CN105568429A - Preparation method of damping material - Google Patents
Preparation method of damping material Download PDFInfo
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- CN105568429A CN105568429A CN201610155456.4A CN201610155456A CN105568429A CN 105568429 A CN105568429 A CN 105568429A CN 201610155456 A CN201610155456 A CN 201610155456A CN 105568429 A CN105568429 A CN 105568429A
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- Prior art keywords
- rinsing
- damping
- irradiation
- carbide
- spinning
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/16—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate
- D01F9/17—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate from lignin
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/10—Chemical after-treatment of artificial filaments or the like during manufacture of carbon
- D01F11/16—Chemical after-treatment of artificial filaments or the like during manufacture of carbon by physicochemical methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/18—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from proteins, e.g. from wool
Abstract
The invention discloses a preparation method of a damping material, and belongs to the technical field of preparation of damping materials. The method comprises the following steps: collecting maple slurry and mixing the maple slurry with a spider web; dewatering with concentrated sulfuric acid, and removing impurities to obtain a carbide; stewing the carbide and adding an organic matter in the stewing process; when a jelly is formed, taking out the jelly and spinning while hot; and washing a filament through a potassium permanganate solution, a nitric acid solution, a hydrogen peroxide solution and clean water in sequence, and then carrying out spinning, charring and irradiation to obtain the damping material. The preparation method has the beneficial effects that the preparation steps are simple; the obtained product is wide in temperature range of -60 DEG C to 220 DEG C; the damping factor is high; and the damping and vibration-reducing performance is good.
Description
Technical field
The present invention relates to a kind of preparation method of damping material, belong to damping material preparing technical field.
Background technology
The material that damping material changes solid mechanical vibrational energy into heat energy and dissipates, is mainly used in vibration and noise control.Damping material is divided into: rubber and plastics damping sheet, as laminboard layer material.Applying more has butyl, acrylate, poly-sulphur, butyronitrile and silicon rubber, polyurethane, polyvinyl chloride and epoxy resin etc.Rubber and foamed plastics, as damping sound-absorbing material.Applying more has butyl rubber and polyurethane foam, to control the object that the modes such as cell size, through hole or closed pore reach sound absorption.Damp composite material, for vibration and noise control.It is using front two class materials as damping laminboard layer, then becomes the section bars such as various structural panel sandwich and beam with metal or nonmetal structure combination of materials, machinedly makes various structural member.High damping alloy, damping capacity is basicly stable in very wide temperature and frequency range.Applying more is copper-zinc-aluminium system, iron-chromium-molybdenum system and manganese-copper series alloy.Damping paint, damping paint add appropriate filler by macromolecule resin and auxiliary material formulated, be that one can be coated in various metal plate-like structure on the surface, there is the sapecial coating of vibration damping, thermal insulation and certain sealing property.But macromolecular material is narrower as the glass transition region of damping material, effective damping temperature domain only has 20 ~ 30 DEG C, and practical application at least needs the temperature range of 60 ~ 80 DEG C, fissipation factor in glass transition region is high, the highest of damping factor β reaches about 0.2, temperature range is narrow and the vibration damping factor is low, damping vibration attenuation poor performance.
Summary of the invention
Technical problem to be solved by this invention: narrower as the glass transition region of damping material for macromolecular material, effective damping temperature domain only has 20 ~ 30 DEG C, and practical application at least needs the temperature range of 60 ~ 80 DEG C, fissipation factor in glass transition region is high, the highest of damping factor β reaches about 0.2, temperature range is narrow and the vibration damping factor is low, the drawback of damping vibration attenuation poor performance, after providing a kind of collection maple slurry and cobweb mixing, dewater with the concentrated sulfuric acid, removal of impurities obtains carbide, to its boiling, organic matter is added in digestion process, jelly during thing, take out and reel off raw silk from cocoons while hot, by filiform successively through liquor potassic permanganate, salpeter solution, hydrogen peroxide solution, clear water rinsing, carry out spinning again, charing, irradiation obtains the method for damping material, to reach the object improving its damping vibration attenuation performance.Preparation process of the present invention is simple, and products obtained therefrom wide temperature range, the vibration damping factor are high, and damping vibration attenuation performance is good.
For solving the problems of the technologies described above, the present invention adopts technical scheme as described below to be:
(1) maple slurry and cobweb is collected respectively, 2:5 in mass ratio, the maple slurry collected and cobweb are stirred 30 ~ 40min, it is made fully to mix obtained mixture, be 72 ~ 75% concentrated sulfuric acids subsequently to adding mass fraction in the mixture of gained, addition is mixture quality 10 ~ 15%, is uniformly mixed rear carbonization reaction 1 ~ 2h, obtains carbide;
(2) carbide of above-mentioned gained is put into circular bottom pot, add water wherein, it is made not have carbide 3 ~ 5cm to be advisable, be warming up to 95 ~ 100 DEG C with 5 DEG C/min rate program, carry out stirring boiling, boiling limit, limit is respectively to adding cooking material quality 1 ~ 5% lactose and cooking material quality 1 ~ 5% guar gum in cooking material, boiling 30 ~ 40min is incubated after interpolation, obtain jelly, jelly is taken out and reels off raw silk from cocoons while hot, obtain filiform;
(3) filiform of above-mentioned gained being put into successively mass fraction is 10 ~ 15% liquor potassic permanganate rinsing 10 ~ 15min, after rinsing is complete, putting into mass fraction is 23 ~ 25% salpeter solution rinsing 10 ~ 15min, put into 28 ~ 32% hydrogen peroxide solution rinsing 10 ~ 15min again, put into clear water rinsing 10 ~ 15min subsequently;
(4) after rinsing is complete, the filiform after rinsing is placed in electrostatic spinning apparatus, arranging receiving range is 12 ~ 15cm, and relative humidity is 38%, and feeding speed is 0.06mL/min, under 10 ~ 15kV voltage, leave standstill spinning 1 ~ 2h, collects spinning fibre;
(5) spinning fibre of above-mentioned collection is placed in Muffle furnace, logical hydrogen deaeration in Muffle furnace simultaneously, controlling muffle furnace is 250 ~ 280 DEG C, in a hydrogen atmosphere, after charing 25 ~ 30min, be warming up to 370 ~ 400 DEG C with 5 DEG C/min rate program, insulation charing 2 ~ 3h, leave standstill subsequently and be cooled to room temperature, obtain carbon fiber;
(6) carbon fiber of above-mentioned gained is placed in irradiation apparatus, setting irradiation dose is 30 ~ 90kGy, and after irradiation 20 ~ 25min, raising irradiation dose is 95 ~ 150kGy, irradiation 1 ~ 2h, i.e. obtained a kind of damping material.
The damping material temperature range that the present invention obtains is for being-60 ~ 220 DEG C, and damping factor is 0.28 ~ 0.36, and damped coefficient is 0.53 ~ 0.72N/(m/s), TENSILE STRENGTH >=5.2MPa, elongation at break >=7.36, fissipation factor tan δ is 0.43 ~ 0.65.
The present invention is compared with additive method, and Advantageous Effects is:
(1) preparation process of the present invention is simple, and products obtained therefrom wide temperature range, is-60 ~ 220 DEG C;
(2) the vibration damping factor is high, and damping vibration attenuation performance is good.
Detailed description of the invention
First maple slurry and cobweb is collected respectively, 2:5 in mass ratio, the maple slurry collected and cobweb are stirred 30 ~ 40min, it is made fully to mix obtained mixture, be 72 ~ 75% concentrated sulfuric acids subsequently to adding mass fraction in the mixture of gained, addition is mixture quality 10 ~ 15%, is uniformly mixed rear carbonization reaction 1 ~ 2h, obtains carbide; Then the carbide of above-mentioned gained is put into circular bottom pot, add water wherein, it is made not have carbide 3 ~ 5cm to be advisable, be warming up to 95 ~ 100 DEG C with 5 DEG C/min rate program, carry out stirring boiling, boiling limit, limit is respectively to adding cooking material quality 1 ~ 5% lactose and cooking material quality 1 ~ 5% guar gum in cooking material, boiling 30 ~ 40min is incubated after interpolation, obtain jelly, jelly is taken out and reels off raw silk from cocoons while hot, obtain filiform; The filiform of above-mentioned gained being put into successively mass fraction is 10 ~ 15% liquor potassic permanganate rinsing 10 ~ 15min again, after rinsing is complete, putting into mass fraction is 23 ~ 25% salpeter solution rinsing 10 ~ 15min, put into 28 ~ 32% hydrogen peroxide solution rinsing 10 ~ 15min again, put into clear water rinsing 10 ~ 15min subsequently; After rinsing is complete, the filiform after rinsing is placed in electrostatic spinning apparatus, arranging receiving range is 12 ~ 15cm, and relative humidity is 38%, and feeding speed is 0.06mL/min, under 10 ~ 15kV voltage, leave standstill spinning 1 ~ 2h, collects spinning fibre; The spinning fibre of above-mentioned collection is placed in Muffle furnace, logical hydrogen deaeration in Muffle furnace simultaneously, controlling muffle furnace is 250 ~ 280 DEG C, in a hydrogen atmosphere, after charing 25 ~ 30min, be warming up to 370 ~ 400 DEG C with 5 DEG C/min rate program, insulation charing 2 ~ 3h, leave standstill subsequently and be cooled to room temperature, obtain carbon fiber; Finally the carbon fiber of above-mentioned gained is placed in irradiation apparatus, setting irradiation dose is 30 ~ 90kGy, and after irradiation 20 ~ 25min, raising irradiation dose is 95 ~ 150kGy, irradiation 1 ~ 2h, i.e. obtained a kind of damping material.
Example 1
First maple slurry and cobweb is collected respectively, 2:5 in mass ratio, the maple slurry collected and cobweb are stirred 30min, it is made fully to mix obtained mixture, be 72% concentrated sulfuric acid subsequently to adding mass fraction in the mixture of gained, addition is mixture quality 10%, is uniformly mixed rear carbonization reaction 1h, obtains carbide; Then the carbide of above-mentioned gained is put into circular bottom pot, add water wherein, it is made not have carbide 3cm to be advisable, be warming up to 95 DEG C with 5 DEG C/min rate program, carry out stirring boiling, boiling limit, limit is respectively to adding cooking material quality 1% lactose and cooking material quality 1% guar gum in cooking material, boiling 30min is incubated after interpolation, obtain jelly, jelly is taken out and reels off raw silk from cocoons while hot, obtain filiform; The filiform of above-mentioned gained being put into successively mass fraction is 10% liquor potassic permanganate rinsing 10min again, after rinsing is complete, putting into mass fraction is 23% salpeter solution rinsing 10min, then puts into 28% hydrogen peroxide solution rinsing 10min, puts into clear water rinsing 10min subsequently; After rinsing is complete, the filiform after rinsing is placed in electrostatic spinning apparatus, arranging receiving range is 12cm, and relative humidity is 38%, and feeding speed is 0.06mL/min, under 10kV voltage, leave standstill spinning 1h, collects spinning fibre; The spinning fibre of above-mentioned collection is placed in Muffle furnace, logical hydrogen deaeration in Muffle furnace simultaneously, controlling muffle furnace is 250 DEG C, in a hydrogen atmosphere, after charing 25min, be warming up to 370 DEG C with 5 DEG C/min rate program, insulation charing 2h, leave standstill subsequently and be cooled to room temperature, obtain carbon fiber; Finally the carbon fiber of above-mentioned gained is placed in irradiation apparatus, setting irradiation dose is 30kGy, and after irradiation 20min, raising irradiation dose is 95kGy, irradiation 1h, i.e. obtained a kind of damping material.
The damping material temperature range that the present invention obtains is for being-60 DEG C, and damping factor is 0.28, damped coefficient 0.53N/(m/s), TENSILE STRENGTH is 5.2MPa, and elongation at break is 7.36, and fissipation factor tan δ is 0.43; Preparation process is simple, products obtained therefrom wide temperature range; The vibration damping factor is high, and damping vibration attenuation performance is good.
Example 2
First maple slurry and cobweb is collected respectively, 2:5 in mass ratio, the maple slurry collected and cobweb are stirred 35min, it is made fully to mix obtained mixture, be 74% concentrated sulfuric acid subsequently to adding mass fraction in the mixture of gained, addition is mixture quality 13%, is uniformly mixed rear carbonization reaction 2h, obtains carbide; Then the carbide of above-mentioned gained is put into circular bottom pot, add water wherein, it is made not have carbide 4cm to be advisable, be warming up to 98 DEG C with 5 DEG C/min rate program, carry out stirring boiling, boiling limit, limit is respectively to adding cooking material quality 3% lactose and cooking material quality 3% guar gum in cooking material, boiling 35min is incubated after interpolation, obtain jelly, jelly is taken out and reels off raw silk from cocoons while hot, obtain filiform; The filiform of above-mentioned gained being put into successively mass fraction is 13% liquor potassic permanganate rinsing 13min again, after rinsing is complete, putting into mass fraction is 24% salpeter solution rinsing 13min, then puts into 30% hydrogen peroxide solution rinsing 13min, puts into clear water rinsing 13min subsequently; After rinsing is complete, the filiform after rinsing is placed in electrostatic spinning apparatus, arranging receiving range is 14cm, and relative humidity is 38%, and feeding speed is 0.06mL/min, under 13kV voltage, leave standstill spinning 2h, collects spinning fibre; The spinning fibre of above-mentioned collection is placed in Muffle furnace, logical hydrogen deaeration in Muffle furnace simultaneously, controlling muffle furnace is 265 DEG C, in a hydrogen atmosphere, after charing 28min, be warming up to 385 DEG C with 5 DEG C/min rate program, insulation charing 3h, leave standstill subsequently and be cooled to room temperature, obtain carbon fiber; Finally the carbon fiber of above-mentioned gained is placed in irradiation apparatus, setting irradiation dose is 60kGy, and after irradiation 22min, raising irradiation dose is 120kGy, irradiation 2h, i.e. obtained a kind of damping material.
The damping material temperature range that the present invention obtains is for being 80 DEG C, and damping factor is 0.32, damped coefficient 0.62N/(m/s), TENSILE STRENGTH is 5.28MPa, and elongation at break is 7.42, fissipation factor tan δ is 0.54; Preparation process is simple, products obtained therefrom wide temperature range; The vibration damping factor is high, and damping vibration attenuation performance is good.
Example 3
First maple slurry and cobweb is collected respectively, 2:5 in mass ratio, the maple slurry collected and cobweb are stirred 40min, it is made fully to mix obtained mixture, be 75% concentrated sulfuric acid subsequently to adding mass fraction in the mixture of gained, addition is mixture quality 15%, is uniformly mixed rear carbonization reaction 2h, obtains carbide; Then the carbide of above-mentioned gained is put into circular bottom pot, add water wherein, it is made not have carbide 5cm to be advisable, be warming up to 100 DEG C with 5 DEG C/min rate program, carry out stirring boiling, boiling limit, limit is respectively to adding cooking material quality 5% lactose and cooking material quality 5% guar gum in cooking material, boiling 40min is incubated after interpolation, obtain jelly, jelly is taken out and reels off raw silk from cocoons while hot, obtain filiform; The filiform of above-mentioned gained being put into successively mass fraction is 15% liquor potassic permanganate rinsing 15min again, after rinsing is complete, putting into mass fraction is 25% salpeter solution rinsing 15min, then puts into 32% hydrogen peroxide solution rinsing 15min, puts into clear water rinsing 15min subsequently; After rinsing is complete, the filiform after rinsing is placed in electrostatic spinning apparatus, arranging receiving range is 15cm, and relative humidity is 38%, and feeding speed is 0.06mL/min, under 15kV voltage, leave standstill spinning 1 ~ 2h, collects spinning fibre; The spinning fibre of above-mentioned collection is placed in Muffle furnace, logical hydrogen deaeration in Muffle furnace simultaneously, controlling muffle furnace is 280 DEG C, in a hydrogen atmosphere, after charing 30min, be warming up to 400 DEG C with 5 DEG C/min rate program, insulation charing 3h, leave standstill subsequently and be cooled to room temperature, obtain carbon fiber; Finally the carbon fiber of above-mentioned gained is placed in irradiation apparatus, setting irradiation dose is 90kGy, and after irradiation 25min, raising irradiation dose is 150kGy, irradiation 2h, i.e. obtained a kind of damping material.
The damping material temperature range that the present invention obtains is for being 220 DEG C, and damping factor is 0.36, damped coefficient 0.72N/(m/s), TENSILE STRENGTH is 5.35MPa, and elongation at break is 7.48, fissipation factor tan δ is 0.65; Preparation process is simple, products obtained therefrom wide temperature range; The vibration damping factor is high, and damping vibration attenuation performance is good.
Claims (1)
1. a preparation method for damping material, is characterized in that concrete preparation process is:
(1) maple slurry and cobweb is collected respectively, 2:5 in mass ratio, the maple slurry collected and cobweb are stirred 30 ~ 40min, it is made fully to mix obtained mixture, be 72 ~ 75% concentrated sulfuric acids subsequently to adding mass fraction in the mixture of gained, addition is mixture quality 10 ~ 15%, is uniformly mixed rear carbonization reaction 1 ~ 2h, obtains carbide;
(2) carbide of above-mentioned gained is put into circular bottom pot, add water wherein, it is made not have carbide 3 ~ 5cm to be advisable, be warming up to 95 ~ 100 DEG C with 5 DEG C/min rate program, carry out stirring boiling, boiling limit, limit is respectively to adding cooking material quality 1 ~ 5% lactose and cooking material quality 1 ~ 5% guar gum in cooking material, boiling 30 ~ 40min is incubated after interpolation, obtain jelly, jelly is taken out and reels off raw silk from cocoons while hot, obtain filiform;
(3) filiform of above-mentioned gained being put into successively mass fraction is 10 ~ 15% liquor potassic permanganate rinsing 10 ~ 15min, after rinsing is complete, putting into mass fraction is 23 ~ 25% salpeter solution rinsing 10 ~ 15min, put into 28 ~ 32% hydrogen peroxide solution rinsing 10 ~ 15min again, put into clear water rinsing 10 ~ 15min subsequently;
(4) after rinsing is complete, the filiform after rinsing is placed in electrostatic spinning apparatus, arranging receiving range is 12 ~ 15cm, and relative humidity is 38%, and feeding speed is 0.06mL/min, under 10 ~ 15kV voltage, leave standstill spinning 1 ~ 2h, collects spinning fibre;
(5) spinning fibre of above-mentioned collection is placed in Muffle furnace, logical hydrogen deaeration in Muffle furnace simultaneously, controlling muffle furnace is 250 ~ 280 DEG C, in a hydrogen atmosphere, after charing 25 ~ 30min, be warming up to 370 ~ 400 DEG C with 5 DEG C/min rate program, insulation charing 2 ~ 3h, leave standstill subsequently and be cooled to room temperature, obtain carbon fiber;
(6) carbon fiber of above-mentioned gained is placed in irradiation apparatus, setting irradiation dose is 30 ~ 90kGy, and after irradiation 20 ~ 25min, raising irradiation dose is 95 ~ 150kGy, irradiation 1 ~ 2h, i.e. obtained a kind of damping material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610155456.4A CN105568429B (en) | 2016-03-18 | 2016-03-18 | A kind of preparation method of damping material |
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| CN201610155456.4A CN105568429B (en) | 2016-03-18 | 2016-03-18 | A kind of preparation method of damping material |
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| CN105568429A true CN105568429A (en) | 2016-05-11 |
| CN105568429B CN105568429B (en) | 2017-07-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106752177A (en) * | 2016-12-02 | 2017-05-31 | 安徽汇泰车轮有限公司 | A kind of auto parts and components coating with damping action |
| CN108924699A (en) * | 2018-07-12 | 2018-11-30 | 隐士音响（杭州）有限公司 | A kind of compound horn device of carbon fiber of reduction and inhibition resonance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008163274A (en) * | 2007-01-04 | 2008-07-17 | Oita Univ | Exfoliated carbon fiber-containing composite material and method for producing the same |
| CN103981467A (en) * | 2014-05-22 | 2014-08-13 | 天津大学 | Method for preparing carbon/silicon carbide complex fiber-reinforced aluminum-based foam material |
| CN104877336A (en) * | 2015-05-07 | 2015-09-02 | 北京市射线应用研究中心 | Polyurethane-imide-base multifunctional composite damping material and preparation method thereof |
-
2016
- 2016-03-18 CN CN201610155456.4A patent/CN105568429B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008163274A (en) * | 2007-01-04 | 2008-07-17 | Oita Univ | Exfoliated carbon fiber-containing composite material and method for producing the same |
| CN103981467A (en) * | 2014-05-22 | 2014-08-13 | 天津大学 | Method for preparing carbon/silicon carbide complex fiber-reinforced aluminum-based foam material |
| CN104877336A (en) * | 2015-05-07 | 2015-09-02 | 北京市射线应用研究中心 | Polyurethane-imide-base multifunctional composite damping material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106752177A (en) * | 2016-12-02 | 2017-05-31 | 安徽汇泰车轮有限公司 | A kind of auto parts and components coating with damping action |
| CN108924699A (en) * | 2018-07-12 | 2018-11-30 | 隐士音响（杭州）有限公司 | A kind of compound horn device of carbon fiber of reduction and inhibition resonance |
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| CN105568429B (en) | 2017-07-21 |
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