Antistatic filtering material used at middle and high temperatures and preparation method thereof
A filter material and anti-static technology, applied in the field of industrial textiles, can solve the problems of less anti-static filter material, unstable anti-static performance, long production process, etc., and achieve easy large-scale mass production, poor operability, and long production process. Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0032] (1) Dry the aramid fiber filament at 80°C for 24 hours;
[0033] (2) Physically degrease the dried aramid fiber filament under the action of 40kHz ultrasonic field for 50min;
[0034] (3) Carrying out plasma pretreatment to the aramid fiber filaments of step (2) for 40 minutes;
[0035] (4) adopting the chemical plating method, the aramid fiber filament through step (3) is coated with a layer of metallic nickel, and the thickness of the single-layer coating is 0.1 μm;
[0036] (5) cutting off the aramid fiber filament through step (4), and the cutting length is 38mm;
[0037] ⑹ Blend the aramid fiber and glass fiber nonwoven surface layer raw materials in step ⑸ according to the mass ratio = 10:90, then open, card, form a web, add glass fiber nonwoven base cloth in the middle, acupuncture, and shape and other processes to prepare an antistatic filter material. After testing, the resistance of the surface layer of the antistatic filter material is 1×10 10 Ω.
Embodiment 2
[0039] (1) Dry the polyimide fiber filament at 120°C for 48 hours;
[0040] (2) Physically degrease the dried polyimide fiber filament under the action of 20kHz ultrasonic field for 60min;
[0041] (3) Carrying out corona pre-treatment to the polyimide fiber filament through step (2) for 60 minutes;
[0042] (4) adopting vacuum evaporation method, the polyimide fiber filament through step (3) is coated with a layer of metallic silver, and the thickness of the single-layer coating is 0.05 μm;
[0043] (5) cutting off the polyimide fiber filament through step (4), the cutting length is 65mm;
[0044] ⑹ Blend the polyimide fiber and polyimide fiber nonwoven fabric surface layer raw materials in step ⑸ by mass parts = 30:70, then open, card, form a web, and add polyimide fiber nonwoven fabric in the middle Anti-static filter materials are prepared through processes such as cloth base cloth, acupuncture, and shaping. After testing, the resistance of the surface layer of the anti...
Embodiment 3
[0046] (1) Dry the aramid fiber filament at 100°C for 36 hours;
[0047] (2) Physically degrease the dried aramid fiber filament under the action of 90kHz ultrasonic field for 30min;
[0048] (3) Perform ion source pretreatment on the aramid fiber filaments after step (2), and the treatment time is 20 minutes;
[0049] (4) adopting the physical vapor deposition method to coat the aramid fiber filament through step (3) with a layer of metal silver and nickel, and the thickness of the single-layer plating layer is 1 μm;
[0050] (5) cutting off the aramid fiber filament through step (4), and the cutting length is 51mm;
[0051] ⑹ Mix the aramid fiber, polytetrafluoroethylene fiber and polyphenylene sulfide fiber mixed non-woven fabric surface material in the step ⑸ according to mass parts = 20:60:20, and then open, card, form a net, add Basalt fiber non-woven fabric base fabric, acupuncture, shaping and other processes to prepare anti-static filter materials. After testing, t...
PUM
Property | Measurement | Unit |
---|---|---|
thickness | aaaaa | aaaaa |
electrical resistance | aaaaa | aaaaa |
length | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com