CN109260828A - A kind of technique that PTFE superfine fibre Nomex eliminates electrostatic - Google Patents
A kind of technique that PTFE superfine fibre Nomex eliminates electrostatic Download PDFInfo
- Publication number
- CN109260828A CN109260828A CN201811024912.7A CN201811024912A CN109260828A CN 109260828 A CN109260828 A CN 109260828A CN 201811024912 A CN201811024912 A CN 201811024912A CN 109260828 A CN109260828 A CN 109260828A
- Authority
- CN
- China
- Prior art keywords
- superfine fibre
- filtrate
- ptfe superfine
- felt
- ptfe
- 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.)
- Pending
Links
Classifications
-
- 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
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
-
- 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
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0435—Electret
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The present invention provides a kind of technique that PTFE superfine fibre Nomex eliminates electrostatic, more particularly to the preparation method technical field of filtering material, it specifically includes: S1, anti-static agent being uniformly sprayed onto PTFE superfine fibre, sufficient shredding is carried out to PTFE superfine fibre again, then it is placed into stainless steel drum and is balanced placement, and stainless steel drum is made adequately grounded to discharge, then lapping is carried out using carding machine, grid-connected rear addition base fabric again, the total grammes per square metre of base fabric is 150-450g/m2, needle thorn or spun lacing are carried out, obtaining total grammes per square metre is 400-800g/m2 filtrate element felt；The upper and lower surface addition antistatic backing of S2, the filtrate element felt obtained in step sl.The present invention PTFE superfine fibre is added the modification that anti-static agent carries out fiber itself, while being equipped with antistatic backing in the outer surface of manufactured filtrate element felt, can greatly increase the scope of application, and be able to maintain good antistatic effect in the long-term use process simultaneously.
Description
Technical field
The invention belongs to the preparation method technical fields of filtering material, and in particular to a kind of PTFE superfine fibre Nomex disappears
The technique destaticed.
Background technique
With the continuous enhancing of environmental consciousness in world wide, air quality, air visibility etc. are increasingly by extensive
The process for comprehensively treating of research industrial dust is accelerated in concern, has a very important significance to ambient air quality is improved.Filtrate
As " heart " of bag-type dusting, the superiority and inferiority of performance determines the stability of whole system operation.Therefore, in comprehensive treatment steel
The industries such as iron smelting, waste incineration, coal-burning power plant, cement, chemical industry are there are when high-risk (flammable, explosive) flue dust, due to filtrate product
Poly- static sparking causes detonation the risks such as even to explode, so that more stringent requirements are proposed to the service performance of filtrate.PTFE is super
The one kind of fine fibre Nomex as filtrate, wherein PTFE fiber that is to say up to the present polytetrafluoroethylene fibre is the whole world
The best fiber of the chemical resistance that can be found, it extract from " fluorine " stone.Existing fiber needled felt removes electrostatic
Usually anti-electric layer is added in raw material i.e. fibre modification or in the filtrate element felt of acquisition in method, but due to by flue gas
The working conditions such as temperature, corrosive gas, humidity are affected, and the antistatic fiber needled felt application range of acquisition is relatively narrow,
And in the long-term use process, antistatic effect may be lost.
Therefore it is badly in need of a kind of technique that the PTFE superfine fibre Nomex for being able to solve existing issue eliminates electrostatic.
Summary of the invention
The object of the present invention is to provide the techniques that a kind of PTFE superfine fibre Nomex eliminates electrostatic, to PTFE superfine fibre
The modification that anti-static agent carries out fiber itself is added, while being equipped with antistatic backing, Neng Gou great in the outer surface of manufactured filtrate element felt
It is big to increase the scope of application, and it is able to maintain good antistatic effect in the long-term use process simultaneously.
The present invention provides the following technical solutions:
A kind of PTFE superfine fibre Nomex eliminates the technique of electrostatic, includes the following steps:
S1, anti-static agent is uniformly sprayed onto PTFE superfine fibre, then sufficient shredding is carried out to PTFE superfine fibre, so
After be placed into stainless steel drum and be balanced placement, and stainless steel drum is made adequately grounded to discharge, then using combing
Machine carries out lapping, then grid-connected rear addition base fabric, and the total grammes per square metre of base fabric is 150-450g/m 2, carries out needle thorn or spun lacing, obtains total gram
Weight is 2 filtrate element felt of 400-800g/m；
The upper and lower surface addition antistatic backing of S2, the filtrate element felt obtained in step sl.The PTFE superfine fibre of acquisition
Nomex has carried out antistatic process twice, so that anti-static ability greatly reinforces.
Preferably, antistatic backing described in step S2 is stainless steel stratum reticulare, and base fabric upper and lower faces in step S1
Nonwoven layers are symmetrically covered with, then carry out needle thorn or spun lacing again, obtain the filtrate element felt.Wherein, the stainless steel stratum reticulare
The satisfiable condition of steel wire are as follows: diameter 0.1-0.5mm, 0.01-0.1mm of thickness；The mesh diameter of stainless steel stratum reticulare exists
800-1500 mesh；
Preferably, the method for obtaining the PTFE superfine fibre Nomex containing the stainless steel stratum reticulare is as follows:
1) the filtrate element felt obtained in step S1 process is singed, thermal finalization, hot-rolled process, obtains dimensionally stable, surface
Smooth filtrate felt material, wherein the staple fiber villus on felt material surface is eliminated in processing of singing；Baking oven preliminary drying temperature is set as in thermal finalization
160-190 DEG C, preliminary drying time 5-10min；Baking temperature is 200-240 DEG C, and baking the time is 5-10min；Hot rolling roll temperature
It is 190-260 DEG C, for pressure in 0.2-0.6MPa, speed is 15-20 ms/min；
2) in the mixed liquor of the coating of filtrate element felt surface ptfe emulsion and coupling agent after processing, wherein even
The mass percent for joining agent is 0%-5%；Liquid cloth is adjusted than control between 3:1-1:1, at high temperature using poly- after pressure roller
Tetrafluoroethene melting makes stainless (steel) wire and filtrate felt material is compound obtains PTFE superfine fibre Nomex.Wherein, the coupling agent can
Think silicone oil.
Preferably, the antistatic backing is nano metal layer.
Preferably, the method for obtaining the PTFE superfine fibre Nomex of the antistatic containing the nano metal layer is as follows:
1) the filtrate element felt that step 1 obtains steadily is passed through into spray head, mixed liquor is made uniformly to be coated to the surface of filtrate element felt,
Filtrate felt material is obtained, liquid cloth ratio is adjusted, makes its ratio between 1:1-0.1:1, spray coating liquor are as follows: Nano metal powder or nano metal
The aqueous solution of oxide, wherein the matter component hundred of water is than being 40%-60%；The Nano metal powder or nano-metal-oxide
It can be average grain diameter in one of 50-200 nanometers of copper, silver, zinc, aluminium, antimony oxide and tin oxide, the spray coating liquor
Comprising one or both of emulsifier, coupling agent mixture, hundred ratio of matter component of emulsifier and coupling agent is 0%-3%.
2) the filtrate felt material for coating mixed liquor is subjected to preliminary drying and baked, dry the moisture of filtrate felt material excess surface, dried
Case preliminary drying temperature is 150-190 DEG C；Baking temperature be 200-240 DEG C, criteria thus the drying time 6-10min, then by hot roll into
Row hot rolling, hot pressing roll temperature are 190-260 DEG C, and pressure obtains PTFE superfine fibre Nomex in 0.2-0.6MPa.
The beneficial effects of the present invention are: PTFE superfine fibre is added the modification of anti-static agent progress fiber itself, while
The outer surface of manufactured filtrate element felt is equipped with antistatic backing, can greatly increase the scope of application, and used simultaneously in long-term
Good antistatic effect is able to maintain in journey.
Specific embodiment
Embodiment 1
A kind of PTFE superfine fibre Nomex eliminates the technique of electrostatic, includes the following steps:
S1, anti-static agent is uniformly sprayed onto PTFE superfine fibre, then sufficient shredding is carried out to PTFE superfine fibre, so
After be placed into stainless steel drum and be balanced placement, and stainless steel drum is made adequately grounded to discharge, then using combing
Machine carries out lapping, then grid-connected rear addition base fabric, base fabric upper and lower faces are symmetrically covered with nonwoven layers, and the total grammes per square metre of base fabric is 150-
450g/m 2 carries out needle thorn or spun lacing, and obtaining total grammes per square metre is 2 filtrate element felt of 400-800g/m；
The upper and lower surface addition antistatic backing of S2, the filtrate element felt obtained in step sl, the antistatic backing is stainless
Steel mesh layer, wherein the satisfiable condition of steel wire of the stainless steel stratum reticulare are as follows: diameter 0.1-0.5mm, thickness 0.01-
0.1mm；The mesh diameter of stainless steel stratum reticulare is in 800-1500 mesh；
Specifically, the method for obtaining the PTFE superfine fibre Nomex containing the stainless steel stratum reticulare is as follows:
1) the filtrate element felt obtained in step S1 process is singed, thermal finalization, hot-rolled process, obtains dimensionally stable, surface
Smooth filtrate felt material, wherein the staple fiber villus on felt material surface is eliminated in processing of singing；Baking oven preliminary drying temperature is set as in thermal finalization
160-190 DEG C, preliminary drying time 5-10min；Baking temperature is 200-240 DEG C, and baking the time is 5-10min；Hot rolling roll temperature
It is 190-260 DEG C, for pressure in 0.2-0.6MPa, speed is 15-20 ms/min；
2) in the mixed liquor of the coating of filtrate element felt surface ptfe emulsion and coupling agent after processing, wherein even
The mass percent for joining agent is 0%-5%；Liquid cloth is adjusted than control between 3:1-1:1, at high temperature using poly- after pressure roller
Tetrafluoroethene melting makes stainless (steel) wire and filtrate felt material is compound obtains PTFE superfine fibre Nomex.Wherein, the coupling agent can
Think silicone oil.
Embodiment 2
A kind of PTFE superfine fibre Nomex eliminates the technique of electrostatic, includes the following steps:
S1, anti-static agent is uniformly sprayed onto PTFE superfine fibre, then sufficient shredding is carried out to PTFE superfine fibre, so
After be placed into stainless steel drum and be balanced placement, and stainless steel drum is made adequately grounded to discharge, then using combing
Machine carries out lapping, then grid-connected rear addition base fabric, and the total grammes per square metre of base fabric is 150-450g/m 2, carries out needle thorn or spun lacing, obtains total gram
Weight is 2 filtrate element felt of 400-800g/m；
The upper and lower surface addition antistatic backing of S2, the filtrate element felt obtained in step sl.The antistatic backing is nanometer
Metal layer.
Specifically, the method for obtaining the PTFE superfine fibre Nomex of the antistatic containing the nano metal layer is as follows:
1) the filtrate element felt that step 1 obtains steadily is passed through into spray head, mixed liquor is made uniformly to be coated to the surface of filtrate element felt,
Filtrate felt material is obtained, liquid cloth ratio is adjusted, makes its ratio between 1:1-0.1:1, spray coating liquor are as follows: Nano metal powder or nano metal
The aqueous solution of oxide, wherein the matter component hundred of water is than being 40%-60%；The Nano metal powder or nano-metal-oxide
It can be average grain diameter in one of 50-200 nanometers of copper, silver, zinc, aluminium, antimony oxide and tin oxide, the spray coating liquor
Comprising one or both of emulsifier, coupling agent mixture, hundred ratio of matter component of emulsifier and coupling agent is 0%-3%.
2) the filtrate felt material for coating mixed liquor is subjected to preliminary drying and baked, dry the moisture of filtrate felt material excess surface, dried
Case preliminary drying temperature is 150-190 DEG C；Baking temperature be 200-240 DEG C, criteria thus the drying time 6-10min, then by hot roll into
Row hot rolling, hot pressing roll temperature are 190-260 DEG C, and pressure obtains PTFE superfine fibre Nomex in 0.2-0.6MPa.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to the foregoing embodiments
Invention is explained in detail, for those skilled in the art, still can be to foregoing embodiments institute
The technical solution of record is modified or equivalent replacement of some of the technical features.It is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. the technique that a kind of PTFE superfine fibre Nomex eliminates electrostatic, which comprises the steps of:
S1, anti-static agent is uniformly sprayed onto PTFE superfine fibre, then sufficient shredding is carried out to PTFE superfine fibre, then will
It, which is placed into stainless steel drum, is balanced placement, and stainless steel drum is made adequately grounded to discharge, then using carding machine into
Row lapping, then grid-connected rear addition base fabric, the total grammes per square metre of base fabric is 150-450g/m2, carries out needle thorn or spun lacing, obtaining total grammes per square metre is
400-800g/m2 filtrate element felt；
The upper and lower surface addition antistatic backing of S2, the filtrate element felt obtained in step sl.
2. the technique that PTFE superfine fibre Nomex according to claim 1 eliminates electrostatic, which is characterized in that in step S2
The antistatic backing is stainless steel stratum reticulare, and the base fabric upper and lower faces in step S1 are symmetrically covered with nonwoven layers, then
Needle thorn or spun lacing are carried out again, obtain the filtrate element felt.
3. the technique that PTFE superfine fibre Nomex according to claim 2 eliminates electrostatic, which is characterized in that contained
The method of the PTFE superfine fibre Nomex of the stainless steel stratum reticulare is as follows:
1) the filtrate element felt obtained in step S1 process is singed, thermal finalization, hot-rolled process, obtains dimensionally stable, surfacing
Filtrate felt material, wherein singe processing eliminate felt material surface staple fiber villus；Baking oven preliminary drying temperature is set as 160- in thermal finalization
190 DEG C, preliminary drying time 5-10min；Baking temperature is 200-240 DEG C, and baking the time is 5-10min；Hot rolling roll temperature is
190-260 DEG C, for pressure in 0.2-0.6MPa, speed is 15-20 ms/min；
2) in the mixed liquor of the coating of filtrate element felt surface ptfe emulsion and coupling agent after processing, wherein coupling agent
Mass percent be 0%-5%；Liquid cloth is adjusted than controlling between 3:1-1:1, utilizes polytetrafluoro at high temperature after pressure roller
Ethylene melting makes stainless (steel) wire and filtrate felt material is compound obtains PTFE superfine fibre Nomex.
4. the technique that PTFE superfine fibre Nomex according to claim 1 eliminates electrostatic, which is characterized in that it is described prevent it is quiet
Electric layer is nano metal layer.
5. the technique that PTFE superfine fibre Nomex according to claim 4 eliminates electrostatic, which is characterized in that contained
The method of the PTFE superfine fibre Nomex of the antistatic of the nano metal layer is as follows:
1) the filtrate element felt that step 1 obtains steadily is passed through into spray head, so that mixed liquor is uniformly coated to the surface of filtrate element felt, obtains
Filtrate felt material adjusts liquid cloth ratio, makes its ratio between 1:1-0.1:1, spray coating liquor are as follows: Nano metal powder or nano metal oxide
The aqueous solution of object, wherein the matter component hundred of water is than being 40%-60%；
2) the filtrate felt material for coating mixed liquor is subjected to preliminary drying and baked, dry the moisture of filtrate felt material excess surface, baking oven is pre-
Drying temperature is 150-190 DEG C；Baking temperature is 200-240 DEG C, criteria thus the drying time 6-10min, then carries out heat by hot roll
It rolls, hot pressing roll temperature is 190-260 DEG C, and pressure obtains PTFE superfine fibre Nomex in 0.2-0.6MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811024912.7A CN109260828A (en) | 2018-09-04 | 2018-09-04 | A kind of technique that PTFE superfine fibre Nomex eliminates electrostatic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811024912.7A CN109260828A (en) | 2018-09-04 | 2018-09-04 | A kind of technique that PTFE superfine fibre Nomex eliminates electrostatic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109260828A true CN109260828A (en) | 2019-01-25 |
Family
ID=65188148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811024912.7A Pending CN109260828A (en) | 2018-09-04 | 2018-09-04 | A kind of technique that PTFE superfine fibre Nomex eliminates electrostatic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109260828A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092238A (en) * | 2020-07-16 | 2020-12-18 | 宁波诺丁汉新材料研究院有限公司 | 3D printing wire rod for recycling carbon fiber reinforced polyamide and preparation method and application thereof |
| CN114159888A (en) * | 2021-11-19 | 2022-03-11 | 安徽元琛环保科技股份有限公司 | Manufacturing method of anti-static filter material and anti-static filter material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184513A (en) * | 1995-03-16 | 1998-06-10 | 金伯利-克拉克环球有限公司 | Nonwoven laminate barrier material |
| CN1982523A (en) * | 2005-12-16 | 2007-06-20 | 厦门三维丝环保工业有限公司 | Production of needled filtering felt of polytef fibre |
| CN103341290A (en) * | 2013-08-01 | 2013-10-09 | 南京际华三五二一环保科技有限公司 | Preparation method of filtering material for electrostatic excitation bag-type dust remover |
| CN103357214A (en) * | 2013-08-01 | 2013-10-23 | 南京际华三五二一环保科技有限公司 | Preparation method of antistatic filter material for flue gas filtration |
-
2018
- 2018-09-04 CN CN201811024912.7A patent/CN109260828A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184513A (en) * | 1995-03-16 | 1998-06-10 | 金伯利-克拉克环球有限公司 | Nonwoven laminate barrier material |
| CN1982523A (en) * | 2005-12-16 | 2007-06-20 | 厦门三维丝环保工业有限公司 | Production of needled filtering felt of polytef fibre |
| CN103341290A (en) * | 2013-08-01 | 2013-10-09 | 南京际华三五二一环保科技有限公司 | Preparation method of filtering material for electrostatic excitation bag-type dust remover |
| CN103357214A (en) * | 2013-08-01 | 2013-10-23 | 南京际华三五二一环保科技有限公司 | Preparation method of antistatic filter material for flue gas filtration |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092238A (en) * | 2020-07-16 | 2020-12-18 | 宁波诺丁汉新材料研究院有限公司 | 3D printing wire rod for recycling carbon fiber reinforced polyamide and preparation method and application thereof |
| CN114159888A (en) * | 2021-11-19 | 2022-03-11 | 安徽元琛环保科技股份有限公司 | Manufacturing method of anti-static filter material and anti-static filter material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1254449A (en) | Fire resistant thermal insulating structure and garments produced therefrom | |
| CN109260828A (en) | A kind of technique that PTFE superfine fibre Nomex eliminates electrostatic | |
| CN106582112B (en) | A kind of semi-dry desulphurization gas cleaning filtrate and preparation method thereof | |
| CN108301201A (en) | The preparation method of graphene compound nonwoven cloth | |
| CN102784517B (en) | Ultra-fine glass fiber coated substrate and preparation method thereof | |
| CN105642017B (en) | A kind of polytetrafluoroethylene (PTFE) self-assembled coating filtrate and preparation method thereof | |
| CN101929080B (en) | Antistatic water permeability resistant coated fabric | |
| CN101804274B (en) | Spunlace non-woven fabric composite filter material and manufacturing method thereof | |
| CN104762725B (en) | Grease proofing cotton-polyester blend fabric refusing water of a kind of anti-static inflaming-retarding and preparation method thereof | |
| JPS61149217A (en) | Chemical resistant filter material | |
| CN102580402B (en) | Method for preparing pyrohydrolysis resisting polyimide fiber filter material | |
| CN109603306A (en) | A kind of catalysis membrane-laminated fiberglass filter media and preparation method thereof | |
| CN104195775A (en) | Antistatic finishing method for polyester fiber shell fabric | |
| CN202480468U (en) | Inflaming retarding activated carbon cloth | |
| CN103357214A (en) | Preparation method of antistatic filter material for flue gas filtration | |
| CN105879493A (en) | Preparation method of composite filter material | |
| CN110241628A (en) | A kind of anti-soda acid functional fabric of flame-retardant and anti-static and preparation method thereof | |
| CN101914849A (en) | Aluminum hydroxide sol-coated high-temperature-resistant fiber fabric and preparation method thereof | |
| CN105970626A (en) | Permanently antistatic fabric | |
| CN1896371A (en) | Non-woven woolen lining cloth and its production | |
| CN109972226A (en) | A kind of antistatic polytetrafluoroethylpiping fiber and preparation method thereof | |
| CN207270890U (en) | A kind of pre-oxidized polyacrylonitrile fiber high temperature resistant bag-type dusting filtrate | |
| CN104338379A (en) | Preparation method for synthetic-fiber filter felt | |
| CN109550313A (en) | A kind of silicone oil processing glass fibre filtrate | |
| CN109550312A (en) | A kind of easy cleaning terylene needled felt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190125 |
|
| RJ01 | Rejection of invention patent application after publication |