CN107043989A - A kind of active carbon fibre dimensional fabric with stereochemical structure - Google Patents
A kind of active carbon fibre dimensional fabric with stereochemical structure Download PDFInfo
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- CN107043989A CN107043989A CN201611252041.5A CN201611252041A CN107043989A CN 107043989 A CN107043989 A CN 107043989A CN 201611252041 A CN201611252041 A CN 201611252041A CN 107043989 A CN107043989 A CN 107043989A
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- active carbon
- fabric
- carbon fibre
- mesh
- stereochemical structure
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/10—Patterned fabrics or articles
- D04B1/102—Patterned fabrics or articles with stitch pattern
- D04B1/104—Openwork fabric, e.g. pelerine fabrics
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/10—Patterned fabrics or articles
- D04B1/12—Patterned fabrics or articles characterised by thread material
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/10—Open-work fabrics
- D04B21/12—Open-work fabrics characterised by thread material
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/02—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
- D04C1/08—Tulle fabrics
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
- D10B2201/24—Viscose
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/01—Surface features
- D10B2403/011—Dissimilar front and back faces
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/03—Shape features
- D10B2403/033—Three dimensional fabric, e.g. forming or comprising cavities in or protrusions from the basic planar configuration, or deviations from the cylindrical shape as generally imposed by the fabric forming process
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/04—Filters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Knitting Of Fabric (AREA)
Abstract
The active carbon fibre fabric with stereochemical structure of windage can be effectively eliminated the invention provides a kind of, it is to utilize viscose rayon, phenolic fibre, the fabric of the carbon fiber-containings such as polyacrylonitrile fibre braiding, pass through pre-treatment again, charing, the techniques such as activation, the active carbon fibre fabric being made, its obverse and reverse is three-dimensional stripe structure or three-dimensional mesh-structured, or there is striped simultaneously and mesh-structured, material layer poststack, the duct of three-dimensional insertion is formed between layers, the present invention has windage uniform, adsorption capacity is big, the advantages of being easy to Wind Volume purification applications.
Description
Technical field
The invention belongs to activated carbon class sorbing material, purified for Wind Volume organic exhaust gas adsorption, it is poisonous and harmful in air
Gas purification, carrier of catalyst etc., and in particular to a kind of active carbon fibre dimensional fabric with stereochemical structure.
Background technology
Activated carbon class sorbing material has good absorption property and catalytic performance, and raw material is sufficient and safe, acidproof
Alkali, heat-resisting, water insoluble and organic solvent, it is a kind of environmentally friendly adsorbent the advantages of easily regenerate.Activated carbon class adsorption material
Material be widely used in three industrial wastes improvements, solvent recovery, food and drink purification, carrier, medicine, gold extract, semiconductor apply, only
In terms of water process, wastewater treatment, Gas Phase Adsorption.
From dividing in appearance, activated carbon class sorbing material includes spherical, graininess, fiber felted, textile-like etc..
Activated carbon（Charcoal）Fiber is the novel absorption material after Powdered Activated Carbon, granular activated carbon, and it is by containing charcoal
Fiber is made up of raw material, has the advantages that specific surface area is big, aperture is moderate, be evenly distributed, adsorption rate is fast, impurity is few, extensively
Applied to industries such as Water warfare, air cleaning, aviation, military affairs, nuclear industry, food.
Activated carbon class sorbing material is typically loaded in the shell of definite shape when for air cleaning, is formed
Filter core, filter core has air intake surface and outlet air surface, and when gas stream of pollution is through filtration core, sorbing material adsorbs pollutant, after purification
Air-flow flows out from outlet air surface, reaches the effect of purification.
The characteristics of NACF class material has big adsorption capacity, easy desorption and regeneration, is organic exhaust gas adsorption purification, has
The ideal material that machine solvent adsorption is reclaimed, but the resistance of active carbon fiber felt general at present is very big, using it as filling material
There is the shortcomings of volume is big, operation power of fan is high in the cleaning equipment of design.Set in fact, material windage has turned into influence purification
One of standby volume, weight, key factor of operation energy consumption.
In order to reduce activated carbon（Charcoal）The gas-flow resistance of fibrofelt, Chinese patent（Application number 201110047887.6）In carry
Go out and viscose rayon and viscose staple fibre spun yarn are mixed into needle felting, Chinese patent by a certain percentage（ZL200920049203.4）In
Propose the fiber felt more than 5D using filament number, although reduce the gas-flow resistance of material, but weaving to a certain extent
Mode determines that the program can not be from the basic windage for solving the problems, such as material.
Active carbon eyelet fabric（ZL201220111052.2）Appearance, be the quantum jump of low windage material, with activated carbon
Fibrofelt is compared, and significantly reduces material resistance, still, in the production and use process, and the problem of material is present is also very
Substantially：
（1）Active carbon eyelet fabric is one-dimentional structure, and in stacking, the position of hole wall and eyelet is random, and hole wall may be with hole
Wall is completely covered, it is also possible to be completely covered with eyelet, therefore, and same material, same thickness of bed layer, same filling is close
Degree, resistance may have notable difference, and the bed of same specification, resistance scattered error is larger, is difficult scale, standardized production Wind Volume
Adsorption cleaning equipment.
（2）Different parts resistance is uneven inside filter core, pollutes gas channel, was being used in adsorption cleaning equipment
Cheng Zhong, some positions are not much reaching adsorption saturation, and some parts have been penetrated.
The content of the invention
The present invention can effectively eliminate the work with stereochemical structure of windage for the deficiency of above-mentioned technology there is provided a kind of
Property carbon fabric.The characteristics of low windage of active charcoal eyelet fabric, air-flow by when again cloth wind it is uniform, be easy to scale,
Standardized production Wind Volume air cleaning facility.
It is to contain Carbon fibe using 300D to 60000D viscose rayon, phenolic fibre, pan based fibers etc., is used
The modes such as warp knit, weft knitting are woven into fabric, then by sequence techniques such as pre-treatment, charing, activation, the NACF being made is knitted
Thing, its obverse and reverse has striated structure or mesh-structured, or has striated structure simultaneously and mesh-structured, positive and negative shape
Minute surface is not symmetrical.
A kind of active carbon fibre dimensional fabric with stereochemical structure, it is characterized in that：It is to utilize to compile using multiply containing Carbon fibe
The fabric knitted, its obverse and reverse is that material layer poststack is internally formed using three-dimensional stripe structure or three-dimensional mesh-structured
The duct of three-dimensional insertion, minute surface is not symmetrical for positive and negative shape, and the peak of striped, paddy are not exclusively overlapping during stacking, the fabric face
It is evenly distributed with mesh.
Described mesh is shaped as polygonized structure；Using circle, ellipse, rhombus, hexagon, rectangle, pros
One kind of shape, or various shapes combination.
Described striated structure is concavo-convex striped, with continuous or discontinuous shape；Striated structure is uniformly distributed,
Thick and fringe spacing the ratio of the line of striated structure is 1:(0.5~6)；The angle of striated structure is 15 degree to 165 degree.
Material has cell structure or striated structure, or has striped, cell structure simultaneously, is knitted with plain weave, twill class activated carbon
Thing is compared, and resistance can be greatly reduced.
Minute surface is not symmetrical for material front, inverse layer structure, the material with cell structure, when stacking forms adsorption bed,
It is superimposed in any case, hole wall will not be completely covered with eyelet, compared with active carbon eyelet fabric, resistance scattered error is greatly reduced；Have
The material of concavo-convex striated structure, due to striped, minute surface is not symmetrical, when stacking forms adsorption bed, is superimposed in any case, bar
The depression of line will not be completely overlapped with bossing, and resistance is greatly reduced and scattered error is smaller.
Beneficial effect
1st, windage is low, and absorption property is good.When activated carbon felt class, felt class material are laminated to form adsorption bed, windage comes from two
Aspect：One be due to the viscous drag of sorbing material, i.e. fluid with the friction on sorbing material surface, hit and produce, this part
Windage is to being favourable to adsorption and diffusion；Two be due to that air channel sectional area expands and shrinks and produce in process fluid flow, this
Part windage does not have facilitation to adsorption and diffusion.When air velocity is relatively low, windage is mainly what is produced by viscous drag,
When air velocity is higher, the expansion in air channel, the generation shunk then to windage play main function.Industrial absorber, it is such as organic
Used under waste gas purification by adsorbsion etc., usually Wind Volume operating mode, material of the present invention avoids the prominent of bed internal gutter
So expand, shrink, overcome the principal element of the generation of windage, significantly reduce bed resistance.Use work proposed by the present invention
The filter core that property charcoal knitted fabric material is made, both ensure that the rate of adsorption of the material to pollutant in itself, significantly reduce again because
The windage that material self structure is produced, so as to largely improve the efficiency of adsorption cleaning.
2nd, windage is uniform, is easy to scale, standardization industrial production Wind Volume adsorption cleaning device.In the production of lot-size metaplasia
During, by identical material, identical thickness of bed layer, all kinds of canister materials that identical loading density is made, windage size exists all the time
Fluctuated in controllable, less scope, greatly improve the standardization level in production process, be easy to scale, standardization
Produce Wind Volume adsorption cleaning device.
Brief description of the drawings
Fig. 1 is that positive and negative is striped and uses the fabric of Weft-knitted Structure.
Fig. 2 is front rhombus, reverse side spread eagle striped and uses warp-knit fabric.
Fig. 3 is front hexagon eye, reverse side square mesh and uses warp-knit fabric.
Fig. 4 erects a brief note line for front ellipse, reverse side and uses warp-knit fabric.
Fig. 5 for different-thickness bed year corresponding wind speed and pressure drop line chart.
Embodiment
With reference to specific embodiment and data comparison, the invention will be further described.
Embodiment 1
Fabric as shown in Figure 1 is formed using 600D viscose rayon weft knittings, and fabric positive and negative is in continuous, equally distributed recessed
Stria shape, the position that positive and negative striped does not intersect is mesh.Ratio of the streak line of obverse and reverse slightly with fringe spacing is equal
For 1:3, the angle of positive and negative striped is 135 degree.
Viscose rayon mesh cloth after the pre-treatment steps such as cleaning, extrusion dehydration, drying that deoil, using conventional flame retardants and
Impregnation technology carries out the fabric after flame-retardant impregnating processing, dipping in 120 DEG C of ± 15 DEG C of dryings, 180 ± 20 DEG C of heat treatments, to protect
The opening of smooth cloth cover, the stabilization of breadth size and mesh is demonstrate,proved, 450 ± 50 DEG C of charings, 900 ± 50 DEG C of steam activations are made
Stereochemical structure NACF textile material, as shown in Figure 1.
Embodiment 2
Fabric as shown in Figure 2, is formed using phenolic fibre warp knit, and fabric face is diamond-mesh, is compiled with 9000D fiber
Knit, reverse side is continuous, the equally distributed brief note line of transverse direction one, is the fibrage with 6000D.Positive water chestnut
The hole wall width of shape and the ratio of mesh width are 1:2.5, the line of reverse side striped is slightly 1 with the ratio of fringe spacing:4.3.
Fabric is entered after the pre-treatment steps such as cleaning, extrusion dehydration, drying that deoil using conventional flame retardants and impregnation technology
Fabric after the processing of row flame-retardant impregnating, dipping is in 120 DEG C of ± 15 DEG C of dryings, 180 ± 20 DEG C of heat treatments, to ensure that cloth cover is put down
The opening of the whole, stabilization of breadth size and mesh, 450 ± 50 DEG C of charings, 900 ± 50 DEG C of steam activations, the three-dimensional knot being made
Structure NACF textile material, as shown in Figure 2.
Embodiment 3
Fabric as shown in Figure 3 is formed using 24000D acrylic fiber warp knits, front hexagon, the equally distributed square of reverse side
Striped.The hole wall width of positive hexagon and the ratio of mesh width are 1:4.57, the hole wall width of back side square striped
Ratio with mesh width is 1:3.82.
Fabric is entered after the pre-treatment steps such as cleaning, extrusion dehydration, drying that deoil using conventional flame retardants and impregnation technology
Fabric after the processing of row flame-retardant impregnating, dipping is in 120 DEG C of ± 15 DEG C of dryings, 180 ± 20 DEG C of heat treatments, to ensure that cloth cover is put down
The opening of the whole, stabilization of breadth size and mesh, 450 ± 50 DEG C of charings, 900 ± 50 DEG C of steam activations.
Embodiment 4
Fabric as shown in Figure 4 is formed using two bursts of viscose rayon warp knits of 60000D through twisting, fabric positive and negative geometric shape
Difference, fabric face eyelet is rounded, and reverse side is a continuous, equally distributed perpendicular word line shape.The hole wall of positive circle mesh
The ratio of width and mesh width is 1:2.45, the streak line of a brief note line at the back side is slightly 1 with the ratio of fringe spacing:
3.45。
Fabric is entered after the pre-treatment steps such as cleaning, extrusion dehydration, drying that deoil using conventional flame retardants and impregnation technology
Fabric after the processing of row flame-retardant impregnating, dipping is in 120 DEG C of ± 15 DEG C of dryings, 180 ± 20 DEG C of heat treatments, to ensure that cloth cover is put down
The opening of the whole, stabilization of breadth size and mesh, 450 ± 50 DEG C of charings, 900 ± 50 DEG C of steam activations.
With mixture bed shown in embodiment 1, it is respectively 10cm, 15cm that bed, which crosses wind area 10cm × 10cm thickness,
20cm, the pressure drop surveyed under different air quantity is as shown in the table.
Thickness of bed layer 10cm
| Air quantity（m3/h） | Wind speed (m/s) | Bed pressure drop（Pa） | Unit pressure drop (Pa/cm) |
| 3 | 0.83 | 10 | 1 |
| 6 | 1.67 | 25 | 2.5 |
| 9 | 2.50 | 41 | 4.1 |
| 12 | 3.33 | 68 | 6.8 |
| 15 | 4.17 | 91 | 9.1 |
| 18 | 5 | 125 | 12.5 |
Thickness of bed layer 15cm
| Air quantity（m3/h） | Wind speed (m/s) | Bed pressure drop（Pa） | Unit pressure drop (Pa/cm) |
| 3 | 0.83 | 20 | 1.3 |
| 6 | 1.67 | 38 | 2.5 |
| 9 | 2.50 | 66 | 4.4 |
| 12 | 3.33 | 101 | 6.7 |
| 15 | 4.17 | 144 | 9.6 |
| 18 | 5 | 196 | 13.1 |
Thickness of bed layer 20cm
Standard deviation maximum is no more than 0.25, and maximum variance is no more than 0.5, and bed pressure drop uniformity is fine.Different beds is thick
Degree wind speed used and the line chart of pressure drop are as shown in Figure 5.
Claims (8)
1. a kind of active carbon fibre fabric with stereochemical structure, it is characterized in that：It is using 300D to 60000D viscose rayons,
The carbon fiber-containings such as phenolic fibre, pan based fibers, fabric is woven into using modes such as warp knit, weft knittings, then by pre-treatment,
The sequence techniques such as charing, activation, the active carbon fibre fabric being made, its obverse and reverse has striated structure or mesh-structured,
Or there is striated structure simultaneously and mesh-structured, minute surface is not symmetrical for positive and negative shape.
2. a kind of active carbon fibre fabric with stereochemical structure according to claim 1, it is characterised in that：One kind has
The active carbon fibre fabric of stereochemical structure, it is characterized in that：It is to use the fabric that multiply weaves using carbon fiber-containing, and it is just
Face and reverse side are that material layer poststack is internally formed the duct of three-dimensional insertion, just using three-dimensional stripe structure or three-dimensional mesh-structured
Minute surface is not symmetrical for reverse side shape, and the peak of striped, paddy are not exclusively overlapping during stacking, and the fabric face is evenly distributed with mesh.
3. a kind of active carbon fibre fabric with stereochemical structure according to claim 2, it is characterized in that：Described mesh
Be shaped as circular, ellipse or polygonized structure.
4. a kind of active carbon fibre fabric with stereochemical structure according to any one of claim 1 or 2, it is characterized in that：
Described striated structure is concavo-convex striped, with continuous or discontinuous shape.
5. a kind of active carbon fibre fabric with stereochemical structure according to claim 3, it is characterized in that：Described mesh
Shape using circle, ellipse, rhombus, hexagon, rectangle, square one kind, or various shapes combination.
6. a kind of active carbon fibre fabric with stereochemical structure according to claim 5, it is characterized in that：Described hole wall
Width and eye width ratio 1:（0.5~10）.
7. a kind of active carbon fibre fabric with stereochemical structure according to claim 4, it is characterised in that：Described bar
Line even structure is distributed, and thick and spacing the ratio of the line of striated structure is 1:(0.5~6).
8. a kind of active carbon fibre fabric with stereochemical structure according to claim 4, it is characterised in that：Described bar
The angle of line structure is 15 degree to 165 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252041.5A CN107043989A (en) | 2016-12-30 | 2016-12-30 | A kind of active carbon fibre dimensional fabric with stereochemical structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252041.5A CN107043989A (en) | 2016-12-30 | 2016-12-30 | A kind of active carbon fibre dimensional fabric with stereochemical structure |
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| Publication Number | Publication Date |
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| CN107043989A true CN107043989A (en) | 2017-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611252041.5A Pending CN107043989A (en) | 2016-12-30 | 2016-12-30 | A kind of active carbon fibre dimensional fabric with stereochemical structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172751A (en) * | 2019-05-18 | 2019-08-27 | 孔令孝 | A kind of carbon fibre and its carbonization method |
| CN116446098A (en) * | 2023-06-15 | 2023-07-18 | 山东广瑞检测技术服务有限公司 | Flame-retardant heat-insulation summer wear protective fabric and preparation method and application thereof |
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| JP2000005543A (en) * | 1998-06-26 | 2000-01-11 | Oshidari Kenkyusho:Kk | Activated carbon fiber filter and its production |
| US20050274152A1 (en) * | 2004-06-12 | 2005-12-15 | Monterey, Inc. D/B/A Monterey Mills | High heat filter fabric and method |
| CN103451843A (en) * | 2013-10-15 | 2013-12-18 | 郑州中斯达环境科技有限公司 | Active carbon eyelet fabric |
| CN204224823U (en) * | 2014-06-27 | 2015-03-25 | 中原工学院 | A kind of air filtration snow Neil warp-knitted spacer fabric |
| CN204582893U (en) * | 2015-04-23 | 2015-08-26 | 郑州中斯达环境科技有限公司 | For the active carbon filter screen that Wind Volume is administered |
| CN205576396U (en) * | 2016-02-29 | 2016-09-14 | 河南工程学院 | Moisture absorption surface fabric with convex -concave structure |
| CN106178744A (en) * | 2016-09-28 | 2016-12-07 | 深圳市信诚发过滤器材有限公司 | A kind of high efficiency low wind resistance filter element and preparation method thereof |
-
2016
- 2016-12-30 CN CN201611252041.5A patent/CN107043989A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000005543A (en) * | 1998-06-26 | 2000-01-11 | Oshidari Kenkyusho:Kk | Activated carbon fiber filter and its production |
| US20050274152A1 (en) * | 2004-06-12 | 2005-12-15 | Monterey, Inc. D/B/A Monterey Mills | High heat filter fabric and method |
| CN103451843A (en) * | 2013-10-15 | 2013-12-18 | 郑州中斯达环境科技有限公司 | Active carbon eyelet fabric |
| CN204224823U (en) * | 2014-06-27 | 2015-03-25 | 中原工学院 | A kind of air filtration snow Neil warp-knitted spacer fabric |
| CN204582893U (en) * | 2015-04-23 | 2015-08-26 | 郑州中斯达环境科技有限公司 | For the active carbon filter screen that Wind Volume is administered |
| CN205576396U (en) * | 2016-02-29 | 2016-09-14 | 河南工程学院 | Moisture absorption surface fabric with convex -concave structure |
| CN106178744A (en) * | 2016-09-28 | 2016-12-07 | 深圳市信诚发过滤器材有限公司 | A kind of high efficiency low wind resistance filter element and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172751A (en) * | 2019-05-18 | 2019-08-27 | 孔令孝 | A kind of carbon fibre and its carbonization method |
| CN116446098A (en) * | 2023-06-15 | 2023-07-18 | 山东广瑞检测技术服务有限公司 | Flame-retardant heat-insulation summer wear protective fabric and preparation method and application thereof |
| CN116446098B (en) * | 2023-06-15 | 2023-09-12 | 山东广瑞检测技术服务有限公司 | Flame-retardant heat-insulation summer wear protective fabric and preparation method and application thereof |
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