| 发明名称 |
Semipermeable membrane with poly:phenylene:triazole gps, - used in micro-filtration, ultrafiltration, reversed osmosis, pervaporation, vapour permeation, and gas, liq. and vapour sepn. |
| 摘要 |
<p>A semi-permeable membrane contains repeating units of poly(phenylene)-triazole of formula (I) where R1, R2, R3 = H, halogen, N02, amine, amide, alkyl, alkoxy, acyl, CN, 0H, C00H and/or S03H; R4, R5 = aromatic hydrocarbon gps., opt. combined with heterocyclic gps.</p> |
