CN108159781A - A kind of three-dimensional structure filtration fabrics and preparation method thereof - Google Patents
A kind of three-dimensional structure filtration fabrics and preparation method thereof Download PDFInfo
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- CN108159781A CN108159781A CN201711438752.6A CN201711438752A CN108159781A CN 108159781 A CN108159781 A CN 108159781A CN 201711438752 A CN201711438752 A CN 201711438752A CN 108159781 A CN108159781 A CN 108159781A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/593—Stiff materials, e.g. cane or slat
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D25/00—Woven fabrics not otherwise provided for
- D03D25/005—Three-dimensional woven fabrics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
-
- 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
- D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
- D10B2101/06—Glass
-
- 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
- D10B2201/01—Natural vegetable fibres
-
- 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
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
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- 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
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
-
- 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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- 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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
- D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
-
- 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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- 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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
Abstract
The invention discloses a kind of three-dimensional structure filtration fabrics and preparation method thereof.The fabric includes the above and below yarn layer being made of warp thread and weft yarn and the wall between the yarn layer of above and below being made of interval yarn, and filtering material is filled between wall and above and below yarn layer.Preparation method is:Above and below yarn layer is weaved, includes two layers of warp thread and one layer of weft yarn per level yarn layer, be then interweaved using two groups of interval yarns becomes an entirety by the binding of above and below yarn layer;Filler is woven into empty space layer;Three dimensional fabric is immersed in the mixed solution of leavening agent and compatilizer after weaving, mixed solution, which immerses the bubble that filler internal breakup generates, has micro-explosion effect, so that gradually entire three-dimensional hollow structure is filled up in loose expansion to packing structure, so as to which three-dimensional structure filtration fabrics be made.The present invention using three-dimensional spacer fabric as skeletal support material, be it is fluffy after carbon tube material accommodation space and mechanical support are provided.
Description
Technical field
The present invention relates to a kind of three-dimensional structure filtration fabrics and preparation method thereof, belong to filtering material technical field.
Background technology
With industrial development, air pollution and water pollution are more serious.In some heavy industry enterprises, in high-temp waste gas
Acid or alkaline gas influences air quality very big.Therefore, the research of the filter materials such as filter screen, filter felt and filtration fabrics and should
With all than wide.For filtering the textile of sundries in gas or liquid.There are two classes of wet filter and dry filter.Consolidating in separation liquid
Body particle claims wet filter, and it is industrial to be mostly used for chemical industry, paint, dyestuff, pigment, oil, ceramics, sugaring and food etc..Purification air,
Dust and smog in separation gas claim dry filter, are mostly used for metallurgical, mining, chemical industry and power station etc..Woven fabric and silk screen
It is typically adapted to the fabric of wet filter, wherein smooth surface, is easy to remove filter residue, suitable for the recycling of solid matter.Nomex type without
Textile cloth is suitable for dry filter, is particularly suitable for purification air.Filtration fabrics have cotton drill, felt, tiffany and the woven wire etc. a variety of.
Polypropylene fibre is not corroded by general chemicals, not mould not eat into, but non-refractory, polypropylene short fiber through needle pierce made of felt be mostly used for only
Filtering when changing air, wastewater treatment and manufacturing viscose rayon etc..Polytetrafluoroethylene (PTFE) high temperature resistant, radiation hardness and resistance to variousization
Drug corrosion is learned, the glass cloth for being coated with polytetrafluoroethylene (PTFE) can be used for filtering flue gas, radioactive ash and eroding chemical.This
Outside, Stainless Steel silk screen can be used for the filtering substances such as high polymer molten and gasoline, also be important filtration fabrics.Also have using electrostatic
Nanofiber is mixed into fiber or fabric to improve filter effect by the methods of spinning.But still there are power for above filtration fabrics
The shortcomings of learning weaker performance or non-refractory.
Invention content
Problem to be solved by this invention is:Existing filtration fabrics mechanical property is weaker or the problem of non-refractory.
To solve the above-mentioned problems, the present invention provides a kind of three-dimensional structure filtration fabrics, which is characterized in that including by passing through
The above and below yarn layer and the wall between the yarn layer of above and below that is made of interval yarn of yarn and weft yarn composition, wall with
Filtering material is filled between the yarn layer of above and below.
Preferably, the warp thread, weft yarn, interval yarn be aramid fiber, glass fibre, carbon fiber, terylene, polyamide fibre, spandex, dimension
Synthetic fibre, cotton fiber or flaxen fiber.
It is highly preferred that the density of the warp thread, weft yarn is 2~50 pieces/centimetre, the density of interval yarn is 2~50 pieces/li
Rice.
Preferably, the filtering material is carbon nano-tube film, carbon nanotube yarn or graphene yarn.
Preferably, the filtering material is untreated raw material or the material through chemical reagent modified.
The present invention also provides the preparation methods of above-mentioned three-dimensional structure filtration fabrics, which is characterized in that weaves upper and lower veil
Layer is included two layers of warp thread and one layer of weft yarn per level yarn layer, is then interweaved using two groups of interval yarns and ties above and below yarn layer
It ties up as an entirety;The height of interval yarn is controlled, while filler is woven into empty space layer;It will be three-dimensional after weaving
Fabric is immersed in the mixed solution of leavening agent and compatilizer, and mixed solution immerses the bubble of filler internal breakup generation with micro-
Blast action so that gradually entire three-dimensional hollow structure is filled up in loose expansion to packing structure, is filtered so as to which three-dimensional structure be made
Fabric.
Using carrier of the three-dimensional spacer fabric with empty space layer as filtration fabrics, be it is fluffy after carbon tube material
Filter layer provides accommodation space and mechanical support, and certain sealing function is played to fluffy carbon nanotube.The three-dimensional
Spacer fabric can also use the three dimensional fabric structure of three dimensional separation knitted fabric, three-dimensional braid or other structures.
Preferably, the height of the interval yarn is controlled or is controlled by the way of warp let-off yarn is extended surely by leaf gauge.
Preferably, in mixed solution, the compatilizer is ethanol solution, acetone soln or dichloromethane solution;Leavening agent
For mass concentration be 10~70% hydrogenperoxide steam generator, mass concentration be 10~15% dilute sulfuric acid and metallic zinc powder with weight
Measure ratio 20:The dust technology that the mixture or mass concentration that 1 ratio mixes are 8~12% is in sodium sulfite with weight ratio 20:1
The mixture of ratio mixing.
Compatilizer helps to enter inside carbon nanotube aggregate, and leavening agent can generate microbubble.The mixed solution of the two
It can enter inside carbon nano-tube film and generate microvesicle, realize the gap regulation and control of carbon periosteum, Neither of the two can be dispensed.
When hole in filtering material between carbon nanotube can be by the type of mixed solution, ingredient proportion, concentration, effect
Between and the factor controllings such as temperature.
The present invention using three-dimensional spacer fabric as skeletal support material, be it is fluffy after carbon tube material accommodation space is provided
And mechanical support.Carbon nano-tube film with self supporting structure is woven into the wall of three-dimensional spacer fabric, using hydrogen peroxide
Fluffy processing, the gas generated in decomposable process using hydrogen peroxide are carried out to carbon nano-tube film with the mixed solution of ethyl alcohol
The aperture of carbon nano tube membrane structure is regulated, is regulated and controled so as to fulfill the filtering feature to three-dimensional structure filtration fabrics.
Therefore the three-dimensional structure filtration fabrics that the present invention obtains can be used for heavy metal adsorption and liquid mistake for gas filtration fabric
Filter field.
Compared with prior art, the beneficial effects of the present invention are:
(1) three-dimensional structure filtration fabrics of the invention have space fabric as framework material, have light weight, impact property
Well, the advantages of stable structure;
(2) three-dimensional structure filtration fabrics of the invention using fluffy treated carbon tube material as filter layer, filter layer
Hole between middle carbon nanotube can be adjusted by fluffy processing, to meet different filtering requirements.
(3) three-dimensional structure filtration fabrics of the invention can be used for gas filtration, can be used for heavy metal adsorption and liquid
Filtration art.
(4) three-dimensional structure filtration fabrics preparation process of the invention is integrally formed, and manufacture craft is simple, at low cost, is suitble to
Industrialization production.
Description of the drawings
Fig. 1 is the schematic diagram of three-dimensional structure filtration fabrics produced by the present invention.
Specific embodiment
To be clearer and more comprehensible the present invention, hereby with preferred embodiment, and attached drawing is coordinated to be described in detail below.
Embodiment 1
First, three-dimensional structure liquid filtration fabrics
Selecting polyester fiber, fineness is 200tex as warp thread 1, weft yarn 3 and interval yarn 2.In three-dimensional rapier loom
Weaving controls 2 height of interval yarn in weaving process using leaf gauge.Using the weaving mode of multiple-shed, more traverses are used
Cylinder as transmission mechanism, the lifting of heald frame is controlled to control the movement of warp thread, uses arrow shaft mechanism wefting insertion.Weft density is distinguished
For 20 pieces/centimetre, Fabric Design width is 40 centimetres, 40 centimetres of length.Leaf gauge is a length of 50 centimetres, 5 millimeters high, width 1
The aluminum foil plate of millimeter.Filtering material 4 uses carbon nano-tube film (Suzhou Jie Di nano materials Co., Ltd) 40 centimetres of length, width
5 millimeters, 10 microns of thickness.
2nd, preparation method
(1) pass through the woven three-dimensional spacer fabric structure of the method for three-dimensional woven:
Warp thread 1 is divided into two groups and respectively penetrates the heald frame equipped with eyes heald for totally four layers, weft yarn 3 divides penetrates multilayer for two layers
Arrow shaft Weft inserting device, interval yarn 2 is divided penetrates common heald frame for two layers.Heald frame alternating movement is driven by more traverse cylinders, is realized
The weaving of warp thread 1 and interval yarn 2;Interval yarn height is controlled by leaf gauge, by multilayer arrow shaft by weft yarn 3 and carbon nano-tube film
It is introduced into fabric;It is batched by stepper motor, completes a weaving cycle.According to actual needs, by controlling weaving cycle number
To control the length of fabric.After 40 centimetres of length is weaved, fabric knitting finishes.
(2) the fluffy processing of three-dimensional structure filtration fabrics
It is that 50% hydrogenperoxide steam generator is with mass concentration that the woven three-dimensional structure filtration fabrics of institute are put into mass concentration
It in the mixed solution of 99% ethyl alcohol, is placed 3 hours in 50 DEG C of environment, realizes the fluffy processing of packing material, take out
After being dried 25 minutes in 80 DEG C of environment afterwards, three-dimensional structure liquid filtration fabrics are obtained.
The upper layer of the fabric is by-pass filtration layer, and middle carbon nanotube filled layer is secondary filtration layer;After tested:
Filtration fabrics intensity 220MPa, pure water flux:50-150L/(m2H), to the filter efficiency 98 of waste liquor contamination composition granule with
Upper %.
Embodiment 2
First, resisting three-dimensional structured liquids filtration fabrics
Selecting aramid fiber, fineness is 300tex as warp thread 1, weft yarn 3 and interval yarn 2.In three-dimensional rapier loom
Weaving controls 2 height of interval yarn in weaving process using leaf gauge.Using the weaving mode of multiple-shed, more traverses are used
Cylinder as transmission mechanism, the lifting of heald frame is controlled to control the movement of warp thread 1, uses arrow shaft mechanism wefting insertion.Weft density point
Not Wei 18 pieces/centimetre, Fabric Design width be 40 centimetres, 40 centimetres of length.Leaf gauge is a length of 50 centimetres, 5 millimeters high, width
1 millimeter of aluminum foil plate.Filtering material 4 uses carbon nano-tube film (Suzhou Jie Di nano materials Co., Ltd) 40 centimetres of length, wide
5 millimeters of degree, 10 microns of thickness.
2nd, preparation method
(1) pass through the woven three-dimensional spacer fabric structure of the method for three-dimensional woven:
Warp thread 1 is divided into two groups and respectively penetrates the heald frame equipped with eyes heald for totally four layers, weft yarn 3 divides penetrates multilayer for two layers
Arrow shaft Weft inserting device, interval yarn 2 is divided penetrates common heald frame for two layers.Heald frame alternating movement is driven by more traverse cylinders, is realized
The weaving of warp thread 1 and interval yarn 2;The height of interval yarn 2 is controlled by leaf gauge, by multilayer arrow shaft by weft yarn 3 and carbon nanotube
Film is introduced into fabric;It is batched by stepper motor, completes a weaving cycle.According to actual needs, by controlling weaving cycle
Count the length to control fabric.After 40 centimetres of length is weaved, fabric knitting finishes.
(2) the fluffy processing of three-dimensional structure filtration fabrics
It is that 50% hydrogenperoxide steam generator is with mass concentration that the woven three-dimensional structure filtration fabrics of institute are put into mass concentration
It in the mixed solution of 99% ethyl alcohol, is placed 2 hours in 50 DEG C of environment, realizes the fluffy processing of packing material, take out
After being dried 25 minutes in 80 DEG C of environment afterwards, resisting three-dimensional structured liquids filtration fabrics are obtained.
The upper layer of the fabric is by-pass filtration layer, and middle carbon nanotube filled layer is secondary filtration layer;After tested:
Filtration fabrics intensity 1.2GPa, in 80-100 degrees Celsius of sewage disposal, flux:50-150L/(m2H), to waste liquid dirt
Contaminate more than 98 % of filter efficiency of composition granule.
Embodiment 3
First, high-strength three-dimensional structured liquids filtration fabrics
Selecting aramid fiber, fineness is 200tex as warp thread 1, weft yarn 3 and interval yarn 2.In three-dimensional rapier loom
Weaving controls 2 height of interval yarn in weaving process using leaf gauge.Using the weaving mode of multiple-shed, more traverses are used
Cylinder as transmission mechanism, the lifting of heald frame is controlled to control the movement of warp thread 1, uses arrow shaft mechanism wefting insertion.Weft density point
Not Wei 20 pieces/centimetre, Fabric Design width be 40 centimetres, 40 centimetres of length.Leaf gauge is a length of 50 centimetres, 5 millimeters high, width
1 millimeter of aluminum foil plate.Carbon nano-tube film (Suzhou Jie Di nano materials Co., Ltd) 40 centimetres of length, 5 millimeters of width, thickness 10
Micron.
2nd, preparation method
(1) pass through the woven three-dimensional spacer fabric structure of the method for three-dimensional woven:
Warp thread 1 is divided into two groups and respectively penetrates the heald frame equipped with eyes heald for totally four layers, weft yarn 3 divides penetrates multilayer for two layers
Arrow shaft Weft inserting device, interval yarn 2 is divided penetrates common heald frame for two layers.Heald frame alternating movement is driven by more traverse cylinders, is realized
The weaving of warp thread 1 and interval yarn 2;The height of interval yarn 2 is controlled by leaf gauge, by multilayer arrow shaft by weft yarn and carbon nano-tube film
It is introduced into fabric;It is batched by stepper motor, completes a weaving cycle.According to actual needs, by controlling weaving cycle number
To control the length of fabric.After 40 centimetres of length is weaved, fabric knitting finishes.
(2) the fluffy processing of three-dimensional structure filtration fabrics
By woven three-dimensional structure filtration fabrics be put into mass concentration be 50% hydrogenperoxide steam generator and mass concentration
It in mixed solution for 99% ethyl alcohol, is placed 2 hours in 50 DEG C of environment, realizes the fluffy processing of packing material, take
After being dried 25 minutes in 80 DEG C of environment after going out, high-strength three-dimensional structured liquids filtration fabrics are obtained.
The upper layer of the fabric is by-pass filtration layer, and middle carbon nanotube filled layer is secondary filtration layer;After tested:
Filtration fabrics intensity 1.2GPa, flux:50-150L/(m2H), to more than 98 % of filter efficiency of waste liquor contamination composition granule.
Claims (8)
1. a kind of three-dimensional structure filtration fabrics, which is characterized in that including the above and below yarn layer being made of warp thread (1) and weft yarn (3)
And the wall between the yarn layer of above and below being made of interval yarn (2), it is filled between wall and above and below yarn layer
Filtering material (4).
2. three-dimensional structure filtration fabrics as described in claim 1, which is characterized in that the warp thread (1), weft yarn (3), interval yarn
(2) it is aramid fiber, glass fibre, carbon fiber, terylene, polyamide fibre, spandex, polyvinyl, cotton fiber or flaxen fiber.
3. three-dimensional structure filtration fabrics as claimed in claim 2, which is characterized in that the warp thread (1), weft yarn (3) density
For 2~50 pieces/centimetre, the density of interval yarn (2) is 2~50 pieces/centimetre.
4. three-dimensional structure filtration fabrics as described in claim 1, which is characterized in that the filtering material (4) is carbon nanotube
Film, carbon nanotube yarn or graphene yarn.
5. three-dimensional structure filtration fabrics as described in claim 1, which is characterized in that the filtering material (4) is unprocessed
Raw material or material through chemical reagent modified.
A kind of 6. preparation method of the three-dimensional structure filtration fabrics described in claim 1-5 any one, which is characterized in that weaving
Above and below yarn layer includes two layers of warp thread (1) and one layer of weft yarn (3) per level yarn layer, then mutual using two groups of interval yarns (2)
Interweave becomes an entirety by the binding of above and below yarn layer;The height of interval yarn (2) is controlled, while filler (4) weaving is hollow
In wall;Three dimensional fabric is immersed in the mixed solution of leavening agent and compatilizer after weaving, mixed solution immerses filling
The bubble that object (4) internal breakup generates has micro-explosion effect so that gradually loose expansion fills up entire three to filler (4) structure
Hollow structure is tieed up, so as to which three-dimensional structure filtration fabrics be made.
7. the preparation method of three-dimensional structure filtration fabrics as claimed in claim 6, which is characterized in that the interval yarn (2)
Height is controlled or is controlled by the way of warp let-off yarn is extended surely by leaf gauge.
8. the preparation method of three-dimensional structure filtration fabrics as claimed in claim 6, which is characterized in that described in mixed solution
Compatilizer is ethanol solution, acetone soln or dichloromethane solution;Leavening agent is the hydrogen peroxide that mass concentration is 10~70%
Solution, the dilute sulfuric acid that mass concentration is 10~15% and metallic zinc powder are with the mixture or matter of the ratio mixing of weight ratio 20: 1
Measure the mixture that a concentration of 8~12% dust technology is mixed in sodium sulfite with the ratio of weight ratio 20: 1.
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CN109137222A (en) * | 2018-08-21 | 2019-01-04 | 上海钐顺新材料科技有限公司 | A kind of thin large stereo framework material for seeing the braiding of three-dimensional filament carbon fibre |
CN109183251A (en) * | 2018-08-21 | 2019-01-11 | 上海钐顺新材料科技有限公司 | It is a kind of for weaving the three-dimensional framework of microscopical structure carbon fibre composite |
CN111676565A (en) * | 2020-06-22 | 2020-09-18 | 安徽省太和县众友筛网滤布制造有限公司 | Extension-resistant tensile high-performance industrial filter cloth and preparation method thereof |
CN111691037A (en) * | 2020-06-22 | 2020-09-22 | 安徽省太和县众友筛网滤布制造有限公司 | Industrial filter cloth with self-purification function and preparation method thereof |
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CN111676565B (en) * | 2020-06-22 | 2021-11-23 | 安徽省太和县众友筛网滤布制造有限公司 | Extension-resistant tensile high-performance industrial filter cloth and preparation method thereof |
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