CN110014708A - Dedicated cladded type foaming damping piece of a kind of car door and preparation method thereof - Google Patents
Dedicated cladded type foaming damping piece of a kind of car door and preparation method thereof Download PDFInfo
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- CN110014708A CN110014708A CN201910183794.2A CN201910183794A CN110014708A CN 110014708 A CN110014708 A CN 110014708A CN 201910183794 A CN201910183794 A CN 201910183794A CN 110014708 A CN110014708 A CN 110014708A
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- damping
- car door
- dedicated
- parts
- foaming
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- 238000013016 damping Methods 0.000 title claims abstract description 92
- 238000005187 foaming Methods 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 48
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 33
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 18
- 238000001746 injection moulding Methods 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 239000011521 glass Substances 0.000 claims description 22
- 229910021389 graphene Inorganic materials 0.000 claims description 21
- 229920005989 resin Polymers 0.000 claims description 21
- 239000011347 resin Substances 0.000 claims description 21
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 18
- 239000006260 foam Substances 0.000 claims description 16
- 239000006229 carbon black Substances 0.000 claims description 13
- 229920002367 Polyisobutene Polymers 0.000 claims description 12
- 239000004088 foaming agent Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 10
- 239000003431 cross linking reagent Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 9
- 239000000155 melt Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 239000004200 microcrystalline wax Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- 150000003505 terpenes Chemical class 0.000 claims description 2
- 235000007586 terpenes Nutrition 0.000 claims description 2
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 2
- 235000005128 Sapium sebiferum Nutrition 0.000 claims 1
- 244000057114 Sapium sebiferum Species 0.000 claims 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000005253 cladding Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 6
- 239000005060 rubber Substances 0.000 description 6
- 239000011358 absorbing material Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 241000510164 Cumberlandia monodonta Species 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- FYHXNYLLNIKZMR-UHFFFAOYSA-N calcium;carbonic acid Chemical compound [Ca].OC(O)=O FYHXNYLLNIKZMR-UHFFFAOYSA-N 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007719 peel strength test Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/045—Layered products comprising a layer of natural or synthetic rubber comprising rubber 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
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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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/18—Layered products comprising a layer of natural or synthetic rubber comprising butyl or halobutyl rubber
-
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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
- 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
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- 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
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
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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
- B32B2266/00—Composition of foam
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- B32B2266/0214—Materials belonging to B32B27/00
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
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- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
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- B32B2307/30—Properties of the layers or laminate having particular thermal properties
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- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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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
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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
- B32B2605/00—Vehicles
- B32B2605/08—Cars
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to dedicated cladded type foaming damping pieces of a kind of car door and preparation method thereof, using butyl rubber as composite damping basis material, while upper EVA foamed material are molded on aluminum alloy framework material.When the dedicated cladded type foaming damping piece of car door is attached in car door through overbaking workshop, cladding foaming layer is foamed, solidifies the effect for realizing car door damping sound-absorbing with butyl rubber composite damping material collective effect.
Description
Technical field
The invention belongs to damping material fields, are related to automobile damping-constraining material, are a kind of car door spectacle cases by it
Cover type foaming damping piece and preparation method thereof.
Technical background
The foaming sound-absorbing material in automobile and rubber damping material are widely used by major depot at present.Because in vapour
Car door vibration generates noise in vehicle traveling, and automobile foaming sound-absorbing material can effectively lower pass-by noise and air-flow to rider
Interference improve rider seating comfort.The material of automobile foaming sound-absorbing material is generally resin, toasts by electrophoresis
NVH effect is played after (140 DEG C~160 DEG C × 20Min) foaming.
Damping material be in order to reduce automobile advance in the vibration that generates and a kind of material for deriving, be pasted onto vehicle body phase
It is played a role immediately after answering position without heating, i.e. patch is used.Its principle is to turn the vibration potential energy of automobile by damping material
Thermal energy is turned to achieve the purpose that reduce vibration.But the damping material supplied currently on the market is generally rubber-type, in order to increase rubber
The method that the damped coefficient of glue-type damping fin is widely used is to increase product thickness, but will increase vehicle body self weight after thickness increase,
Oil consumption and the rising of discharge amount are caused, cannot be achieved the purpose that environmentally protective.
Summary of the invention
Therefore, for above-mentioned problem, the present invention proposes a kind of dedicated cladded type foaming damping piece of car door and its preparation
The noise generated in vibration not only can be absorbed using architecture of the foaming sound-absorbing material in conjunction with damping material in method
And the damping of car door is increased, extend the application range of damping material.
The invention adopts the following technical scheme:
Damping layer in a kind of dedicated cladded type foaming damping piece of car door, including damping layer and foaming layer, wherein damping
The component and part of layer are as follows:
100 parts of butyl rubber,
40-60 parts of carbon black,
50-80 parts of polyisobutene,
50-60 parts of Petropols,
5-8 parts of graphene coated hollow glass micropearl,
150-180 parts of precipitated calcium carbonate,
6-15 parts of naphthenic oil.
The component and part of foaming layer are as follows:
100 parts of raw material EVA resin, 20-25 parts of foaming agent, 1-2 parts of acid acceptor, 1-3 parts of crosslinking agent, filler 0.1-
3 parts, 0.1-0.2 parts of dark green.
The carbon black is N550 carbon black.
The molecular weight of the polyisobutene is between 1000-3000.
The Petropols are the one or two of EScorez 1204, EScorez 1304, terpene resin, rosin resin
Combination.
The foaming agent is 4,4 ' oxobenzenesulfonyl hydrazide.
The acid acceptor is extra light calcined magnesia.
The crosslinking agent is the crosslinking agent cumyl peroxide of Aksu company.
The filler agent is calcium carbonate, talcum powder, the combination of microwax one or more.
The preparation method of damping layer in the dedicated cladded type foaming damping piece of a kind of car door, comprising: (1) by butyl rubber
Glue is plasticized refining glue 8-10min on a mill, and temperature is 70-80 DEG C；(2) butyl rubber for obtaining step (1) puts into mixing
In machine, carbon black, precipitated calcium carbonate, graphene coated hollow glass micropearl are put into, 5-8min is kneaded at 70-80 DEG C, adds
Polyisobutene, Petropols, naphthenic oil are kneaded 5min, and discharge tabletting, obtain sheet damping layer material.
Wherein graphene coated hollow glass micropearl the production method is as follows:
90~100 parts of hollow glass micropearls and 30~40 parts of silane resin acceptor kh-550s are added in high-speed mixer,
High-speed stirred is mixed at 90 DEG C, stirs 5min, is then slowly added into molten containing 2% epoxy resin and the suspension of 70% graphene
Liquid continues to stir 10min under 90 DEG C of heating conditions, and drying in vacuum oven is put into after stirring, will obtain graphite after drying
Alkene coated hollow glass bead.
The production foaming layer material includes the following steps: that mixer preheating 30min is first reached 95 DEG C again for EVA resin
It is put into mixer, foaming agent, acid acceptor, filler, dark green is sequentially added after EVA resin thoroughly melts and is carried out just
It is kneaded, crosslinking agent is added after being kneaded uniformly and continues to be kneaded 10min, is then granulated by pelletizer, mixed process and prilling temperature
95~100 DEG C of control obtains graininess foaming layer material.
The dedicated cladded type foaming damping piece of car door includes the following steps: that injection molding machine preheating 30min is first reached 90
DEG C, then will be fixed in the aluminum alloy mould of 1mm thickness, by injection molding machine by graininess foaming layer material melts according to open mold shape
Shape is in the surface injection molding of casing play aluminium alloy plate.Sheet damping layer material is pressed by tablet press machine the opening of injection molding again
Interior and skeleton aluminium alloy plate is compound and sticks release layer release paper in another side.
The structure of the dedicated cladded type foaming damping piece of car door is that foaming layer is directly coated on skeleton aluminium alloy plate table
Face and foam clad in injection moulding process in skeleton aluminium alloy plate another side there are the opening after injection molding, make damping in opening
Material and skeleton aluminium alloy plate surface recombination.
For the sheet damping layer with a thickness of 2-3mm, cladding depth of foam is 2-3mm, casing play casing play aluminium alloy plate
With a thickness of 1mm.
Beneficial effects of the present invention:
(1) the graphene coated hollow glass in the dedicated cladded type foaming damping piece of car door of the present invention in damping layer is micro-
Pearl, surface it is evenly dispersed graphene film have preferable flame retardant property simultaneously hollow glass micropearl itself there is light sound-proof
The advantages of.Graphene coated hollow glass micropearl can be improved or improve water resistance, compression strength, shrinking percentage and the impact of material
Intensity.Therefore foaming damping piece provided by the invention is not only significantly improved on bending resistance, in damping property, resistance to
It is also significantly improved on ageing properties, high and low temperature resistance.
(2) structure of the dedicated cladded type foaming damping piece of car door of the present invention is that foaming layer is directly coated on aluminum alloy surface
And in aluminium alloy another side, there are openings in injection moulding process for the clad that foams, in interior damping material and the aluminum alloy surface of being open
It is compound.When damping material part is firmly attached to inside car door automobile behind overbaking workshop, the hair around casing play aluminium alloy plate
Alveolar layer foams bonding door panel and coats casing play aluminium alloy plate completely.Double layer damping structure after foaming is when vibration
Dynamic mechanical energy is changed into thermal energy after damping layer and foaming layer and makes vibration weakening, using casing play aluminium alloy plate and skeleton
Mechanical energy is secondary after the foaming layer at the layer aluminium alloy plate back side becomes thermal energy.This structure effectively reduces vibration the propagation of mechanical energy.
(3) the dedicated cladded type foaming damping piece of car door of the present invention is compeled when by external force vibration bending deformation so that multiple
Conjunction damping layer material generation is shear-deformable, and mechanical energy is converted into thermal energy and is dispersed into air, has preferable damping noise reduction effect.
The quality and rigidity of damping material itself have lesser change, while having higher safety and reliability again.
Detailed description of the invention
Fig. 1 is the structural front view of damping piece of the present invention；
Fig. 2 is the A-A of Fig. 1 to cross-sectional view.
Fig. 3 is the perspective view of damping piece of the present invention.
Wherein 1 cladding foaming layer, 2 damping layers, 3 casing plays.
Specific embodiment
The present invention is described in further detail below with reference to embodiment:
Embodiment 1:
A kind of damping layer in the dedicated cladded type foaming damping piece of car door, according to the mass fraction, including the following raw material fourth
Base rubber 100kg, N550 carbon black 40kg, polyisobutene PIB-130050kg, Petropols EScorez 120450kg, graphene
Coated hollow glass bead 5kg, precipitated calcium carbonate 150kg, naphthenic oil 6kg.
It is described according to the mass fraction, cladding foaming layer include the following raw material EVA resin 100kg, foaming agent OBSH20kg, acid
Property neutralizer extra light calcined magnesia 1kg, crosslink agent DCP 1kg, calcium carbonate 0.1kg, dark green 0.1kg.
The preparation method of damping layer, comprising: (1) butyl rubber is plasticized to refining glue 8min on a mill, temperature is 70 DEG C；
(2) in the butyl rubber investment mixer obtained step (1), carbon black, precipitated calcium carbonate, graphene coated hollow glass are put into
Microballon is kneaded 5min at 70 DEG C, adds polyisobutene, Petropols, naphthenic oil, is kneaded 5min, and discharge tabletting, obtains piece
Shape damping layer material.Wherein graphene coated hollow glass micropearl the production method is as follows:
Hollow glass micropearl (100kg) and silane resin acceptor kh-550 (30kg) are added in high-speed mixer, at 90 DEG C
Lower high-speed stirred is mixed, and is stirred 5min, is then slowly added into containing 2% epoxy resin and 70% graphene aaerosol solution,
Continue to stir 10min under 90 DEG C of heating conditions, drying in vacuum oven is put into after stirring, graphene packet will be obtained after drying
Cover hollow glass micropearl.
Foaming layer material preparation method includes the following steps: that mixer preheating 30min is first reached 95 DEG C again for EVA tree
Rouge is put into mixer, and foaming agent, acid acceptor, filler, dark green are sequentially added after EVA resin thoroughly melts and is carried out
It is just kneaded, is kneaded the uniform rear crosslinking agent that is added and continues to be kneaded 10min, be then granulated by pelletizer, mixed process and granulation are warm
95 DEG C of degree control obtains graininess foaming layer material.
Car door dedicated cladded type foaming damping piece includes the following steps: that injection molding machine preheating 30min is first reached 90 DEG C, then
Will be fixed in the aluminum alloy mould of 1mm thickness, graininess foaming layer material melts are existed according to open mold shape by injection molding machine
The surface injection molding of casing play aluminium alloy plate.Again by tablet press machine by sheet damping layer material be pressed into injection molding opening in
Skeleton aluminium alloy plate is compound and sticks release layer release paper in another side.
For sheet damping layer with a thickness of 2mm, cladding depth of foam is 2mm, casing play casing play aluminium alloy plate with a thickness of
1mm。
Embodiment 2
A kind of damping layer in the dedicated cladded type foaming damping piece of car door, according to the mass fraction, including the following raw material fourth
Base rubber 100kg, N550 carbon black 60kg, polyisobutene PIB-130080kg, Petropols EScorez 120460kg, graphene
Coated hollow glass bead 8kg, precipitated calcium carbonate 180kg, naphthenic oil 15kg.
It is described according to the mass fraction, cladding foaming layer include the following raw material EVA resin 100kg, foaming agent OBSH25kg, acid
Property neutralizer extra light calcined magnesia 2kg, crosslink agent DCP 3kg, talcum powder 3kg, dark green 0.2kg.
The preparation method of damping layer, comprising: (1) butyl rubber is plasticized to refining glue 10min, temperature 80 on a mill
℃；(2) in the butyl rubber investment mixer obtained step (1), investment carbon black, precipitated calcium carbonate, graphene coated are hollow
Glass microballoon is kneaded 8min at 80 DEG C, adds polyisobutene, Petropols, naphthenic oil, is kneaded 5min, and discharge tabletting, obtains
To sheet damping layer material.
The preparation method of foaming layer material includes the following steps: that mixer preheating 30min is first reached 95 DEG C again for EVA
Resin is put into mixer, sequentially added after EVA resin thoroughly melts foaming agent, acid acceptor, filler, dark green into
Row is just kneaded, and crosslinking agent is added after being kneaded uniformly and continues to be kneaded 10min, is then granulated by pelletizer, mixed process and granulation
Temperature controls 100 DEG C, obtains graininess foaming layer material.
Car door dedicated cladded type foaming damping piece includes the following steps: that injection molding machine preheating 30min is first reached 90 DEG C, then
Will be fixed in the aluminum alloy mould of 1mm thickness, graininess foaming layer material melts are existed according to open mold shape by injection molding machine
The surface injection molding of casing play aluminium alloy plate.Again by tablet press machine by sheet damping layer material be pressed into injection molding opening in
Skeleton aluminium alloy plate is compound and sticks release layer release paper in another side.
For sheet damping layer with a thickness of 3mm, cladding depth of foam is 2mm, casing play casing play aluminium alloy plate with a thickness of
1mm。
Embodiment 3
A kind of damping layer in the dedicated cladded type foaming damping piece of car door, according to the mass fraction, including the following raw material fourth
Base rubber 100kg, N550 carbon black 45kg, polyisobutene PIB-130065kg, Petropols EScorez 130453kg, graphene
Coated hollow glass bead 7kg, precipitated calcium carbonate 160kg, naphthenic oil 8kg.
It is described according to the mass fraction, cladding foaming layer include the following raw material EVA resin 100kg, foaming agent OBSH22kg, acid
Property neutralizer extra light calcined magnesia 1.3kg, crosslink agent DCP 1.5kg, calcium carbonate 2kg, dark green 0.15kg.
The preparation method of damping layer, comprising: (1) butyl rubber is plasticized to refining glue 9min on a mill, temperature is 75 DEG C；
(2) in the butyl rubber investment mixer obtained step (1), carbon black, precipitated calcium carbonate, graphene coated hollow glass are put into
Microballon is kneaded 6min at 70-80 DEG C, adds polyisobutene, Petropols, naphthenic oil, is kneaded 5min, and discharge tabletting, obtains
To sheet damping layer material.
The preparation method of foaming layer includes the following steps: that mixer preheating 30min is first reached 95 DEG C again for EVA resin
It is put into mixer, foaming agent, acid acceptor, filler, dark green is sequentially added after EVA resin thoroughly melts and is carried out just
It is kneaded, crosslinking agent is added after being kneaded uniformly and continues to be kneaded 10min, is then granulated by pelletizer, mixed process and prilling temperature
97 DEG C of control obtains graininess foaming layer material.
Car door dedicated cladded type foaming damping piece includes the following steps: that injection molding machine preheating 30min is first reached 90 DEG C, then
Will be fixed in the aluminum alloy mould of 1mm thickness, graininess foaming layer material melts are existed according to open mold shape by injection molding machine
The surface injection molding of casing play aluminium alloy plate.Again by tablet press machine by sheet damping layer material be pressed into injection molding opening in
Skeleton aluminium alloy plate is compound and sticks release layer release paper in another side.
For sheet damping layer with a thickness of 2.5mm, cladding depth of foam is 3mm, casing play casing play aluminium alloy plate with a thickness of
1mm。
Compare the preparation of conventional butyl rubbers damping material
Raw material includes that butyl rubber 100kg, carbon black 60kg, polyisobutene 80kg, Petropols 60 can stocks, lightweight carbonic acid
Calcium 180kg, naphthenic oil 15kg.
Production method is referring to the method for preparing the dedicated cladded type foaming damping piece of car door in embodiment 1.
Performance test:
Damping capacity test: being analyzed using the DMA Dynamic Mechanical Analyzer that TA company, the U.S. produces, and temperature sets model
It encloses: 0~40 DEG C
Draftability test: GB/T 528-2009 vulcanized rubber or thermoplastic elastomer tensile stress-strain performance
Peel strength test: the removing using GB/T15254-2014 standard testing embodiment and comparative example rubber material is strong
Degree.
Above-described embodiment 1-3 high fire-retardance is destaticed into type butyl rubber composite damping material and comparative example conventional butyl rubbers
The performance of damping material preparation is measured, and test result is as follows for properties shown in table 1.
Table 1
Claims (10)
- The damping piece 1. a kind of dedicated cladded type of car door foams, it is characterised in that: including damping layer and foaming layer, wherein damping The component and part of layer are as follows:100 parts of butyl rubber,40-60 parts of carbon black,50-80 parts of polyisobutene,50-60 parts of Petropols,150-180 parts of precipitated calcium carbonate,5-8 parts of graphene coated hollow glass micropearl,6-15 parts of naphthenic oil；Wherein, the component and part of foaming layer are as follows:100 parts of EVA resin,20-25 parts of foaming agent,1-2 parts of acid acceptor,1-3 parts of crosslinking agent,0.1-3 parts of filler,0.1-0.2 parts of dark green.
- The damping piece 2. the dedicated cladded type of a kind of car door according to claim 1 foams, it is characterised in that: the poly- isobutyl The molecular weight of alkene is between 1000-3000.
- The damping piece 3. the dedicated cladded type of a kind of car door according to claim 1 foams, it is characterised in that: the petroleum tree Rouge is EScorez 1204, one or two kinds of combinations of EScorez 1304, terpene resin, rosin resin.
- The damping piece 4. the dedicated cladded type of a kind of car door according to claim 1 foams, it is characterised in that: the graphene Coated hollow glass bead production method: 90~100 parts of hollow glass micropearls and 30~40 parts of silane resin acceptor kh-550s are added Enter in high-speed mixer, high-speed stirred is mixed at 90 DEG C, is stirred 5min, is then slowly added into containing 2% epoxy resin With 70% graphene aaerosol solution, continues to stir 10min under 90 DEG C of heating conditions, be put into vacuum oven and do after stirring It is dry, graphene coated hollow glass micropearl will be obtained after drying.
- The damping piece 5. the dedicated cladded type of a kind of car door according to claim 1 foams, it is characterised in that: the foaming agent For 4,4 ' oxobenzenesulfonyl hydrazide.
- The damping piece 6. the dedicated cladded type of a kind of car door according to claim 1 foams, it is characterised in that: in the acidity It is extra light calcined magnesia with agent.
- The damping piece 7. the dedicated cladded type of a kind of car door according to claim 1 foams, it is characterised in that: the crosslinking agent For cumyl peroxide.
- The damping piece 8. the dedicated cladded type of a kind of car door according to claim 1 foams, it is characterised in that: the filler For calcium carbonate, talcum powder, the combination of microwax one or more.
- The damping piece 9. the dedicated cladded type of a kind of car door according to claim 1 foams, it is characterised in that: the car door The structure of dedicated cladded type foaming damping piece are as follows: foaming layer coats the one side of aluminium alloy plate and the another side in aluminium alloy plate completely There are an openings, are embedded in damping layer in opening, damping layer and aluminium alloy plate another side are compound.
- 10. the preparation side of the dedicated cladded type foaming damping piece of car door described in any claim according to claim 1~9 Method, it is characterised in that: steps are as follows:(1) it prepares damping layer: butyl rubber is plasticized to refining glue 8-10min on a mill, temperature is 70-80 DEG C；After refining glue Butyl rubber investment mixer in, put into carbon black, precipitated calcium carbonate, graphene coated hollow glass micropearl, at 70-80 DEG C It is kneaded 5-8min, adds polyisobutene, Petropols, naphthenic oil, is kneaded 5min, discharge tabletting, obtains sheet damping layer material Material；(2) it prepares foaming layer: mixer preheating first being reached 90~95 DEG C, EVA resin is put into mixer again, to EVA resin Foaming agent, acid acceptor, filler, dark green are thoroughly sequentially added after melting be just kneaded, and are added and are handed over after being kneaded uniformly Connection agent continues 10~15min of mixing, is then granulated by pelletizer, and mixed process and prilling temperature control 95~100 DEG C, obtains Graininess foaming layer material；(3) damping layer and foaming layer is compound: injection molding machine preheating is first reached 90 DEG C, then aluminium alloy plate is fixed in a mold, By injection molding machine by graininess foaming layer material melts according to open mold shape in the surface injection molding of casing play aluminium alloy plate, Sheet damping layer material is pressed by tablet press machine again compound with skeleton aluminium alloy plate and in damping layer in the opening of injection molding Another side sticks release paper.
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| CN110760134A (en) * | 2019-11-19 | 2020-02-07 | 江苏创合橡塑有限公司 | High-damping rubber composition material and preparation method thereof |
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| CN110014708B (en) | 2021-05-04 |
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Denomination of invention: A special wrapped foam vibration pad for automotive doors and its preparation method Effective date of registration: 20231106 Granted publication date: 20210504 Pledgee: Industrial and Commercial Bank of China Limited Tianjin Hebei Branch Pledgor: TIANJIN HAODI RUBBER & PLASTIC TECHNOLOGY CO.,LTD. Registration number: Y2023980064218 |