CN207028414U - Fire-retardant acoustical cotton - Google Patents
Fire-retardant acoustical cotton Download PDFInfo
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- CN207028414U CN207028414U CN201721045752.5U CN201721045752U CN207028414U CN 207028414 U CN207028414 U CN 207028414U CN 201721045752 U CN201721045752 U CN 201721045752U CN 207028414 U CN207028414 U CN 207028414U
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- acoustical cotton
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Abstract
The utility model discloses a kind of fire-retardant acoustical cotton, including top coat, intermediate layer and the back layer set gradually, flame retardant polyurethane foaming layer is respectively arranged between intermediate layer and top coat, between intermediate layer and back layer, top coat and back layer are polypropylene spun-bonded non-woven fabrics, and intermediate layer is polypropylene melt blown non-woven fabric.The fire-retardant acoustical cotton of the utility model takes full advantage of the characteristics of meltblown fibers fineness is small, specific surface area is big, and polyurethane foaming layer has small vestibule design feature, the fire-retardant acoustical cotton being combined not only has excellent sound absorption qualities, and chance fire is nonflammable, has preferable fire resistance.
Description
Technical field
It the utility model is related to sound-absorbing material technical field, and in particular to a kind of fire-retardant acoustical cotton.
Background technology
As the improvement of people's living standards, car ownership increases year by year.End in by the end of June, 2016, national motor vehicle
Recoverable amount up to 2.85 hundred million, wherein 1.84 hundred million, automobile.It is reported that a normal domestic use car consumes inner decoration material about
For 20~40kg, wherein fibrous material accounts for the half of interior material, i.e. 10~20kg, it can thus be appreciated that the total amount of automotive trim is reachable
To 184,000,000 tons.In automotive interior material, the use of sound-absorbing material has accounted for 20-30%.Automobile is brought just to people's trip
While sharp, also generate much due to heavy accident caused by burning and sharp impacts.It can all report out many automobiles every year
Because the reasons such as electrical short-circuit, engine failure, traffic accident cause fire.Because vapour environment inside car is narrow and small, if automotive trim
The strength of materials is relatively low and does not have fire resistance, once occur burning and collision, be unfavorable for personnel escape, easily cause personnel and
The heavy loss of property.Therefore, automotive trim requires higher anti-flammability with fibrous material.
The content of the invention
It is more preferable and with good flame-retardance energy that the technical problems to be solved in the utility model is to provide a kind of sound absorption qualities
Fire-retardant acoustical cotton.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：
Design a kind of fire-retardant acoustical cotton, including top coat, intermediate layer and the back layer set gradually, the intermediate layer with
Between top coat, flame retardant polyurethane foaming layer is respectively arranged between intermediate layer and back layer, the top coat and back layer are equal
For polypropylene spun-bonded non-woven fabrics, the intermediate layer is polypropylene melt blown non-woven fabric.
Preferably, the surface density of the polypropylene spun-bonded non-woven fabrics is 20-80g/m2。
Preferably, the surface density of the polypropylene melt blown non-woven fabric is 100-300g/m2。
Preferably, it is evenly distributed with phosphorus flame retardant in the polypropylene spun-bonded non-woven fabrics and polypropylene melt blown non-woven fabric
Particle.
Preferably, the thickness of the flame retardant polyurethane foaming layer is 0.1-1mm, 10 μm of foaming aperture average out to.
Preferably, it is connected to one by bonding between the flame retardant polyurethane foaming layer and top coat, intermediate layer, back layer
Rise.
The beneficial effects of the utility model are：
1. the fire-retardant acoustical cotton of the utility model is non-woven fabric compounded by flame retardant polyurethane foaming layer and polypropylene melt-blown, can be abundant
Using the characteristics of loose structure and meltblown fibers fineness of foaming layer are small, specific area is big, build to the multiple suction of sound transmission energy
Structure is received, lifts the overall sound-absorbing effect of acoustical cotton.
2. in polypropylene spun-bonded non-woven fabrics and polypropylene melt blown non-woven fabric set phosphorus flame retardant particle, then with polyurethane
Flame-retardant expanded layer is compound, can be obviously improved the fire resistance of acoustical cotton, be more applicable for auto industry.
3. the fire-retardant acoustical cotton of the utility model takes full advantage of the spy that meltblown fibers fineness is small, specific surface area is big
Point, and polyurethane foaming layer have small vestibule design feature, and the fire-retardant acoustical cotton being combined not only has excellent
Sound absorption qualities, and chance fire is nonflammable, has preferable fire resistance.
Brief description of the drawings
Fig. 1 is the structural representation of the fire-retardant acoustical cotton of the utility model；
Fig. 2 is the schematic cross-section of polyurethane flame-proof foaming layer；
In figure marked as：1 is top coat, and 2,4 be flame retardant polyurethane foaming layer, and 3 be intermediate layer, and 5 be back layer, and 6 be hair
Abscess.
Embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings and examples, but the following example simply uses
To describe embodiment of the present utility model in detail, the scope of the utility model is not limited in any way.
Embodiment 1：A kind of fire-retardant acoustical cotton, referring to Fig. 1, Fig. 2, including the top coat 1, fire-retardant from top to bottom set gradually
Polyurethane foaming layer 2, intermediate layer 3, flame retardant polyurethane foaming layer 4 and back layer 5, layers of material bonding link together.Wherein,
The thickness of flame retardant polyurethane foaming layer is 0.2mm, 10 μm of foaming aperture average out to.Top coat 1 and back layer 5 are polypropylene spun
Bonded non-woven fabrics, the surface density of the polypropylene spun-bonded non-woven fabrics is 20g/m2.Intermediate layer 3 is polypropylene melt blown non-woven fabric, and this poly- third
The surface density of alkene melt spraying non-woven fabrics is 100g/m2.It is uniformly distributed in polypropylene spun-bonded non-woven fabrics and polypropylene melt blown non-woven fabric
There is phosphorus flame retardant particle.
Embodiment 2：A kind of fire-retardant acoustical cotton, is with the difference of embodiment 1, the thickness of flame retardant polyurethane foaming layer
For 0.5mm；The surface density of polypropylene spun-bonded non-woven fabrics is 50g/m2, the surface density of polypropylene melt blown non-woven fabric is 200g/m2。
Embodiment 3：A kind of fire-retardant acoustical cotton, is with the difference of embodiment 1, the thickness of flame retardant polyurethane foaming layer
For 1mm；The surface density of polypropylene spun-bonded non-woven fabrics is 80g/m2, the surface density of polypropylene melt blown non-woven fabric is 300g/m2。
The involved raw material of industry is commercially available regular industrial raw material unless otherwise instructed in the embodiment above.
Embodiment of the present utility model is elaborated above in conjunction with drawings and examples, but the utility model
Above-mentioned embodiment is not limited to, in those of ordinary skill in the art's possessed knowledge, this can also not departed from
Changed or changed on the premise of utility model objective.
Claims (6)
1. a kind of fire-retardant acoustical cotton, it is characterised in that including top coat, intermediate layer and the back layer set gradually, in described
Between interbed and top coat, flame retardant polyurethane foaming layer, the top coat and the back of the body are respectively arranged between intermediate layer and back layer
Surface layer is polypropylene spun-bonded non-woven fabrics, and the intermediate layer is polypropylene melt blown non-woven fabric.
2. fire-retardant acoustical cotton according to claim 1, it is characterised in that the surface density of the polypropylene spun-bonded non-woven fabrics is
20-80g/m2。
3. fire-retardant acoustical cotton according to claim 1, it is characterised in that the surface density of the polypropylene melt blown non-woven fabric is
100-300g/m2。
4. fire-retardant acoustical cotton according to claim 1, it is characterised in that in the polypropylene spun-bonded non-woven fabrics and polypropylene
Phosphorus flame retardant particle is evenly distributed with melt spraying non-woven fabrics.
5. fire-retardant acoustical cotton according to claim 1, it is characterised in that the thickness of the flame retardant polyurethane foaming layer is
0.1-1mm, 10 μm of foaming aperture average out to.
6. fire-retardant acoustical cotton according to claim 1, it is characterised in that the flame retardant polyurethane foaming layer and top coat,
Linked together between intermediate layer, back layer by bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721045752.5U CN207028414U (en) | 2017-08-10 | 2017-08-10 | Fire-retardant acoustical cotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721045752.5U CN207028414U (en) | 2017-08-10 | 2017-08-10 | Fire-retardant acoustical cotton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207028414U true CN207028414U (en) | 2018-02-23 |
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ID=61487896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721045752.5U Active CN207028414U (en) | 2017-08-10 | 2017-08-10 | Fire-retardant acoustical cotton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207028414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042563A (en) * | 2019-04-04 | 2019-07-23 | 广州诺森新材料科技有限公司 | A kind of fire-retardant acoustical cotton and preparation method thereof |
-
2017
- 2017-08-10 CN CN201721045752.5U patent/CN207028414U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042563A (en) * | 2019-04-04 | 2019-07-23 | 广州诺森新材料科技有限公司 | A kind of fire-retardant acoustical cotton and preparation method thereof |
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