The non-sulfonated polymer PTAT showed two-step degradation.
The wide angle X-ray diffractogram of the homopolymer PTAT and the copolymer PTATSH-90 (both in dry and wet states) are shown in Fig.
A series of semifluorinated sulfonated polytriazole copolymers (PTATSH-XX) along with the analogous homopolymer (PTAT) were successfully synthesized by utilizing click polymerization reaction using a newly synthesized trifluoromethyl substituted diazide, sulfonated diazide DSDSDB and a bis-alkyne BPEBPA with varying degree of sulfonation (XX = 60, 70, 80, 90).
FT-IR spectra of homopolymer PTAT and PTATS-XX copolymers with different degrees of sulfonation.
(a) [sup.1]H NMR spectra (region of aromatic protons) of" PTAT, PTATSH-60,-70, -80, -90 (from top to bottom) recorded from DMSO-[d.sub.6], solutions at 30[degrees]C.