CN107379653A - A kind of two-component acoustical cotton - Google Patents
A kind of two-component acoustical cotton Download PDFInfo
- Publication number
- CN107379653A CN107379653A CN201710648431.2A CN201710648431A CN107379653A CN 107379653 A CN107379653 A CN 107379653A CN 201710648431 A CN201710648431 A CN 201710648431A CN 107379653 A CN107379653 A CN 107379653A
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- designed
- acoustical cotton
- cotton
- hole
- component acoustical
- Prior art date
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- Pending
Links
- 229920000742 Cotton Polymers 0.000 title claims abstract description 80
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims description 25
- 239000010425 asbestos Substances 0.000 claims description 12
- 229910052895 riebeckite Inorganic materials 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 239000003610 charcoal Substances 0.000 claims description 11
- 150000002148 esters Chemical class 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 241000219146 Gossypium Species 0.000 description 48
- 238000005520 cutting process Methods 0.000 description 7
- 229920000515 polycarbonate Polymers 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 239000004425 Makrolon Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/108—Rockwool fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/08—Cars
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a kind of two-component acoustical cotton,The two-component acoustical cotton includes cotton core,Sealing margin,Through hole,Semicircle groove and curved slot,The cotton core includes extexine,Middle top layer,Sandwich layer,V-type connects hole and tree-shaped even hole,The central main part of the two-component acoustical cotton is designed as cotton core,The periphery design of the cotton core is sealing margin,The lower right corner of the cotton core is provided through hole,The periphery of the through hole is provided with sealing margin,The lower left corner of the bi-component acoustical cotton is designed with curved slot,The right side middle and lower part marginal position of the bi-component acoustical cotton is designed with semicircle groove,Rational raw material selection in two-component acoustical cotton of the present invention,Rational raw material ratio,Obtained two-component acoustical cotton light weight,Sound-absorbing effect and performance are good,Can be ornamental strong,It is easy to process,Improve the operating efficiency of processing,Use green material,Reduce pollution,Improve environmental-protection function,It is easy to the recycling of acoustical cotton.
Description
Technical field
The present invention relates to sound-absorbing material technical field, and in particular to a kind of two-component acoustical cotton.
Background technology
As the progress of society and people's level of consumption improve constantly, client is for automobile acoustical absorption sound insulation, lightweight, comfortable
Degree etc. also requires more and more higher.Traditional PET (polyethylene terephthalate)/PP (polypropylene) two-component acoustical cotton
It is widely applied in auto sound, noise reduction field, is greatly improved vehicle NVH performances.However, PET polyester fibers are
Chemical synthetic fiber fusing point height (more than 250 DEG C), degraded are difficult so that traditional PET/PP two-components sound-absorbing cotton products sealing edge die
Temperature is high.Meanwhile the recovery of PET/PP two-component acoustical cottons leftover bits is difficult.
Existing automobile using noise elimination felt cotton, there is noise reduction, fire prevention, shockproof, heat-insulated etc., but erasure effect does not still reach
Expected effect, shockproof and effect of heat insulation is nor very well, hardness is inadequate, therefore directly affects the service life of product, now
Some car ambient radiations are larger, it is easy to which human body is damaged.
The content of the invention
To solve the above problems, the present invention proposes a kind of two-component acoustical cotton.
To realize the object of the invention, the technical scheme of use is：A kind of two-component acoustical cotton, the two-component acoustical cotton bag
Cotton core, sealing margin, through hole, semicircle groove and curved slot are included, the cotton core includes extexine, middle top layer, sandwich layer, V-type
Even hole and tree-shaped even hole, the central main part of the two-component acoustical cotton are designed as cotton core, and the periphery design of the cotton core is
Sealing margin, the lower right corner of the cotton core are provided through hole, and the periphery of the through hole is provided with sealing margin, described double groups
The lower left corner of acoustical cotton is divided to be designed with curved slot, the right side middle and lower part marginal position of the bi-component acoustical cotton is designed with semicircle
Groove.
Preferably, the arranged stacked of the cotton core be designed as extexine, middle top layer, sandwich layer, middle top layer and extexine according to
Secondary stacking from top to bottom.
Preferably, the extexine is designed as nonwoven layer, and the thickness of nonwoven layer is designed as 1~2mm；The middle top layer
Poly charcoal acid ester fibrous layer is designed as, the thickness of poly charcoal acid ester fibrous layer is designed as 3~5mm, and fibre diameter is designed as 15~45um.
Preferably, the sandwich layer is designed as mine asbestos fibre layer, and the thickness of mine asbestos fibre layer is designed as 3~5mm,
Fibre diameter is designed as 15~45um.
Preferably, the middle top layer is internally provided with V-type and connects hole, and the diameter design that V-type connects hole is 2~10um, monolithic
5~8 V-types are provided with middle top layer and connect hole.
Preferably, the sandwich layer is internally provided with tree-shaped even hole, and the diameter design in tree-shaped even hole is 2~10um, tree-shaped company
Hole is interconnected.
Preferably, the width design of the sealing margin is 5mm, and thickness is designed as 1~3mm.
Preferably, the preparation method of the two-component acoustical cotton is as follows：
The first step：Asbestos deposit particle is put into spraying fusing machine and heated and spinneret, prepares a diameter of 15~45um's
Mine asbestos fibre, mine asbestos fibre is built into the sandwich layer containing tree-shaped even hole；
Second step：Polycarbonate pellets are put into spraying fusing machine and heated and spinneret, prepare a diameter of 15~45um
Polycarbonate, poly charcoal acid ester fiber is built to the middle top layer for connecting hole containing V-type, and middle top layer is stacked on the upper of sandwich layer
Lower two end faces；
3rd step：The non-woven fabrics of extexine is bonded with respectively in the upper surface on middle top layer and lower surface, and knife is sealed using folding
5 edge sealing knives of the 1mm thickness on mould carry out edge sealing；
4th step：After cutting knife height is set, the two-component after edge sealing is inhaled into acoustical cotton and carries out cutting knife using cutting knife
PROCESS FOR TREATMENT, obtain complete acoustical cotton.
Beneficial effects of the present invention are：Rational raw material selection, rational raw material in two-component acoustical cotton of the present invention
Proportioning, obtained two-component acoustical cotton light weight, sound-absorbing effect and performance are good, can be ornamental strong, easy to process, improve and add
The operating efficiency of work, using green material, pollution is reduced, improves environmental-protection function, be easy to the recycling of acoustical cotton, cater to
Market needs, optimize technological design and production.
Brief description of the drawings
Fig. 1 is two-component acoustical cotton structural representation of the present invention.
Fig. 2 is two-component acoustical cotton endothecium structure schematic diagram of the present invention.
In figure：1st, extexine；2nd, middle top layer；3rd, sandwich layer；4th, V-type connects hole；5th, tree-shaped even hole；7th, bi-component acoustical cotton；8、
Sealing margin；9th, cotton core；10th, through hole；11st, semicircle groove；12nd, curved slot.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment 1
Refer to shown in Fig. 1-2, the present invention provides a kind of technical scheme：A kind of two-component acoustical cotton, the two-component are inhaled
Sound cotton 7 includes cotton core 9, sealing margin 8, through hole 10, semicircle groove 11 and curved slot 12, and the cotton core 9 includes extexine
1st, middle top layer 2, sandwich layer 3, V-type connect hole 4 and tree-shaped company hole 5, and the central main part of the two-component acoustical cotton 7 is designed as cotton core
9, the periphery design of the cotton core 9 is sealing margin 8, and the lower right corner of the cotton core 9 is provided through hole 10, the through hole 10
Periphery be provided with sealing margin 8, the lower left corner of the bi-component acoustical cotton 7 is designed with curved slot 12, and the bi-component is inhaled
The right side middle and lower part marginal position of sound cotton 7 is designed with semicircle groove 11.
Further, the arranged stacked of the cotton core 9 is designed as extexine 1, middle top layer 2, sandwich layer 3, middle top layer 2 and appearance
The stacking from top to bottom successively of layer 1.
Further, the extexine 1 is designed as nonwoven layer, and the thickness of nonwoven layer is designed as 1~2mm；In described
Top layer 2 is designed as poly charcoal acid ester fibrous layer, and the thickness of poly charcoal acid ester fibrous layer is designed as 3~5mm, and fibre diameter is designed as 15~
45um。
Further, the sandwich layer 3 is designed as mine asbestos fibre layer, and the thickness of mine asbestos fibre layer is designed as 3~
5mm, fibre diameter are designed as 15~45um.
Further, the middle top layer 2 is internally provided with V-type and connects hole 4, and the diameter design that V-type connects hole 4 is 2~10um, single
5~8 V-types are provided with the middle top layer 2 of block and connect hole 4.
Further, the sandwich layer 3 is internally provided with tree-shaped even hole 5, and the diameter design in tree-shaped even hole 5 is 2~10um, tree
Shape connects hole 5 and is interconnected.
Further, the width design of the sealing margin 8 is 5mm, and thickness is designed as 1~3mm.
Further, the preparation method of the two-component acoustical cotton 7 is as follows：
The first step：Asbestos deposit particle is put into spraying fusing machine and heated and spinneret, prepares a diameter of 15~45um's
Mine asbestos fibre, mine asbestos fibre is built into the sandwich layer 3 containing tree-shaped even hole 5；
Second step：Polycarbonate pellets are put into spraying fusing machine and heated and spinneret, prepare a diameter of 15~45um
Polycarbonate, poly charcoal acid ester fiber is built to the middle top layer 2 for connecting 4 holes containing V-type, and middle top layer is stacked on sandwich layer 3
Two end faces up and down；
3rd step：The non-woven fabrics of extexine 1 is bonded with respectively in the upper surface on middle top layer 2 and lower surface, is sealed using folding
5 edge sealing knives of the 1mm thickness on cutting die carry out edge sealing；
4th step：After cutting knife height is set, the two-component after edge sealing is inhaled into acoustical cotton and carries out cutting knife using cutting knife
PROCESS FOR TREATMENT, obtain complete two-component acoustical cotton.
Embodiment 2
A kind of two-component acoustical cotton, the present embodiment and the difference of embodiment 1 are that middle top layer 2 is uniform using string
Lay compressing be made.
Straw or blade obtain the string of white, string and makrolon by draining and drying
Fiber has same excellent sound absorption function.
Embodiment 3
A kind of two-component acoustical cotton, the present embodiment and the difference of embodiment 1 are that sandwich layer 3 is uniformly spread using string
If compressing be made.
Straw or blade obtain the string of white, string and mine asbestos by draining and drying
Fiber has same excellent sound absorption function.
Embodiment 4
A kind of two-component acoustical cotton, the present embodiment and the difference of embodiment 1 are that middle top layer 2 uses polylactate fibers
It is mixed to prepare with poly charcoal acid ester fiber.
Polylactate fibers and poly charcoal acid ester fiber have same excellent sound-absorbing with poly charcoal acid ester fiber or string
Function.
In the present invention, rational raw material selection, rational raw material ratio are made in two-component acoustical cotton of the present invention
The two-component acoustical cotton light weight obtained, sound-absorbing effect and performance are good, can be ornamental strong, easy to process, improve the work of processing
Efficiency, using green material, pollution is reduced, improves environmental-protection function, be easy to the recycling of acoustical cotton, having catered to market needs
Will, optimize technological design and production.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
- A kind of 1. two-component acoustical cotton, it is characterised in that：The two-component acoustical cotton (7) include cotton core (9), sealing margin (8), Through hole (10), semicircle groove (11) and curved slot (12), the cotton core (9) include extexine (1), middle top layer (2), sandwich layer (3), V-type connects hole (4) and tree-shaped company hole (5), and the central main part of the two-component acoustical cotton (7) is designed as cotton core (9), institute The periphery design for stating cotton core (9) is sealing margin (8), and the lower right corner of the cotton core (9) is provided through hole (10), described to run through The periphery in hole (10) is provided with sealing margin (8), and the lower left corner of the bi-component acoustical cotton (7) is designed with curved slot (12), The right side middle and lower part marginal position of the bi-component acoustical cotton (7) is designed with semicircle groove (11).
- A kind of 2. two-component acoustical cotton according to claim 1, it is characterised in that：The arranged stacked of the cotton core (9) is set It is calculated as the stacking from top to bottom successively of extexine (1), middle top layer (2), sandwich layer (3), middle top layer (2) and extexine (1).
- A kind of 3. two-component acoustical cotton according to claim 1, it is characterised in that：The extexine (1) is designed as nonwoven Layer of cloth, the thickness of nonwoven layer are designed as 1~2mm；The middle top layer (2) is designed as poly charcoal acid ester fibrous layer, and poly charcoal acid ester is fine The thickness of dimension layer is designed as 3~5mm, and fibre diameter is designed as 15~45um.
- A kind of 4. two-component acoustical cotton according to claim 1, it is characterised in that：The sandwich layer (3) is designed as mine stone Cotton fiber layer, the thickness of mine asbestos fibre layer are designed as 3~5mm, and fibre diameter is designed as 15~45um.
- A kind of 5. two-component acoustical cotton according to claim 1, it is characterised in that：The middle top layer (2) is internally provided with V Type connects hole (4), and the diameter design that V-type connects hole (4) is 2~10um, and being provided with 5~8 V-types in the middle top layer (2) of monolithic connects hole (4)。
- A kind of 6. two-component acoustical cotton according to claim 1, it is characterised in that：The sandwich layer (3) is internally provided with tree Shape connects hole (5), and the diameter design of tree-shaped even hole (5) is 2~10um, and tree-shaped even hole (5) are interconnected.
- A kind of 7. two-component acoustical cotton according to claim 1, it is characterised in that：The width of the sealing margin (8) is set 5mm is calculated as, thickness is designed as 1~3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648431.2A CN107379653A (en) | 2017-08-01 | 2017-08-01 | A kind of two-component acoustical cotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648431.2A CN107379653A (en) | 2017-08-01 | 2017-08-01 | A kind of two-component acoustical cotton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107379653A true CN107379653A (en) | 2017-11-24 |
Family
ID=60343406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710648431.2A Pending CN107379653A (en) | 2017-08-01 | 2017-08-01 | A kind of two-component acoustical cotton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107379653A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058284A (en) * | 2021-12-24 | 2022-02-18 | 湖北天运消音防振新材料有限公司 | PVC flame-retardant bi-component soundproof cotton and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455762A (en) * | 2000-07-13 | 2003-11-12 | 圣戈班伊索福公司 | Heat/sound insulation product based on mineral wool |
| JP2012127598A (en) * | 2010-12-16 | 2012-07-05 | Evuc Kk | Sound absorbing duct |
| CN102695602A (en) * | 2009-10-16 | 2012-09-26 | 欧拓管理公司 | Honeycomb sandwich construction for the automotive industry |
| CN105856704A (en) * | 2016-04-06 | 2016-08-17 | 广西德福特科技有限公司 | Sound-absorbing insulation cotton and preparation method thereof and preparation method of sound-absorbing insulation mat |
| CN205800988U (en) * | 2016-07-20 | 2016-12-14 | 亿得宝科技发展有限公司 | A kind of wheel cover absorbing sound and lowering noise cotton plate |
| CN205984270U (en) * | 2016-08-13 | 2017-02-22 | 江阴恒和无纺布制品有限公司 | Sound cotton is inhaled to two ingredients |
| CN206086578U (en) * | 2016-09-30 | 2017-04-12 | 长春超维科技产业有限责任公司 | Outer soundproof and heat resistant pad of vehicle chassis passageway panel beating |
| CN207241030U (en) * | 2017-08-01 | 2018-04-17 | 湖北天运消音防振新材料有限公司 | A kind of two-component acoustical cotton |
-
2017
- 2017-08-01 CN CN201710648431.2A patent/CN107379653A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455762A (en) * | 2000-07-13 | 2003-11-12 | 圣戈班伊索福公司 | Heat/sound insulation product based on mineral wool |
| CN102695602A (en) * | 2009-10-16 | 2012-09-26 | 欧拓管理公司 | Honeycomb sandwich construction for the automotive industry |
| JP2012127598A (en) * | 2010-12-16 | 2012-07-05 | Evuc Kk | Sound absorbing duct |
| CN105856704A (en) * | 2016-04-06 | 2016-08-17 | 广西德福特科技有限公司 | Sound-absorbing insulation cotton and preparation method thereof and preparation method of sound-absorbing insulation mat |
| CN205800988U (en) * | 2016-07-20 | 2016-12-14 | 亿得宝科技发展有限公司 | A kind of wheel cover absorbing sound and lowering noise cotton plate |
| CN205984270U (en) * | 2016-08-13 | 2017-02-22 | 江阴恒和无纺布制品有限公司 | Sound cotton is inhaled to two ingredients |
| CN206086578U (en) * | 2016-09-30 | 2017-04-12 | 长春超维科技产业有限责任公司 | Outer soundproof and heat resistant pad of vehicle chassis passageway panel beating |
| CN207241030U (en) * | 2017-08-01 | 2018-04-17 | 湖北天运消音防振新材料有限公司 | A kind of two-component acoustical cotton |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058284A (en) * | 2021-12-24 | 2022-02-18 | 湖北天运消音防振新材料有限公司 | PVC flame-retardant bi-component soundproof cotton and preparation method thereof |
| CN114058284B (en) * | 2021-12-24 | 2023-09-08 | 湖北天运消音防振新材料有限公司 | PVC flame-retardant bi-component soundproof cotton and preparation method thereof |
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Application publication date: 20171124 |