US 10,871,711 B2  167  168  -continued  r  0  0  F2  0  C  Y’s03- O  CF3  Mw ~9,600  Mw/Mn~ 1.93  Mw~ 10,100  Mw/Mn~ 1.69  Mw ~9,900  Mw/Mn~ 1.97  Mw~ 8,600  Mw/Mn~ 1.79  Mw~7,200  Mw/Mn~ 1.71  -continued  0  ---h  r  0  0  F2  0  C  y  ’--s03- O  CF3  Polymer 9  r  0  0  F2  0  C  y  ’--so3- o  CF3  Polymer 8  OH  Comparative Polymer 1  OH  OH  Comparative Polymer 2 