DMA	N,N-dimethylacetamide
DMF	N,N-dimethylformamide
DMSO	dimethyl sulfoxide
DSC	differential scanning calorimetry
EDG	electron-donating group
EWG	electron-withdrawing group
ηinh	inherent viscosity
IPC	isophthaloyl dichloride
Mn, Mw	number-average and weight-average molecular masses
MPD	m-phenylenediamine
NMP	N-methyl-2-pyrrolidone
ODA	3,4-diaminodiphenyl ether
ODA/PPTA	3,4-diaminodiphenyl ether/poly(p-phenylene terephthalamide)
MPIA	poly(m-phenylene isophthalamide)
POSS	polyhedral oligomeric silsesquioxane
PPD	p-phenylenediamine
PPTA	poly(p-phenylene terephthalamide)
Tg	glass-transition temperature
Tm	melting temperature
TEG	tri(ethylene glycol) monomethyl ether
THF	tetrahydrofuran
TPA	triphenylamine
TPPA	N,N,N′,N′-tetraphenyl-1,4-phenylenediamine
TPC	terephthaloyl dichloride