CN109663413A - A kind of preparation method of high-temperature-resistant filtering material heat resisting film-coating - Google Patents
A kind of preparation method of high-temperature-resistant filtering material heat resisting film-coating Download PDFInfo
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- CN109663413A CN109663413A CN201910153962.3A CN201910153962A CN109663413A CN 109663413 A CN109663413 A CN 109663413A CN 201910153962 A CN201910153962 A CN 201910153962A CN 109663413 A CN109663413 A CN 109663413A
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- temperature
- filtrate
- overlay film
- nomex
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- 239000000463 material Substances 0.000 title claims abstract description 35
- 238000001914 filtration Methods 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000007888 film coating Substances 0.000 title claims abstract description 11
- 238000009501 film coating Methods 0.000 title claims abstract description 11
- 229920000784 Nomex Polymers 0.000 claims abstract description 39
- 239000004763 nomex Substances 0.000 claims abstract description 39
- 239000000706 filtrate Substances 0.000 claims abstract description 38
- 238000005096 rolling process Methods 0.000 claims abstract description 22
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 20
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 20
- 229920002748 Basalt fiber Polymers 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 13
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 11
- 238000004513 sizing Methods 0.000 claims abstract description 11
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920000642 polymer Polymers 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 238000007598 dipping method Methods 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 4
- 235000011194 food seasoning agent Nutrition 0.000 claims description 4
- 238000009432 framing Methods 0.000 claims description 4
- 238000007731 hot pressing Methods 0.000 claims description 4
- 239000012948 isocyanate Substances 0.000 claims description 4
- 150000002513 isocyanates Chemical class 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 4
- 239000007822 coupling agent Substances 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 9
- 230000014759 maintenance of location Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000003365 glass fiber Substances 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 150000004760 silicates Chemical class 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 210000003567 ascitic fluid Anatomy 0.000 abstract 1
- 238000012805 post-processing Methods 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- WCCJDBZJUYKDBF-UHFFFAOYSA-N copper silicon Chemical compound [Si].[Cu] WCCJDBZJUYKDBF-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229920006253 high performance fiber Polymers 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
- D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
-
- 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
Abstract
The invention belongs to fiber surface modification fields, and in particular to a kind of preparation method of the heat resisting film-coating of high-temperature-resistant filtering material.By polytetrafluoroethylene (PTFE), silane coupling agent, polyacrylate, nanometer silicate polymer, crosslinking agent and water, 11:1.5:5:12:5:65.5 is mixed by mass percentage, hybrid inorganic-organic overlay film liquid is obtained by stirring and ultrasonic disperse, then filtrate is impregnated in peritoneal fluid impregnated, pressure rolling, sizing, press polish post-processing, form overlay film on the fiber of filtrate.The present invention makes basalt fibre Nomex coated with film after 320 DEG C of high-temperature process, and strength retention promotes 20% or more, has been obviously improved the temperature tolerance of filtrate.The acid resistance of the silicates fiber such as basalt fibre and glass fibre effectively is enhanced, strength retention compared to the filtering material of non-overlay film improves 20% after the HCl solution corrosion of 2mol/L by present invention basalt fibre filtering material coated with film.
Description
Technical field
The invention belongs to fiber surface modification fields, and in particular to a kind of preparation of high-temperature-resistant filtering material heat resisting film-coating
Method.
Background technique
In recent years, requirement of the people to fine environment is increasingly urgent to, therefore country has also put into effect more stringent environment mark
Standard, everything is formed by pressure and greatly all falls in production enterprise.Carbon black, cement, waste incineration etc.
Industry requires to undertake great number cost for the processing of high-temperature flue gas.Since existing filtering material maximum operating temperature only has 200
DEG C or so, therefore enterprise first must first carry out cooling processing in high-temperature smoke filtering, this just improves the cost of production.Especially with
For the common SCR denitration process of dust treatment, due to the durothermic deficiency of filtering material, cause enterprise must be to sacrifice denitration
Catalyst service life is that cost just can guarantee good catalytic denitration efficiency.Develop mistake of the operating temperature at 300 DEG C or more
Filter material material is the only way for solving problem above.Although can expire by the high-performance fiber of new generation of representative of basalt fibre
The demand of 300 DEG C of foot or more high temperature filtration, but existing filtering material overlay film is pure organic matter, it is difficult to it bears such high
Temperature.
The heat resisting film-coating of filtrate requires on the basis of meeting basic processing performance and strainability, has higher resistance to
Warm nature.Although pure inoranic membrane is although corrosion-resistant, solvent resistant, high temperature resistant, since it is not only hard but also crisp thus not easy to be processed.
Therefore existing practicable scheme be inorganic constituents to be added in existing overlay film organic system, meet basic filtering and
While processing performance, reach better heat resistance.
Patent of invention CN101270546A discloses a kind of functional topical finishing method of high temperature flue gas filter material.This method is
By nanometer grade powder material and polytetrafluoroethyldispersion dispersion, silicone oil emulsion, fluorinated acrylate emulsion, it is mixed in a certain ratio,
It is sufficiently stirred, is uniformly mixed it.A certain amount of water is added, overlay film lotion is configured to.Finally by fiberglass needled mat
Or the filtering material of chemical fibre Nomex is impregnated and is handled in overlay film lotion, and high-temperature flue gas filtration material is made.
What patent of invention CN101624777A disclosed that aftertreatment of high-temperature flue gas filtration material uses silica containing covers
Film liquid.Specifically to containing polytetrafluoroethyldispersion dispersion, this methyl-silicone oil, polyacrylate aqueous solution in nanometer or micro- is added
The silica of meter level, the overlay film liquid of system.Filtering material is immersed in overlay film liquid, by pressure rolling, drying and thermal finalization, is being filtered
Material surface forms the overlay film containing silica.
Patent of invention CN203208798U discloses a kind of High-intensity low-stretchability polysulfonamide high-temperature-resmembrane membrane filter material.Wherein, it is
The heat resistance and filter efficiency for improving product, have used the water containing polytetrafluoroethylene (PTFE), polyacrylate, silicone oil and coupling agent
Solution carries out coating processing to PSA fiber Nomex.
Patent of invention CN101745277A discloses a kind of thermostable special dedusting bag coated with film.The product is by glass fibers
Wei Bu is made, and has one layer to be made of special resin, organic copper silicon, polyimide, polytetrafluoroethylene (PTFE) and graphite in private bag inner wall
Overlay film.
The heat resisting film-coating method of above-mentioned high-temperature smoke filtering material is all that inorganic component is added into organic overlay film medicament
To improve the heat resistance of product.The oxytolerant of dispersibility and associativity and inorganic constituents of the inorganic constituents in organic principle
Change, corrosion-resistance properties are lacking, to affect the performance of overlay film entirety.The present invention is in view of the above problems, select silicic acid poly-
Object is closed as inorganic constituents, makes heat resisting film-coating that there is better performance.
Summary of the invention
The purpose of the present invention is to provide a kind of high temperature resistant, resistance to strong acid corrosion, the high-temperature smoke filtrate overlay film material of resistance to oxidation
The preparation method of material, by a certain percentage with polytetrafluoroethylene (PTFE), polyacrylate, coupling agent and crosslinking agent by nanometer silicate polymer
Mixing, is added a certain amount of water, obtains hybrid inorganic-organic overlay film liquid by stirring and ultrasonic disperse, filtrate is impregnated in abdomen
It is post-processed in film liquid, forms overlay film on the fiber of filtrate.
Specific technical solution is that a kind of preparation method of the heat resisting film-coating of high-temperature-resistant filtering material comprises the following steps that
Step 1: the preparation of overlay film liquid
Polytetrafluoroethylene (PTFE), silane coupling agent, polyacrylate, nanometer silicate polymer, crosslinking agent and water are pressed into quality hundred
Divide to be placed in mixing container than 11:1.5:5:12:5:65.5 and mix, magnetic agitation under normal temperature and pressure, re-ultrasonic dispersion keeps it mixed
It closes uniformly, overlay film liquid is made；
Step 2: dipping
Using Nomex filtrate as overlay film matrix, Nomex filtrate is impregnated in the overlay film liquid made from step 1；
Step 3: pressure rolling
Nomex filtrate after dipping is subjected to pressure rolling at room temperature, pressure rolling pressure is 0.3~0.6Mpa, and pressure rolling speed is
6m/min；
Step 4: sizing
Nomex filtrate after pressure rolling carries out hot-air seasoning sizing by framing shaping machine, and setting temperature is 160~240
DEG C, setting time 2min；
Step 5: press polish
Nomex filtrate after sizing carries out smooth roll hot pressing by calender, and temperature is 230~260 DEG C, speed 15m/
Min, finally, overlay film are formed in Nomex filter material surface.
The silane coupling agent used in step 1 is A151 silane coupling agent；Crosslinking agent is the friendship of end-block type isocyanates
Join agent.
The Nomex filtrate is basalt fibre Nomex filtrate or fiberglass needled mat filtrate.
The beneficial effects of the present invention are:
1. the present invention is applied to the coating processing of basalt fibre Nomex, basalt fibre Nomex coated with film is made to exist
320 DEG C, after the high-temperature process of 90min, strength retention improves 20% or more.It has been obviously improved the temperature tolerance of filtrate.
2. of the invention effectively enhance the acid resistance of the silicates fiber such as basalt fibre and glass fibre.With basalt
For fiber filter material, by present invention basalt fibre filtering material coated with film after the HCl solution corrosion of 2mol/L
Strength retention improves 20% compared to the basalt fibre filtering material of non-overlay film.To preferably adapt to high-temperature smoke
Filter sour gas environment common in environment.
3. keeping coated filter material surface smooth due to the presence of polytetrafluoroethylene (PTFE) and nanometer materials, there is non-sticky property, be easy to
Deashing.
4. present invention process is simple, easy to implement, silicate polymer advantage of lower cost effectively reduces cost.
5. heat resisting film-coating filtrate can substantially reduce the cost of industrial waste gas processing, there is objective economic value.
Specific embodiment
Embodiment 1
Used overlay film matrix are as follows: basalt fibre Nomex filtrate.
1, the preparation of overlay film liquid
Formula for raw stock:
| Ingredient | Mass percent |
| Polytetrafluoroethylene (PTFE) | 11 |
| Silane coupling agent | 1.5 |
| Polyacrylate | 5 |
| Nanometer silicate polymer | 12 |
| Crosslinking agent | 5 |
| Water | 65.5 |
Preparation method:
Above-mentioned polytetrafluoroethylene (PTFE), silane coupling agent, polyacrylate, nanometer silicate polymer, crosslinking agent and water are set
In in mixing container, magnetic agitation 15min under normal temperature and pressure, re-ultrasonic dispersion 10min are uniformly mixed it, and overlay film liquid is made.
The silane coupling agent used is A151 silane coupling agent.Crosslinking agent is end-block type isocyanate crosslinking.
2, it impregnates
Using Nomex filtrate as overlay film matrix, Nomex filtrate is impregnated in the overlay film liquid made from step 1；
3, pressure rolling
Nomex filtrate after dipping is subjected to pressure rolling at room temperature, pressure rolling pressure is 0.6Mpa, and pressure rolling speed is 6m/
min；
4, it is formed
Nomex filtrate after pressure rolling carries out hot-air seasoning sizing by framing shaping machine, and setting temperature is 160 DEG C, ventilation
Drying time is 2min；
5, press polish
Nomex filtrate after sizing carries out smooth roll hot pressing by calender, and temperature is 230 DEG C, 15min ventilation solidification, most
Eventually, overlay film is formed in Nomex filter material surface.
After 320 DEG C, the high-temperature process of 90min, basalt fibre Nomex strength retention coated with film is 72.4%,
And the basalt fibre Nomex strength retention of non-overlay film is 50% or so, strength retention improves 20% or more, significantly
Improve the temperature tolerance of basalt fibre Nomex filtrate.
It being handled 3 hours in the HCl of 2mol/L, basalt fibre Nomex strength retention coated with film is 89%, and
The basalt fibre Nomex strength retention of non-overlay film is 65%~70%, effectively enhances basalt fibre Nomex filtrate
Acid resistance.
Embodiment 2
Used overlay film matrix are as follows: fiberglass needled mat filtrate.
1, the preparation of overlay film liquid
Formula for raw stock:
Preparation method:
Above-mentioned polytetrafluoroethylene (PTFE), silane coupling agent, polyacrylate, nanometer silicate polymer, crosslinking agent and water are set
In in mixing container, magnetic agitation 15min under normal temperature and pressure, re-ultrasonic dispersion 10min are uniformly mixed it, and overlay film liquid is made.
The silane coupling agent used is A151 silane coupling agent.Crosslinking agent is end-block type isocyanate crosslinking.
2, it impregnates
Using Nomex filtrate as overlay film matrix, Nomex filtrate is impregnated in the overlay film liquid made from step 1.
3, pressure rolling
Nomex filtrate after dipping is subjected to pressure rolling at room temperature, pressure rolling pressure is 0.6Mpa, and pressure rolling speed is 6m/
min。
4, it is formed
Nomex filtrate after pressure rolling carries out hot-air seasoning sizing by framing shaping machine, and setting temperature is 160 DEG C, ventilation
Drying time is 2min.
5, press polish
Nomex filtrate after sizing carries out smooth roll hot pressing by calender, and temperature is 230 DEG C, 15min ventilation solidification, most
Eventually, overlay film is formed in Nomex filter material surface.
Claims (4)
1. a kind of preparation method of the heat resisting film-coating of high-temperature-resistant filtering material, which is characterized in that comprise the following steps that
Step 1: the preparation of overlay film liquid
By mass percentage by polytetrafluoroethylene (PTFE), silane coupling agent, polyacrylate, nanometer silicate polymer, crosslinking agent and water
11:1.5:5:12:5:65.5 is placed in mixing in mixing container, magnetic agitation under normal temperature and pressure, and re-ultrasonic dispersion keeps its mixing equal
It is even, overlay film liquid is made；
Step 2: dipping
Using Nomex filtrate as overlay film matrix, Nomex filtrate is impregnated in the overlay film liquid made from step 1；
Step 3: pressure rolling
Nomex filtrate after dipping is subjected to pressure rolling at room temperature, pressure rolling pressure is 0.3~0.6Mpa, and pressure rolling speed is 6m/
min；
Step 4: sizing
Nomex filtrate after pressure rolling carries out hot-air seasoning sizing by framing shaping machine, and setting temperature is 160~240 DEG C, leads to
Wind drying time is 2min；
Step 5: press polish
Nomex filtrate after sizing carries out smooth roll hot pressing by calender, and temperature is 230~260 DEG C, speed 15m/min,
Finally, overlay film is formed in Nomex filter material surface.
2. preparation method according to claim 1, which is characterized in that the silane coupling agent used in step 1 is A151 silicon
Alkane coupling agent；Crosslinking agent is end-block type isocyanate crosslinking.
3. preparation method according to claim 1 or 2, which is characterized in that the Nomex filtrate is basalt fibre needle
Pierce lacing felt filter material or fiberglass needled mat filtrate.
4. using the heat resisting film-coating for the high-temperature-resistant filtering material that claims 1 or 2 or 3 the methods are prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153962.3A CN109663413A (en) | 2019-03-01 | 2019-03-01 | A kind of preparation method of high-temperature-resistant filtering material heat resisting film-coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153962.3A CN109663413A (en) | 2019-03-01 | 2019-03-01 | A kind of preparation method of high-temperature-resistant filtering material heat resisting film-coating |
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|---|---|
| CN109663413A true CN109663413A (en) | 2019-04-23 |
Family
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| CN201910153962.3A Pending CN109663413A (en) | 2019-03-01 | 2019-03-01 | A kind of preparation method of high-temperature-resistant filtering material heat resisting film-coating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055699A (en) * | 2019-05-13 | 2019-07-26 | 江苏菲斯特滤料有限公司 | A kind of final finishing device of filtering material |
| CN112625383A (en) * | 2020-12-12 | 2021-04-09 | 安徽新辰光学新材料有限公司 | Anti-yellowing LED lamp film and preparation method thereof |
| CN115748262A (en) * | 2022-08-27 | 2023-03-07 | 安徽省绩溪华林环保科技股份有限公司 | Surface coating process for prolonging service life of glass fiber |
| CN116173621A (en) * | 2023-02-16 | 2023-05-30 | 江苏奥凯环境技术有限公司 | Aramid fiber filter material for ultralow emission and production process thereof |
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| CN102921237A (en) * | 2012-11-08 | 2013-02-13 | 中材科技股份有限公司 | Process for manufacturing high-filtering, high-temperature-resistant and anti-corrosive membrane-covered hybrid fiber punched felt |
| CN103170183A (en) * | 2013-04-01 | 2013-06-26 | 中材科技股份有限公司 | High-intensity low-stretchability polysulfonamide high-temperature-resisting membrane filter material and preparation method thereof |
| WO2016041099A1 (en) * | 2014-09-19 | 2016-03-24 | 太仓苏纶纺织化纤有限公司 | Method for coating modified polyphenylene sulphide/polytetrachloroethylene on basalt fibre filter material in layers |
| CN108261838A (en) * | 2018-02-05 | 2018-07-10 | 安徽元琛环保科技股份有限公司 | A kind of special filtrate of waste incineration and its preparation method and application |
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2019
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| CN101270546A (en) * | 2008-05-08 | 2008-09-24 | 营口耐斯特滤料科技有限公司 | Functional topical finishing method for high temperature flue gas filter material |
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| CN116173621A (en) * | 2023-02-16 | 2023-05-30 | 江苏奥凯环境技术有限公司 | Aramid fiber filter material for ultralow emission and production process thereof |
| CN116173621B (en) * | 2023-02-16 | 2023-09-29 | 江苏奥凯环境技术有限公司 | Aramid fiber filter material for ultralow emission and production process thereof |
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Application publication date: 20190423 |