CN105170423A - Sound-absorbing sound-isolating coating preparation method - Google Patents
Sound-absorbing sound-isolating coating preparation method Download PDFInfo
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- CN105170423A CN105170423A CN201510495668.2A CN201510495668A CN105170423A CN 105170423 A CN105170423 A CN 105170423A CN 201510495668 A CN201510495668 A CN 201510495668A CN 105170423 A CN105170423 A CN 105170423A
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Abstract
The invention provides a sound-absorbing sound-isolating coating preparation method. The method includes the following steps that polymer material powder, graphite powder and a base material are provided, and the polymer material powder is epoxy powder or polyethylene (PE) resin; the polymer material powder and the graphite powder are mixed to form a mixture; the mixture is heated to 350-650 DEG C; the mixture is sprayed on the base material in a welded mode; and the mixture is cooled to be in a normal temperature state, and a sound-absorbing layer is formed. The sound-isolating material provided through the preparation method is simple in structure, convenient to maintain and low in manufacturing and maintenance cost, and a good sound wave absorbing effect can be provided.
Description
Technical field
The present invention, about a kind of sound-absorbing noise deadener preparation method, refers to a kind of epoxy resin (Epoxy) or polyvinyl resin (PE) admixed graphite powder and surfacing forms the preparation method of acoustic material on base material especially.
Background technology
Press, traditional soundproof wall can arrange sponge at the iron sheet internal layer on surface, utilizes the sound absorption characteristics of sponge cannot partially absorbing by iron sheet sound insulation, to reach soundproof effect.
But soundproof wall is after going through long-term exposing to the sun and rain, inner sponge can be made deteriorated gradually, to maintain soundproof wall effect, internal layer sponge certainly will be renewed, then whole soundproof wall must be pulled down maintenance, and may need regularly to determine whether deterioration loosens installation screw, comparatively complicated and time-consuming in the operation of maintenance.And the sponge degradation of soundproof wall inside, not easily with the naked eye find out from the outward appearance of soundproof wall, what maintenance personal needed can to confirm soundproof wall through test bears expenditure, when the quantity of soundproof wall becomes many, huger time and manpower is inherently spent to carry out testing and keeping in repair, cause the soundproof wall that present highway, overpass are seen, soundproof wall more or less may lose the soundproof effect of part, but immediately cannot place under repair, guarantee to keep in good repair.
As No. CN103710873Ath, China's Mainland patent " a kind of non-woven fabrics acoustical cotton containing Graphene " has come out with a kind of acoustical cotton, non-woven fabrics acoustical cotton containing Graphene, this acoustical cotton is by top coat, back layer, and the cellucotton layer be clipped between top coat and back layer is formed, top coat, back layer adopts nonwoven cloth material, this non-woven fabrics is made up by meltblown of following raw materials according: isotactic polypropylene 100, vinylacetate 5-7, 2-hydroxypropyl acrylate 2-3, isocyanates 1-2, silica 4-5, sodium phosphate trimer 2-3, epoxidized soybean oil 12-15, Graphene 1-2, softex kw 1-2, Radix Isatidis 3-4, folium isatidis 1-2, cordate houttuynia 2-3, auxiliary agent 4-5.
It take fibrous material as the acoustical cotton of body that this patent provides a kind of, effectively can reach the effect of sound-absorbing anti-noise, application prospect is extensive, the present inventor admits the Creation Idea of above-mentioned patent very much, but because fibrous material, nonwoven cloth are after long-term exposing to the sun and rain, its structure also has rotten, deteriorated equivalent risk, and the effect of its sound-absorbing anti-noise likely lost efficacy, and therefore above-mentioned acoustical cotton still has the space of improvement as sound insulation material.
Summary of the invention
The present inventor adheres to excelsior kindhearted motivation, proposes a kind of acoustic material, not only simple structure, easy to maintenance, manufactures, maintenance cost is low, also can provide good absorption sound wave effect.
In order to achieve the above object, the present invention takes following technological means to be reached, wherein, sound-absorbing noise deadener preparation method of the present invention, comprise the following steps: a macromolecule material powder, a powdered graphite and a base material are provided, wherein, this macromolecule material powder is an epoxy resin (Epoxy) powder or a polyvinyl resin (PE) powder; Mix this macromolecule material powder and this powdered graphite forms a mixture, wherein, in this mixture, the concentration of volume percent of this powdered graphite is between 5vol% to 25vol%; Heat this mixture extremely between 350 degree to 650 degree Celsius Celsius; This mixture of surfacing is on this base material; And cool this mixture to normal temperature state to form a puigging.
In present pre-ferred embodiments, this powdered graphite is expanded graphites powder.
In present pre-ferred embodiments, this mixture of this surfacing refers to and utilizes a spray welding unit by this mixture surfacing on this base material on this base material.
In present pre-ferred embodiments, this spray welding unit is a hot spray-welding device.
In present pre-ferred embodiments, this macromolecule material powder of this mixing and this powdered graphite more comprise the following steps before forming a mixture: hot melt surfacing allumen forms a resist layer to increase corrosion stability on this base material.
In present pre-ferred embodiments, the thickness of this resist layer is between 200 μm to 700 μm.
In present pre-ferred embodiments, this mixture of this cooling more comprises the following steps after forming a puigging to normal temperature state: this mixture of surfacing is on this puigging and be cooled to normal temperature state to form one second puigging.
In present pre-ferred embodiments, the thickness of this second puigging is between 0.4cm to 1.3cm.
In present pre-ferred embodiments, the thickness of this puigging is between 0.4cm to 1.3cm.
In present pre-ferred embodiments, this mixture of this cooling more comprises the following steps: to heat this puigging top layer extremely between 350 degree to 650 degree Celsius Celsius after forming a puigging to normal temperature state; And cool this puigging to normal temperature state.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of sound-absorbing noise deadener preparation method one embodiment of the present invention.
Fig. 2 is the schematic diagram of sound-absorbing noise deadener preparation method one embodiment of the present invention.
Fig. 3 a is the method flow diagram of another embodiment of sound-absorbing noise deadener preparation method of the present invention.
Fig. 3 b is the schematic diagram of another embodiment of sound-absorbing noise deadener preparation method of the present invention.
Fig. 4 a is acoustic material sound insulation coefficient-frequency diagram that sound-absorbing noise deadener preparation method epoxy resin of the present invention mixes general graphite powder.
Fig. 4 b is the acoustic material sound insulation coefficient-frequency diagram of the mixed expanded type graphite powder of sound-absorbing noise deadener preparation method epoxy resin of the present invention.
Fig. 5 a is acoustic material sound insulation coefficient-frequency diagram that sound-absorbing noise deadener preparation method polyvinyl resin of the present invention mixes general graphite powder.
Fig. 5 b is the acoustic material sound insulation coefficient-frequency diagram of the mixed expanded type graphite powder of sound-absorbing noise deadener preparation method polyvinyl resin of the present invention.
Wherein, description of reference numerals is as follows:
1 macromolecule material powder
2 powdered graphites
3 base materials
4 mixtures
5 puiggings
51 second puiggings
6 spray welding units
7 resist layers
91 ~ 95,91 ' ~ 96 ' step
Detailed description of the invention
For reaching above-mentioned purpose and effect, the technology used in the present invention means and structure, with regard to present pre-ferred embodiments, hereby drawing illustrates that its features and functions is as follows in detail, understand completely in order to do profit, but it is noted that, these contents do not form restriction of the present invention.
Shown in Fig. 1 and Fig. 2, it is method flow diagram and the schematic diagram of sound-absorbing noise deadener preparation method one embodiment of the present invention.Sound-absorbing noise deadener is preparation method comprise the following steps:
Step 91: macromolecule material powder 1, powdered graphite 2 and a base material 3 is provided.In the present embodiment, this macromolecule material powder 1 is an epoxy resin (Epoxy) powder or a polyvinyl resin (PE) powder, this powdered graphite 2 is general graphite powder (NormalGraphitePowder) or expanded graphites powder (ExpandedGraphitePowder), this base material 3 be a sheet metal, a stone sheet material or a cement sheet material above-mentioned one of them.
Step 92: mix this macromolecule material powder 1 and form a mixture 4 with this powdered graphite 2.The general graphite powder of different volumes percent concentration and expanded graphites powder are mixed in epoxy powder or polyethylene resin powder to form this mixture 4 by the present invention respectively, the composition of this mixture 4 as the powdered graphite of form one in mixture ratio concentration table shown in, preferably, in this mixture 4, the concentration of volume percent of this powdered graphite 2 should between 5vol% to 25vol%.
Form one powdered graphite is in the concentration table of mixture ratio
Step 93: heat this mixture 4 between 350 degree to 650 degree Celsius Celsius.
Step 94: this mixture 4 of surfacing is on this base material 3.The present invention utilizes a spray welding unit 6 to be heated to by this mixture 4 between 350 degree to 650 degree Celsius Celsius, after this mixture 4 powder face melting, be atomized surfacing on this base material 3 with pressure-air again, this spray welding unit 6 can be a hot spray-welding device common on the market, but is not limited thereto.It is worth mentioning that, this base material 3 first can carry out blasting treatment, promotes coarse sand and clashes into substrate surface, remove oxide on surface or impurity, and can make surface roughening with pressure-air, and this mixture 4 is increased with the tack of this base material 3.
Step 95: cool this mixture 4 to normal temperature state to form a puigging 5.Allow this mixture 4 naturally cool to normal temperature state, make this mixture 4 form a puigging 5 on this base material 3, preferably, the thickness of this puigging 5 is between 0.4cm to 1.3cm.
Shown in Fig. 3 a and Fig. 3 b, it is method flow diagram and the schematic diagram of another embodiment of sound-absorbing noise deadener preparation method of the present invention.In an embodiment of the present invention, this step 92 ': mix before this macromolecule material powder 1 forms a mixture 4 with this powdered graphite 2 and more comprise a step 911 ': hot melt surfacing allumen forms a resist layer 7 to increase corrosion stability on this base material 3.This allumen is coated on this base material 3, can increase the corrosion stability of this base material 3, extends its life-span, and does not affect the soundproof effect of this puigging 5, and preferably, the thickness of this resist layer 7 is between 200 μm to 700 μm.
In invention work one embodiment, this step 95 ': cool this mixture 4 to normal temperature state and more comprise a step 96 to be formed after a puigging 5 ': this mixture 4 of surfacing is on this puigging 5 and be cooled to normal temperature state to form one second puigging 51, preferably, the thickness of this second puigging 51 is between 0.4cm to 1.3cm.
Refer to shown in Fig. 4 a, it is acoustic material sound insulation coefficient-frequency diagram that sound-absorbing noise deadener preparation method epoxy resin of the present invention mixes general graphite powder.Because epoxy resin has netted property structure in micro-structural, this kind of netted property structure can promote high molecular viscoplasticity, and viscoplasticity can cause sound energy loss, reach the effect of sound-absorbing, and the epoxy resin of different-thickness there is very big-difference for absorption sound wave frequency.Can find out that its absorption sound wave successful of acoustic material of surfacing pure epoxy resin is better than the acoustic material of non-surfacing epoxy resin according to Fig. 4 a, and epoxy resin changes original epoxy resin Absorbable rod sound wave frequency after mixing general graphite powder, form new absorption frequency of sound wave wave band.
Refer to shown in Fig. 4 b, it is the acoustic material sound insulation coefficient-frequency diagram of the mixed expanded type graphite powder of sound-absorbing noise deadener preparation method epoxy resin of the present invention.Compared to general graphite powder, the particle of expanded graphites powder is larger and loose, causes degree of adhesion low, also affect the structural of puigging, cause the loose of puigging closely not stack, and then affect sound insulation coefficient in the process of spraying.Can find out that the content number of expanded graphites powder can have influence on sound wave by Fig. 4 b can absorbed frequency band, its sound insulation coefficient maximum of acoustic material of the expanded graphites powder of epoxy resin mixed volume percent concentration 5vol% about frequency be 4000Hz place, and its sound insulation coefficient maximum of acoustic material of the expanded graphites powder of epoxy resin mixed volume percent concentration 20vol% about frequency be 5000Hz place.
Refer to shown in Fig. 5 a, it is acoustic material sound insulation coefficient-frequency diagram that sound-absorbing noise deadener preparation method polyvinyl resin of the present invention mixes general graphite powder.As can be seen from Fig. 5 a, when polyvinyl resin mixes general graphite powder, a good wave absorption effect is all respectively had at low frequency (1700Hz) and high frequency (3700Hz), add the absorption frequency that general graphite can change sound wave, reason is because the general graphite powder of variable concentrations situation about scattering in the mixture, when adding concentration and improving, graphite powder is agglomerate in the mixture, form the graphite powder that particle is slightly large, it, compared with the low-frequency sound wave of the corresponding long wavelength of energy, causes absworption peak.Add concentration low time then contrary, scatter uniform tiny graphite powder, it has good acoustical characteristics for the high frequency sound wave that wavelength is short.
Shown in Fig. 1, Fig. 2 and Fig. 5 b, Fig. 5 b is the acoustic material sound insulation coefficient-frequency diagram of the mixed expanded type graphite powder of sound-absorbing noise deadener preparation method polyvinyl resin of the present invention.As can be seen from Fig. 5 b, during the mixed expanded type graphite powder of polyvinyl resin, also can improve the wave absorption interference coefficient of acoustic material at high frequency, and the frequency band of wave absorption is also really subject to expanded graphites powder content and affects.
In an embodiment of the present invention, this step 95: cool this mixture 4 to normal temperature state and more comprise the following steps: to heat this puigging 5 top layer extremely between 350 degree to 650 degree Celsius Celsius after forming a puigging 5; And cool this puigging 5 to normal temperature state.As can be seen from Fig. 5 b, its better sound-absorbing frequency band of puigging after again heating can change and sound-absorbing effect also can promote to some extent.
Comprehensively above-mentioned, can find out that the present invention can improve its sound insulation coefficient by macromolecular material admixed graphite powder, and by changing powdered graphite content, effectively can absorb for the sound wave of different frequency, providing and apply widely.The sound-absorbing noise deadener preparation method that the present invention proposes, compares with located by prior art, really has following advantages:
(1) sound-absorbing noise deadener preparation method of the present invention, can make up the shortcoming of fibrous material, nonwoven cloth and plastic material, take into account weatherability and intensity simultaneously.
(2) sound-absorbing noise deadener preparation method of the present invention, its simple structure, processing procedure is quick, only old puigging must be wiped off, surfacing again during maintenance.
(3) sound-absorbing noise deadener preparation method of the present invention, its raw material, instrument obtain easily, and cost is also not high, significantly can reduce preparation and maintenance cost.
Through above-mentioned detailed description, fully showing the progressive that the present invention has enforcement, and be new creation not seen before, meet patent of invention important document completely, files an application in whence in accordance with the law.Only the foregoing is only preferred embodiment of the present invention, when can not in order to limit scope of the invention process, that is the equalization change done according to the scope of the claims of the present invention with modify, all should belong in scope that patent of the present invention contains.
Claims (10)
1. a sound-absorbing noise deadener preparation method, comprises the following steps:
There is provided a macromolecule material powder, a powdered graphite and a base material, wherein, this macromolecule material powder is an epoxy powder or a polyethylene resin powder;
Mix this macromolecule material powder and this powdered graphite forms a mixture, wherein, in this mixture, the concentration of volume percent of this powdered graphite is between 5vol% to 25vol%;
Heat this mixture extremely between 350 degree to 650 degree Celsius Celsius;
This mixture of surfacing is on this base material; And
Cool this mixture to normal temperature state to form a puigging.
2. sound-absorbing noise deadener preparation method as claimed in claim 1, wherein, this powdered graphite is expanded graphites powder.
3. sound-absorbing noise deadener preparation method as claimed in claim 1, wherein, this mixture of this surfacing refers to utilize a spray welding unit by this mixture surfacing on this base material on this base material.
4. sound-absorbing noise deadener preparation method as claimed in claim 3, wherein, this spray welding unit is a hot spray-welding device.
5. sound-absorbing noise deadener preparation method as claimed in claim 1, wherein, this macromolecule material powder of this mixing and this powdered graphite more comprise the following steps: before forming a mixture that hot melt surfacing allumen forms a resist layer to increase corrosion stability on this base material.
6. sound-absorbing noise deadener preparation method as claimed in claim 5, wherein, the thickness of this resist layer is between 200 μm to 700 μm.
7. the sound-absorbing noise deadener preparation method as described in claim 1 or 5 or 6, wherein, this mixture of this cooling to normal temperature state more to comprise the following steps: that this mixture of surfacing is cooled to normal temperature state to form one second puigging on this puigging after forming a puigging.
8. sound-absorbing noise deadener preparation method as claimed in claim 7, wherein, the thickness of this second puigging is between 0.4cm to 1.3cm.
9. sound-absorbing noise deadener preparation method as claimed in claim 1, wherein, the thickness of this puigging is between 0.4cm to 1.3cm.
10. sound-absorbing noise deadener preparation method as claimed in claim 1, wherein, this mixture of this cooling more comprises the following steps: after forming a puigging to normal temperature state
Heat this puigging top layer extremely between 350 degree to 650 degree Celsius Celsius; And
Cool this puigging to normal temperature state.
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| CN201510495668.2A CN105170423B (en) | 2015-08-13 | 2015-08-13 | Sound-absorbing noise deadener preparation method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012542A (en) * | 2016-07-05 | 2016-10-12 | 东华大学 | Anti-static wear-resistant noise reduction and sound insulation material and preparation method thereof |
| CN106285835A (en) * | 2016-08-31 | 2017-01-04 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe deafener |
| CN106280732A (en) * | 2016-08-31 | 2017-01-04 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe deafener silencing cotton coating |
| CN109747246A (en) * | 2019-01-21 | 2019-05-14 | 桐城市桐佳装饰有限公司 | Multi-layer board is used in a kind of manufacture of bedroom door |
| CN111075126A (en) * | 2019-12-25 | 2020-04-28 | 北京建院装饰工程设计有限公司 | Construction process of sound insulation inner wall |
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| CN102514199A (en) * | 2011-11-21 | 2012-06-27 | 常德市耐摩特聚合材料有限公司 | Method for producing automobile steel plate spring noise reduction piece |
| CN104403555A (en) * | 2014-12-11 | 2015-03-11 | 广东朗法博涂装新材料科技有限公司 | Sound-insulation noise-reduction water-based wood primer |
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2015
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| US20040033313A1 (en) * | 2002-08-13 | 2004-02-19 | Van Etten Holdings, Inc. | Thermal insulating and acoustic absorption coating |
| CN101805555A (en) * | 2010-04-14 | 2010-08-18 | 上海大通高科技材料有限责任公司 | Single-component, solvent-free, quake-proof and noise-control painting and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012542A (en) * | 2016-07-05 | 2016-10-12 | 东华大学 | Anti-static wear-resistant noise reduction and sound insulation material and preparation method thereof |
| CN106012542B (en) * | 2016-07-05 | 2018-05-15 | 东华大学 | A kind of anti-static and abrasion-resistant damage noise reduction sound insulating material and preparation method thereof |
| CN106285835A (en) * | 2016-08-31 | 2017-01-04 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe deafener |
| CN106280732A (en) * | 2016-08-31 | 2017-01-04 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe deafener silencing cotton coating |
| CN109747246A (en) * | 2019-01-21 | 2019-05-14 | 桐城市桐佳装饰有限公司 | Multi-layer board is used in a kind of manufacture of bedroom door |
| CN111075126A (en) * | 2019-12-25 | 2020-04-28 | 北京建院装饰工程设计有限公司 | Construction process of sound insulation inner wall |
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