CN104309210A - Antistatic filtering material used at middle and high temperatures and preparation method thereof - Google Patents
Antistatic filtering material used at middle and high temperatures and preparation method thereof Download PDFInfo
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- CN104309210A CN104309210A CN201410468408.1A CN201410468408A CN104309210A CN 104309210 A CN104309210 A CN 104309210A CN 201410468408 A CN201410468408 A CN 201410468408A CN 104309210 A CN104309210 A CN 104309210A
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- high temperature
- filtering material
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- 239000000463 material Substances 0.000 title claims abstract description 51
- 238000001914 filtration Methods 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 80
- 239000010410 layer Substances 0.000 claims abstract description 58
- 239000004744 fabric Substances 0.000 claims abstract description 38
- 239000000126 substance Substances 0.000 claims abstract description 38
- 238000007747 plating Methods 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 238000002203 pretreatment Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 24
- 229920006231 aramid fiber Polymers 0.000 claims description 19
- 238000009941 weaving Methods 0.000 claims description 16
- 229920002748 Basalt fiber Polymers 0.000 claims description 13
- 239000004642 Polyimide Substances 0.000 claims description 13
- 229920001721 polyimide Polymers 0.000 claims description 13
- 238000001467 acupuncture Methods 0.000 claims description 11
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 10
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 10
- 230000005669 field effect Effects 0.000 claims description 9
- 238000002604 ultrasonography Methods 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000011651 chromium Substances 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 3
- 238000007738 vacuum evaporation Methods 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 238000003851 corona treatment Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 238000005240 physical vapour deposition Methods 0.000 claims description 2
- 238000009832 plasma treatment Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000001035 drying Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000004568 cement Substances 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 239000002346 layers by function Substances 0.000 abstract description 2
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000003889 chemical engineering Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 10
- 238000004513 sizing Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000011152 fibreglass Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000003500 flue dust Substances 0.000 description 3
- 229920002239 polyacrylonitrile Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/21—Anti-static
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2432/00—Cleaning articles, e.g. mops or wipes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Woven Fabrics (AREA)
Abstract
The invention provides an antistatic filtering material used at middle and high temperatures and a preparation method thereof. The antistatic filtering material comprises a non-woven base cloth and a surface layer. The non-woven base cloth and cut high temperature-resistant chemical fiber filaments are blended to form an antistatic functional layer and the surfaces of the high temperature-resistant chemical fiber filaments are plated with metal layers. The preparation method comprises the following steps of drying the high temperature-resistant chemical fiber filaments, carrying out physical oil removal, carrying out pre-treatment, carrying out metal layer plating coating, cutting the high temperature-resistant chemical fiber filaments with the metal layers, blending the high temperature-resistant chemical fiber filaments and a non-woven cloth surface raw material, and carrying out opening, scotching, netting, non-woven cloth base addition in the middle, needling and setting to obtain the antistatic filtering material. The antistatic filtering material has the advantages of low surface resistance, good uniformity, high temperature resistance and good bonding force, and can be used for middle and high temperature pocket-type dedusting in the fields of garbage burning, thermal power generation, cement, steel, chemical engineering and metallurgy.
Description
Technical field
The present invention relates to fabrics for industrial use field, particularly relate to high temperature antistatic filtering material and preparation method thereof in one.
Background technology
In the industrial circles such as petrochemical industry, smelting iron and steel, coal-burning power plant, waste incineration, cement, the flue dust that process portion produces has the features such as flammable, explosive, high temperature, use process in due to dust and dust, rubbing between dust and filtrate easily produces a large amount of electrostatic, as can not be in time electric charge eliminated, fire or explosion accident will be produced.The flue dust of high temperature is then had higher requirement to the use of filtering material.Along with science and technology and the development of modern crafts, people also more and more pay attention to the aspect such as air quality, personal protection, therefore, need to use high-temperature-resistant antistatic filtering material to process flue dust.Existing antistatic filtering material generally adopts following 3 kinds of methods, (1) chemical fibre and stainless steel fibre mixing acupuncture, (2) chemical fibre and conductive fiber mixing acupuncture, (3) in filtering material, add antistatic agent, wherein, (1) there is the shortcomings such as production procedure length, complex process, lack of homogeneity in method; (2), (3) there is the shortcomings such as antistatic performance instability, decay is fast, sheet resistance is bigger than normal in method.
The domestic and international research about antistatic filtering material is less at present, patent of invention (201310119167.5) provides a kind of Anti-static polytetrafluoroethylfilter filter bag and preparation method thereof, the method base cloth twists Split Down by polytetrafluoroethylfilament filament and stainless steel fibre, weave mutually form by warp, latitude, be coated with nonwoven layers at the upper and lower surface of Ji Bu, its electrostatic-proof function layer is different from the present invention.Utility model patent (201120341764.9) provides a kind of antistatic blending filter felt, what this filter felt comprised conductive fiber and the blending of polyacrylonitrile fibre cross lapping meets knoisphere, the base cloth layer of polyacrylonitrile fibre long filament braiding and the bottom of polyacrylonitrile fibre cross lapping, and its anti-static function layer is different from the present invention.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art, provides middle high temperature antistatic filtering material that a kind of sheet resistance is low, uniformity good, high temperature resistant, adhesion is good and preparation method thereof, simple, easy to operate, the economic environmental protection of this preparation method's technique.
In order to reach one of above-mentioned purpose, the present invention realizes by following technical measures:
High temperature antistatic filtering material in one, comprises non-woven fabricbase cloth and top layer, and described non-weaving cloth top layer forms electrostatic-proof function layer with the high temperature resistant chemical fiber filament blending through cutting off, described high temperature resistant chemical fiber filament surface plating metal level.
One of the object of the invention also realizes by following technical measures:
Described metal level be nickel, silver, titanium, chromium one or more, described metal level thickness in monolayer is 0.05 ~ 1 μm.
Described high temperature resistant chemical fibre length is 38 ~ 65mm.
Described high temperature resistant chemical fibre and non-weaving cloth top layer raw material are by proportion by weight=(10-30): (90-70) mixes.
Described high temperature resistant chemical fibre be aramid fiber, polytetrafluoroethylene fibre, polyimide fiber, polyphenylene sulfide fibre, glass fibre, basalt fibre one or more.
Described non-woven fabricbase cloth and top layer raw material be aramid fiber, polytetrafluoroethylene fibre, polyimide fiber, polyphenylene sulfide fibre, glass fibre, basalt fibre one or more.
Two of the object of the invention realizes by following technical measures:
A preparation method for middle high temperature antistatic filtering material, is undertaken by following operating procedure:
(1) high temperature resistant chemical fiber filament is dried 24 ~ 48h under 80 ~ 120 DEG C of conditions, to reduce its water content;
(2) by described for step (1) high temperature resistant chemical fiber filament physical oil-removing 30 ~ 60min under the ultrasound field effect of 20 ~ 90kHz, to remove the impurity such as the oil stain on its surface;
(3) by step (2) described high temperature resistant chemical fiber filament pre-treatment 20 ~ 60min, to improve the adhesion of itself and plating metal;
(4) by described for step (3) high temperature resistant chemical fiber filament plating layer of metal;
(5) the high temperature resistant chemical fiber filament of step (4) described plating metal level is cut off;
(6) by the high temperature resistant chemical fiber filament of step (5) through cutting off and the raw material blending of non-weaving cloth top layer, non-woven fabricbase cloth, acupuncture is added through shredding, combing, one-tenth net, centre, antistatic filtering material of shaping to obtain.
Two of object of the present invention also realizes by following technical measures:
Step (3) described pre-treatment is plasma treatment, ion gun process or sided corona treatment.
Step (4) described plating is the one of chemical plating, vacuum evaporation, physical vapor deposition.
Described antistatic filtering material skin resistance is 1 × 10
6~ 10
10Ω.
The present invention compared with prior art tool has the following advantages:
(1) the antistatic filtering material of prior art generally adopts chemical fibre and stainless steel fibre, conductive fiber blending woven to form, production procedure length, complex process, operability is poor, sheet resistance is bigger than normal, lack of homogeneity, the present invention adopts the high temperature resistant chemical fiber filament of plating metal, compared with the conventional conductive fibers such as stainless steel fibre, pliability is better, there are better compatibility and adhesion with non-weaving cloth top layer raw material, improve the service life of antistatic filtering material functional layer.
(2) the antistatic filtering material of prior art plays anti-static electrification by the conductive fiber of blending, the present invention is by the chemical fiber filament after non-weaving cloth top layer adds plating metal, when reaching like product similar face resistance, the amount of metal of consumption is low, reduces cost.
(3) the present invention selects high-temperature fibre non-weaving cloth, and by the high temperature resistant chemical fiber filament of surperficial plating metal level and the raw material blending of non-weaving cloth top layer, meet the instructions for use of antistatic filtering material under middle hot conditions, widen the application of antistatic filtering material.
Antistatic filtering material prepared by the inventive method, has the advantages such as sheet resistance is low, uniformity good, high temperature resistant, adhesion is good, can be used for the middle high-temperature bag dust removal in the fields such as waste incineration, thermal power generation, cement, iron and steel, chemical industry, metallurgy.Simple, safe and reliable, easy to operate, the economic environmental protection of preparation method's technique of the present invention, is easy to scale batch production.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.Following examples are that middle high temperature antistatic filtering material is preferably filled a prescription; these non-limiting implementation of filling a prescription; just for illustrating the present invention, the formula that those skilled in the art can filter out according to thinking of the present invention and proportioning of selecting materials completely is protection scope of the present invention.
Embodiment 1:
(1) by aramid fiber long filament drying and processing 24h under 80 DEG C of conditions;
(2) aramid fiber long filament physical oil-removing 50min under the ultrasound field effect of 40kHz of will dry;
(3) carry out plasma pre-treatment 40min by through step aramid fiber long filament (2);
(4) adopt chemical plating method, by through step aramid fiber long filament plating layer of metal nickel (3), individual layer plating layer thickness 0.1 μm;
(5) cut off through step aramid fiber long filament (4), shearing length is 38mm;
By through step aramid fiber (5) and fiberglass non-woven cloth top layer raw material by mass parts=10:90 blending, then add the operations such as fiberglass non-woven fabricbase cloth, acupuncture, sizing through shredding, combing, one-tenth net, centre, be prepared into antistatic filtering material.After testing, the resistance on this antistatic filtering material top layer is 1 × 10
10Ω.
Embodiment 2:
(1) by polyimide fiber long filament drying and processing 48h under 120 DEG C of conditions;
(2) polyimide fiber long filament physical oil-removing 60min under the ultrasound field effect of 20kHz of will dry;
(3) carry out corona pre-treatment 60min by through step polyimide fiber long filament (2);
(4) adopt vacuum deposition method, by silver-colored through step polyimide fiber long filament plating layer of metal (3), individual layer plating layer thickness 0.05 μm;
(5) cut off through step polyimide fiber long filament (4), shearing length is 65mm;
By through step polyimide fiber (5) and polyimide fiber non-weaving cloth top layer raw material by mass parts=30:70 blending, then add the operations such as polyimide fiber non-weaving cloth base cloth, acupuncture, sizing through shredding, combing, one-tenth net, centre, be prepared into antistatic filtering material.After testing, the resistance on this antistatic filtering material top layer is 1 × 10
6Ω.
Embodiment 3:
(1) by aramid fiber long filament drying and processing 36h under 100 DEG C of conditions;
(2) aramid fiber long filament physical oil-removing 30min under the ultrasound field effect of 90kHz of will dry;
(3) carry out ion gun pre-treatment by through step aramid fiber long filament (2), the processing time is 20min;
(4) adopt physical gas-phase deposite method, by the silver-colored and nickel through step aramid fiber long filament plating layer of metal (3), individual layer plating layer thickness 1 μm;
(5) cut off through step aramid fiber long filament (4), shearing length is 51mm;
(6) mix through step aramid fiber (5) by mass parts=20:60:20 with polytetrafluoroethylene fibre, polyphenylene sulfide fibre mixing non-weaving cloth top layer raw material, then add the operations such as the non-woven fabricbase cloth of basalt fibre, acupuncture, sizing through shredding, combing, one-tenth net, centre, prepare antistatic filtering material.After testing, the resistance on this antistatic filtering material top layer is 1 × 10
8Ω.
Embodiment 4
(1) by polytetrafluoroethylfiber fiber filaments drying and processing 25h under 80 DEG C of conditions;
(2) polytetrafluoroethylfiber fiber filaments physical oil-removing 60min under the ultrasound field effect of 40kHz of will dry;
(3) carry out plasma pre-treatment 30min by through step polytetrafluoroethylfiber fiber filaments (2);
(4) adopt chemical plating method, by through step polytetrafluoroethylfiber fiber filaments plating layer of metal titanium (3), individual layer plating layer thickness 0.2 μm;
(5) cut off through step polytetrafluoroethylfiber fiber filaments (4), shearing length is 40mm;
By through step polytetrafluoroethylene fibre (5) and fiberglass non-woven cloth top layer raw material by mass parts=10:90 blending, then add the operations such as fiberglass non-woven fabricbase cloth, acupuncture, sizing through shredding, combing, one-tenth net, centre, be prepared into antistatic filtering material.After testing, the resistance on this antistatic filtering material top layer is 0.7 × 10
10Ω.
Embodiment 5
(1) by polyphenylene sulfide fibre long filament drying and processing 40h under 90 DEG C of conditions;
(2) polyimide fiber long filament physical oil-removing 40min under the ultrasound field effect of 30kHz of will dry;
(3) carry out corona pre-treatment 60min by through step polyphenylene sulfide fibre long filament (2);
(4) adopt vacuum deposition method, by through step polyphenylene sulfide fibre long filament plating layer of metal chromium (3), individual layer plating layer thickness 0.05 μm;
(5) cut off through step polyphenylene sulfide fibre long filament (4), shearing length is 65mm;
By through step polyphenylene sulfide fibre (5) and basalt fibre non-weaving cloth top layer raw material by mass parts=30:70 blending, then add the operations such as the non-woven fabricbase cloth of basalt fibre, acupuncture, sizing through shredding, combing, one-tenth net, centre, be prepared into antistatic filtering material.After testing, the resistance on this antistatic filtering material top layer is 2 × 10
6Ω.
Embodiment 6
(1) by filament of glass fiber drying and processing 35h under 100 DEG C of conditions;
(2) filament of glass fiber physical oil-removing 30min under the ultrasound field effect of 90kHz of will dry;
(3) carry out ion gun pre-treatment by through step filament of glass fiber (2), the processing time is 20min;
(4) adopt physical gas-phase deposite method, by through step filament of glass fiber plating layer of metal titanium (3) and chromium, individual layer plating layer thickness 1 μm;
(5) cut off through step filament of glass fiber (4), shearing length is 55mm;
(6) mix through step glass fibre (5) by mass parts=20:80 with aramid fiber non-weaving cloth top layer raw material, then add the operations such as fiberglass non-woven fabricbase cloth, acupuncture, sizing through shredding, combing, one-tenth net, centre, prepare antistatic filtering material.After testing, the resistance on this antistatic filtering material top layer is 1.7 × 10
8Ω.
Embodiment 7
(1) by basalt fiber long filament drying and processing 32h under 90 DEG C of conditions;
(2) basalt fiber long filament physical oil-removing 30min under the ultrasound field effect of 90kHz of will dry;
(3) carry out ion gun pre-treatment by through step basalt fiber long filament (2), the processing time is 20min;
(4) adopt the method for vacuum evaporation, by the silver-colored and chromium through step basalt fiber long filament plating layer of metal (3), plating layer thickness in monolayer 1 μm;
(5) cut off through step basalt fiber long filament (4), shearing length is 58mm;
(6) basalt fiber long filament step (5) cut off mixes by mass parts=20:80 with aramid fiber non-weaving cloth top layer raw material, then add the operations such as the non-woven fabricbase cloth of aramid fiber, acupuncture, sizing through shredding, combing, one-tenth net, centre, prepare antistatic filtering material.After testing, the resistance on this antistatic filtering material top layer is 1.2 × 10
8Ω.
Claims (10)
1. high temperature antistatic filtering material in a kind, comprise non-woven fabricbase cloth and top layer, it is characterized in that, described non-weaving cloth top layer forms electrostatic-proof function layer with the high temperature resistant chemical fiber filament blending through cutting off, described high temperature resistant chemical fiber filament surface plating metal level.
2. high temperature antistatic filtering material in one as claimed in claim 1, is characterized in that, described metal level be nickel, silver, titanium, chromium one or more, described metal level thickness in monolayer is 0.05 ~ 1 μm.
3. high temperature antistatic filtering material in one as claimed in claim 1, it is characterized in that, described high temperature resistant chemical fiber filament shearing length is 38 ~ 65mm.
4. high temperature antistatic filtering material in one as claimed in claim 1, is characterized in that, proportion by weight=(10-30) of described high temperature resistant chemical fiber filament and non-weaving cloth top layer raw material: (90-70).
5. high temperature antistatic filtering material in the one as described in claim 1 or 3, it is characterized in that, described high temperature resistant chemical fiber filament be aramid fiber, polytetrafluoroethylene fibre, polyimide fiber, polyphenylene sulfide fibre, glass fibre, basalt fibre one or more.
6. high temperature antistatic filtering material in one as claimed in claim 1, it is characterized in that, described non-woven fabricbase cloth and top layer raw material be aramid fiber, polytetrafluoroethylene fibre, polyimide fiber, polyphenylene sulfide fibre, glass fibre, basalt fibre one or more.
7. prepare as arbitrary in claim 1-6 as described in the method for high temperature antistatic filtering material, it is characterized in that, carry out as follows:
(1) high temperature resistant chemical fiber filament is dried 24 ~ 48h under 80 ~ 120 DEG C of conditions, to reduce its water content;
(2) by described for step (1) high temperature resistant chemical fiber filament physical oil-removing 30 ~ 60min under the ultrasound field effect of 20 ~ 90kHz, to remove the impurity such as the oil stain on its surface;
(3) by step (2) described high temperature resistant chemical fiber filament pre-treatment 20 ~ 60min, to improve the adhesion of itself and plating metal;
(4) by described for step (3) high temperature resistant chemical fiber filament plating layer of metal;
(5) the high temperature resistant chemical fiber filament of step (4) described plating metal level is cut off;
(6) by the high temperature resistant chemical fiber filament of step (5) through cutting off and the raw material blending of non-weaving cloth top layer, non-woven fabricbase cloth, acupuncture is added through shredding, combing, one-tenth net, centre, antistatic filtering material of shaping to obtain.
8. the preparation method of a kind of middle high temperature antistatic filtering material as claimed in claim 7, it is characterized in that, step (3) described pre-treatment is plasma treatment, ion gun process or sided corona treatment.
9. the preparation method of a kind of middle high temperature antistatic filtering material as claimed in claim 7, it is characterized in that, step (4) described plating is the one of chemical plating, vacuum evaporation, physical vapor deposition.
10. the preparation method of a kind of middle high temperature antistatic filtering material as claimed in claim 7, it is characterized in that, described antistatic filtering material skin resistance is 1 × 10
6~ 10
10Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410468408.1A CN104309210A (en) | 2014-09-15 | 2014-09-15 | Antistatic filtering material used at middle and high temperatures and preparation method thereof |
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| CN201410468408.1A CN104309210A (en) | 2014-09-15 | 2014-09-15 | Antistatic filtering material used at middle and high temperatures and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104645717A (en) * | 2015-02-05 | 2015-05-27 | 福建鑫华股份有限公司 | Novel antistatic filter material and preparation method thereof |
| CN109758830A (en) * | 2019-03-06 | 2019-05-17 | 江苏康隆迪超净科技有限公司 | A kind of anti-static inflaming-retarding PTFE acupuncture filter material and preparation method thereof |
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| CN109758830A (en) * | 2019-03-06 | 2019-05-17 | 江苏康隆迪超净科技有限公司 | A kind of anti-static inflaming-retarding PTFE acupuncture filter material and preparation method thereof |
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Application publication date: 20150128 |