CN216782918U - Carbon fiber flame-retardant non-woven cotton - Google Patents
Carbon fiber flame-retardant non-woven cotton Download PDFInfo
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- CN216782918U CN216782918U CN202122737714.9U CN202122737714U CN216782918U CN 216782918 U CN216782918 U CN 216782918U CN 202122737714 U CN202122737714 U CN 202122737714U CN 216782918 U CN216782918 U CN 216782918U
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 206
- 229920000742 Cotton Polymers 0.000 title claims abstract description 43
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims description 176
- 229920000049 Carbon (fiber) Polymers 0.000 title claims description 22
- 239000004917 carbon fiber Substances 0.000 title claims description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims description 22
- 239000000835 fiber Substances 0.000 claims abstract description 188
- 239000002131 composite material Substances 0.000 claims abstract description 26
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 131
- 229920000728 polyester Polymers 0.000 claims description 81
- 239000002344 surface layer Substances 0.000 claims description 28
- 238000002844 melting Methods 0.000 claims description 24
- 239000004745 nonwoven fabric Substances 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 5
- 229920004934 Dacron® Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009960 carding Methods 0.000 description 13
- 238000005096 rolling process Methods 0.000 description 12
- 238000004513 sizing Methods 0.000 description 12
- 238000002156 mixing Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The application relates to a fire-retardant non-woven cotton of carbon fibre, its field that relates to non-woven products, it includes the non-woven cotton body, the non-woven cotton body is including compound fire-retardant top layer and elasticity composite bed in proper order, fire-retardant top layer is made by polyacrylonitrile preoxidation fibre flocculus. The application has the effect of improving the flame retardance of the non-woven cotton.
Description
Technical Field
The application relates to the field of non-woven products, in particular to carbon fiber flame-retardant non-woven cotton.
Background
Nonwoven cotton is a nonwoven product formed by rubbing, bonding or cohesion of fibers, which are generally polyester fibers, and then oriented or randomly arranged.
The non-woven cotton is generally formed by sequentially blending, carding, lapping and hot pressing polyester fibers.
In view of the above-mentioned related art, the inventors have considered that although polyester fibers have excellent strength, the polyester fibers are melt-combustible fibers, and therefore, non-woven cotton using polyester fibers as a raw material has poor flame retardancy.
SUMMERY OF THE UTILITY MODEL
In order to improve the flame retardance of the non-woven cotton, the application provides carbon fiber flame-retardant non-woven cotton.
The application provides a fire-retardant non-woven cotton of carbon fibre adopts following technical scheme:
the utility model provides a fire-retardant non-woven cotton of carbon fibre, includes the non-woven cotton body, the non-woven cotton body is including compound fire-retardant top layer and elasticity composite bed in proper order, fire-retardant top layer is made by polyacrylonitrile preoxidation fibre flocculus.
By adopting the technical scheme, the flame-retardant surface layer is formed by processing the pre-oxidized fibers and the low-melting-point fibers, the low-melting-point fibers can achieve good cohesiveness after being heated, and the low-melting-point fibers can bond the pre-oxidized fibers in the flame-retardant surface layer on one hand, so that the overall stability of the flame-retardant surface layer is improved, and on the other hand, the flame-retardant surface layer containing the low-melting-point fibers can be hot-pressed with the elastic composite layer to form a non-woven cotton body with good stability; in addition, the pre-oxidized fiber is a raw material fiber which is obtained by taking polyacrylonitrile fiber as a raw material and carrying out high-temperature heat stabilization treatment and has high flame retardance, and the pre-oxidized fiber can endow a flame-retardant surface layer with excellent flame retardance; thereby improving the flame retardancy and stability of the present application in combination.
Optionally, the elastic composite layer comprises an upper flame-retardant polyester three-dimensional short fiber layer, and the upper flame-retardant polyester three-dimensional short fiber layer is compounded on the lower surface of the flame-retardant surface layer.
Through adopting above-mentioned technical scheme, the three-dimensional short fiber layer is washed to upper strata fire-retardant washing in this application is washed three-dimensional fiber processing by three-dimensional fire-retardant and is formed, and fire-retardant three-dimensional fibre of washing has good fire resistance, and fire-retardant three-dimensional fibre of washing itself is the spiral crimp form, so it can give this application good resilience and fire resistance.
Optionally, the non-woven cotton body further comprises a flame-retardant bottom layer, the flame-retardant bottom layer is compounded on one side, away from the flame-retardant surface layer, of the elastic composite layer, and the flame-retardant bottom layer is formed by processing carbon fiber-containing non-woven fabric.
Through adopting above-mentioned technical scheme, fire-retardant bottom has good resilience, fire resistance and cohesiveness, can synthesize the stability that improves the resilience, fire resistance and overall structure of this application after it is connected with the elastic composite layer.
Optionally, the non-woven cotton body further comprises a flame-retardant bottom layer, the flame-retardant bottom layer is compounded on one side, away from the flame-retardant surface layer, of the elastic composite layer, and the flame-retardant bottom layer is formed by processing polyacrylonitrile pre-oxidized fiber flocculus.
Through adopting above-mentioned technical scheme, through setting up the fire-retardant bottom that has good fire resistance to further improve the flame retardant efficiency of this application positive and negative.
Optionally, the elastic composite layer further comprises a lower flame-retardant polyester three-dimensional short fiber layer, and the lower flame-retardant polyester three-dimensional short fiber layer is compounded on one side, close to the flame-retardant bottom layer, of the upper flame-retardant polyester three-dimensional short fiber layer.
Through adopting above-mentioned technical scheme, through setting up the three-dimensional short fiber layer of lower floor fire-retardant washing that has good resilience and fire resistance to the elasticity and the fire resistance of this application are further improved.
Optionally, the elastic composite layer further comprises an elastic inner layer, the elastic inner layer is compounded on one opposite side of the upper flame-retardant three-dimensional short fiber layer and the lower flame-retardant three-dimensional short fiber layer, the elastic inner layer is composed of a plurality of flame-retardant strips, the flame-retardant strips are sequentially arranged along the length direction of the upper flame-retardant three-dimensional short fiber layer, and the flame-retardant strips are formed by processing carbon fiber-containing non-woven fabrics.
Through adopting above-mentioned technical scheme, through setting up the fire-retardant strip that has good fire-retardant and cohesiveness to can further improve the fire retardance of this application.
Optionally, the elastic composite layer further comprises an elastic lining, the elastic lining is compounded on the upper flame-retardant three-dimensional short fiber layer and the lower flame-retardant three-dimensional short fiber layer, the elastic lining is composed of a plurality of flame-retardant strips, the flame-retardant strips are arranged along the length direction of the upper flame-retardant three-dimensional short fiber layer in sequence, each flame-retardant strip comprises a pre-oxidized silk block, a low-melting short fiber block and a flame-retardant three-dimensional short fiber block, the pre-oxidized silk block is far away from the low-melting short fiber block, and the upper flame-retardant three-dimensional short fiber layer is close to one side of the lower flame-retardant three-dimensional short fiber layer.
Through adopting above-mentioned technical scheme, fire-retardant strip is by the preoxidized yarn piece that has good fire resistance, the low melting short fiber piece that has good cohesiveness and the three-dimensional short fiber piece of fire-retardant dacron that has good resilience in this application for can bond preoxidized yarn piece and the three-dimensional short fiber piece of fire-retardant dacron after the low melting short fiber piece melting, thereby can improve the fire resistance and the stability of this application synthetically.
Optionally, the elastic composite layer further comprises an elastic inner layer, the elastic inner layer is compounded on one side of the upper flame-retardant polyester three-dimensional short fiber layer and the lower flame-retardant polyester three-dimensional short fiber layer in opposite directions, the elastic inner layer is composed of a plurality of pre-oxidized fiber blocks and flame-retardant polyester three-dimensional short fiber blocks, the pre-oxidized fiber blocks and the flame-retardant polyester three-dimensional short fiber blocks are arranged at intervals along the length direction of the upper flame-retardant polyester three-dimensional short fiber layer, and low-melting short fiber blocks are arranged between the adjacent pre-oxidized fiber blocks and the flame-retardant polyester three-dimensional short fiber blocks.
Through adopting above-mentioned technical scheme, through setting up the fire-retardant strip that has good fire-retardant and cohesiveness to can further improve the fire retardance of this application.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the flame-retardant surface layer is formed by processing pre-oxidized fibers with excellent flame retardance and low-melting-point fibers with excellent cohesiveness, so that the flame retardance and the overall stability of the flame-retardant surface layer are combined;
2. the flame retardancy of the present application is further improved by providing a flame retardant bottom layer having excellent flame retardancy.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1;
FIG. 2 is a schematic view of the entire structure of embodiment 2;
FIG. 3 is a schematic view of the entire structure of embodiment 3;
FIG. 4 is a schematic view of the entire structure of embodiment 4;
FIG. 5 is a schematic view of the entire structure of embodiment 5;
FIG. 6 is a schematic view of the entire structure of embodiment 6;
FIG. 7 is a schematic view of the entire structure of embodiment 7.
Reference numerals are as follows: 1. a non-woven cotton body; 2. a flame retardant surface layer; 3. an elastic composite layer; 31. the upper flame-retardant polyester three-dimensional short fiber layer; 32. the lower flame-retardant polyester three-dimensional short fiber layer; 33. an elastic inner layer; 4. a flame retardant bottom layer; 5. a flame retardant strip; 6. pre-oxidizing the silk blocks; 7. a low-melting short fiber block; 8. flame-retardant polyester three-dimensional short fiber blocks.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses carbon fiber flame-retardant non-woven cotton.
Example 1:
referring to fig. 1, the carbon fiber flame-retardant non-woven cotton comprises a non-woven cotton body 1, wherein the non-woven cotton body 1 comprises a flame-retardant surface layer 2 and an elastic composite layer 3, the elastic composite layer 3 is an upper flame-retardant polyester three-dimensional short fiber layer 31, and the upper flame-retardant polyester three-dimensional short fiber layer 31 is compounded on the lower surface of the flame-retardant surface layer 2 in a hot-pressing manner.
The flame-retardant surface layer 2 is made of polyacrylonitrile preoxidized fiber flocculus, the polyacrylonitrile preoxidized fiber flocculus is prepared by uniformly mixing preoxidized fiber and low-melting-point fiber in a mass ratio of 3:1, and then opening, carding, lapping, sizing and rolling, wherein the preoxidized fiber is selected from 350k preoxidized fiber with the fineness of 1.5D sold by Qindong carbon materials Co., Ltd, in Binzhou, and the low-melting-point fiber is selected from low-melting-point 4080 fiber with the specification of 4D 51mm sold by Yizhengheng polyester technology Co., Ltd. The upper flame-retardant polyester three-dimensional short fiber layer 31 is prepared by sequentially carrying out cotton mixing, opening, carding, lapping, sizing and rolling on flame-retardant polyester three-dimensional fibers, wherein the flame-retardant polyester three-dimensional fibers are selected from regenerated flame-retardant three-dimensional hollow polyester short fibers which are sold by Nantong Roylei chemical fiber Limited liability company and have the specification of 7D × 64mm and the product number of 0764 RFLAME. The density, the length and the width of the flame-retardant surface layer 2 and the flame-retardant three-dimensional short fiber layer 31 of the upper layer are all consistent, and the ratio of the thickness of the flame-retardant surface layer 2 to the thickness of the flame-retardant three-dimensional short fiber layer 31 of the upper layer in the total thickness of the non-woven cotton body 1 is 4: 1.
example 2:
referring to fig. 2, the difference between this embodiment and embodiment 1 is that the nonwoven cotton body 1 further includes a flame-retardant bottom layer 4, the flame-retardant bottom layer 4 is hot-pressed and compounded on the side of the upper flame-retardant polyester three-dimensional short fiber layer 31 far away from the flame-retardant surface layer 2, the flame-retardant bottom layer 4 is processed by a carbon fiber-containing nonwoven fabric, and the carbon fiber-containing nonwoven fabric is prepared by mixing, by mass, 3:1:1, the flame-retardant polyester three-dimensional fiber is prepared by sequentially opening, carding, lapping, sizing and rolling after uniformly mixing the pre-oxidized fiber, the low-melting-point fiber and the flame-retardant polyester three-dimensional fiber, wherein the flame-retardant polyester three-dimensional fiber is selected from regenerated flame-retardant three-dimensional hollow polyester staple fiber which is sold by Nantong Royle chemical fiber Limited responsibility company and has the specification of 7D 64mm and the product number of 0764 RFLAME. The density, the length and the width of the flame-retardant surface layer 2, the flame-retardant three-dimensional short fiber layer 31 of the upper layer and the flame-retardant bottom layer 4 are all the same, and the thickness of the flame-retardant surface layer 2, the flame-retardant three-dimensional short fiber layer 31 of the upper layer and the flame-retardant bottom layer 4 accounts for 4 of the total thickness of the non-woven cotton body 1: 1: 1.
example 3:
referring to fig. 3, this example is different from example 2 in that the flame-retardant bottom layer 4 is made of a polyacrylonitrile pre-oxidized fiber batt, which is prepared by mixing, by mass, 3:1 and low-melting-point fibers, and then the mixture is subjected to opening, carding, lapping, sizing and rolling in sequence, wherein the pre-oxidized fibers are selected from 350k pre-oxidized fibers with the fineness of 1.5D sold by Qindon carbon materials Co., Ltd, Binzhou city, and the low-melting-point fibers are selected from 4D 51mm low-melting-point 4080 fibers sold by Yizhengheng polyester technology Co., Ltd. The density, the length and the width of the flame-retardant surface layer 2, the upper flame-retardant polyester three-dimensional short fiber layer 31 and the flame-retardant bottom layer 4 are all consistent, and the thickness of the flame-retardant surface layer 2, the upper flame-retardant polyester three-dimensional short fiber layer 31 and the flame-retardant bottom layer 4 accounts for 3 of the total thickness of the non-woven cotton body 1: 1: 1.
example 4:
referring to fig. 4, the difference between this embodiment and embodiment 3 is that the elastic composite layer 3 further includes a lower flame-retardant three-dimensional short polyester fiber layer 32, the lower flame-retardant three-dimensional short polyester fiber layer 32 is hot-pressed and compounded on the opposite side of the flame-retardant bottom layer 4 and the upper flame-retardant three-dimensional short polyester fiber layer 31, the lower flame-retardant three-dimensional short polyester fiber layer 32 is prepared by sequentially performing cotton mixing, opening, carding, lapping, sizing and rolling on the flame-retardant three-dimensional polyester fiber, wherein the flame-retardant three-dimensional polyester fiber is selected from regenerated flame-retardant three-dimensional hollow polyester fibers sold by souttony rally chemical fiber llc and having a specification of 7D 64mm and a product number of 0764 RFLAME. The density, the length and the width of the flame-retardant surface layer 2, the upper flame-retardant polyester three-dimensional short fiber layer 31, the lower flame-retardant polyester three-dimensional short fiber layer 32 and the flame-retardant bottom layer 4 are all consistent, and the thickness of the flame-retardant surface layer 2, the upper flame-retardant polyester three-dimensional short fiber layer 31, the lower flame-retardant polyester three-dimensional short fiber layer 32 and the flame-retardant bottom layer 4 accounts for 4 of the total thickness of the nonwoven cotton body 1: 1: 1: 4.
example 5:
referring to fig. 5, the difference between this embodiment and embodiment 4 is that the elastic composite layer 3 further includes an elastic inner layer 33 thermally pressed and compounded on the opposite side of the upper flame-retardant polyester three-dimensional staple fiber layer 31 and the lower flame-retardant polyester three-dimensional staple fiber layer 32. The elastic inner layer 33 is composed of seven flame-retardant strips 5 which are sequentially arranged along the length direction of the upper flame-retardant polyester three-dimensional short fiber layer 31, each flame-retardant strip 5 is formed by processing carbon fiber-containing non-woven fabric, and the carbon fiber-containing non-woven fabric is prepared by mixing the following components in percentage by mass of 3:1: the flame-retardant polyester fiber composite material is prepared by uniformly mixing the pre-oxidized fiber, the low-melting-point fiber and the flame-retardant polyester three-dimensional fiber of 1, and then sequentially opening, carding, lapping, sizing, rolling and slitting.
Example 6:
referring to fig. 6, the difference between this embodiment and embodiment 5 is that each flame retardant strip 5 is composed of a pre-oxidized fiber block 6, a low-melting short fiber block 7 and a flame retardant polyester three-dimensional short fiber block 8 which are sequentially hot-pressed and compounded from top to bottom along the height direction of an upper flame retardant polyester three-dimensional short fiber layer 31, the pre-oxidized fiber block 6 is prepared by opening, carding, lapping, sizing, rolling and slitting pre-oxidized fibers, wherein the pre-oxidized fibers are selected from 350k pre-oxidized fibers with the fineness of 1.5D sold by the homogeneous carbon materials ltd; the low-melting short fiber block 7 is prepared by opening, carding, lapping, sizing, rolling and cutting low-melting short fibers, and the low-melting short fibers are selected from low-melting point 4080 fibers with the specification of 4D 51mm sold by Yizhengxiang polyester technology Limited; the flame-retardant polyester three-dimensional short fiber block 8 is prepared by opening, carding, lapping, sizing, rolling and slitting the flame-retardant polyester three-dimensional short fibers, wherein the flame-retardant polyester three-dimensional short fibers are selected from regenerated flame-retardant three-dimensional hollow polyester short fibers sold by Nantong Royle chemical fiber Limited liability company and having the specification of 7D x 64mm and the product number of 0764 RFLAME.
The lengths, widths and densities of the pre-oxidized fiber block 6, the low-melting short fiber block 7 and the flame-retardant polyester three-dimensional short fiber block 8 of each flame-retardant strip 5 are consistent, and the thickness ratio of the pre-oxidized fiber block 6, the low-melting short fiber block 7 and the flame-retardant polyester three-dimensional short fiber block 8 of each flame-retardant strip 5 is 3:1: 1.
Example 7:
referring to fig. 7, the difference between this embodiment and embodiment 5 lies in that the elastic inner layer 33 includes a plurality of blocks of oxidized silk blocks and two blocks of three-dimensional short fiber blocks 8 of flame-retardant polyester arranged at intervals along the length direction of the upper layer of three-dimensional short fiber layer 31 of flame-retardant polyester, and two adjacent blocks of pre-oxidized silk blocks 6 and three-dimensional short fiber blocks 8 of flame-retardant polyester are bonded by the low-melting short fiber block 7, and the pre-oxidized silk block 6 is prepared by opening, carding, lapping, sizing, rolling and slitting the pre-oxidized silk, wherein the pre-oxidized silk is selected from 350k pre-oxidized silk with a titer of 1.5D sold by zidong carbon materials ltd in shonzhou; the low-melting short fiber block 7 is prepared by opening, carding, lapping, sizing, rolling and cutting low-melting short fibers, and the low-melting short fibers are selected from low-melting point 4080 fibers with the specification of 4D 51mm sold by Yizhengxiang polyester technology Limited; the flame-retardant polyester three-dimensional short fiber block 8 is prepared by opening, carding, lapping, sizing, rolling and slitting flame-retardant polyester three-dimensional fibers, wherein the flame-retardant polyester three-dimensional fibers are selected from regenerated flame-retardant three-dimensional hollow polyester short fibers sold by Nantong Royle chemical fiber Limited liability company and having the specification of 7D x 64mm and the product number of 0764 RFLAME.
Referring to fig. 7, the lengths, thicknesses and densities of the pre-oxidized fiber block 6, the low-melting short fiber block 7 and the flame-retardant polyester three-dimensional short fiber block 8 are all consistent, and the length ratio of the sum of the lengths of all the flame-retardant pre-oxidized fiber blocks 6 to the sum of the lengths of all the low-melting short fiber blocks 7 to the sum of the lengths of all the flame-retardant polyester three-dimensional short fiber blocks 8 is 3:1: 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The carbon fiber flame-retardant non-woven cotton is characterized in that: the flame-retardant composite fiber nonwoven fabric comprises a nonwoven cotton body (1), wherein the nonwoven cotton body (1) comprises a flame-retardant surface layer (2) and an elastic composite layer (3) which are sequentially compounded, and the flame-retardant surface layer (2) is made of polyacrylonitrile pre-oxidized fiber flocculus.
2. The carbon fiber flame retardant nonwoven cotton of claim 1, wherein: the elastic composite layer (3) comprises an upper flame-retardant polyester three-dimensional short fiber layer (31), and the upper flame-retardant polyester three-dimensional short fiber layer (31) is compounded on the lower surface of the flame-retardant surface layer (2).
3. The carbon fiber flame retardant nonwoven cotton of claim 2, wherein: the non-woven cotton body (1) further comprises a flame-retardant bottom layer (4), the flame-retardant bottom layer (4) is compounded on one side, away from the flame-retardant surface layer (2), of the elastic composite layer (3), and the flame-retardant bottom layer (4) is formed by processing carbon fiber-containing non-woven fabric.
4. The carbon fiber flame retardant nonwoven cotton of claim 2, wherein: the non-woven cotton body (1) further comprises a flame-retardant bottom layer (4), the flame-retardant bottom layer (4) is compounded on the elastic composite layer (3) far away from one side of the flame-retardant surface layer (2), and the flame-retardant bottom layer (4) is formed by processing polyacrylonitrile pre-oxidized fiber flocculus.
5. The carbon fiber flame retardant nonwoven cotton as claimed in claim 3, wherein: the elastic composite layer (3) further comprises a lower flame-retardant polyester three-dimensional short fiber layer (32), and the lower flame-retardant polyester three-dimensional short fiber layer (32) is compounded on one side, close to the flame-retardant bottom layer (4), of the upper flame-retardant polyester three-dimensional short fiber layer (31).
6. The carbon fiber flame retardant nonwoven cotton of claim 5, wherein: the elastic composite layer (3) further comprises an elastic inner layer (33), the elastic inner layer (33) is compounded on one side, opposite to the upper flame-retardant three-dimensional short fiber layer (31) and the lower flame-retardant three-dimensional short fiber layer (32), of the upper flame-retardant three-dimensional short fiber layer, the elastic inner layer (33) is composed of a plurality of flame-retardant strips (5), the flame-retardant strips (5) are sequentially arranged along the length direction of the upper flame-retardant three-dimensional short fiber layer (31), and the flame-retardant strips (5) are formed by processing carbon fiber-containing non-woven fabrics.
7. The carbon fiber flame retardant nonwoven cotton of claim 5, wherein: elasticity composite bed (3) still include elasticity nexine (33), elasticity nexine (33) compound in the fire-retardant three-dimensional short fiber layer (31) of washing of upper strata and the fire-retardant three-dimensional short fiber layer (32) of washing of lower floor one side in opposite directions, elasticity nexine (33) comprises a plurality of fire-retardant strips (5), and a plurality of fire-retardant strip (5) are followed the fire-retardant three-dimensional short fiber layer (31) length direction that washes of upper strata sets gradually, each fire-retardant strip (5) all include compound three-dimensional short fiber piece (8) of pre-oxidized silk piece (6), low melting short fiber piece (7) and fire-retardant dacron in proper order, pre-oxidized silk piece (6) are kept away from low melting short fiber piece (7) compound in upper strata fire-retardant three-dimensional short fiber layer (31) of washing are close to the fire-retardant three-dimensional short fiber layer (32) one side of lower floor.
8. The carbon fiber flame retardant nonwoven cotton of claim 5, wherein: the elastic composite layer (3) further comprises an elastic inner layer (33), the elastic inner layer (33) is compounded on the upper flame-retardant polyester three-dimensional short fiber layer (31) and the lower flame-retardant polyester three-dimensional short fiber layer (32) at one side opposite to each other, the elastic inner layer (33) is composed of a plurality of pre-oxidized silk blocks (6) and flame-retardant polyester three-dimensional short fiber blocks (8), the pre-oxidized silk blocks (6) and the flame-retardant polyester three-dimensional short fiber blocks (8) are arranged at intervals in the length direction of the upper flame-retardant polyester three-dimensional short fiber layer (31), and the pre-oxidized silk blocks (6) and the flame-retardant polyester three-dimensional short fiber blocks (8) are adjacent to each other, and low-melting short fiber blocks (7) are arranged between the pre-oxidized silk blocks (6) and the flame-retardant polyester three-dimensional short fiber blocks (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122737714.9U CN216782918U (en) | 2021-11-09 | 2021-11-09 | Carbon fiber flame-retardant non-woven cotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122737714.9U CN216782918U (en) | 2021-11-09 | 2021-11-09 | Carbon fiber flame-retardant non-woven cotton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216782918U true CN216782918U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122737714.9U Expired - Fee Related CN216782918U (en) | 2021-11-09 | 2021-11-09 | Carbon fiber flame-retardant non-woven cotton |
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| CN (1) | CN216782918U (en) |
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2021
- 2021-11-09 CN CN202122737714.9U patent/CN216782918U/en not_active Expired - Fee Related
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