CN105904803A - Multilayer composite sound-insulating material - Google Patents
Multilayer composite sound-insulating material Download PDFInfo
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- CN105904803A CN105904803A CN201610267100.XA CN201610267100A CN105904803A CN 105904803 A CN105904803 A CN 105904803A CN 201610267100 A CN201610267100 A CN 201610267100A CN 105904803 A CN105904803 A CN 105904803A
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- parts
- multilayer composite
- deadener
- zinc oxide
- sound
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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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
-
- 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
- C08K3/34—Silicon-containing compounds
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5425—Silicon-containing compounds containing oxygen containing at least one C=C bond
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
-
- 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
- C08K7/08—Oxygen-containing compounds
-
- 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
- B32B2262/06—Vegetal fibres
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention relates to automobile sound-insulating materials, in particular to a multilayer composite sound-insulating material, comprising three layers, the middle layer being ramie base cloth and two side layers being butadiene-acrylonitrile rubber layers; the two side layer are pasted to the middle layer through a binder, and tetrapod-like zinc oxide whiskers, vermiculite powder, a coupling agent, a crosslinking agent and an antioxidant; each side layer is made from according to parts by weight: 55-65 parts of butadiene-acrylonitrile rubber, 2-5 parts of tetrapod-like zinc oxide whiskers, 30-40 parts of vermiculite powder, 1-2 parts of a coupling agent, 1-2 parts of a crosslinking agent, and 0.5-1 part of an antioxidant. The sound-insulating material can be imparted good sound-absorbing effect by using butadiene-acrylonitrile rubber and using vermiculite powder and tetrapod-like zinc oxide whiskers as a filler; meanwhile, sound-insulating effect is greatly improved by using the middle layer of ramie base cloth and the two side layers of butadiene-acrylonitrile rubber.
Description
Technical field
The present invention relates to vapour Soundproof material for vehicle.
Background technology
Along with the progress of the mankind, the prosperity of science, noise pollution has become as very important problem.Absorb noise, reduce noise pollution and be related to the important topic of human society coordinated development.Along with going deep into of research, the material of various absorption sound waves produces therewith.Its sound insulation principle is all to utilize when sound wave is by certain object, and this object can absorb, reflect weakening so that the continuation cutting off sound wave is propagated, thus reaches the effect of sound insulation.Along with the development of auto industry, to the sound insulation value of deadener, thermostability, mechanical property requirement more and more higher, conventional material is also increasingly difficult to meet requirement.
Defective tightness is combined between various thermoplastic resin molecules in the puigging of the auto sound material of conventional formulation, and interface cohesion is poor between thermoplastic resin and filler, the most closely knit, it is difficult to reach preferable soundproof effect, and owing to the addition of high amount of inorganic filler, increase material weight, deviate from mutually with the trend of automotive light weight technology.
Summary of the invention
For above-mentioned technical problem, the present invention provides a kind of sound insulation, acoustically effective preferable MULTILAYER COMPOSITE deadener.
The technical solution used in the present invention is: a kind of MULTILAYER COMPOSITE deadener, it is by up of three layers, intermediate layer is Boehmeria embryo cloth, both sides surface layer is nitrile rubber layer, both sides surface layer passes through binding agent and interlayer adhesion, is added with four acicular type zinc oxide crystal whisker, vermiculite power, coupling agent, cross-linking agent and antioxidant in the surface layer of described both sides.
As preferably, each side facing forms according to the mass fraction of 55 65 parts of nitrile rubbers, 25 parts of four acicular type zinc oxide crystal whiskers, 30 40 parts of vermiculite powers, 12 parts of coupling agents, 12 parts of cross-linking agent and 0.5 1 parts of antioxidant.
As preferably, the apparent density of described four acicular type zinc oxide crystal whisker is 0.1 0.3
g / cm3。
As preferably, the granularity of described vermiculite power is 10 30 mesh.
As preferably, described coupling agent uses aminopropyl triethoxysilane, VTES or ethylenediamine hydroxypropyl methyl dimethoxysilane.
As preferably, described cross-linking agent uses stearoyl, chloro benzoyl peroxide or cumyl peroxide.
As preferably, described antioxidant uses 2, tri-grades of butyl-4-methylphenols of 6-.
As preferably, described binding agent is glue.
As can be known from the above technical solutions, the deadener of the present invention uses nitrile rubber, with vermiculite power and four acicular type zinc oxide crystal whisker as filler, can reach preferable acoustically effective；Meanwhile, use intermediate layer be pure fiber crops embryo cloth, both sides surface layer be three layers of nitrile rubber layer, substantially increase soundproof effect.
Detailed description of the invention
The present invention is described more detail below, and illustrative examples and explanation in this present invention are used for explaining the present invention, but not as a limitation of the invention.
A kind of MULTILAYER COMPOSITE deadener, it is by up of three layers, and intermediate layer is Boehmeria embryo cloth, and both sides surface layer is nitrile rubber layer, both sides surface layer passes through binding agent and interlayer adhesion, is added with four acicular type zinc oxide crystal whisker, vermiculite power, coupling agent, cross-linking agent and antioxidant in the surface layer of described both sides.The surface texture of the ramee in Boehmeria embryo cloth can play the good effect consuming acoustic wave energy.Some hollow of ramee cell, a part of edge attached cell matter.Having simple pit on ramee cell wall, it communicates with peripheral fibres cell or cell wall cell.Cell is the same with fiber finer cell wall in oval, polygon with irregularly shaped, when sound wave passes entrance Boehmeria embryo cloth from side facing, sound wave by multiple reflections, absorption and rubs in fibrous inside and fabric gap between same fiber so that the big lossy of acoustic wave energy, sound absorbing capabilities is greatly reinforced.The binding agent of the present invention uses glue, and its main component PVAL adhesive property is good.Under pressure, glue has certain permeability, it is possible to well bond with ramie fabric, but ramie fabric can not be permeated completely, so that there is gap between ramee, when sound wave enters, part energy must be consumed, thus improve sound absorbing capabilities further.
As preferably, each side facing forms according to the mass fraction of 55 65 parts of nitrile rubbers, 25 parts of four acicular type zinc oxide crystal whiskers, 30 40 parts of vermiculite powers, 12 parts of coupling agents, 12 parts of cross-linking agent and 0.5 1 parts of antioxidant；Wherein nitrile rubber has oil resistant, resistance to benzene, the performance such as ageing-resistant and when by External Force Acting, can produce energy loss, be the excellent sound absorption base material under various frequency；Four acicular type zinc oxide crystal whisker density is high, and ratio weighs 5.8, absorbable sonic vibration, and is converted to heat energy, makes material have sound absorption function, thus reaches soundproof effect, and the apparent density of the four acicular type zinc oxide crystal whisker of the present invention is 0.1 0.3
g / cm3, can reach optimal soundproof effect；Vermiculite power, as foaming characteristic filler, can make acoustic velocity of material be remarkably decreased, and attenuation constant substantially increases, and can reach preferable acoustically effective；And vermiculite power density is little, cheap, when the granularity of use is 10 30 mesh, not only acting as filling effect, and can form air layer, acoustically effective is optimal.
Coupling agent can reduce the viscosity of ethylene-vinyl acetate copolymer, improves the dispersion of four acicular type zinc oxide crystal whisker to improve processing characteristics, and then makes the material of preparation obtain good surface quality and mechanical performance etc.；The coupling agent of the present invention uses aminopropyl triethoxysilane, VTES or ethylenediamine hydroxypropyl methyl dimethoxysilane；The content of cross-linking agent, without too high, only need it that thermoplastic resin can be made fully to solidify and cross-links, and the present invention uses stearoyl, chloro benzoyl peroxide or cumyl peroxide, can obtain more preferable effect；Antioxidant uses 2, and tri-grades of butyl-4-methylphenols of 6-, it has high oxidation resistance, and the compatibility with nitrile rubber is good, does not separates out, will not polluted product.
Embodiment 1
By mass fraction by 1 part of aminopropyl triethoxysilane, 2 parts of four acicular type zinc oxide crystal whiskers and the mixing of 30 parts of vermiculite powers, wherein the granularity of vermiculite power is 10 mesh, the apparent density of four acicular type zinc oxide crystal whisker be 0.1 g/
cm3；Add 55 parts of nitrile rubbers, 1 part of stearoyl and 0.5 part 2, tri-grades of butyl-4-methylphenols of 6-, and mix homogeneously；Then with screw extruder carry out extruding, pelletize, the operating temperature of extruder keeps 80 DEG C；Then above-mentioned pellet mould is placed on vulcanizer and makes diaphragm；Finally by diaphragm temperature be 130 DEG C, vacuum for-0.1MPa under conditions of vacuum hotpressing 25min, make the thick sound insulation sheet material of 6mm；This sheet material is bonded with intermediate layer Boehmeria embryo cloth glue as both sides surface layer, obtains three layers of composite sound isolating material.After testing, this three layers of composite sound isolating material oise insulation factor in the frequency range of 2000 2500Hz reaches 47.8dB, and the acoustic absorptivity in the frequency range of 1000 1500Hz reaches 0.43.
Embodiment 2
By mass fraction by 2 parts of VTESs, 3 parts of four acicular type zinc oxide crystal whiskers and the mixing of 35 parts of vermiculite powers, wherein the granularity of vermiculite power is 20 mesh, the apparent density of four acicular type zinc oxide crystal whisker be 0.2 g/
cm3；Add 60 parts of nitrile rubbers, 1 part of mistake chloro benzoyl peroxide and 0.5 part 2, tri-grades of butyl-4-methylphenols of 6-, and mix homogeneously；Then with screw extruder carry out extruding, pelletize, the operating temperature of extruder keeps 90 DEG C；Then above-mentioned pellet mould is placed on vulcanizer and makes diaphragm；Finally by diaphragm temperature be 140 DEG C, vacuum for-0.1MPa under conditions of vacuum hotpressing 20min, make the thick sound insulation sheet material of 6mm；This sheet material is bonded with intermediate layer Boehmeria embryo cloth glue as both sides surface layer, obtains three layers of composite sound isolating material.After testing, this three layers of composite sound isolating material oise insulation factor in the frequency range of 2000 2500Hz reaches 51.4dB, and the acoustic absorptivity in the frequency range of 1000 1500Hz reaches 0.46.
Embodiment 3
By mass fraction by 2 parts of ethylenediamine hydroxypropyl methyl dimethoxysilane, 5 parts of four acicular type zinc oxide crystal whiskers and the mixing of 40 parts of vermiculite powers, wherein the granularity of vermiculite power is 30 mesh, the apparent density of four acicular type zinc oxide crystal whisker be 0.3 g/
cm3；Add 65 parts of nitrile rubbers, 2 parts of cumyl peroxides and 1 part 2, tri-grades of butyl-4-methylphenols of 6-, and mix homogeneously；Then with screw extruder carry out extruding, pelletize, the operating temperature of extruder keeps 100 DEG C；Then above-mentioned pellet mould is placed on vulcanizer and makes diaphragm；Finally by diaphragm temperature be 150 DEG C, vacuum for-0.1MPa under conditions of vacuum hotpressing 15min, make the thick sound insulation sheet material of 6mm；This sheet material is bonded with intermediate layer Boehmeria embryo cloth glue as both sides surface layer, obtains three layers of composite sound isolating material.After testing, this three layers of composite sound isolating material oise insulation factor in the frequency range of 2000 2500Hz reaches 48.3dB, and the acoustic absorptivity in the frequency range of 1000 1500Hz reaches 0.45.
The technical scheme provided the embodiment of the present invention above is described in detail, principle and the embodiment of the embodiment of the present invention are set forth by specific case used herein, and the explanation of above example is only applicable to help to understand the principle of the embodiment of the present invention；Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention, all will change in detailed description of the invention and range of application, in sum, this specification content should not be construed as limitation of the present invention.
Claims (8)
1. a MULTILAYER COMPOSITE deadener, it is by up of three layers, and intermediate layer is Boehmeria embryo cloth, and both sides surface layer is nitrile rubber layer, both sides surface layer passes through binding agent and interlayer adhesion, is added with four acicular type zinc oxide crystal whisker, vermiculite power, coupling agent, cross-linking agent and antioxidant in the surface layer of described both sides.
MULTILAYER COMPOSITE deadener the most according to claim 1, it is characterised in that: each side facing forms according to the mass fraction of 55 65 parts of nitrile rubbers, 25 parts of four acicular type zinc oxide crystal whiskers, 30 40 parts of vermiculite powers, 12 parts of coupling agents, 12 parts of cross-linking agent and 0.5 1 parts of antioxidant.
MULTILAYER COMPOSITE deadener the most according to claim 1, it is characterised in that: the apparent density of described four acicular type zinc oxide crystal whisker is 0.1 0.3 g/cm3。
MULTILAYER COMPOSITE deadener the most according to claim 1, it is characterised in that: the granularity of described vermiculite power is 10 30 mesh.
MULTILAYER COMPOSITE deadener the most according to claim 1, it is characterised in that: described coupling agent uses aminopropyl triethoxysilane, VTES or ethylenediamine hydroxypropyl methyl dimethoxysilane.
MULTILAYER COMPOSITE deadener the most according to claim 1, it is characterised in that: described cross-linking agent uses stearoyl, chloro benzoyl peroxide or cumyl peroxide.
MULTILAYER COMPOSITE deadener the most according to claim 1, it is characterised in that: described antioxidant uses 2, tri-grades of butyl-4-methylphenols of 6-.
MULTILAYER COMPOSITE deadener the most according to claim 1, it is characterised in that: described binding agent is glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610267100.XA CN105904803A (en) | 2016-04-27 | 2016-04-27 | Multilayer composite sound-insulating material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610267100.XA CN105904803A (en) | 2016-04-27 | 2016-04-27 | Multilayer composite sound-insulating material |
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| CN105904803A true CN105904803A (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610267100.XA Pending CN105904803A (en) | 2016-04-27 | 2016-04-27 | Multilayer composite sound-insulating material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106674781A (en) * | 2016-12-01 | 2017-05-17 | 重庆雨帝建材有限公司 | Interior decoration board and producing technology thereof |
| CN108917076A (en) * | 2018-05-31 | 2018-11-30 | 安徽科清净化科技有限公司 | A kind of noise reduction wall fresh air machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041730A (en) * | 2006-03-23 | 2007-09-26 | 天津市橡胶工业研究所 | Novel underwater sound absorption rubber product and preparation method thereof |
| CN103903608A (en) * | 2012-12-27 | 2014-07-02 | 浙江艾迪雅科技股份有限公司 | Efficient sound insulation material and manufacturing method thereof |
| CN203895111U (en) * | 2013-12-13 | 2014-10-22 | 李巍巍 | Composite material with sound absorption and insulation structure |
-
2016
- 2016-04-27 CN CN201610267100.XA patent/CN105904803A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041730A (en) * | 2006-03-23 | 2007-09-26 | 天津市橡胶工业研究所 | Novel underwater sound absorption rubber product and preparation method thereof |
| CN103903608A (en) * | 2012-12-27 | 2014-07-02 | 浙江艾迪雅科技股份有限公司 | Efficient sound insulation material and manufacturing method thereof |
| CN203895111U (en) * | 2013-12-13 | 2014-10-22 | 李巍巍 | Composite material with sound absorption and insulation structure |
Non-Patent Citations (2)
| Title |
|---|
| 李康: "层合多孔吸声隔音复合材料", 《层合多孔吸声隔音复合材料》 * |
| 王霞等: "《丁腈橡胶复合材料改性及应用》", 31 July 2011, 中国石化出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106674781A (en) * | 2016-12-01 | 2017-05-17 | 重庆雨帝建材有限公司 | Interior decoration board and producing technology thereof |
| CN108917076A (en) * | 2018-05-31 | 2018-11-30 | 安徽科清净化科技有限公司 | A kind of noise reduction wall fresh air machine |
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Application publication date: 20160831 |