POP	polyphosphazene
PTFEP	Poly[bis(trifluoroethoxy)phosphazene]
PTFBP	Poly[bis(trifluorobutoxy)phosphazene]
POFPP	Poly[bis(octafluoropentyloxy)phosphazene]
FCC	fluid catalytic cracking
PV	pervaporation
PI	polyimide
PEG	polyethylene glycol
PEBAX	poly(ether-block-amide)
PDMS	polydimethylsiloxane
EC	ethylcellulose
PDCP	Poly(dichlorophosphazene)
HCCP	Hexachlorocyclotriphosphazene
THF	tetrahydrofuran
SD	swelling degree