CN109348395A - A kind of preparation method of sound-absorbing material sheet - Google Patents
A kind of preparation method of sound-absorbing material sheet Download PDFInfo
- Publication number
- CN109348395A CN109348395A CN201811324583.8A CN201811324583A CN109348395A CN 109348395 A CN109348395 A CN 109348395A CN 201811324583 A CN201811324583 A CN 201811324583A CN 109348395 A CN109348395 A CN 109348395A
- Authority
- CN
- China
- Prior art keywords
- sound
- absorbing material
- material sheet
- suspension
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011358 absorbing material Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims description 9
- 239000000835 fiber Substances 0.000 claims abstract description 40
- 239000010457 zeolite Substances 0.000 claims abstract description 31
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 30
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000725 suspension Substances 0.000 claims abstract description 27
- 239000011230 binding agent Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 239000011268 mixed slurry Substances 0.000 claims abstract 2
- 239000002245 particle Substances 0.000 claims description 17
- 229920000620 organic polymer Polymers 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 2
- 239000011118 polyvinyl acetate Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000002491 polymer binding agent Substances 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/003—Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
-
- 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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
本发明提出一种吸音材料薄片的的制备方法，包括如下步骤：将称量好的沸石和纤维依次放入水中分散成悬浮液；再将称量好的粘结剂滴入悬浮液中继续分散搅拌5‑60分钟制成浆料，其中粘结剂占浆料的质量比为1％～20％；再将混合好的浆料流延平铺成薄片，在60℃～180℃下高温烘烤5分钟～600分钟后制成厚度为0.05～5mm的吸音材料薄片。本发明应用于扬声器系统领域、隔音降噪领域等等，能够显著的降低谐振腔共振频率，同时吸音材料薄片可根据谐振腔的形状切割成便于装填的规格尺寸，装填方便。并且吸音材料薄片韧性好，不易破碎，扬声器系统工作时不易起粉。
The present invention provides a method for preparing a sound-absorbing material sheet, which comprises the following steps: placing the weighed zeolite and fibers in water and dispersing them into a suspension; then dropping the weighed binder into the suspension and continuing to disperse Stir for 5-60 minutes to prepare a slurry, wherein the mass ratio of the binder to the slurry is 1% to 20%; then the mixed slurry is cast and flattened into thin sheets, and baked at a high temperature of 60°C to 180°C After 5 minutes to 600 minutes, a sound-absorbing material sheet with a thickness of 0.05 to 5 mm is produced. The invention is applied to the field of loudspeaker systems, sound insulation and noise reduction, etc., and can significantly reduce the resonance frequency of the resonant cavity, and at the same time, the sound-absorbing material sheet can be cut into specifications and sizes that are convenient for filling according to the shape of the resonant cavity, and the filling is convenient. In addition, the sound-absorbing material sheet has good toughness and is not easy to be broken, and is not easy to powder when the speaker system is working.
Description
Technical field
The present invention relates to sound-absorbing material technical field, more particularly to a kind of sound-absorbing material preparation of sections side
Method.
Background technique
Increasingly lightening with electronic product, the resonant cavity of speaker system component is smaller and smaller, and resonance frequency can rise
Height, low-frequency sound pressure sensitivity can reduce, and directly influence acoustical behavior.It is found by verifying, the porous material such as active carbon and zeolite
Material can effectively absorb and release air molecule, be loaded into the resonant cavity of loudspeaker assembly, by absorbing and releasing air
Molecule increases the space of resonant cavity, so as to improve resonance frequency, promotes acoustical behavior.
With the development of technology with the raising of consumer demand, electro-acoustic product, which all tends to thin type, to be developed, and this requires raise
Sound device mould group will also reduce accordingly, the very little that the space of the rear operatic tunes will become, since the encapsulation of sound-absorbing particle is limited to rear sound
The space of chamber and encapsulating material material etc. cause sound-absorbing material to be difficult to be put into the rear operatic tunes, can not achieve estimated performance mesh
Mark.
Summary of the invention
The present invention be directed in place of the deficiencies in the prior art, it is therefore an objective to provide a kind of sound-absorbing material preparation of sections method；
The present invention is applied to speaker system field, sound insulation and noise reduction field etc., and sound-absorbing material thin slice is capable of fixing in loudspeaker mould group
The rear operatic tunes in, sound-absorbing material thin slice can adjust in low frequency performance improve sound quality.
Technology solution of the invention is as follows:
A kind of sound-absorbing material preparation of sections method, sound-absorbing material thin slice are suitable for loudspeaker mould group resonant cavity, including such as
Lower step:
(1) load weighted zeolite and fiber are sequentially placed into water and are dispersed into suspension, wherein zeolite accounts for the matter of suspension
Amount than for 4%~66%, to account for the mass ratio of suspension be 4%~66% to fiber, water account for the mass ratio of suspension be 33%~
80%.
(2) load weighted binder is instilled in suspension again and continues to disperse to stir 5-60 minutes that slurry is made, wherein gluing
The mass ratio that knot agent accounts for the middle solids of slurry is 1%~20%.
(3) the slurry cast flat mixed is paved into thin slice again, 5 minutes~600 points of high-temperature baking at 60 DEG C~180 DEG C
The sound-absorbing material thin slice with a thickness of 0.05~5mm is made after clock.
Preferably, the partial size of the original powder particle of the zeolite is 0.1~10 μm, the sial mass ratio of original powder particle is not small
In 150.
Preferably, in the sound-absorbing material thin slice between the particle of zeolite, between zeolite and fiber, fiber and fiber it
Between form the duct of 50nm~10mm.
Preferably, the diameter of the fiber is 0.5~100 μm；The fiber is one of chemical fibre and glass or 2
Kind.
Preferably, the binder is inorganic binder or organic polymer class binder, inorganic binder are
Aluminum sol or silica solution, organic polymer class binder be polyester, polyacrylate, polyurethane, epoxy resin, neoprene,
One of silicon rubber and polyvinyl acetate are a variety of.
The beneficial effects of the present invention are:
The present invention proposes a kind of sound-absorbing material thin slice, is applied to speaker system field, sound insulation and noise reduction field etc., inhales
Sound material sheet can be significantly reduced resonator cavity resonance frequency f0, while sound-absorbing material thin slice can be cut according to the shape of resonant cavity
It is cut into the specification convenient for filling, convenient filling.And sound-absorbing material thin slice good toughness, non-breakable, speaker system work
As when be not easy powder.
Detailed description of the invention
Following further describes the present invention with reference to the drawings:
Fig. 1 is the structural schematic diagram of sound-absorbing material thin slice of the invention；
In Fig. 1: 1-zeolite；2-fibers；3-ducts.
Specific embodiment
Embodiment one is shown in that attached drawing 1, a kind of sound-absorbing material preparation of sections method, sound-absorbing material thin slice are suitable for loudspeaker
Mould group resonant cavity, includes the following steps:
(1) load weighted zeolite and fiber are sequentially placed into water and are dispersed into suspension, wherein zeolite accounts for the matter of suspension
Amount is 5% than accounting for the mass ratio of suspension for 40%, fiber, and the mass ratio that water accounts for suspension is 50%.The original powder of the zeolite
The partial size of particle is 1 μm.The sial mass ratio of the original powder particle of zeolite is 1000；The diameter of fiber is 10 μm；The fiber is
Chemical fibre.
(2) load weighted binder is instilled in suspension again and continues to disperse to stir 5 minutes that slurry is made, wherein binder
The mass ratio for accounting for slurry is 5%.Binder is organic binder, using polyacrylate.
(3) the slurry cast flat mixed is paved into thin slice again, thickness is made after 120 minutes in high-temperature baking at 100 DEG C
For the sound-absorbing material thin slice of 0.1mm.
In sound-absorbing material thin slice made of the above method between the particle of zeolite 1, between zeolite 1 and fiber 2, fiber 2 with
The duct 3 of 50nm~1mm is formd between fiber 2.
Embodiment two, a kind of sound-absorbing material preparation of sections method, sound-absorbing material thin slice are suitable for loudspeaker mould group resonance
Chamber includes the following steps:
(1) load weighted zeolite and fiber are sequentially placed into water and are dispersed into suspension, wherein zeolite accounts for the matter of suspension
Amount is 16% than accounting for the mass ratio of suspension for 20%, fiber, and the mass ratio that water accounts for suspension is 60%.The original powder of the zeolite
The partial size of particle is 2 μm.The sial mass ratio of the original powder particle of zeolite is 300；The diameter of fiber is 10 μm；Being of fiber
It is fine.
(2) load weighted binder is instilled in suspension again and continues to disperse to stir 10 minutes that slurry is made, wherein bonding
The mass ratio that agent accounts for slurry is 4%.Binder is organic binder, using polyacrylate.
(3) the slurry cast flat mixed is paved into thin slice again, thickness is made after 180 minutes in high-temperature baking at 120 DEG C
For the sound-absorbing material thin slice of 1mm.
In sound-absorbing material thin slice made of the above method between the particle of zeolite, between zeolite and fiber, fiber and fiber
Between form the duct of 50nm~5mm.
Embodiment three, a kind of sound-absorbing material preparation of sections method, sound-absorbing material thin slice are suitable for loudspeaker mould group resonance
Chamber includes the following steps:
(1) load weighted zeolite and fiber are sequentially placed into water and are dispersed into suspension, wherein zeolite accounts for the matter of suspension
Amount is 30% than accounting for the mass ratio of suspension for 19.5%, fiber, and the mass ratio that water accounts for suspension is 48%.The original of the zeolite
The partial size of powder particle is 3 μm.The sial mass ratio of the original powder particle of zeolite is 500；The diameter of fiber is 9 μm；The fiber is
Glass.
(2) load weighted binder is instilled in suspension again and continues to disperse to stir 20 minutes that slurry is made, wherein bonding
The mass ratio that agent accounts for slurry is 2.5%.Binder is inorganic binder, using silica solution.
(3) the slurry cast flat mixed is paved into thin slice again, at 180 DEG C high-temperature baking be made after twenty minutes with a thickness of
The sound-absorbing material thin slice of 2mm.
In sound-absorbing material thin slice made of the above method between the particle of zeolite, between zeolite and fiber, fiber and fiber
Between form the duct of 50nm~10mm.
Above-described embodiment is the specific descriptions carried out to the present invention, and only invention is further explained, Bu Nengli
Solution is limiting the scope of the present invention, and those skilled in the art makes some nonessential according to the content of foregoing invention
Modifications and adaptations are fallen within the scope of protection of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811324583.8A CN109348395B (en) | 2018-11-08 | 2018-11-08 | Preparation method of sound-absorbing material sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811324583.8A CN109348395B (en) | 2018-11-08 | 2018-11-08 | Preparation method of sound-absorbing material sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109348395A true CN109348395A (en) | 2019-02-15 |
| CN109348395B CN109348395B (en) | 2023-07-04 |
Family
ID=65314300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811324583.8A Active CN109348395B (en) | 2018-11-08 | 2018-11-08 | Preparation method of sound-absorbing material sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109348395B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116397A (en) * | 1994-03-31 | 1996-02-07 | 松下电器产业株式会社 | Loudspeaker and manufacture of same |
| JP2007153627A (en) * | 2005-11-30 | 2007-06-21 | Zeeklite Co Ltd | Production method of zeolite building material |
| CN103710879A (en) * | 2013-11-25 | 2014-04-09 | 芜湖跃飞新型吸音材料股份有限公司 | Wear-resistant heat-insulating nonwoven material for sound absorbing cotton |
| CN105171884A (en) * | 2015-07-15 | 2015-12-23 | 百仪家具有限公司 | Ecological sound-absorbing, sound-insulating and high-density fiberboard and preparation method thereof |
| CN105178014A (en) * | 2015-09-23 | 2015-12-23 | 芜湖环瑞汽车内饰件有限公司 | Kapok fiber composite sound absorbing cotton and preparing method thereof |
| CN105237033A (en) * | 2015-09-06 | 2016-01-13 | 歌尔声学股份有限公司 | Preparation method of sound absorbing material, the sound absorbing material and filling method of same |
| CN105430589A (en) * | 2015-10-30 | 2016-03-23 | 歌尔声学股份有限公司 | Sound absorbing assembly and manufacturing method thereof |
| CN106231522A (en) * | 2016-08-22 | 2016-12-14 | 安徽扬仕电子科技有限公司 | A kind of preparation method of speaker sound-absorbing material |
| CN107142557A (en) * | 2017-06-29 | 2017-09-08 | 苏州夸克新材料科技有限公司 | A kind of method that utilization method of electrostatic spinning prepares zeolite carbon composite fibre sound-absorbing material |
| CN108484147A (en) * | 2018-04-04 | 2018-09-04 | 合肥永泰新型建材有限公司 | A kind of sound absorption and noise reduction material for building and preparation method thereof |
-
2018
- 2018-11-08 CN CN201811324583.8A patent/CN109348395B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116397A (en) * | 1994-03-31 | 1996-02-07 | 松下电器产业株式会社 | Loudspeaker and manufacture of same |
| JP2007153627A (en) * | 2005-11-30 | 2007-06-21 | Zeeklite Co Ltd | Production method of zeolite building material |
| CN103710879A (en) * | 2013-11-25 | 2014-04-09 | 芜湖跃飞新型吸音材料股份有限公司 | Wear-resistant heat-insulating nonwoven material for sound absorbing cotton |
| CN105171884A (en) * | 2015-07-15 | 2015-12-23 | 百仪家具有限公司 | Ecological sound-absorbing, sound-insulating and high-density fiberboard and preparation method thereof |
| CN105237033A (en) * | 2015-09-06 | 2016-01-13 | 歌尔声学股份有限公司 | Preparation method of sound absorbing material, the sound absorbing material and filling method of same |
| CN105178014A (en) * | 2015-09-23 | 2015-12-23 | 芜湖环瑞汽车内饰件有限公司 | Kapok fiber composite sound absorbing cotton and preparing method thereof |
| CN105430589A (en) * | 2015-10-30 | 2016-03-23 | 歌尔声学股份有限公司 | Sound absorbing assembly and manufacturing method thereof |
| CN106231522A (en) * | 2016-08-22 | 2016-12-14 | 安徽扬仕电子科技有限公司 | A kind of preparation method of speaker sound-absorbing material |
| CN107142557A (en) * | 2017-06-29 | 2017-09-08 | 苏州夸克新材料科技有限公司 | A kind of method that utilization method of electrostatic spinning prepares zeolite carbon composite fibre sound-absorbing material |
| CN108484147A (en) * | 2018-04-04 | 2018-09-04 | 合肥永泰新型建材有限公司 | A kind of sound absorption and noise reduction material for building and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN109348395B (en) | 2023-07-04 |
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Address after: Room 202, Building 2, No. 1388 Zhonghua Road, Zhili Town, Wuxing District, Huzhou City, Zhejiang Province, China 313008 Patentee after: Huzhou Quark New Material Technology Co.,Ltd. Country or region after: China Address before: 215168 Building 2, No.23 Xingwu Road, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: SUZHOU KUAKE NEW MATERIAL TECHNOLOGY CO.,LTD. Country or region before: China |
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