{HEAD ~ This invention} relates to a pervaporation membrane and to {TAIL ~ an α fluoroacrylic acid polymer} of which the membrane is made 
relates to
{ HEAD ~ This invention } relates to a pervaporation membrane and to { TAIL ~ an α fluoroacrylic acid polymer } of which the membrane is made
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH