Table 8.2.
Influence of monomer type and contact time on the antimicrobial activity of grafted polypropylene fibers against E. coli (Badrossamay and Sun, 2009a). Values given are percentage bacteria reduction
| Average of diameter = 6 μm |
Average of diameter = 0.6 μm |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Contact time |
Contact time |
|||||||||
| 1 h | 2 h | 4 h | 8 h | 16 h | 1 h | 2 h | 4 h | 8 h | 16 h | |
| PP-g-ADMH | 5% | 25% | 20% | 30% | 45% | 30% | 40% | 45% | 68% | 80% |
| PP-g-NTBA | 85% | 99% | 100% | 100% | 100% | 90% | 100% | 100% | 100% | 100% |
| PP-g-AM | 5% | 35% | 30% | 60% | 70% | 40% | 42% | 40% | 70% | 80% |
| PP-g-MAM | 20% | 55% | 80% | 98% | 100% | 40% | 80% | 100% | 100% | 100% |
| PP-g-NDAM | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| PP-g-VBDMH | 30% | 58% | 50% | 80% | 90% | 25% | 50% | 80% | 82% | 99% |
PP-g-ADMH: PP = polypropylene; ADMH = 3-allyl-5,5-dimethylhydantoin.
PP-g-NTBA: NTBA = N-t-butyl-acrylamide.
PP-g-AM: AM = acrylamide.
PP-g-MAM: MAM = methacrylamide.
PP-g-NDAM: NDAM = 2, 4-diamino-6-diallylamino-1, 3, 5-triazine.
PP-g-VBDMH: VBDMH = 3-(4’-vinylbenzyl)-5, 5-dimethylhydantoin.