Extended PTFE fabrics used as high-temperature filter clothes: manufacturing technique and chemical stability evaluation
| Autor: | Zong-Han Wu, Ching Wen Lou, Chien-Lin Huang, Ting-Ting Li, Yu-Ming Lee, Jia-Horng Lin |
|---|---|
| Rok vydání: | 2014 |
| Předmět: |
Polytetrafluoroethylene
Materials science Polymers and Plastics Materials Science (miscellaneous) Sulfuric acid Industrial and Manufacturing Engineering chemistry.chemical_compound chemistry Filter (video) Immersion (virtual reality) Low shrinkage Chemical stability Composite material General Agricultural and Biological Sciences Porosity Shrinkage |
| Zdroj: | The Journal of The Textile Institute. 106:793-799 |
| ISSN: | 1754-2340 0040-5000 |
| DOI: | 10.1080/00405000.2014.944819 |
| Popis: | Polytetrafluoroethylene (PTFE) bag filters can separate or capture particles due to their porous structure. This study fabricates extended PTFE (ePTFE) fabrics with combination of two twill weaves, two warp/weft ratios, and three picking densities, after which samples are thermally treated at 100, 200, and 300°C for 60 min or treated with 98% sulfuric acid for 30 and 60 min. Influences of these parameters on mechanical properties of resulting ePTFE filter clothes are then explored. Results show that filter clothes have shrinkage below 2 and 7% when treated at 200 and 300°C for 60 min, respectively. Immersion in 98% sulfuric acid for 60 min insignificantly change appearance of filter clothes made by 2/2 twill with a warp/weft ratio of 2 × 1, indicating that ePTFE filter clothes have good dimensional stability and low shrinkage rate. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|