CN110117908A - A kind of Teflon high temperature coating cloth, its production method and application - Google Patents
A kind of Teflon high temperature coating cloth, its production method and application Download PDFInfo
- Publication number
- CN110117908A CN110117908A CN201910335792.0A CN201910335792A CN110117908A CN 110117908 A CN110117908 A CN 110117908A CN 201910335792 A CN201910335792 A CN 201910335792A CN 110117908 A CN110117908 A CN 110117908A
- Authority
- CN
- China
- Prior art keywords
- fiber
- glass
- drying
- fabric
- high temperature
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0022—Glass fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/047—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with fluoropolymers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The present invention provides a kind of Teflon high temperature coating cloth, its production method and its applications, wherein method is the following steps are included: S1: being placed in after impregnating 8-10 minutes in deionized water solution and dries after glass-fiber-fabric is dried, the coupling agent of glass-fiber-fabric weight 0.8-1% is added in the deionized water solution；S2: the ptfe emulsion that concentration is 50% and 60% is prepared respectively；S3: impregnating for the first time: the glass-fiber-fabric after drying being put into 60% ptfe emulsion and is impregnated 2 minutes, dries after air-drying；Second of dipping: the glass-fiber-fabric after drying being put into 60% ptfe emulsion and is impregnated 2 minutes, is dried after air-drying；Third time impregnates: the glass-fiber-fabric after drying being put into 50% ptfe emulsion and is impregnated 2 minutes, is dried after air-drying；S4: the glass-fiber-fabric after drying is sintered simultaneously hot pressing.This Teflon high temperature coating cloth, its production method and its application, the lower continuous placement of the high tender feeling of Teflon high temperature coating cloth obtained, intensity is constant, lasts a long time.
Description
Technical field
The present invention relates to Teflon high temperature coating cloth technical field more particularly to a kind of Teflon high temperature coating cloth, its system
Make method and application.
Background technique
Polytetrafluoroethylene (PTFE) (PTFE) resin is that Pulan Kate (Plankett) doctor invented in 1938, by DuPont
Industrialized production is formally put into nineteen fifty.In PTFE molecule, fluorine atom is instead of the hydrogen atom in polyethylene, due to fluorine original
Sub- radius (0.064nm) be greater than hydrogen atom radius (0.028nm) so that carbon carbon bond by polyethylene plane, it is wide-spread
Tortuous conformation is torqued into the helical conformation of PTFE gradually, which is just enclosed in carbochain bone of the PTFE vulnerable to chemical attack
The closely protective layer of " fluoro " completely is formd outside frame, this makes the main chain of PTFE not by the invasion of extraneous any reagent,
To solvent resistance, chemical stability and the low cohesion energy density incomparable with other materials.PTFE has simultaneously
Preferable ductility when preferable thermal stability, chemical inertness, extremely low skin-friction coefficient, low temperature.But its creep resistance ability
It is poor, hydrophily is poor, processing difficulties, poor thermal conductivity, surface can wait greatly, these significantly limit the application of PTFE.Therefore, deep
Enter to study the property of PTFE, improve its processing performance, develop novel PTFE composite, it has also become the main research of PTFE at present
And developing direction, and various composite modification technologies are exactly the emphasis of current PTFE research and application.
When micro-wave oven etc. carries out food baking, temperature is higher, and easily-deformable under existing gasket high temperature, service life is shorter.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of Teflon high temperature coating cloth, its production method
And its application, the high tender feeling of Teflon high temperature coating cloth obtained is lower continuously to place, and intensity is constant, lasts a long time.
The technical scheme of the present invention is realized as follows:
A kind of production method of Teflon high temperature coating cloth, comprising the following steps:
S1: it is placed in after being impregnated 8-10 minutes in deionized water solution and dries after glass-fiber-fabric is dried, the deionization is water-soluble
The coupling agent of glass-fiber-fabric weight 0.8-1% is added in liquid；
S2: the ptfe emulsion that concentration is 50% and 60% is prepared respectively, with strainer filtering large particle, and is removed
Lotion surfactant foam；Be mixed in described 60% ptfe emulsion concentration be 40% epoxy phenolics lotion, poly- four
The weight ratio of vinyl fluoride lotion and epoxy phenolics lotion is 5:1, is mixed with concentration in described 50% ptfe emulsion
For 35% epoxy phenolics lotion, the weight ratio of ptfe emulsion and epoxy phenolics lotion is 5:1；
S3: impregnating for the first time: the glass-fiber-fabric after drying being put into 60% ptfe emulsion and is impregnated 2 minutes, wind
It is dried after dry；
Second of dipping: the glass-fiber-fabric after drying being put into 60% ptfe emulsion and is impregnated 2 minutes, after air-drying
Drying；
Third time impregnates: the glass-fiber-fabric after drying being put into 50% ptfe emulsion and is impregnated 2 minutes, after air-drying
Drying；
S4: the glass-fiber-fabric after drying is sintered simultaneously hot pressing.
Preferably, the coupling agent is silane coupling agent.
Preferably, before the S1, further includes:
Glass-fiber-fabric pretreatment
With the cation on hydrochloric acid removal glass-fiber-fabric surface；Glass-fiber-fabric surface and oil contaminant is cleaned with deionized water；Reuse from
Sub- water cleans glass-fiber-fabric surface impurity.
Preferably, before the coupling agent is added, further includes:
Coupling agent hydrolysis
Coupling agent is placed in deionized water, deionized water is added, and glacial acetic acid is added dropwise and adjusts pH value within the scope of 5-6,
Water bath with thermostatic control 1 hour.
Preferably, described to be sintered and hot pressing specifically includes:
The glass-fiber-fabric of drying is cooled to room temperature, keeps the temperature 2 hours after being warming up to 210 DEG C with 3 DEG C of the rate of heating up per minute,
2 hours are kept the temperature after being warming up to 280 DEG C again with 3 DEG C of the rate of heating up per minute；
Sintered glass-fiber-fabric is subjected to hot pressing under conditions of 360-370 DEG C of temperature, face pressure 3.75MPa.
The invention also provides a kind of Teflon high temperature coating cloth, by Teflon high temperature coating cloth described in any of the above embodiments
Production method be made.
The invention also provides a kind of application of Teflon high temperature coating cloth, the Teflon high temperature coating cloth is used for microwave
Gasket and/or oven piece.
Beneficial effects of the present invention:
Teflon high temperature coating cloth proposed by the present invention can be improved glass by being modified in production using coupling agent
The bond effect of fine cloth and polytetrafluoroethylene (PTFE) guarantees the use intensity of Teflon high temperature coating cloth.
Teflon high temperature coating cloth proposed by the present invention passes through to be impregnated three times, and porosity and water absorption rate can be effectively reduced,
To prevent from deforming.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
S1: it is placed in after being impregnated 8 minutes in deionized water solution and dries after glass-fiber-fabric is dried, in the deionized water solution
The coupling agent of glass-fiber-fabric weight 0.8% is added；
S2: the ptfe emulsion that concentration is 50% and 60% is prepared respectively, with strainer filtering large particle, and is removed
Lotion surfactant foam；Be mixed in described 60% ptfe emulsion concentration be 40% epoxy phenolics lotion, poly- four
The weight ratio of vinyl fluoride lotion and epoxy phenolics lotion is 5:1, is mixed with concentration in described 50% ptfe emulsion
For 35% epoxy phenolics lotion, the weight ratio of ptfe emulsion and epoxy phenolics lotion is 5:1；
S3: impregnating for the first time: the glass-fiber-fabric after drying being put into 60% ptfe emulsion and is impregnated 2 minutes, wind
It is dried after dry；
Second of dipping: the glass-fiber-fabric after drying being put into 60% ptfe emulsion and is impregnated 2 minutes, after air-drying
Drying；
Third time impregnates: the glass-fiber-fabric after drying being put into 50% ptfe emulsion and is impregnated 2 minutes, after air-drying
Drying；
S4: the glass-fiber-fabric after drying is sintered simultaneously hot pressing
Embodiment 2
S1: being placed in impregnate in deionized water solution after glass-fiber-fabric is dried and dry after ten minutes, the deionized water solution
The middle coupling agent that glass-fiber-fabric weight 1% is added；
S2: the ptfe emulsion that concentration is 50% and 60% is prepared respectively, with strainer filtering large particle, and is removed
Lotion surfactant foam；Be mixed in described 60% ptfe emulsion concentration be 40% epoxy phenolics lotion, poly- four
The weight ratio of vinyl fluoride lotion and epoxy phenolics lotion is 5:1, is mixed with concentration in described 50% ptfe emulsion
For 35% epoxy phenolics lotion, the weight ratio of ptfe emulsion and epoxy phenolics lotion is 5:1；
S3: impregnating for the first time: the glass-fiber-fabric after drying being put into 60% ptfe emulsion and is impregnated 2 minutes, wind
It is dried after dry；
Second of dipping: the glass-fiber-fabric after drying being put into 60% ptfe emulsion and is impregnated 2 minutes, after air-drying
Drying；
Third time impregnates: the glass-fiber-fabric after drying being put into 50% ptfe emulsion and is impregnated 2 minutes, after air-drying
Drying；
S4: the glass-fiber-fabric after drying is sintered simultaneously hot pressing.
Embodiment 3
S1: it is placed in after being impregnated 9 minutes in deionized water solution and dries after glass-fiber-fabric is dried, in the deionized water solution
The coupling agent of glass-fiber-fabric weight 1% is added；
S2: the ptfe emulsion that concentration is 50% and 60% is prepared respectively, with strainer filtering large particle, and is removed
Lotion surfactant foam；Be mixed in described 60% ptfe emulsion concentration be 40% epoxy phenolics lotion, poly- four
The weight ratio of vinyl fluoride lotion and epoxy phenolics lotion is 5:1, is mixed with concentration in described 50% ptfe emulsion
For 35% epoxy phenolics lotion, the weight ratio of ptfe emulsion and epoxy phenolics lotion is 5:1；
S3: impregnating for the first time: the glass-fiber-fabric after drying being put into 60% ptfe emulsion and is impregnated 2 minutes, wind
It is dried after dry；
Second of dipping: the glass-fiber-fabric after drying being put into 60% ptfe emulsion and is impregnated 2 minutes, after air-drying
Drying；
Third time impregnates: the glass-fiber-fabric after drying being put into 50% ptfe emulsion and is impregnated 2 minutes, after air-drying
Drying；
S4: the glass-fiber-fabric after drying is sintered simultaneously hot pressing.
Instantaneous heat resisting film-coating fastness is carried out to Teflon high temperature coating cloth made from above-described embodiment at 250 DEG C to try
It tests, as a result such as table 1
Table 1: overlay film fastness test
| Overlay film fastness | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Before test | 37/Kpa | 37.5/Kpa | 39/Kpa |
| After test | 36/Kpa | 37/Kpa | 38.6/Kpa |
As it can be seen that the variation of overlay film fastness is smaller after high temperature.
Teflon high temperature coating cloth made from above-described embodiment is taken respectively, is cut into the square of 6*6mm, edge polishing light
It is sliding, a hour is then dried in 110 DEG C of baking oven；Sample is placed on TMA instrument after the completion of cooling, 1~3g's is applied to it
Heavy burden.100 DEG C are warming up to from 0 with the rate of 10 DEG C/min.Record its XY axis thermal expansion coefficient.As a result such as table 2
The test of 2 thermal expansion coefficient of table
| Thermal expansion coefficient (ppm/ DEG C) | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| X-axis | 36 | 35 | 28 |
| Y-axis | 32 | 30 | 31 |
As it can be seen that XY axis thermal expansion coefficient is close, larger deformation will not occur at high temperature.
Finally, it should be noted that the foregoing is merely presently preferred embodiments of the present invention, it is merely to illustrate skill of the invention
Art scheme, is not intended to limit the scope of the present invention.Any modification for being made all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., are included within the scope of protection of the present invention.
Claims (7)
1. a kind of production method of Teflon high temperature coating cloth, which comprises the following steps:
S1: it is placed in after being impregnated 8-10 minutes in deionized water solution and dries after glass-fiber-fabric is dried, in the deionized water solution
The coupling agent of glass-fiber-fabric weight 0.8-1% is added；
S2: the ptfe emulsion that concentration is 50% and 60% is prepared respectively, with strainer filtering large particle, and removes lotion
Surfactant foam；The epoxy phenolics lotion that concentration is 40%, polytetrafluoroethyl-ne are mixed in described 60% ptfe emulsion
The weight ratio of alkene lotion and epoxy phenolics lotion is 5:1, is mixed with concentration in described 50% ptfe emulsion and is
The weight ratio of 35% epoxy phenolics lotion, ptfe emulsion and epoxy phenolics lotion is 5:1；
S3: impregnating for the first time: the glass-fiber-fabric after drying being put into 60% ptfe emulsion and is impregnated 2 minutes, after air-drying
Drying；
Second of dipping: the glass-fiber-fabric after drying being put into 60% ptfe emulsion and is impregnated 2 minutes, is dried after air-drying
It is dry；
Third time impregnates: the glass-fiber-fabric after drying being put into 50% ptfe emulsion and is impregnated 2 minutes, is dried after air-drying
It is dry；
S4: the glass-fiber-fabric after drying is sintered simultaneously hot pressing.
2. the production method of Teflon high temperature coating cloth as described in claim 1, which is characterized in that the coupling agent is silane
Coupling agent.
3. the production method of Teflon high temperature coating cloth as described in claim 1, which is characterized in that before the S1, also
Include:
With the cation on hydrochloric acid removal glass-fiber-fabric surface；Glass-fiber-fabric surface and oil contaminant is cleaned with deionized water；Reuse deionized water
Clean glass-fiber-fabric surface impurity.
4. the production method of Teflon high temperature coating cloth as described in claim 1, which is characterized in that the coupling agent is added
Before, further includes:
Coupling agent is placed in deionized water, deionized water is added, and glacial acetic acid is added dropwise and adjusts pH value within the scope of 5-6, constant temperature
Water-bath 1 hour.
5. the production method of Teflon high temperature coating cloth as described in claim 1, which is characterized in that described to be sintered simultaneously heat
Pressing element body includes:
The glass-fiber-fabric of drying is cooled to room temperature, keeps the temperature 2 hours after being warming up to 210 DEG C with 3 DEG C of the rate of heating up per minute, then with
The rate of 3 DEG C of heating keeps the temperature 2 hours after being warming up to 280 DEG C per minute；
Sintered glass-fiber-fabric is subjected to hot pressing under conditions of 360-370 DEG C of temperature, face pressure 3.75MPa.
6. a kind of Teflon high temperature coating cloth, which is characterized in that by the described in any item Teflon high temperature coating cloth of above-mentioned 1-6
Production method is made.
7. a kind of application of Teflon high temperature coating cloth as claimed in claim 7, which is characterized in that the Teflon high-temperature coating
Layer cloth is used for microwave gasket and/or oven piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910335792.0A CN110117908A (en) | 2019-04-24 | 2019-04-24 | A kind of Teflon high temperature coating cloth, its production method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910335792.0A CN110117908A (en) | 2019-04-24 | 2019-04-24 | A kind of Teflon high temperature coating cloth, its production method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110117908A true CN110117908A (en) | 2019-08-13 |
Family
ID=67521451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910335792.0A Withdrawn CN110117908A (en) | 2019-04-24 | 2019-04-24 | A kind of Teflon high temperature coating cloth, its production method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110117908A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391372A (en) * | 2020-03-23 | 2020-07-10 | 上海井辰复合材料有限公司 | Teflon cloth of composite PTFE membrane and preparation method and application thereof |
| CN112048918A (en) * | 2020-09-12 | 2020-12-08 | 浙江省天台天峰滤料有限公司 | Special heat-insulating cover cloth for durable electrolytic cell and preparation method |
| CN114059354A (en) * | 2021-10-25 | 2022-02-18 | 黄山美澳复合材料有限公司 | Process for preparing Teflon high-temperature cloth based on impregnation method |
| CN114130122A (en) * | 2021-11-04 | 2022-03-04 | 安徽世倾环保科技有限公司 | Polytetrafluoroethylene membrane-covered filter material with hydrophobic and oil-repellent functions and preparation method thereof |
| CN114605760A (en) * | 2022-03-29 | 2022-06-10 | 江苏博诚新科技材料有限公司 | Process for preparing polytetrafluoroethylene glass fiber breathable varnished cloth |
| CN116218010A (en) * | 2022-12-07 | 2023-06-06 | 中国电子科技集团公司第四十六研究所 | Preparation method of high-resin-content film |
-
2019
- 2019-04-24 CN CN201910335792.0A patent/CN110117908A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391372A (en) * | 2020-03-23 | 2020-07-10 | 上海井辰复合材料有限公司 | Teflon cloth of composite PTFE membrane and preparation method and application thereof |
| CN112048918A (en) * | 2020-09-12 | 2020-12-08 | 浙江省天台天峰滤料有限公司 | Special heat-insulating cover cloth for durable electrolytic cell and preparation method |
| CN112048918B (en) * | 2020-09-12 | 2021-10-26 | 浙江省天台天峰滤料有限公司 | Special heat-insulating cover cloth for durable electrolytic cell and preparation method |
| CN114059354A (en) * | 2021-10-25 | 2022-02-18 | 黄山美澳复合材料有限公司 | Process for preparing Teflon high-temperature cloth based on impregnation method |
| CN114059354B (en) * | 2021-10-25 | 2022-05-31 | 黄山美澳复合材料有限公司 | Process for preparing Teflon high-temperature cloth based on impregnation method |
| CN114130122A (en) * | 2021-11-04 | 2022-03-04 | 安徽世倾环保科技有限公司 | Polytetrafluoroethylene membrane-covered filter material with hydrophobic and oil-repellent functions and preparation method thereof |
| CN114605760A (en) * | 2022-03-29 | 2022-06-10 | 江苏博诚新科技材料有限公司 | Process for preparing polytetrafluoroethylene glass fiber breathable varnished cloth |
| CN116218010A (en) * | 2022-12-07 | 2023-06-06 | 中国电子科技集团公司第四十六研究所 | Preparation method of high-resin-content film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110117908A (en) | A kind of Teflon high temperature coating cloth, its production method and application | |
| EP3416511B1 (en) | Infrared-transparent porous polymer textile for human body cooling and heating | |
| CN104437126A (en) | Preparation method of super-hydrophobic polytetrafluoroethylene microporous membrane, membrane prepared by preparation method and application of super-hydrophobic polytetrafluoroethylene microporous membrane | |
| CN108147678A (en) | A kind of MOFs derives the preparation method of NiO electrochomeric films | |
| CN108641421A (en) | A kind of preparation method of graphene-based self-repairing super hydrophobic coating | |
| CN110272512A (en) | With low surface tension, low liquid viscosity and highly filled fluorinated ionomer dispersion | |
| CN103410001B (en) | Preparation method of self-cleaning cotton fabric based on light-induced polymer free radicals for degrading pollutants | |
| CN104072792A (en) | Super-hydrophobic polytetrafluoroethylene film | |
| CN109626954A (en) | A kind of heatproof damp-proof silicon dioxide silica aerogel composite material and its preparation method and application | |
| CN107963616A (en) | A kind of evaporator for sulphuric acid concentration | |
| EA000496B1 (en) | Gas permeable fabric | |
| CN110116528A (en) | A kind of Teflon is breathed freely conveyer belt and preparation method thereof | |
| CN103726322B (en) | Flue filtering material Final finishing intumescent coating glue, preparation method and using method | |
| CN108752046A (en) | A kind of dipping method preparing isostatic pressing formed graphite product | |
| CN108889142A (en) | A kind of polyvinyl alcohol-hydroxyethyl cellulose/polyacrylonitrile gas dehumidification membrane preparation method | |
| CN106431046A (en) | Roseite modified swelling preparation method | |
| CN111021049B (en) | Preparation method of fluorine-free super-hydrophobic photocatalytic ultraviolet-proof textile | |
| CN103322339A (en) | Corrosion-resistant steel pipe for water heater | |
| CN204644655U (en) | A kind of device utilizing nano silicon aqueous solution process Teflon high-temperature cloth | |
| CN113803892A (en) | Carbon-coated high-silica glass fiber photothermal conversion material, preparation method thereof, steam generator and application | |
| CN107652793B (en) | Exhaust or exhaust smoke exhaust pipeline for clean room and manufacturing method thereof | |
| CN105999351B (en) | Nano platinum web material and its manufacturing method and air purifier | |
| CN104032353B (en) | Aluminum alloy anodization and electrolytic coloring sealing technology | |
| CN218535929U (en) | ePTFE super oleophobic anti-oil seepage waterproof breathable film | |
| CN110205452A (en) | Hydrophobic steel plate of a kind of micron of octahedron/nano whiskers structure and preparation method thereof |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190813 |
|
| WW01 | Invention patent application withdrawn after publication |