Effect of pendent bulky groups on pure- and sour mixed-gas permeation properties of triphenylamine-based polyimides
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DOI: 10.1016/j.seppur.2019.115713
Abstract: Abstract Three diamine triphenylamine-based monomers, 4,4′-diaminotriphenylamine (TPA), 4,4′-diamino-4″-(dimethylamino)triphenylamine (TPA(NMe2)), and 4,4′-diamino-4″-(tert-butyl)triphenylamine (TPA(t-Bu)) were reproduced in preparation for their 6FDA-based homopolyimides: 6FDA-TPA, 6FDA-TPA(NMe2) and 6FDA-TPA(t-Bu). The bulkiness effect of two pendent groups (dimethylamino and tert-butyl) on… read more here.
Keywords: gas; 6fda tpa; mixed gas; bulky ... See more keywords