CN104527181A - Epoxy foamed sandwich composite material and preparation method thereof - Google Patents
Epoxy foamed sandwich composite material and preparation method thereof Download PDFInfo
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- CN104527181A CN104527181A CN201510024686.2A CN201510024686A CN104527181A CN 104527181 A CN104527181 A CN 104527181A CN 201510024686 A CN201510024686 A CN 201510024686A CN 104527181 A CN104527181 A CN 104527181A
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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
- 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
-
- 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
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/28—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
-
- 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
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
Abstract
The invention discloses an epoxy foamed sandwich composite material and a preparation method thereof. The sandwich composite material consists of a core material, a surface material and a damping layer, wherein the core material is an epoxy foamed plastic reinforced by a hollow glass bead, the surface material is epoxy glass fiber reinforced by glass fiber gridding cloth, and the damping layer is polyether type polyurethane elastomer. According to the composite material disclosed by the invention, polyurethane elastomer which is excellent in binding performance and damping performance is taken as a bonding and damping layer between the foamed core material and the core material, and between the core material and the surface material; the prepared foamed sandwich structure composite material has the integrated function of light weight, high strength, sound insulation, heat insulation, damping, vibration attenuation and noise reduction, so that the comprehensive performance of the material is improved.
Description
Technical field
The present invention relates to a kind of foam core filled composite material, belong to polymer sandwich material category, be specifically related to one and there is sound insulation, thermal insulation, damping, vibration damping, decrease of noise functions integrated foam core filled composite material and manufacture method thereof.
Background technology
Foam core material just used as composite in nineteen forties, within 1970, succeeded in developing epoxy foam battenboard, it has quality is light, specific strength is high, good shock resistance energy absorption characteristics, for building material industry.Foam core filled composite material can weaken noise and vibrations, has the performances such as sound insulation, thermal insulation, vibration damping, noise reduction, antifatigue.The mechanism of action of foam core material is that shearing force is transmitted to internal layer from epidermal area, makes two epidermal areas can keep stable under Static and dynamic load, and absorbs impact energy to provide anti-damage performance.
At present Aeronautics and Astronautics, navigation and other engineering fields to have low-density, high rigidity, large vibration damping and noise reducing composite demand constantly increase, because core filled composite material has good specific stiffness, specific strength, large damping characteristic, be widely used in the field such as vibration damping, sound absorption, noise reduction of naval vessels, submersible.
Chinese patent CN 201110037996.X has reported a kind of sandwich damp composite material, is made up of skin, internal layer and damping layer.Its ectomesoderm is structure sheaf, and be that a kind of high rigidity fibers strengthens polymer matrix composites, internal layer is sandwich of layers, is made up of rigid foam.Damping layer is between structure sheaf and structure sheaf or between structure sheaf and sandwich of layers.Skin and the internal layer of material form sandwich structure jointly, to provide the Rigidity and strength of material monolithic, make material have higher structural damping vibration and noise reducing performance.
Chinese patent CN200810054400.5 relates to a kind of foam sandwich extensional organization composite material and preparation method thereof.This composite comprises upper layer, cutting optimal and foam sandwich laminate, foam sandwich laminate and upper and lower surface layer suture as a whole, and adopt a resin transfer molding (RTM) process shot shaping, the outer surface flat smooth of upper layer and cutting optimal.Composites of the present invention is good, long service life, and shape and structure size is accurate, and good mechanical performance.
Japan Patent JP 61287934 discloses the damp composite material that a kind of direct employing damp type unsaturated-resin makes, the reinforcing material that non-woven fabrics impregnating resin makes, 0 DEG C, under 500Hz condition the fissipation factor of composite up to 0.32.European patent EP 0337443A discloses a kind of damp composite material, and its resin matrix adopts m-xylene diamine and the synthesis of straight-chain aliphatic dibasic ester, and be called for short " MX nylon ", reinforcing material adopts glass fibre.
Above patent does not all relate to the preparation method of epoxy foam sandwich composite with sound insulation, thermal insulation, damping, vibration damping, decrease of noise functions integration.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of foam sandwich structural composite material, be characterized in adopting the polyurethane elastomer with good adhesion performance and damping capacity, as the gluing damping layer between foam core material and structure plane materiel, obtained damping foam sandwich construction composite, there is sound insulation, thermal insulation, damping, vibration damping, noise reduction integrated function, thus promote the combination property of material.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Epoxy foam core filled composite material provided by the invention, is made up of epoxy foam core, structure surface layer and damping coatings:
(1) epoxy foam core: epoxy foam core is made up of first, second, the third three components:
First component is made up of the composition of each mass fraction following: 100 parts of epoxy resin, 20-25 part epoxy active diluent, 2-5 part surfactant, 2-4 part foam stabiliser and blowing agents, 1-1.5 part silane coupler, 1-2 part thixotropic agent;
Second component is curing agent, is made up of the composition of each mass fraction following: 70 parts of fatty amines, 30 parts of aromatic amines and 0.5 part of catalyst form;
Third component is hollow glass micropearl;
The weight proportion of first, second, the third three kinds of components is 100:20-30:20-40.
(2) damping coatings: this damping coatings is two components, and component A is Isocyanate prepolymers body, is made up of PPG and polyisocyanates, and relationship between quality is between the two: 100:30-40;
B component is in 100 mass parts PPGs: PPG 100 parts, amine chainextender 25--35 part, silicone defoaming agent 4--7 part, silane coupler 10--14 part, filler 240-350 parts.
(3) structure surface layer: surface layer is a kind of fiberglass gridding cloth reinforced epoxy fiberglass, by A, B two component form, A, B two the weight ratio of component be 100:12-15.
Component A comprises the component of following parts by weight: epoxy resin 100 parts, epoxy active diluent 25--35 part, silicone defoaming agent 2--8 part, silane coupler 4--9 part, filler 300--350 part;
B component and curing agent, comprise the component of following parts by weight: Versamid 30--60 part, phenolic aldehyde ethylenediamine 12--15 part, catalyst 1-2 parts; Reinforcing material is fiberglass gridding cloth.
Described epoxy resin is selected from the one in following ingredients: bisphenol A epoxide resin (trade mark E-51, E-54, E-44), epoxide equivalent 179--244g/eq; Bisphenol F epoxy resin (trade mark CYD F-170, DER-354-LV) epoxide equivalent 162--185g/eq; Cycloaliphatic epoxy resin (trade mark H-71, TDE-85) epoxide equivalent 115--156g/eq.
Described epoxy active diluent is selected from the one in following ingredients: n-butyl glycidyl ether (BGE), phenyl glycidyl ether (PGE), diethylene glycol diglycidyl ether (DGE), resorcinolformaldehyde resin (RDE), trihydroxymethylpropanyltri diglycidyl ether (TMPGE).
In the second curing components agent of described epoxy foam core,
Fatty amine be selected from following component one or more:
Polyamide: eleostearic acid dimer caprolactam adducts, linoleic acid dimer triethylene tetramine addition product;
Armeen and addition product thereof: diethylenetriamine, triethylene tetramine, diethylenetriamine butyl glycidyl ether (593);
Alicyclic polyamine: hexamethylene dimethylamine, N-aminoethylpiperazine;
Aromatic amine be selected from following component one or more:
Aromatic polyamine: m-xylene diamine, DADPS, diaminodiphenyl-methane, diethyl diaminodiphenyl-methane;
Catalyst be selected from following component one or more:
2,4,6-tri-(dimethylamino methyl) phenol (DMP-30), benzyl dimethylamine, 2-ethyl-4-methylimidazole.
Silane coupler described above be selected from following ingredients one or more: γ-(2,3-glycidoxy) propyl trimethoxy silicane (KH-560), gamma-aminopropyl-triethoxy-silane (KH--550), γ-methacryloxypropyl trimethoxy silane (KH-570), γ-Mercapto propyl-triethoxysilicane (KH-590).
Blowing agent is selected from the one in following ingredients: Celogen Az (AC), azo-bis-isobutyl cyanide (AZDN), OBSH, sodium acid carbonate, carbonic hydroammonium, ethanol, toluene.
Surfactant described above is selected from the one in following ingredients: Tween-81 (Tween 80), polyoxyethylene sorbitol acid anhydride laurate (polysorbas20), OPEO (OP-10), dimethyl siloxane-polyalkylene oxide copolymer.
Thixotropic agent described above is selected from the one in following ingredients: aerosil, organobentonite, metal soap powder.
In structure surface layer described above in B component,
Versamid be selected from following component one or more: linoleic acid dimer triethylene tetramine, eleostearic acid dimer diethylenetriamine, eleostearic acid dimer caprolactam;
Catalyst be selected from following component one or more: 2,4,6-tri-(dimethylamino methyl) phenol, nonyl phenol, benzyl dimethylamine, 2-ethyl-4-methylimidazole.
The present invention also provides a kind of method preparing described epoxy foam core filled composite material, comprises the following steps:
(1) preparation of epoxy foam core:
Epoxy foam core is made up of the first and second the third three components:
The preparation of first component:
Take epoxy resin, epoxy active diluent, surfactant, silane coupler, foam stabiliser, blowing agent, thixotropic agent, be placed in 500mL vinyon cup, mix obtained epoxy foaming mixture first component with electric mixer;
The preparation of second curing components agent:
Take fatty amine, aromatic amine and catalyst to stir in 500mL vinyon cup obtained amine hardener second component; Third component is density is 0.25g/cm
3be 0.15g/cm with density
3through the hollow glass micropearl of grating;
Prepare in mass ratio with first, second two component, add hollow glass micropearl in batches and be uniformly mixed, mixture is injected mould after being uniformly mixed, room temperature foams, curing and demolding; The foamable gel time of foam mixture is 40 minutes; Room temperature was solidified at the beginning of 80 minutes, within 24 hours, solidified completely, carried out sample testing after one week, the density 0.57g/cm of epoxy foam
3, compression strength 33.6Mpa, thermal conductivity factor 0,68w/ (m.k); Crafters dense uniform, hollow glass micropearl is without floating lamination;
(2) preparation of damping coatings
The preparation of component A Isocyanate prepolymers body:
The PPG taking molecular weight 2000, in 1000ml there-necked flask, is heated to 100--110 DEG C of vacuum dehydration 1 hour; Cool to 60--70 DEG C, drop into the polyisocyanates of metering, be heated to 80 DEG C of prepolymerization reactions 2 hours, it is for subsequent use that discharging is placed in airtight container;
The preparation of B component:
Weigh PPG, amine chainextender, silicone defoaming agent, silane coupler, hydroxide filler aluminium oxide, mica powder and thixotropic agent organobentonite; In agitation grinding dispersion machine, grinding distribution evenly prepares B component;
(3) preparation of structure surface layer
Structure surface layer be a kind of fiberglass gridding cloth strengthen fiber glass epoxy, by A, B two component form:
The preparation of component A:
Take epoxy resin, epoxy active diluent, silicone defoaming agent, silane coupler, inorganic filler, in agitation grinding dispersion machine, grinding distribution evenly prepares component A;
The preparation of B component:
Take Versamid, phenolic aldehyde ethylenediamine and catalyst, be uniformly mixed;
With A, B two component prepare the premix of structure surface layer in mass ratio;
Reinforcing material is fiberglass gridding cloth;
(4) epoxy foam prepared of step (1) is as core, damping coatings prepared by core upper surface and lower surface coating 2mm--3mm step (2), sandwich structure is formed after cold curing, or to be bondd the superimposed sandwich construction formed by 2-3 layers of epoxy foam, as foam core damping layer;
Fiberglass gridding cloth reinforced epoxy fiberglass premix prepared by plane materiel applying step (3), first blade coating one epoxy premix primary coat, then fiberglass gridding cloth is laid, the premix of blade coating epoxy resin is continued on grid cloth, until grid cloth embeds in mixture of epoxy resins completely, abundant blade coating premix bubble removing side by side in coating process, completely after solidification, foam core damping layer and structure plane materiel form damping-constraining sandwich structure composite material.
Hollow glass micropearl described in the present invention comprises: Bangbu frp industry design and research institute hollow glass micropearl, density range 0.22-0.51g/cm
3, mine research institute of Ma'an Mountain hollow glass micropearl, density range 0.15-0.60g/cm
3, Qinhuangdao glass microballoon factory hollow glass micropearl, density 0.18--0.20g/cm
3.
The invention has the beneficial effects as follows:
The present invention is owing to adopting the sandwich structure of polyurethane elastomer coating epoxy foam formation as laminboard layer, high rigidity fiber glass epoxy is as structure surface layer, alleviate the quality of material, there is high strength, high rigidity, sound insulation, thermal insulation and damping, vibration damping, anti-acoustic capability, be conducive to the applying of industry at Aero-Space, boats and ships, train locomotive, wind-powered electricity generation etc.
Detailed description of the invention
Embodiments of the invention, specifically describe the reliability and feasibility of this foam core filled composite material further.But the present invention is not limited in following embodiment, below in conjunction with embodiment, the present invention is described in further detail.
The structure of embodiment 1-3 epoxy foam core composition and performance and formation foam core filled composite material thereof is listed in table 1 and table 2.
Table 1 epoxy foam core composition and performance
Embodiment 1 foam core filled composite material in table, with Celogen Az (AC, main foaming agent) and absolute ethyl alcohol (auxiliary foaming) be blowing agent, Tween-81 (Tween 80) surfactant, hollow glass micropearl mass fraction 22, foam density 0.46g/cm
3, foam core material plate thickness 32mm, core material structure is one deck foam intermediate layer, and top and bottom are the sandwich structure of damping layer, formation, and surface layer is the glass fiber reticular cloth reinforced epoxy fiberglass of thickness 3-5mm.Bond strength between layers >=5Mpa.
Embodiment 2 foam core filled composite material in table, with azo-bis-isobutyl cyanide (AZDN, main foaming agent) and absolute ethyl alcohol (auxiliary foaming) be blowing agent, polyoxyethylene sorbitol acid anhydride laurate (polysorbas20) surfactant, hollow glass micropearl mass fraction 29, foam density 0.57g/cm
3, foam core material plate thickness 16mm, core material structure is by two layers of foam, the superimposition structure that three layers of damping layer is formed, and surface layer is the glass fiber reticular cloth reinforced epoxy fiberglass of thickness 3-5mm.Bond strength between layers >=5Mpa.Embodiment 3 foam core filled composite material in table take absolute ethyl alcohol as blowing agent, OPEO (OP--10) surfactant, hollow glass micropearl mass fraction 38, foam density 0.68g/cm
3, foam core material plate thickness 8mm, core material structure is by three layers of foam, the sandwich structure that four layers of damping layer is formed, and surface layer is the glass fiber reticular cloth reinforced epoxy fiberglass of thickness 3-5mm.Bond strength between layers >=5Mpa.
Claims (10)
1. an epoxy foam core filled composite material, is characterized in that, is made up of epoxy foam core, structure surface layer and damping coatings:
(1) epoxy foam core: epoxy foam core is made up of first, second, the third three components:
First component is made up of the composition of each mass fraction following: 100 parts of epoxy resin, 20-25 part epoxy active diluent, 2-5 part surfactant, 2-4 part foam stabiliser and blowing agents, 1-1.5 part silane coupler, 1-2 part thixotropic agent;
Second component is curing agent, is made up of the composition of each mass fraction following: 70 parts of fatty amines, 30 parts of aromatic amines and 0.5 part of catalyst form;
Third component is hollow glass micropearl;
The weight proportion of first, second, the third three kinds of components is 100:20-30:20-40;
(2) damping coatings: this damping coatings is two components, and component A is Isocyanate prepolymers body, is made up of PPG and polyisocyanates, and relationship between quality is between the two: 100:30-40;
B component is in 100 mass parts PPGs: PPG 100 parts, amine chainextender 25--35 part, silicone defoaming agent 4--7 part, silane coupler 10--14 part, filler 240-350 parts;
(3) structure surface layer: surface layer is a kind of fiberglass gridding cloth reinforced epoxy fiberglass, by A, B two component form, A, B two the weight ratio of component be 100:12-15;
Component A comprises the component of following parts by weight: epoxy resin 100 parts, epoxy active diluent 25--35 part, silicone defoaming agent 2--8 part, silane coupler 4--9 part, filler 300--350 part;
B component and curing agent, comprise the component of following parts by weight: Versamid 30--60 part, phenolic aldehyde ethylenediamine 12--15 part, catalyst 1-2 parts; Reinforcing material is fiberglass gridding cloth.
2. epoxy foam core filled composite material according to claim 1, is characterized in that, described epoxy resin is selected from the one in following ingredients: bisphenol A epoxide resin (trade mark E-51, E-54, E-44), epoxide equivalent 179--244g/eq; Bisphenol F epoxy resin (trade mark CYD F-170, DER-354-LV) epoxide equivalent 162--185g/eq; Cycloaliphatic epoxy resin (trade mark H-71, TDE-85) epoxide equivalent 115--156g/eq.
3. epoxy foam core filled composite material according to claim 1, it is characterized in that, described epoxy active diluent is selected from the one in following ingredients: n-butyl glycidyl ether (BGE), phenyl glycidyl ether (PGE), diethylene glycol diglycidyl ether (DGE), resorcinolformaldehyde resin (RDE), trihydroxymethylpropanyltri diglycidyl ether (TMPGE).
4. epoxy foam core filled composite material according to claim 1, is characterized in that, in the second curing components agent of described epoxy foam core,
Fatty amine be selected from following component one or more:
Polyamide: eleostearic acid dimer caprolactam adducts, linoleic acid dimer triethylene tetramine addition product;
Armeen and addition product thereof: diethylenetriamine, triethylene tetramine, diethylenetriamine butyl glycidyl ether (593);
Alicyclic polyamine: hexamethylene dimethylamine, N-aminoethylpiperazine;
Aromatic amine be selected from following component one or more:
Aromatic polyamine: m-xylene diamine, DADPS, diaminodiphenyl-methane, diethyl diaminodiphenyl-methane;
Catalyst be selected from following component one or more:
2,4,6-tri-(dimethylamino methyl) phenol (DMP-30), benzyl dimethylamine, 2-ethyl-4-methylimidazole.
5. epoxy foam core filled composite material according to claim 1, it is characterized in that, silane coupler described above be selected from following ingredients one or more: γ-(2,3-glycidoxy) propyl trimethoxy silicane (KH-560), gamma-aminopropyl-triethoxy-silane (KH--550), γ-methacryloxypropyl trimethoxy silane (KH-570), γ-Mercapto propyl-triethoxysilicane (KH-590).
6. epoxy foam core filled composite material according to claim 1, it is characterized in that, blowing agent is selected from the one in following ingredients: Celogen Az (AC), azo-bis-isobutyl cyanide (AZDN), OBSH, sodium acid carbonate, carbonic hydroammonium, ethanol, toluene.
7. epoxy foam core filled composite material according to claim 1, it is characterized in that, surfactant described above is selected from the one in following ingredients: Tween-81 (Tween 80), polyoxyethylene sorbitol acid anhydride laurate (polysorbas20), OPEO (OP-10), dimethyl siloxane-polyalkylene oxide copolymer.
8. epoxy foam core filled composite material according to claim 1, is characterized in that, thixotropic agent described above is selected from the one in following ingredients: aerosil, organobentonite, metal soap powder.
9. epoxy foam core filled composite material according to claim 1, is characterized in that, in structure surface layer described above in B component,
Versamid be selected from following component one or more: linoleic acid dimer triethylene tetramine, eleostearic acid dimer diethylenetriamine, eleostearic acid dimer caprolactam;
Catalyst be selected from following component one or more: 2,4,6-tri-(dimethylamino methyl) phenol, nonyl phenol, benzyl dimethylamine, 2-ethyl-4-methylimidazole.
10. prepare the method for epoxy foam core filled composite material according to claim 1, it is characterized in that, comprise the following steps:
(1) preparation of epoxy foam core:
Epoxy foam core is made up of the first and second the third three components:
The preparation of first component:
Take epoxy resin, epoxy active diluent, surfactant, silane coupler, foam stabiliser, blowing agent, thixotropic agent, be placed in 500mL vinyon cup, mix obtained epoxy foaming mixture first component with electric mixer;
The preparation of second curing components agent:
Take fatty amine, aromatic amine and catalyst to stir in 500mL vinyon cup obtained amine hardener second component;
Third component is density is 0.25g/cm
3be 0.15g/cm with density
3through the hollow glass micropearl of grating;
Prepare in mass ratio with first, second two component, add hollow glass micropearl in batches and be uniformly mixed, mixture is injected mould after being uniformly mixed, room temperature foams, curing and demolding; The foamable gel time of foam mixture is 40 minutes; Room temperature was solidified at the beginning of 80 minutes, within 24 hours, solidified completely, carried out sample testing after one week, the density 0.57g/cm of epoxy foam
3, compression strength 33.6Mpa, thermal conductivity factor 0,68w/ (m.k); Crafters dense uniform, hollow glass micropearl is without floating lamination;
(2) preparation of damping coatings
The preparation of component A Isocyanate prepolymers body:
The PPG taking molecular weight 2000, in 1000ml there-necked flask, is heated to 100--110 DEG C of vacuum dehydration 1 hour; Cool to 60--70 DEG C, drop into the polyisocyanates of metering, be heated to 80 DEG C of prepolymerization reactions 2 hours, it is for subsequent use that discharging is placed in airtight container;
The preparation of B component:
Weigh PPG, amine chainextender, silicone defoaming agent, silane coupler, hydroxide filler aluminium oxide, mica powder and thixotropic agent organobentonite; In agitation grinding dispersion machine, grinding distribution evenly prepares B component;
(3)
the preparation of structure surface layer
Structure surface layer be a kind of fiberglass gridding cloth strengthen fiber glass epoxy, by A, B two component form:
The preparation of component A:
Take epoxy resin, epoxy active diluent, silicone defoaming agent, silane coupler, inorganic filler, in agitation grinding dispersion machine, grinding distribution evenly prepares component A;
The preparation of B component:
Take Versamid, phenolic aldehyde ethylenediamine and catalyst, be uniformly mixed;
With A, B two component prepare the premix of structure surface layer in mass ratio;
Reinforcing material is fiberglass gridding cloth;
(4)epoxy foam prepared by step (1) is as core, damping coatings prepared by core upper surface and lower surface coating 2mm--3mm step (2), after cold curing, form sandwich structure, or to be bondd the superimposed sandwich construction formed by 2-3 layers of epoxy foam, as foam core damping layer; Fiberglass gridding cloth reinforced epoxy fiberglass premix prepared by plane materiel applying step (3), first blade coating one epoxy premix primary coat, then fiberglass gridding cloth is laid, the premix of blade coating epoxy resin is continued on grid cloth, until grid cloth embeds in mixture of epoxy resins completely, abundant blade coating premix bubble removing side by side in coating process, completely after solidification, foam core damping layer and structure plane materiel form damping-constraining sandwich structure composite material.
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| CN201510024686.2A CN104527181A (en) | 2015-01-19 | 2015-01-19 | Epoxy foamed sandwich composite material and preparation method thereof |
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| CN201510024686.2A CN104527181A (en) | 2015-01-19 | 2015-01-19 | Epoxy foamed sandwich composite material and preparation method thereof |
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| CN201510024686.2A Pending CN104527181A (en) | 2015-01-19 | 2015-01-19 | Epoxy foamed sandwich composite material and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419242A (en) * | 2015-12-31 | 2016-03-23 | 珠海云智新材料科技有限公司 | Hollow floating bead doped sound-absorption epoxy resin material and preparation method thereof |
| CN106751530A (en) * | 2017-01-19 | 2017-05-31 | 黑龙江省科学院石油化学研究院 | A kind of composite material sandwich structure co-curable lightweight high rigidity core and its preparation method and application |
| CN106945375A (en) * | 2017-03-14 | 2017-07-14 | 青岛海洋新材料科技有限公司 | One kind sound absorption damping foam core filled composite material and its manufacture method |
| CN108394140A (en) * | 2018-01-19 | 2018-08-14 | 五行科技股份有限公司 | A kind of refractory drop graphene composite plate with foam sandwich structure |
| CN109836773A (en) * | 2017-11-27 | 2019-06-04 | 海洋化工研究院有限公司 | A kind of underwater sound composite material and manufacturing method |
| CN110171490A (en) * | 2019-02-28 | 2019-08-27 | 山东中瑞德电动汽车有限公司 | A kind of new-energy automobile composite material modularization body structural member |
| WO2021077404A1 (en) * | 2019-10-23 | 2021-04-29 | 航天材料及工艺研究所 | Damping and heat-insulation structure, preparation method therefor and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060208135A1 (en) * | 2005-03-18 | 2006-09-21 | Liguore Salvatore L | Systems and methods for reducing noise in aircraft fuselages and other structures |
| CN103707590A (en) * | 2013-12-26 | 2014-04-09 | 青岛海洋新材料科技有限公司 | Buoyancy material with composite sandwich damping structure and preparation technology of material |
| CN103709607A (en) * | 2013-12-26 | 2014-04-09 | 青岛海洋新材料科技有限公司 | Casting light composite foam floating material and preparation method thereof |
-
2015
- 2015-01-19 CN CN201510024686.2A patent/CN104527181A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060208135A1 (en) * | 2005-03-18 | 2006-09-21 | Liguore Salvatore L | Systems and methods for reducing noise in aircraft fuselages and other structures |
| CN103707590A (en) * | 2013-12-26 | 2014-04-09 | 青岛海洋新材料科技有限公司 | Buoyancy material with composite sandwich damping structure and preparation technology of material |
| CN103709607A (en) * | 2013-12-26 | 2014-04-09 | 青岛海洋新材料科技有限公司 | Casting light composite foam floating material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 马之庚等: "《工程塑料手册 材料卷》", 31 October 2004, 机械工业出版社 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419242A (en) * | 2015-12-31 | 2016-03-23 | 珠海云智新材料科技有限公司 | Hollow floating bead doped sound-absorption epoxy resin material and preparation method thereof |
| CN106751530A (en) * | 2017-01-19 | 2017-05-31 | 黑龙江省科学院石油化学研究院 | A kind of composite material sandwich structure co-curable lightweight high rigidity core and its preparation method and application |
| CN106751530B (en) * | 2017-01-19 | 2019-10-08 | 黑龙江省科学院石油化学研究院 | A kind of composite material sandwich structure co-curable lightweight high rigidity core material and its preparation method and application |
| CN106945375A (en) * | 2017-03-14 | 2017-07-14 | 青岛海洋新材料科技有限公司 | One kind sound absorption damping foam core filled composite material and its manufacture method |
| CN109836773A (en) * | 2017-11-27 | 2019-06-04 | 海洋化工研究院有限公司 | A kind of underwater sound composite material and manufacturing method |
| CN109836773B (en) * | 2017-11-27 | 2020-08-18 | 海洋化工研究院有限公司 | Underwater acoustic composite material and manufacturing method thereof |
| CN108394140A (en) * | 2018-01-19 | 2018-08-14 | 五行科技股份有限公司 | A kind of refractory drop graphene composite plate with foam sandwich structure |
| CN110171490A (en) * | 2019-02-28 | 2019-08-27 | 山东中瑞德电动汽车有限公司 | A kind of new-energy automobile composite material modularization body structural member |
| WO2021077404A1 (en) * | 2019-10-23 | 2021-04-29 | 航天材料及工艺研究所 | Damping and heat-insulation structure, preparation method therefor and application thereof |
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