CN104999595A - Porous sound absorption material - Google Patents
Porous sound absorption material Download PDFInfo
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- CN104999595A CN104999595A CN201510436454.8A CN201510436454A CN104999595A CN 104999595 A CN104999595 A CN 104999595A CN 201510436454 A CN201510436454 A CN 201510436454A CN 104999595 A CN104999595 A CN 104999595A
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- Prior art keywords
- particle
- rubber
- pressing
- sound absorption
- sound
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Tires In General (AREA)
Abstract
The invention discloses a porous sound absorption material. The material is characterized in that waste tires and rubber are used as raw materials, a binding agent is added after the raw materials are ground into particles, and then even stirring and pressing are conducted to obtain the porous sound absorption material. The mass ratio of the waste tires to the rubber is 2 to 1-3, and the mass of the binding agent is 0.5%-5% of the total mass of the waste tires and the rubber. According to the porous sound absorption material, domestic and industrial waste is taken as the main raw materials to prepare the noise reduction and sound absorption material, the production process is simple, no harmful substance is generated in the production process, safety and environment friendliness are realized, the price is low, sound absorption performance is excellent, and corrosion resistance is quite high.
Description
Technical field
The present invention relates to a kind of sound-absorbing porous material, especially a kind of sound-absorbing porous material utilized made by junked tire, rubber, belongs to technical field of rubber material.
Background technology
Along with modern science and technology and industrial expansion, noise pollution becomes global problem, sqouynd absorption lowering noise develops into an important topic about each side such as science and technology, environment, mankind's coordinated development and even modern militaries gradually, various sound-absorbing material produces thereupon, and wherein most important one is exactly Advances in Sound Absorption Polymers.The propagating characteristic of sound wave determines the possibility that macromolecular material becomes better sound-absorbing material.Sound wave is usually with the form Propagation of Energy of compressional wave, and when sound wave incident is inner to macromolecular material, wherein part energy will be used for changing the vibration of macromolecular chain and side base and do work, thus reaches the object of sound absorption.Acoustic wave energy is propagated and is obstructed is that in-fighting by macromolecular material causes, and is viscoplasticity internal damping characteristics.Especially in glass transition region, this viscoelastic damping effect is more outstanding.Improving macromolecular material in-fighting is a kind of method improving material sound absorbing capabilities, and to apply relatively many at present be in this respect elastomeric material.
Present stage, the use amount of automobile and passenger vehicle also increased gradually along with the fast development of economy, and its junked tire produced also is increasing year by year, and how to process the problem that these junked tires are pay attention to day by days instantly.The invention is intended to junked tire and rubber is primary raw material, prepares sound-absorbing porous material.Production process is easy, unharmful substance produces, safety and environmental protection, and consumes discarded object in a large number, for environmental protection cause contributes.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide that a kind of preparation method is simple, with low cost, the sound-absorbing porous material of safety and environmental protection.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of sound-absorbing porous material, it is characterized in that, with junked tire and rubber for raw material, binding agent is added after pulverizing into particle, after stirring, compacting forms, described junked tire and the mass ratio of rubber are 2:1-3, and add that quality is junked tire and rubber gross mass 0.5 ~ 5% of described bonding agent.
Further, described particle comprises coarse granule, middle particle and fine grained, and described coarse grained particle diameter is 200 ~ 600 μm, and the particle diameter of middle particle is 50 ~ 200 μm, and fine grain particle diameter is 5 ~ 50 μm.
And coarse granule in described particle, mass percentage be 5% ~ 70%, the mass percentage of middle particle is 5% ~ 50%, and fine grain mass percentage is 5% ~ 80%.
And the process of compacting comprises first pressing and final pressure, and in the process of first pressing and final pressure, also comprise the step of pressurize, and the pressure of described first pressing is 50 ~ 100MPa, the time of pressurize is 3 s ~ 20s, the pressure of final pressure is 200 ~ 500 MPa, and the dwell time is 5 ~ 30s.
Beneficial effect of the present invention is: utilize life and trade waste to be primary raw material, prepare noise reduction sound-absorbing material, and production technology is easy, process unharmful substance produces, safety and environmental protection, product price is cheap, and sound absorbing capabilities is excellent, decay resistance is better.
Detailed description of the invention
Below in conjunction with specific embodiment, concrete introduction is done to the present invention.
Should be understood that these embodiments just in order to demonstrate the invention, but not limit the scope of the invention by any way.Below in an example, the various process do not described in detail and method are conventional methods as known in the art.Source, the trade name of component used and be necessary to list its constituent person, all indicate when occurring first, identical reagent used if no special instructions thereafter, all identical with the content indicated first.
embodiment 1:
With the mass ratio of junked tire and rubber for 2:1, pulverize into particle, wherein, in particle, coarse grained mass percentage is 40%, particle diameter is 200 ~ 600 μm, the mass percentage of middle particle is 20%, particle diameter is 50 ~ 200 μm, fine grain mass percentage is 40%, particle diameter is 5 ~ 50 μm, then think to add binding agent in particle, add that quality is junked tire and rubber gross mass 2% of bonding agent, after stirring, compacting forms, the process of compacting comprises first pressing and final pressure, and in the process of first pressing and final pressure, also comprise the step of pressurize, and the pressure of described first pressing is 100MPa, the time of pressurize is 10s, the pressure of final pressure is 400 MPa, dwell time is 20s.Obtained its noise reducing coefficient of product is 0.69.
embodiment 2:
With the mass ratio of junked tire and rubber for 2:1, pulverize into particle, wherein, coarse grained mass percentage 90% in particle, particle diameter is 200 ~ 600 μm, fine grain mass percentage is 10%, particle diameter is 5 ~ 50 μm, then think to add binding agent in particle, add that quality is junked tire and rubber gross mass 2% of bonding agent, after stirring, compacting forms, the process of compacting comprises first pressing and final pressure, and in the process of first pressing and final pressure, also comprise the step of pressurize, and the pressure of described first pressing is 100MPa, the time of pressurize is 10s, the pressure of final pressure is 400 MPa, dwell time is 20s.Obtained its noise reducing coefficient of product is 0.75.
embodiment 3:
With the mass ratio of junked tire and rubber for 2:1, pulverize into particle, wherein, coarse grained mass percentage 80% in particle, particle diameter is 200 ~ 600 μm, the mass percentage of middle particle is 10%, particle diameter is 50 ~ 200 μm, fine grain mass percentage is 10%, particle diameter is 5 ~ 50 μm, then think to add binding agent in particle, add that quality is junked tire and rubber gross mass 2% of bonding agent, after stirring, compacting forms, the process of compacting comprises first pressing and final pressure, and in the process of first pressing and final pressure, also comprise the step of pressurize, and the pressure of described first pressing is 100MPa, the time of pressurize is 10s, the pressure of final pressure is 400 MPa, dwell time is 20s.Obtained its noise reducing coefficient of product is 0.77.
embodiment 4:
With the mass ratio of junked tire and rubber for 1:1, pulverize into particle, wherein, coarse grained mass percentage 80% in particle, particle diameter is 200 ~ 600 μm, the mass percentage of middle particle is 10%, particle diameter is 50 ~ 200 μm, fine grain mass percentage is 10%, particle diameter is 5 ~ 50 μm, then think to add binding agent in particle, add that quality is junked tire and rubber gross mass 2% of bonding agent, after stirring, compacting forms, the process of compacting comprises first pressing and final pressure, and in the process of first pressing and final pressure, also comprise the step of pressurize, and the pressure of described first pressing is 100MPa, the time of pressurize is 10s, the pressure of final pressure is 400 MPa, dwell time is 20s.Obtained its noise reducing coefficient of product is 0.78.
embodiment 5:
With the mass ratio of junked tire and rubber for 1:1, pulverize into particle, wherein, coarse grained mass percentage 80% in particle, particle diameter is 200 ~ 600 μm, the mass percentage of middle particle is 10%, particle diameter is 50 ~ 200 μm, fine grain mass percentage is 10%, particle diameter is 5 ~ 50 μm, then think to add binding agent in particle, add that quality is junked tire and rubber gross mass 2% of bonding agent, after stirring, compacting forms, the process of compacting comprises first pressing and final pressure, and in the process of first pressing and final pressure, also comprise the step of pressurize, and the pressure of described first pressing is 100MPa, the time of pressurize is 20s, the pressure of final pressure is 400 MPa, dwell time is 30s.Obtained its noise reducing coefficient of product is 0.72.
embodiment 6:
With the mass ratio of junked tire and rubber for 1:1, pulverize into particle, wherein, coarse grained mass percentage 80% in particle, particle diameter is 200 ~ 600 μm, the mass percentage of middle particle is 10%, particle diameter is 50 ~ 200 μm, fine grain mass percentage is 10%, particle diameter is 5 ~ 50 μm, then think to add binding agent in particle, add that quality is junked tire and rubber gross mass 2% of bonding agent, after stirring, compacting forms, the process of compacting comprises first pressing and final pressure, and in the process of first pressing and final pressure, also comprise the step of pressurize, and the pressure of described first pressing is 50MPa, the time of pressurize is 20s, the pressure of final pressure is 300 MPa, dwell time is 30s.Obtained its noise reducing coefficient of product is 0.74.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (4)
1. a sound-absorbing porous material, it is characterized in that, with junked tire and rubber for raw material, binding agent is added after pulverizing into particle, after stirring, compacting forms, described junked tire and the mass ratio of rubber are 2:1-3, and add that quality is junked tire and rubber gross mass 0.5 ~ 5% of described bonding agent.
2. a kind of sound-absorbing porous material according to claim 1, it is characterized in that, described particle comprises coarse granule, middle particle and fine grained, and described coarse grained particle diameter is 200 ~ 600 μm, the particle diameter of middle particle is 50 ~ 200 μm, and fine grain particle diameter is 5 ~ 50 μm.
3. a kind of sound-absorbing porous material according to claim 2, is characterized in that, coarse granule in described particle, mass percentage be 5% ~ 70%, the mass percentage of middle particle is 5% ~ 50%, and fine grain mass percentage is 5% ~ 80%.
4. a kind of sound-absorbing porous material according to claim 1, it is characterized in that, the process of compacting comprises first pressing and final pressure, and in the process of first pressing and final pressure, also comprise the step of pressurize, and the pressure of described first pressing is 50 ~ 100MPa, the time of pressurize is 3 s ~ 20s, the pressure of final pressure is 200 ~ 500 MPa, and the dwell time is 5 ~ 30s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510436454.8A CN104999595A (en) | 2015-07-23 | 2015-07-23 | Porous sound absorption material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510436454.8A CN104999595A (en) | 2015-07-23 | 2015-07-23 | Porous sound absorption material |
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| CN104999595A true CN104999595A (en) | 2015-10-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517910A (en) * | 2016-11-10 | 2017-03-22 | 广东电网有限责任公司电力科学研究院 | Sound absorbing material and preparation method thereof |
| CN111718181A (en) * | 2020-06-24 | 2020-09-29 | 梁碧霞 | Porous ceramic material with slow release effect and preparation method thereof |
| CN115368651A (en) * | 2022-09-14 | 2022-11-22 | 交通运输部公路科学研究所 | Sound absorption material for recycling waste tire rubber and preparation method thereof |
Citations (7)
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| KR20000012406A (en) * | 1999-12-03 | 2000-03-06 | 김광영 | Manufacturing Method for Functional Raw Material Using Waste Rubbers |
| CN1454144A (en) * | 2000-08-11 | 2003-11-05 | 因德斯普罗伊恩公司 | Compacted material comprising a polyurethane elastomer and rubber, method for obtaining said material and applications thereof |
| CN1835071A (en) * | 2006-03-10 | 2006-09-20 | 四川大学 | High molecular particle composite sound absorbing material, its mfg. method and uses |
| CN201364729Y (en) * | 2007-09-29 | 2009-12-16 | 马明 | Sound-insulation vibration-damping plate made of rubber grains |
| CN102094513A (en) * | 2009-12-14 | 2011-06-15 | 马明 | Sound insulating and vibration reducing plate and preparation method thereof |
| CN102610225A (en) * | 2011-01-25 | 2012-07-25 | 张大为 | Multi-media sound absorption material |
| CN104552697A (en) * | 2015-01-23 | 2015-04-29 | 成都市新筑路桥机械股份有限公司 | Preparation method for denoising block |
-
2015
- 2015-07-23 CN CN201510436454.8A patent/CN104999595A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000012406A (en) * | 1999-12-03 | 2000-03-06 | 김광영 | Manufacturing Method for Functional Raw Material Using Waste Rubbers |
| CN1454144A (en) * | 2000-08-11 | 2003-11-05 | 因德斯普罗伊恩公司 | Compacted material comprising a polyurethane elastomer and rubber, method for obtaining said material and applications thereof |
| CN1835071A (en) * | 2006-03-10 | 2006-09-20 | 四川大学 | High molecular particle composite sound absorbing material, its mfg. method and uses |
| CN201364729Y (en) * | 2007-09-29 | 2009-12-16 | 马明 | Sound-insulation vibration-damping plate made of rubber grains |
| CN102094513A (en) * | 2009-12-14 | 2011-06-15 | 马明 | Sound insulating and vibration reducing plate and preparation method thereof |
| CN102610225A (en) * | 2011-01-25 | 2012-07-25 | 张大为 | Multi-media sound absorption material |
| CN104552697A (en) * | 2015-01-23 | 2015-04-29 | 成都市新筑路桥机械股份有限公司 | Preparation method for denoising block |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517910A (en) * | 2016-11-10 | 2017-03-22 | 广东电网有限责任公司电力科学研究院 | Sound absorbing material and preparation method thereof |
| CN111718181A (en) * | 2020-06-24 | 2020-09-29 | 梁碧霞 | Porous ceramic material with slow release effect and preparation method thereof |
| CN115368651A (en) * | 2022-09-14 | 2022-11-22 | 交通运输部公路科学研究所 | Sound absorption material for recycling waste tire rubber and preparation method thereof |
| CN115368651B (en) * | 2022-09-14 | 2023-11-28 | 交通运输部公路科学研究所 | Sound absorption material for recycling waste tire rubber and preparation method thereof |
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Application publication date: 20151028 |
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