamed ceramic
ceramic core
sandwich structure
flame retardant
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CN201810804236.9A
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Chinese (zh)
Inventor
王钧
代巍
王浩
杨小利
苏晓岗
段华军
王翔
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Priority to CN201810804236.9A priority Critical patent/CN109080232A/en
Publication of CN109080232A publication Critical patent/CN109080232A/en
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    • 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
    • B32B5/18—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 features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • 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
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • 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
    • B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
    • 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
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • 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
    • B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
    • 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
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2061/00—Use of condensation polymers of aldehydes or ketones or derivatives thereof, as moulding material
    • B29K2061/04—Phenoplasts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
    • 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
    • B32B2250/03—3 layers
    • 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
    • B32—LAYERED PRODUCTS
    • 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
    • B32B2260/021—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
    • 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
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • 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
    • B32B2262/101—Glass fibres
    • 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
    • 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
    • B32B2262/14—Mixture of at least two fibres made of different materials
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/04—Inorganic
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/536—Hardness

Abstract

The invention discloses a kind of foamed ceramic core composite material sandwich structure, which includes foamed ceramic core material and is located at the first fiber reinforcement flame retardant composite material layer of foamed ceramic core material upper surface and the second fiber reinforcement flame retardant composite material layer of foamed ceramic core material lower surface.There are two types of the sandwich forming methods: 1. are bonded the first, second fiber reinforcement flame retardant composite material layer using flame-retardant high-molecular binder with the upper and lower surfaces of foamed ceramic core material respectively；Then solidify；2. the upper and lower surfaces difference lay down fibre in foamed ceramic core material enhances flame retardant composite material prepreg, then solidify.The present invention is using foamed ceramic as core material, fiber reinforcement flame retardant composite material is outer layer covering, form high rigidity, fire retardant foamed ceramic core composite material sandwich structure, the sandwich being prepared is applicable to high fire-protection rate, the application field of high rigidity, such as fire resistant doorsets, construction material, subway escape platform, ocean engineering platform.

Description

A kind of foamed ceramic core composite material sandwich structure and its forming method
Technical field
The invention belongs to field of compound material, and in particular to a kind of foamed ceramic core composite material sandwich structure and its molding Method.
Background technique
Foamed ceramic is a kind of inorganic more empty ceramic bodies of the high porosity with three-dimensional space grid structure, aperture from Nanoscale is to micron order etc., and the porosity is between 20%-95%, and moulding is like the foamed plastics of tempering or porcelain Sponge foaming ceramics.Due to its unique structure make it have rigidity is high, density is small, do not burn, do not absorb water, pyroconductivity is low, The characteristics such as anti-thermal shock, corrosion-resistant, high temperature resistant, weather-proof, ageing-resistant, attraction, sound insulation, have been applied to aviation, electronics, ring at present The fields such as guarantor, building.
At this stage, composite material sandwich structure is mainly using honeycomb, foamed plastic, timber, fiber reinforcement plate as core material. For example, a kind of grid structural reinforced composite material sandwich structure has been invented in Chinese patent CN 101067343A, with resin web It has been laid with fiber cloth as core material, core material two sides, and has formed fiber panel after resin solidification.Foamed ceramic compares traditional core There are material the excellent properties such as high rigidity, non-ignitable, pyroconductivity is low, durability is good, water absorption rate is low, easy bonding therefore foaming to be made pottery Porcelain substitutes traditional core material and highly expects.
At this stage, the also rare report of foamed ceramic core composite material sandwich structure, has no substantive efficient application.Foaming pottery Porcelain core sandwich is concentrated mainly on building thermal insulation material.For example, Chinese patent CN 105332489A is related to a kind of foamed ceramic Compound aluminum veneer, mainly includes exterior insulation, aluminum veneer, anchor bolt and stainless steel firmware, and the foamed ceramic is protected Warm plate is bonded through high-polymer strong binder and the veneer.Chinese patent CN 104005482A is related to a kind of foamed ceramic Insulation board and combinations thereof body, the two sides of the foamed ceramic complex material heat preservation inner core are buffering adhesive layer, color steel plate layer, institute The color steel plate layer stated, adhesive layer are fixedly connected by rivet with foamed ceramic heat insulation inner core.Patent CN202401715U is disclosed A kind of foamed ceramic and natural stone composite board, composite plate successively include foamed ceramic plate, adhesive layer and natural stone from bottom to top Material plate, foamed ceramic plate are bonded together by adhesive layer and lithotome plate.
Summary of the invention
For the technical problems in the prior art, the present invention will have the excellent characteristics such as non-ignitable, density is small, rigidity is high Foamed ceramic core material be combined with each other with high flame resistance fibre reinforced composites, obtaining a kind of has high rigidity, light, difficult Combustion and designability wait by force the composite material sandwich structure of excellent properties, to substitute the fire resistant doorsets, insulation board, subway of traditional material Escape platform, ocean engineering platform widen the application field of foam ceramic material, meanwhile, it is also high fire-protection rate, high specific stiffness It is required that field a kind of reliable material is provided.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of foamed ceramic core composite material sandwich structure, the sandwich include foamed ceramic core material and are respectively set In foamed ceramic core material upper surface the first fiber reinforcement flame retardant composite material layer and be set to the foamed ceramic core material Second fiber reinforcement flame retardant composite material layer of lower surface.
Preferably, the resin matrix of the fiber reinforcement flame retardant composite material is flame-retardant phenolic resin, flame retardant epoxy tree Rouge, flame-proof ethylene base resin or flame retardant polyurethane resin.
Preferably, the fiber is glass fibre, carbon fiber or aramid fiber.
Preferably, the bulk density of the foamed ceramic core material is 0.28-1.5g/cm3, it is furthermore preferred that foamed ceramic core The bulk density of material is 0.28-0.56g/cm3。
Preferably, the foamed ceramic core material with a thickness of 10-150mm, it is furthermore preferred that foamed ceramic core material with a thickness of 30-40mm。
Preferably, the first fiber reinforcement flame retardant composite material layer and the second fiber reinforcement flame retardant composite material layer With a thickness of 2-20mm.
Preferably, the foamed ceramic core composite material sandwich structure further includes being respectively arranged at the foamed ceramic core material And first the first flame-retardant high-molecular adhesive layer between fiber reinforcement flame retardant composite material layer and the foamed ceramic core material and The second flame-retardant high-molecular adhesive layer between second fiber reinforcement flame retardant composite material layer.
Preferably, the first flame-retardant high-molecular adhesive layer and the second flame-retardant high-molecular adhesive layer with a thickness of 1- 3mm。
Preferably, the material of the first flame-retardant high-molecular adhesive layer and the second flame-retardant high-molecular adhesive layer is flame retardant epoxy Resin adhesive.
Present invention provides the forming methods of above-mentioned foamed ceramic core composite material sandwich structure, include the following steps:
Increased using vacuum assisted resin infusion or compression molding the first fiber reinforcement flame retardant composite material layer of preparation and the second fiber Strong flame retardant composite material layer；
It will be on the first fiber reinforcement flame retardant composite material layer and the foamed ceramic core material using flame-retardant high-molecular binder Surface bonding, and the second fiber reinforcement flame retardant composite material layer and foamed ceramic core material lower surface are bonded；
It is ambient temperature curing to get arrive the foamed ceramic core composite material sandwich structure.
Present invention provides another forming method of above-mentioned foamed ceramic core composite material sandwich structure, including it is as follows Step:
Fiber is infiltrated to the prepreg of preparation fiber reinforcement flame retardant composite material with resin matrix；
In the preimpregnation of the upper and lower surfaces difference lay down fibre enhancing flame retardant composite material of the foamed ceramic core material Material；
Then solidify to get the foamed ceramic core composite material sandwich structure is arrived.
Compared with prior art, the present invention has the beneficial effects that the present invention makes plate using foamed ceramic as inner core Material has higher rigidity, lower density and more excellent flame retardant property.Fiber reinforcement is hindered by flame-retardant high-molecular adhesive layer Retardant composite material plate and foamed ceramic are connected as an entirety, are transmitted to the stress of composite panel in a more uniform manner multiple Condensation material plate improves the whole mechanical strength of interlayer；Composite panel machine-shaping mode is simple, cheap, is easy to brush And its unique texture assigns sandwich exquisiter, dazzling appearance.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of foamed ceramic core composite material sandwich structure in embodiment 1,1- foamed ceramic core Material；2- the first flame-retardant high-molecular adhesive layer；3- the first glass fiber reinforced flame retardant phenolic resin composite plate；4- second is fire-retardant Polymer bond layer；5- the second glass fiber reinforced flame retardant phenolic resin composite plate.
Fig. 2 is a kind of structural schematic diagram of foamed ceramic core composite material sandwich structure in embodiment 2,6- fiber reinforcement resistance Fire the prepreg of epoxy resin composite material.
Specific embodiment
Those skilled in the art are made to better understand technical solution of the present invention, it is right in the following with reference to the drawings and specific embodiments The present invention elaborates.
A kind of foamed ceramic core composite material sandwich structure of embodiment 1, is prepared by following methods:
Referring to Fig.1, a kind of foamed ceramic core composite material sandwich structure, including be with a thickness of 40mm, bulk density 0.28g/cm3Foamed ceramic core material 1, with a thickness of 5mm the first glass fiber reinforced flame retardant phenolic resin composite plate 3, With a thickness of the second glass fiber reinforced flame retardant phenolic resin composite plate 5 and foamed ceramic core material 1 of 5mm and the first glass The first flame-retardant high-molecular adhesive layer 2,1 and of foamed ceramic core material between glass fiber reinforcement flame-retardant phenolic resin composite panel 3 The second flame-retardant high-molecular adhesive layer 4 between second glass fiber reinforced flame retardant phenolic resin composite plate 5.First fire-retardant height The material of molecule adhesive layer 2 and the second flame-retardant high-molecular adhesive layer 4 is fire retarding epoxide resin bonding agent, and the first flame-retardant high-molecular is viscous The thickness for tying layer 2 and the second flame-retardant high-molecular adhesive layer 4 is 1.5mm.
Its forming method are as follows: it is multiple to prepare the first glass fiber reinforced flame retardant phenolic resin first with vacuum assistant resin injection Condensation material plate 3 and the second glass fiber reinforced flame retardant phenolic resin composite plate 5, then by the first glass fiber reinforced flame retardant Phenolic resin composite plate 3 is bonded in the upper surface of foamed ceramic core material 1, the second glass fibers by flame-retardant high-molecular binder Dimension enhancing flame-retardant phenolic resin composite panel 5 is bonded in the lower surface of foamed ceramic core material 1 by flame-retardant high-molecular binder, Then solidify 2 hours at normal temperature.After the good sandwich of above-mentioned bonding is carried out the post-processing such as removing surface, matter is prepared Gently, the foamed ceramic core composite material sandwich structure of high rigidity, high flame resistance.
Obtained foamed ceramic composite material sandwich structure is tested for the property, test data is as follows:
Bulk density≤300 ㎏/m3；
Compression strength >=6.0MP；
Bending stiffness >=12.0MP；
Flame retardant property: A1 grades of fire-protection rating, radiationless；
Water absorption rate≤0.2%；
Thermal coefficient≤0.06W/ (mk) (25 DEG C).
A kind of foamed ceramic core composite material sandwich structure of embodiment 2, is prepared by following methods:
Referring to Fig. 2, a kind of foamed ceramic core composite material sandwich structure, including it is with a thickness of 30mm, bulk density 0.56g/cm3Foamed ceramic core material 1 and be located at the fire-retardant rings of fiber reinforcement of 1 upper and lower surfaces of foamed ceramic core material The prepreg 6 of epoxy resin composite material.The forming method of this sandwich are as follows: using fire retarding epoxide resin wetting fibre cloth with shape At the prepreg 6 of fiber reinforcement fire-retarding epoxy resin composite material, spread respectively in the upper and lower surfaces of foamed ceramic core material 1 The prepreg 6 of fiber reinforcement fire-retarding epoxy resin composite material is put, so that fiber reinforcement fire-retarding epoxy resin composite material is pre- Leaching material 6 and foamed ceramic core material 1 form an entirety, then solidify 2h at 60 DEG C, light, high rigidity, high resistant is prepared Fire the foamed ceramic core composite material sandwich structure of performance.The fiber reinforcement of 1 upper and lower surfaces of foamed ceramic core material is fire-retardant The thickness of the prepreg 6 of epoxy resin composite material is each about 4mm.
Above-mentioned foamed ceramic composite material sandwich structure is tested for the property, test data is as follows:
Bulk density≤430 ㎏/m3；
Compression strength >=7.0MPa；
Bending stiffness >=18.0MP；
Flame retardant property: A1 grades of fire-protection rating, radiationless；
Water absorption rate≤0.15%；
Thermal coefficient≤0.06W/ (mk) (25 DEG C).
The method and standard of performance test are as follows in the embodiment of the present invention:
According to standard GB/T/T 1464-2005 test sandwich density；According to standard GB/T/T 1456- The compression strength and bending stiffness of 2005 test sandwiches；According to standard GB/T/T 2408-2008 test sandwich Flame retardant property；According to standard GB/T/T 14207-1993 test sandwich water absorption rate；According to standard GB/T/T The thermal coefficient of 3139-2005 test sandwich.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.

Claims (10)

1. a kind of foamed ceramic core composite material sandwich structure, it is characterised in that: the sandwich includes foamed ceramic core material Be respectively arranged at foamed ceramic core material upper surface the first fiber reinforcement flame retardant composite material layer and be set to the hair Steep the second fiber reinforcement flame retardant composite material layer of ceramic core material lower surface.
2. a kind of foamed ceramic core composite material sandwich structure according to claim 1, it is characterised in that: the fiber The resin matrix for enhancing flame retardant composite material is flame-retardant phenolic resin, fire retarding epoxide resin, flame-proof ethylene base resin or fire-retardant poly- Urethane resin.
3. a kind of foamed ceramic core composite material sandwich structure according to claim 1, it is characterised in that: the fiber is Glass fibre, carbon fiber or aramid fiber.
4. a kind of foamed ceramic core composite material sandwich structure according to claim 1, it is characterised in that: the foaming pottery The bulk density of porcelain core material is 0.28-1.5g/cm3。
5. a kind of foamed ceramic core composite material sandwich structure according to claim 1, it is characterised in that: the foaming pottery Porcelain core material with a thickness of 10-150mm.
6. a kind of foamed ceramic core composite material sandwich structure according to claim 1, it is characterised in that: described first is fine Dimension enhancing flame retardant composite material layer and the second fiber reinforcement flame retardant composite material layer with a thickness of 2-20mm.
7. a kind of foamed ceramic core composite material sandwich structure according to claim 1, it is characterised in that: the foaming pottery Porcelain core composite material sandwich structure further includes being respectively arranged at the foamed ceramic core material and the fire-retardant composite wood of the first fiber reinforcement The first flame-retardant high-molecular adhesive layer and the foamed ceramic core material and the second fiber reinforcement flame retardant composite material between the bed of material The second flame-retardant high-molecular adhesive layer between layer.
8. a kind of foamed ceramic core composite material sandwich structure according to claim 7, it is characterised in that: first resistance The material for firing polymer bond layer and the second flame-retardant high-molecular adhesive layer is fire retarding epoxide resin bonding agent.
9. the forming method of foamed ceramic core composite material sandwich structure according to claim 7 or 8, it is characterised in that: The forming method is to include the following steps:
It is hindered using vacuum assisted resin infusion or compression molding the first fiber reinforcement flame retardant composite material layer of preparation and the second fiber reinforcement Retardant composite material layer；
Using flame-retardant high-molecular binder by the first fiber reinforcement flame retardant composite material layer and foamed ceramic core material upper surface Bonding, and the second fiber reinforcement flame retardant composite material layer and foamed ceramic core material lower surface are bonded；
It is ambient temperature curing to get arrive the foamed ceramic core composite material sandwich structure.
10. the forming method of foamed ceramic core composite material sandwich structure according to any one of claims 1 to 6, special Sign is: the forming method is to include the following steps:
Fiber is infiltrated to the prepreg of preparation fiber reinforcement flame retardant composite material with resin matrix；
In the prepreg of the upper and lower surfaces difference lay down fibre enhancing flame retardant composite material of the foamed ceramic core material；
Then solidify to get the foamed ceramic core composite material sandwich structure is arrived.
CN201810804236.9A 2018-07-20 2018-07-20 A kind of foamed ceramic core composite material sandwich structure and its forming method Pending CN109080232A (en)

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CN111662016A (en) * 2020-05-28 2020-09-15 安徽奇艺新材塑胶有限公司 Novel heat-insulating fireproof anticorrosive waterproof composite material
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Application publication date: 20181225