Modification of perfluorinated sulpho-cationite membranes with amines

Gladkikh, S. N.; Shifrina, R.R.; Popkov, Yu.M.; Тимашев, С. Ф.; Bazov, V. P.; Timofeyev, S.V.

doi:10.1016/0032-3950(84)90128-x

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Difference Between Adsorbents1

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“…Especially for the band at 1382 cm −1 , its intensity increased greatly with prolonged equilibration duration. This group was reported to be related to (1) ionogenic sulphonamide groups [36]; (2) bending vibration of methyl group [37]. In this paper we did not intend to exactly identify which speculation was correct, but tried to disclose a fact that the strong acidic solution indeed dissolved a portion of the GC adsorbent and thus resulted in the change of IR features of specific functional groups that were absent in the original form.…”

Section: Difference Between Adsorbentsmentioning

confidence: 76%