CN205651741U - Make an uproar syllable -dividing multilayer combined material and pad that gives sound insulation fall in lightweight - Google Patents
Make an uproar syllable -dividing multilayer combined material and pad that gives sound insulation fall in lightweight Download PDFInfo
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- CN205651741U CN205651741U CN201620156961.6U CN201620156961U CN205651741U CN 205651741 U CN205651741 U CN 205651741U CN 201620156961 U CN201620156961 U CN 201620156961U CN 205651741 U CN205651741 U CN 205651741U
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- sound insulation
- lightweight
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- eaa
- noise reduction
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- 239000000463 material Substances 0.000 title claims abstract description 63
- 238000009413 insulation Methods 0.000 title claims abstract description 48
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 13
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 13
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 55
- 239000002344 surface layer Substances 0.000 claims description 14
- 239000004831 Hot glue Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 8
- 239000000835 fiber Substances 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000005416 organic matter Substances 0.000 abstract 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 description 35
- 239000004698 Polyethylene Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 239000002131 composite material Substances 0.000 description 5
- 230000035943 smell Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000005038 ethylene vinyl acetate Substances 0.000 description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000010410 dusting Methods 0.000 description 3
- 241000628997 Flos Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002338 polyhydroxyethylmethacrylate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The utility model provides a syllable -dividing multilayer combined material that makes an uproar falls in the lightweight, by covering superimposed polyurethane foam layer, non -woven fabrics layer, EAAPPEAA give sound insulation rete, fibre shaping carpet veneer and carry fine hair fibre blanket surface course and form in proper order, and adjacent adhesive connection between two -layer. The utility model provides a give sound insulation and fill up, fall the syllable -dividing multilayer combined material that makes an uproar by above -mentioned lightweight and make. The utility model discloses a syllable -dividing multilayer combined material that makes an uproar falls in the lightweight, and is with low costs, the organic matter volume of volatilizing is little, the smell is little, the feature of environmental protection is good, have concurrently simultaneously and inhale the sound harmony sound -proofing properties, fall and make an uproar that give sound insulation effectually and the surface density is less, the lightweight, use the utility model discloses a car internal sound insulation pad that the syllable -dividing multilayer combined material that makes an uproar made falls in the lightweight, collects lightweight, sound insulation, health, environmental protection in an organic whole, is favorable to improving customer's comfort.
Description
Technical field
This utility model belongs to automotive interior material field, is specifically related to a kind of lightweight noise reduction sound insulation multilayer materials.
Background technology
The daily life of modern, the dependence for automobile gets more and more, more and more higher to the performance requirement of automobile each side.Comfortableness by bus to user be experienced as the most direct, how many including the abnormal smells from the patient size of driver's cabin, noise level, harmful volatilization gas, the comfort taken in all affecting car.Automotive light weight technology, is the trend of world today's development of automobile, and is directly connected to energy consumption and the power performance of automobile.But, for the various noises such as isolate engine noise, wind is made an uproar, make an uproar in road, improving the comfort level of user, the commonly used sound insulating pad of existing vehicle is isolated or absorbs noise.The vehicle noise insulation pad of traditional handicraft generally uses heavy layer EVA (ethylene-vinyl acetate copolymer) composite polyurethane foaming layer as puigging, and wherein, the surface density of heavy layer is typically 2～6kg/m2, therefore, there is the shortcoming that weight is big, cost is high in traditional sound insulating pad, is unfavorable for the lightweight of automobile.The Organic substance volatile quantity that EVA material abnormal smells from the patient is big, harmful poisonous simultaneously is high, unfavorable to passenger's health.
Utility model content
The purpose of this utility model is to provide a kind of lightweight noise reduction sound insulation multilayer materials and sound insulating pad, solves that existing vehicle noise insulation pad cost is high, can not have sound-absorbing concurrently and sound insulation value, Organic substance volatile quantity is big, abnormal smells from the patient is big, the feature of environmental protection is poor technical problem simultaneously.
The technical solution of the utility model is as follows:
This utility model provides a kind of lightweight noise reduction sound insulation multilayer materials, described multilayer materials is formed by covering the polyurethane foam of superposition, nonwoven layer, EAA/PP/EAA sound deadening sheet layer, fiberizing carpet veneer and put-down tapetum fibrosum surface layer successively, bonding connection between adjacent two layers.
Preferably, described put-down tapetum fibrosum surface layer and fiberizing carpet veneer are bonding by the PE hot-melt adhesive powder being spread between two-layer；Described put-down tapetum fibrosum surface layer and fiberizing carpet veneer, after PE dusting compoiste adhering, form sound absorbing layer, and the dusting amount of described PE hot-melt adhesive powder is 120g/m2。
PE is polyethylene, is the aggregated prepared a kind of thermoplastic resin of ethylene.
Preferably, described EAA/PP/EAA sound deadening sheet layer and nonwoven layer synthesize bonding by disposable thermal.
Preferably, the surface density of described put-down tapetum fibrosum surface layer is 450g/m2, thickness is 6mm.
The thickness of put-down tapetum fibrosum surface layer refers to comprise the thickness that floss is high.
Preferably, the surface density of described fiberizing carpet veneer is 750g/m2, thickness is 3mm.
Preferably, described EAA/PP/EAA sound deadening sheet layer includes two-layer EAA film and one layer of PP film, and described PP film is arranged between two-layer EAA film.
EAA is ethylene acrylic acid co polymer；PP is polyacrylic polymer.
Preferably, the surface density of described EAA/PP/EAA sound deadening sheet layer is 35g/m2, thickness is 0.3mm.
Preferably, the non-woven fabrics of described nonwoven layer is PET non-woven fabrics, i.e. polyethylene terephthalate non-woven fabrics；The surface density of described nonwoven layer is 150g/m2, thickness is 1mm.
Preferably, the thickness of described polyurethane foam is 25mm.
In order to make multilayer materials of the present utility model be beneficial to marketing, each raw material of the present utility model all can select marketable material.Such as, put-down fiber carpet surface and fiberizing felt can be selected for Ningbo and open up general 8747 carpet shaping felt composites, and EAA/PP/EAA sound deadening sheet can be selected for Hydron remittance TC1500CX96 sound deadening sheet, and non-woven fabrics can be selected for Ningbo and opens up general 3065 pure PET non-woven fabrics.
A kind of sound insulating pad, is made up of above-mentioned lightweight noise reduction sound insulation multilayer materials.
This utility model has the advantages that
(1) lightweight noise reduction sound insulation multilayer materials of the present utility model, low cost, Organic substance volatile quantity is little, abnormal smells from the patient is little, the feature of environmental protection is good；Wherein, the bonding mode of put-down tapetum fibrosum surface layer and fiberizing carpet veneer uses PE dusting compoiste adhering, and manufacturing procedure is few, it is to avoid uses the in-vehicle exposure that conventional chemical adhesive brings, improves in-car air quality, further increase the feature of environmental protection；
(2) lightweight noise reduction sound insulation multilayer materials of the present utility model, has sound-absorbing and sound insulation value, noise reduction soundproof effect concurrently good simultaneously；Wherein, put-down tapetum fibrosum surface layer and fiberizing carpet veneer form sound absorbing layer, effectively absorb noise；Compared with the average sound absorption coefficient 0.3 of traditional handicraft EVA composite polyurethane foam material, composite of the present utility model, average sound absorption coefficient significantly improves, and improves 0.51；And the EAA film in EAA/PP/EAA sound deadening sheet layer has a soundproof effect stopping sound transmission, the puigging that EAA/PP/EAA sound deadening sheet layer, nonwoven layer and polyurethane foam are collectively forming, can effective blocking noise, the sound insulation value of composite is good；
(3) lightweight noise reduction sound insulation multilayer materials of the present utility model, has preferable ruggedness and stability；Under suitable hot conditions, in EAA/PP/EAA sound deadening sheet layer, the PP between EAA fusing, two-layer EAA is non-fusible, and the fiberizing carpet veneer of sound absorbing layer and nonwoven layer can be the most bonding by the EAA film layer melted；And the use of nonwoven layer also makes the polyurethane foam can be the most bonding with sound absorbing layer；
(4) lightweight noise reduction sound insulation multilayer materials of the present utility model, can meet the lightweight demand of modern；Wherein, the surface density of material is from the 4.7kg/m of traditional handicraft23.3kg/m is down in left and right2Left and right；
(5) sound insulating pad that lightweight noise reduction sound insulation multilayer materials of the present utility model is made, pollute little, toxicant volatile quantity is little, sound-absorbing effect good, integrates lightweight, sound insulation, health, environmental protection, be conducive to improve client comfort.
Accompanying drawing explanation
Fig. 1 is lightweight noise reduction sound insulation multilayer materials of the present utility model structural representation in embodiment 1；
Fig. 2 is the comparison of the lightweight noise reduction sound insulation multilayer materials in this utility model embodiment 1 and the sound absorbing capabilities of the sound insulating pad material of traditional handicraft；
Fig. 3 is the comparison of the lightweight noise reduction sound insulation multilayer materials in this utility model embodiment 1 and the sound insulation property of the sound insulating pad material of traditional handicraft；
Wherein, 1 is put-down tapetum fibrosum surface layer, and 2 is fiberizing carpet veneer, and 3 is EAA/PP/EAA sound deadening sheet layer, and 4 is nonwoven layer, and 5 is polyurethane foam.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, lightweight noise reduction sound insulation multilayer materials of the present utility model is described in detail; but embodiment does not have restriction effect to protection domain of the present utility model; this utility model is not limited to below example; all simple equivalence changes made with this utility model claim and description, still fall within the scope of this utility model patent protection.
Embodiment 1 lightweight noise reduction sound insulation multilayer materials
Lightweight noise reduction sound insulation multilayer materials of the present utility model, as shown in Figure 1, formed by covering the polyurethane foam 5 of superposition, nonwoven layer 4, EAA/PP/EAA sound deadening sheet layer 3, fiberizing carpet veneer 2 and put-down tapetum fibrosum surface layer 1 successively, bonding connection between adjacent two layers；Put-down tapetum fibrosum surface layer 1 and fiberizing carpet veneer 2 are bonding by the PE hot-melt adhesive powder being spread between two-layer；EAA/PP/EAA sound deadening sheet layer 3 and nonwoven layer 4 synthesize bonding by disposable thermal；Polyurethane foam 5 is to obtain by carrying out polyurethane foam on the scope of freedom of nonwoven layer 4；The surface density of put-down tapetum fibrosum surface layer 1 is 450g/m2, thickness (comprising floss high) is 6mm；The surface density of fiberizing carpet veneer 2 is 750g/m2, thickness is 3mm；EAA/PP/EAA sound deadening sheet layer 3 includes two-layer EAA film and one layer of PP film, and PP film is arranged between two-layer EAA film；The surface density of EAA/PP/EAA sound deadening sheet layer 3 is 35g/m2, thickness is 0.3mm；The non-woven fabrics of nonwoven layer 4 is PET non-woven fabrics；The surface density of nonwoven layer 4 is 150g/m2, thickness is 1mm；The thickness of polyurethane foam 5 is 25mm.
The lightweight noise reduction sound insulation multilayer materials of the present embodiment, low cost, Organic substance volatile quantity is little, abnormal smells from the patient is little, the feature of environmental protection is good, have sound-absorbing concurrently and sound insulation value, noise reduction soundproof effect is good and surface density is less, lightweight simultaneously.
Embodiment 2 sound insulating pad
By the lightweight noise reduction sound insulation multilayer materials in this utility model embodiment 1, it is fitted on the panel beating of automobile, obtains sound insulating pad of the present utility model.
As in figure 2 it is shown, be the comparison of the present embodiment sound insulating pad material and the acoustic absorptivity of traditional handicraft sound insulating pad material.As shown in Figure 2, the acoustic absorptivity of traditional handicraft sound insulating pad material is significantly less than the acoustic absorptivity of the present embodiment sound insulating pad material (the lightweight noise reduction sound insulation multilayer materials in the present embodiment sound insulating pad material, i.e. embodiment 1)；The average sound absorption coefficient of traditional handicraft sound insulating pad material is 0.3, and the average sound absorption coefficient of the present embodiment sound insulating pad material is 0.81, is 2.7 times of traditional handicraft；The average sound absorption coefficient of the present embodiment sound insulating pad material improves 0.51 than the average sound absorption coefficient of traditional handicraft sound insulating pad material, and sound absorbing capabilities is greatly improved.
As it is shown on figure 3, be the comparison of the present embodiment sound insulating pad material and the sound insulation property of traditional handicraft sound insulating pad material.From the figure 3, it may be seen that the sound insulation property of the present embodiment sound insulating pad material is slightly below the sound insulation property of traditional handicraft sound insulating pad material, but revealing in view of having sound in actual entrucking, the difference of both sound insulation properties is less.
In sum, the noise reduction soundproof effect of the present embodiment sound insulating pad material is better than traditional handicraft sound insulating pad material on the whole.
Further, since the present embodiment sound insulating pad, the surface density of its material is 3.3kg/m2, and the surface density of traditional handicraft sound insulating pad material is 4.7kg/m2, reduce 29.79%.
In sum, the sound insulating pad material of the present embodiment, while its acoustical behavior is better than traditional handicraft material, its surface density is also little compared with traditional handicraft, lightweight.
The sound insulating pad of the present embodiment, in automobile, integrates lightweight, sound insulation, health, environmental protection, is conducive to improving the comfort of client.
Claims (10)
1. a lightweight noise reduction sound insulation multilayer materials, it is characterized in that, described multilayer materials is formed by covering the polyurethane foam (5) of superposition, nonwoven layer (4), EAA/PP/EAA sound deadening sheet layer (3), fiberizing carpet veneer (2) and put-down tapetum fibrosum surface layer (1) successively, bonding connection between adjacent two layers.
Lightweight noise reduction sound insulation multilayer materials the most according to claim 1, it is characterised in that described put-down tapetum fibrosum surface layer (1) and fiberizing carpet veneer (2) are bonding by the PE hot-melt adhesive powder being spread between two-layer.
Lightweight noise reduction sound insulation multilayer materials the most according to claim 1, it is characterised in that the surface density of described put-down tapetum fibrosum surface layer (1) is 450g/m2, thickness is 6mm.
Lightweight noise reduction sound insulation multilayer materials the most according to claim 1, it is characterised in that the surface density of described fiberizing carpet veneer (2) is 750g/m2, thickness is 3mm.
Lightweight noise reduction sound insulation multilayer materials the most according to claim 1, it is characterised in that described EAA/PP/EAA sound deadening sheet layer (3) includes two-layer EAA film and one layer of PP film, described PP film is arranged between two-layer EAA film.
Lightweight noise reduction sound insulation multilayer materials the most according to claim 1, it is characterised in that the surface density of described EAA/PP/EAA sound deadening sheet layer (3) is 35g/m2, thickness is 0.3mm.
Lightweight noise reduction sound insulation multilayer materials the most according to claim 1, it is characterised in that the non-woven fabrics of described nonwoven layer (4) is PET non-woven fabrics.
Lightweight noise reduction sound insulation multilayer materials the most according to claim 1, it is characterised in that the surface density of described nonwoven layer (4) is 150g/m2, thickness is 1mm.
Lightweight noise reduction sound insulation multilayer materials the most according to claim 1, it is characterised in that the thickness of described polyurethane foam (5) is 25mm.
10. a sound insulating pad, it is characterised in that described sound insulating pad is made up of the lightweight noise reduction sound insulation multilayer materials as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620156961.6U CN205651741U (en) | 2016-03-01 | 2016-03-01 | Make an uproar syllable -dividing multilayer combined material and pad that gives sound insulation fall in lightweight |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620156961.6U CN205651741U (en) | 2016-03-01 | 2016-03-01 | Make an uproar syllable -dividing multilayer combined material and pad that gives sound insulation fall in lightweight |
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| Publication Number | Publication Date |
|---|---|
| CN205651741U true CN205651741U (en) | 2016-10-19 |
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| CN201620156961.6U Expired - Fee Related CN205651741U (en) | 2016-03-01 | 2016-03-01 | Make an uproar syllable -dividing multilayer combined material and pad that gives sound insulation fall in lightweight |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380091A (en) * | 2017-07-20 | 2017-11-24 | 苏州三基铸造装备股份有限公司 | Lightweight sound insulation board component |
| CN109483976A (en) * | 2018-09-25 | 2019-03-19 | 上海新安汽车隔音毡有限公司 | A kind of motor in electric automobile sound insulating pad and preparation method thereof |
| CN114179450A (en) * | 2021-12-13 | 2022-03-15 | 天津工业大学 | Preparation method of fiber-based multilayer noise-reducing flexible composite material |
-
2016
- 2016-03-01 CN CN201620156961.6U patent/CN205651741U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380091A (en) * | 2017-07-20 | 2017-11-24 | 苏州三基铸造装备股份有限公司 | Lightweight sound insulation board component |
| CN109483976A (en) * | 2018-09-25 | 2019-03-19 | 上海新安汽车隔音毡有限公司 | A kind of motor in electric automobile sound insulating pad and preparation method thereof |
| CN109483976B (en) * | 2018-09-25 | 2021-08-03 | 上海新安汽车隔音毡有限公司 | Sound insulation pad for electric automobile motor and manufacturing method thereof |
| CN114179450A (en) * | 2021-12-13 | 2022-03-15 | 天津工业大学 | Preparation method of fiber-based multilayer noise-reducing flexible composite material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 |