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Degradation of respirable fibrils of poly(p-phenylene terephthalamide) by solar ultraviolet radiation

โœ Scribed by Warren F. Knoff


Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
551 KB
Volume
52
Category
Article
ISSN
0021-8995

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The preparation of ion-track membranes of thermally stable poly(p-phenylene terephthalamide) (PPTA) was performed by ion beam irradiation followed by chemical etching with a sodium hypochlorite solution. Cylindrical pores were observed in the membrane irradiated with 197 Au and 238 U ions at an ener