CN217091835U - High flame retardant non-woven fabric - Google Patents
High flame retardant non-woven fabric Download PDFInfo
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- CN217091835U CN217091835U CN202220297117.0U CN202220297117U CN217091835U CN 217091835 U CN217091835 U CN 217091835U CN 202220297117 U CN202220297117 U CN 202220297117U CN 217091835 U CN217091835 U CN 217091835U
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Abstract
The utility model discloses a high flame retardant non-woven fabrics, including first non-woven fabrics section, second non-woven fabrics section and fire-retardant cloth section, first non-woven fabrics section is compound non-woven fabrics section and includes fire-retardant non-woven fabrics layer and non-fire-retardant non-woven fabrics layer, between the non-fire-retardant non-woven fabrics layer was located upper and lower two-layer fire-retardant non-woven fabrics layer, a plurality of sections set gradually around first non-woven fabrics section and the second non-woven fabrics section, fire-retardant cloth section is located between adjacent first non-woven fabrics section and the second non-woven fabrics section, can utilize flame directly to burn the second non-woven fabrics section absolutely when the conflagration takes place to make the non-woven fabrics disconnection, utilize fire-retardant cloth section to form the intensity of a fire isolation of certain degree again, thereby effectively avoid the intensity of a fire to continue to stretch along the non-woven fabrics, form flame retardant efficiency.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of non-woven fabrics, especially a technical field of high flame retardant non-woven fabrics.
[ background of the invention ]
Non-woven fabric is a new type of fiber product with soft, air-permeable and plane structure, which is made up by using high polymer slices, short fibers or filaments through consolidation. At present, the raw materials of common non-woven fabrics in the market are usually polypropylene and the like which are hydrocarbon materials, belong to flammable materials, and cannot prevent flame combustion. Therefore, it is highly desirable to prepare a non-woven fabric with good flame retardancy to meet the requirement of use in a scene with high fire-proof requirement.
[ Utility model ] content
The utility model aims at solving the problem among the prior art, provide a high flame retardant non-woven fabrics, can utilize flame directly to burn the second non-woven fabrics section absolutely when the conflagration takes place to make the non-woven fabrics disconnection, utilize the intensity of a fire that the flame retardant fabric section formed the certain degree again to keep apart, thereby effectively avoid the intensity of a fire to continue to stretch along the non-woven fabrics, form flame retardant efficiency.
In order to realize the above purpose, the utility model provides a high fire-retardant non-woven fabrics, including first non-woven fabrics section, second non-woven fabrics section and fire-retardant cloth section, first non-woven fabrics section is compound non-woven fabrics section and includes fire-retardant non-woven fabrics layer and non-fire-retardant non-woven fabrics layer, between the non-fire-retardant non-woven fabrics layer was located upper and lower two-layer fire-retardant non-woven fabrics layer, a plurality of sections set gradually around first non-woven fabrics section and the second non-woven fabrics section, fire-retardant cloth section is located between adjacent first non-woven fabrics section and the second non-woven fabrics section.
Preferably, the non-flame-retardant non-woven fabric layer and the second non-woven fabric section are both polypropylene non-woven fabrics, and the flame-retardant non-woven fabric layer is obtained by performing flame retardant post-finishing on the polypropylene non-woven fabrics.
Preferably, the flame-retardant fabric section is aramid fabric or acrylic fabric.
Preferably, the second non-woven fabric section is provided with a plurality of through holes.
Preferably, the through holes are all located in the middle of the second non-woven fabric section and are sequentially arranged in parallel along the short edge of the second non-woven fabric section.
Preferably, the orifice of the through hole is provided with a reinforcing ring for avoiding the deformation of the hole body.
Preferably, the reinforcing ring is a fiber entanglement formed by interlacing the fiber bundles at the orifice of the through-hole by a needle punching process or a water punching process.
Preferably, the reinforcing ring is a hem formed by sewing a needle thread along the orifice of the through hole.
The utility model has the advantages that: the utility model discloses a set up non-fire-retardant non-woven fabrics layer and the fire-retardant non-woven fabrics layer that lies in non-fire-retardant non-woven fabrics layer upper and lower both sides respectively constitute first non-woven fabrics section, make first non-woven fabrics section and second non-woven fabrics section set up the non-woven fabrics main part in turn, set up fire-retardant cloth section again between first non-woven fabrics section and second non-woven fabrics section, can be when the conflagration takes place, utilize flame directly to burn second non-woven fabrics section off, thereby make the non-woven fabrics break off, utilize fire-retardant cloth section to form the intensity of a fire to keep apart to a certain extent again, thereby effectively avoid the intensity of a fire to continue to spread along the non-woven fabrics, form flame retardant efficiency; the middle part of the second non-woven fabric section is provided with a plurality of through holes, and the through holes are sequentially arranged in parallel along the short edge of the second non-woven fabric section, so that the second non-woven fabric section is promoted to be burnt and broken as fast as possible; the reinforcing ring for avoiding the deformation of the hole body is arranged at the hole opening of the through hole, so that the second non-woven fabric section is prevented from deforming in advance during normal use; by adopting the composite fabric to prepare the first non-woven fabric section, the using amount of the flame retardant is effectively reduced, and the production cost is reduced.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a top view of a high flame-retardant nonwoven fabric according to the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
In the figure: 1-a first non-woven fabric section, 11-a flame-retardant non-woven fabric layer, 12-a non-flame-retardant non-woven fabric layer, 2-a second non-woven fabric section, 21-a through hole, 22-a reinforcing ring and 3-a flame-retardant fabric section.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the utility model relates to a high flame retardant non-woven fabrics, including first non-woven fabrics section 1, second non-woven fabrics section 2 and fire-retardant cloth section 3, first non-woven fabrics section 1 is compound non-woven fabrics section and includes fire-retardant non-woven fabrics layer 11 and non-fire-retardant non-woven fabrics layer 12, non-fire-retardant non-woven fabrics layer 12 is located between upper and lower two-layer fire-retardant non-woven fabrics layer 11, a plurality of sections set gradually around first non-woven fabrics section 1 and the second non-woven fabrics section 2, fire-retardant cloth section 3 is located between adjacent first non-woven fabrics section 1 and the second non-woven fabrics section 2.
The non-flame-retardant non-woven fabric layer 12 and the second non-woven fabric section 2 are both polypropylene non-woven fabrics, and the flame-retardant non-woven fabric layer 11 is obtained by performing post-treatment on the polypropylene non-woven fabrics through a flame retardant.
The flame-retardant cloth section 3 is made of aramid fabric or acrylic fabric.
The second non-woven fabric section 2 is provided with a plurality of through holes 21.
The through holes 21 are all positioned in the middle of the second non-woven fabric section 2 and are sequentially arranged in parallel along the short side of the second non-woven fabric section 2.
The orifice of the through hole 21 is provided with a reinforcing ring 22 for avoiding the deformation of the hole body.
The reinforcing rings 22 are fiber entangled portions formed by entangling the fiber bundles at the openings of the through holes 21 by a needle punching process or a water punching process.
The reinforcing ring 22 is a hem formed by sewing a needle and a thread along the opening of the through hole 21.
The utility model discloses a set up non-fire-retardant non-woven fabrics layer and the fire-retardant non-woven fabrics layer that lies in non-fire-retardant non-woven fabrics layer upper and lower both sides respectively constitute first non-woven fabrics section, make first non-woven fabrics section and second non-woven fabrics section set up the non-woven fabrics main part in turn, set up fire-retardant cloth section again between first non-woven fabrics section and second non-woven fabrics section, can be when the conflagration takes place, utilize flame directly to burn second non-woven fabrics section off, thereby make the non-woven fabrics break off, utilize fire-retardant cloth section to form the intensity of a fire to keep apart to a certain extent again, thereby effectively avoid the intensity of a fire to continue to spread along the non-woven fabrics, form flame retardant efficiency; the middle part of the second non-woven fabric section is provided with a plurality of through holes, and the through holes are sequentially arranged in parallel along the short edge of the second non-woven fabric section, so that the second non-woven fabric section is promoted to be burnt and broken as fast as possible; the reinforcing ring for avoiding the deformation of the hole body is arranged at the hole opening of the through hole, so that the second non-woven fabric section is prevented from deforming in advance during normal use; by adopting the composite fabric to prepare the first non-woven fabric section, the using amount of the flame retardant is effectively reduced, and the production cost is reduced.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (8)
1. A high flame retardant non-woven fabric is characterized in that: including first non-woven fabrics section (1), second non-woven fabrics section (2) and fire-retardant cloth section (3), first non-woven fabrics section (1) is compound non-woven fabrics section and includes fire-retardant non-woven fabrics layer (11) and non-fire-retardant non-woven fabrics layer (12), non-fire-retardant non-woven fabrics layer (12) are located between upper and lower two-layer fire-retardant non-woven fabrics layer (11), a plurality of sections first non-woven fabrics section (1) and second non-woven fabrics section (2) set gradually from beginning to end, fire-retardant cloth section (3) are located between adjacent first non-woven fabrics section (1) and second non-woven fabrics section (2).
2. The high flame-retardant nonwoven fabric according to claim 1, wherein: the non-flame-retardant non-woven fabric layer (12) and the second non-woven fabric section (2) are both polypropylene non-woven fabrics, and the flame-retardant non-woven fabric layer (11) is obtained by performing post-treatment on the polypropylene non-woven fabrics through a flame retardant.
3. The high flame-retardant nonwoven fabric according to claim 1, wherein: the flame-retardant cloth section (3) is made of aramid fabric or acrylic fabric.
4. The high flame-retardant nonwoven fabric according to any one of claims 1 to 3, wherein: the second non-woven fabric section (2) is provided with a plurality of through holes (21).
5. The high flame-retardant nonwoven fabric according to claim 4, wherein: the through holes (21) are all positioned in the middle of the second non-woven fabric section (2) and are sequentially arranged in parallel along the short side of the second non-woven fabric section (2).
6. The high flame-retardant nonwoven fabric according to claim 5, wherein: and a reinforcing ring (22) for avoiding the deformation of the hole body is arranged at the orifice of the through hole (21).
7. The high flame-retardant nonwoven fabric according to claim 6, wherein: the reinforcing ring (22) is a fiber entanglement formed by interlacing fiber bundles at the orifice of the through-hole (21) by a needle punching process or a water punching process.
8. The high flame-retardant nonwoven fabric according to claim 6, wherein: the reinforcing ring (22) is a covered edge formed by sewing needle threads along the orifice of the through hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220297117.0U CN217091835U (en) | 2022-02-11 | 2022-02-11 | High flame retardant non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220297117.0U CN217091835U (en) | 2022-02-11 | 2022-02-11 | High flame retardant non-woven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217091835U true CN217091835U (en) | 2022-08-02 |
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ID=82599656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220297117.0U Active CN217091835U (en) | 2022-02-11 | 2022-02-11 | High flame retardant non-woven fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217091835U (en) |
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2022
- 2022-02-11 CN CN202220297117.0U patent/CN217091835U/en active Active
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