CN104290399A - Anti-static filtering material used at normal temperature and preparation method thereof - Google Patents
Anti-static filtering material used at normal temperature and preparation method thereof Download PDFInfo
- Publication number
- CN104290399A CN104290399A CN201410468615.7A CN201410468615A CN104290399A CN 104290399 A CN104290399 A CN 104290399A CN 201410468615 A CN201410468615 A CN 201410468615A CN 104290399 A CN104290399 A CN 104290399A
- Authority
- CN
- China
- Prior art keywords
- filtering material
- chemical fiber
- normal temperature
- fibre
- antistatic filtering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention provides an anti-static filtering material used at normal temperature and a preparation method thereof. The filtering material comprises a base cloth and a surface layer of a non-woven fabric, wherein the surface layer of the non-woven fabric is blended with chemical fiber filaments coated with metal layers on the surface to form an anti-static functional layer, and the metal layer is coated on the surface of the chemical fiber filament. The preparation method comprises the following steps: drying the chemical fiber filaments, deoiling physically, carrying out pretreatment, coating the metal layer, cutting off the chemical fiber filaments coated with the metal layers, blending with the surface layer of the non-woven fabric, then performing opening, carding and netting, adding the base cloth of the non-woven fabric in the middle, needling and shaping to obtain the anti-static filtering material. The anti-static filtering material has the advantages of low surface resistance, good uniformity, good binding force and the like, can be used for normal-temperature bag type dedusting in the fields of waste incineration, thermal power generation, cement, steel, chemical engineering, metallurgy and the like.
Description
Technical field
The present invention relates to fabrics for industrial use field, particularly relate to a kind of normal temperature antistatic filtering material and preparation method thereof.
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 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 normal temperature antistatic filtering material that a kind of sheet resistance is low, uniformity good, 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:
A kind of normal temperature antistatic filtering material, comprises non-woven fabricbase cloth and top layer, and described non-weaving cloth top layer forms electrostatic-proof function layer with the chemical fiber filament blending through cutting off, described 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, copper, silver, titanium, chromium one or more, described metal level thickness in monolayer is 0.05 ~ 1 μm.
Described chemical fiber filament shearing length is 38 ~ 65mm.
Mass ratio=(10-30) of described chemical fiber filament and non-weaving cloth top layer raw material: (90-70).
Described chemical fiber filament be polyster fibre, nylon fibre, polyvinyl chloride fibre fiber, acrylic fiber, vinylon fibre, polypropylene fiber one or more.
Described non-woven fabricbase cloth and top layer raw material be polyster fibre, nylon fibre, polyvinyl chloride fibre fiber, acrylic fiber, vinylon fibre, polypropylene fiber one or more.
Two of the object of the invention realizes by following technical measures:
A preparation method for normal temperature antistatic filtering material, is undertaken by following operating procedure:
(1) chemical fiber filament is dried 24 ~ 48h under 60 ~ 100 DEG C of conditions, to reduce its water content;
(2) by step (1) described 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 chemical fiber filament pre-treatment 20 ~ 60min, to improve the adhesion of itself and plating metal;
(4) by step (3) described chemical fiber filament plating layer of metal;
(5) chemical fiber filament of described for step (4) plating metal level is cut off;
(6) by the chemical fiber filament of step (5) described cut-out 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 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.
Antistatic filtering material prepared by the inventive method, has the advantages such as sheet resistance is low, uniformity good, adhesion is good, can be used for the normal temperature bag-type dusting 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 normal 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 polyster fibre long filament drying and processing 24h under 80 DEG C of conditions;
(2) polyster fibre 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 polyster fibre long filament (2);
(4) adopt chemical plating method, by through step polyster fibre long filament plating layer of metal nickel (3), individual layer plating layer thickness 0.1 μm;
(5) cut off through step polyster fibre long filament (4), shearing length is 38mm;
(6) (5) press mass parts=10:90 blending through the polyster fibre of cut-out and nylon fibre non-weaving cloth top layer raw material by through step, then add the operations such as the non-woven fabricbase cloth of nylon 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 1 × 10
10Ω.
Embodiment 2:
(1) by nylon fibre long filament drying and processing 48h under 100 DEG C of conditions;
(2) nylon fibre 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 nylon fibre long filament (2);
(4) adopt vacuum deposition method, by silver-colored through step nylon fibre long filament plating layer of metal (3), individual layer plating layer thickness 0.05 μm;
(5) cut off through step nylon fibre long filament (4), shearing length is 51mm;
By the nylon fibre long filament that (5) cuts off through step and nylon fibre non-weaving cloth top layer raw material by mass parts=20:80 blending, then add the operations such as the non-woven fabricbase cloth of nylon 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 0.8 × 10
8Ω.
Embodiment 3:
(1) by nylon fibre long filament drying and processing 36h under 60 DEG C of conditions;
(2) nylon fibre 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 nylon fibre long filament (2), the processing time is 20min;
(4) adopt physical gas-phase deposite method, by through step nylon fibre long filament plating layer of metal copper and mickel (3), individual layer plating layer thickness 1 μm;
(5) cut off through step nylon fibre long filament (4), shearing length is 65mm;
By (5) cut off through step nylon fibre long filament mix by mass parts=30:50:20 with polyster fibre, acrylic fiber mixing non-weaving cloth top layer raw material, then add the operations such as polyvinyl chloride fibre fiber non-woven base 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 1.4 × 10
6Ω.
Embodiment 4
(1) by polyvinyl chloride fibre fiber long filament drying and processing 24h under 80 DEG C of conditions;
(2) polyvinyl chloride fibre 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 polyvinyl chloride fibre fiber long filament (2);
(4) adopt chemical plating method, by through step polyvinyl chloride fibre fiber long filament plating layer of metal titanium (3), individual layer plating layer thickness 0.1 μm;
(5) cut off through step polyvinyl chloride fibre fiber long filament (4), shearing length is 45mm;
(6) (5) press mass parts=10:90 blending through the polyvinyl chloride fibre fiber of cut-out and vinylon fibre non-weaving cloth top layer raw material by through step, then add the operations such as the non-woven fabricbase cloth of vinylon 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 0.9 × 10
10Ω.
Embodiment 5
(1) by acrylic fiber long filament drying and processing 48h under 100 DEG C of conditions;
(2) acrylic 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 acrylic fiber long filament (2);
(4) adopt vacuum deposition method, by through step acrylic fiber long filament plating layer of metal chromium (3), individual layer plating layer thickness 0.05 μm;
(5) cut off through step acrylic fiber long filament (4), shearing length is 53mm;
By the acrylic fiber long filament that (5) cuts off through step and polypropylene fiber non-weaving cloth top layer raw material by mass parts=20:80 blending, then add the operations such as the non-woven fabricbase cloth of polypropylene fiber, 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
8Ω.
Embodiment 6
(1) by vinylon fibre long filament drying and processing 36h under 60 DEG C of conditions;
(2) vinylon fibre 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 vinylon fibre long filament (2), the processing time is 20min;
(4) adopt physical gas-phase deposite method, by the silver-colored and titanium through step vinylon fibre long filament plating layer of metal (3), individual layer plating layer thickness 1 μm;
(5) cut off through step vinylon fibre long filament (4), shearing length is 65mm;
By (5) cut off through step vinylon fibre long filament mix by mass parts=30:60:10 with polyster fibre, acrylic fiber mixing non-weaving cloth top layer raw material, then add the operations such as polyester fiber non-woven fabric base 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 × 10
6Ω.
Embodiment 7
(1) by polypropylene fiber long filament drying and processing 25h under 90 DEG C of conditions;
(2) polypropylene 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 polypropylene fiber long filament (2), the processing time is 20min;
(4) adopt physical gas-phase deposite method, by through step polypropylene fiber long filament plating layer of metal titanium (3) and chromium, individual layer plating layer thickness 1 μm;
(5) cut off through step polypropylene fiber long filament (4), shearing length is 62mm;
By (5) cut off through step polypropylene fiber long filament mix by mass parts=30:60:10 with polypropylene fiber non-weaving cloth top layer raw material, then add the operations such as the non-woven fabricbase cloth of polypropylene 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 2.9 × 10
6Ω.
Claims (10)
1. a normal temperature antistatic filtering material, comprises 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 chemical fiber filament blending through cutting off, described chemical fiber filament surface plating metal level.
2. a kind of normal temperature antistatic filtering material as claimed in claim 1, is characterized in that, described metal level be nickel, copper, silver, titanium, chromium one or more, described metal level thickness in monolayer is 0.05 ~ 1 μm.
3. a kind of normal temperature antistatic filtering material as claimed in claim 1, it is characterized in that, described chemical fiber filament shearing length is 38 ~ 65mm.
4. a kind of normal temperature antistatic filtering material as claimed in claim 1, is characterized in that, mass ratio=(10-30) of described chemical fiber filament and non-weaving cloth top layer raw material: (90-70).
5. a kind of normal temperature antistatic filtering material as described in claim 1 or 3, is characterized in that, described chemical fiber filament be polyster fibre, nylon fibre, polyvinyl chloride fibre fiber, acrylic fiber, vinylon fibre, polypropylene fiber one or more.
6. a kind of normal temperature antistatic filtering material as claimed in claim 1, is characterized in that, described non-woven fabricbase cloth and top layer raw material be polyster fibre, nylon fibre, polyvinyl chloride fibre fiber, acrylic fiber, vinylon fibre, polypropylene fiber one or more.
7. prepare as arbitrary in claim 1-6 as described in the method for normal temperature antistatic filtering material, it is characterized in that, carry out as follows:
(1) chemical fiber filament is dried 24 ~ 48h under 60 ~ 100 DEG C of conditions, to reduce its water content;
(2) by step (1) described 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 chemical fiber filament pre-treatment 20 ~ 60min, to improve the adhesion of itself and plating metal;
(4) by step (3) described chemical fiber filament plating layer of metal;
(5) chemical fiber filament of described for step (4) plating metal level is cut off;
(6) by the chemical fiber filament of step (5) described cut-out 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 normal 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 normal 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 normal 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 |
|---|---|---|---|
| CN201410468615.7A CN104290399B (en) | 2014-09-15 | A kind of room temperature antistatic filtering material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468615.7A CN104290399B (en) | 2014-09-15 | A kind of room temperature antistatic filtering material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104290399A true CN104290399A (en) | 2015-01-21 |
| CN104290399B CN104290399B (en) | 2017-01-04 |
Family
ID=
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0825287A1 (en) * | 1995-02-20 | 1998-02-25 | Toray Industries, Inc. | Nonwoven fabric and filter medium made thereof and process for producing it |
| CN101349007A (en) * | 2008-09-05 | 2009-01-21 | 山东天诺光电材料有限公司 | Conducting fiber and preparation method thereof |
| CN102051803A (en) * | 2009-11-10 | 2011-05-11 | 山东天诺光电材料有限公司 | Method for manufacturing silver-plated conductive fiber |
| CN202179906U (en) * | 2011-06-21 | 2012-04-04 | 江苏蓝天环保集团有限公司 | Podlon fiber high-temperature composite filter material |
| CN102505463A (en) * | 2011-11-09 | 2012-06-20 | 天诺光电材料股份有限公司 | Method for preparing silver-plated fiber fabric |
| CN202415868U (en) * | 2011-12-09 | 2012-09-05 | 天诺光电材料股份有限公司 | Antibacterial knitted fabric containing silver-coated fibers |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0825287A1 (en) * | 1995-02-20 | 1998-02-25 | Toray Industries, Inc. | Nonwoven fabric and filter medium made thereof and process for producing it |
| CN101349007A (en) * | 2008-09-05 | 2009-01-21 | 山东天诺光电材料有限公司 | Conducting fiber and preparation method thereof |
| CN102051803A (en) * | 2009-11-10 | 2011-05-11 | 山东天诺光电材料有限公司 | Method for manufacturing silver-plated conductive fiber |
| CN202179906U (en) * | 2011-06-21 | 2012-04-04 | 江苏蓝天环保集团有限公司 | Podlon fiber high-temperature composite filter material |
| CN102505463A (en) * | 2011-11-09 | 2012-06-20 | 天诺光电材料股份有限公司 | Method for preparing silver-plated fiber fabric |
| CN202415868U (en) * | 2011-12-09 | 2012-09-05 | 天诺光电材料股份有限公司 | Antibacterial knitted fabric containing silver-coated fibers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104118178B (en) | A kind of preparation method of PPS superfine fibre composite filtering material | |
| CN103055605B (en) | Purify Pm2.5 fine particle efficient needled filtering felt and manufacture method thereof | |
| CN105879494B (en) | A kind of high temperature resistant filter felt preparation method | |
| CN204147659U (en) | The non-woven fabricbase cloth of a kind of middle high temperature adds the filtering material of metalized fibers | |
| CN103191602A (en) | Anti-static polytetrafluoroethylene filter bag and preparation method thereof | |
| CN106906643A (en) | A kind of antistatic afterfinish method for non-weaving cloth | |
| CN105879493A (en) | Preparation method of composite filter material | |
| CN104307254B (en) | High temperature antistatic filtering material and preparation in one | |
| CN104289038B (en) | A kind of normal temperature filtering material of non-woven fabricbase cloth metalized and preparation | |
| CN204147664U (en) | A kind of normal temperature non-weaving cloth top layer adds the filtering material of metalized fibers | |
| CN208263628U (en) | A kind of laminated needled felt | |
| CN104309210A (en) | Antistatic filtering material used at middle and high temperatures and preparation method thereof | |
| CN104275035B (en) | A kind of room temperature antistatic filtering material and preparation | |
| CN104290399A (en) | Anti-static filtering material used at normal temperature and preparation method thereof | |
| CN204147660U (en) | A kind of middle high temperature non-weaving cloth top layer adds the filtering material of metalized fibers | |
| CN204147662U (en) | The filtering material of a kind of normal temperature non-weaving cloth coating metal process | |
| CN105032036A (en) | High-temperature-resistant filter material for heating boiler and preparation method for high-temperature-resistant filter material for heating boiler | |
| CN104290399B (en) | A kind of room temperature antistatic filtering material and preparation method thereof | |
| CN204147665U (en) | A kind of middle high temperature filtering material of non-woven fabricbase cloth metalized | |
| CN104275033B (en) | Filtering material for surface metallization of non-woven fabrics for medium/high temperature and preparation method of filtering material | |
| CN204147663U (en) | The non-woven fabricbase cloth of a kind of normal temperature adds the filtering material of metalized fibers | |
| CN204147658U (en) | The filtering material of a kind of middle high temperature non-weaving cloth coating metal process | |
| CN104289039B (en) | A kind of middle high temperature filtering material of non-woven fabricbase cloth metalized and preparation | |
| CN109550312A (en) | A kind of easy cleaning terylene needled felt | |
| CN101270530B (en) | Polyester filament yarn knitting cleaning cloth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |