sup 1 11 sec sup 1______________________________________ 8 20 quat 3 38 3524 10 quat 3 84 6711 5 quat 3 12 1213 5 quat 4 5 9 4 9 517 20 co 170 3 640 24214 20 co 170 5 238 13623 10 co 170 3 2276 ______________________________________ as shown in table viii the solution viscosity increased at all compositions when the monomer concentration in the polymerization reactor was increased this was evident at all levels of maptac and with either surfactant type although no molecular weight determinations were made on these polymers it can be speculated that the observed increase in viscosity with monomer concentration was due to increased molecular weight table viii______________________________________effect of monomer concentrationexample maptac monomer viscosity cp 2677 ppmno mole wt 1 3 sec sup 1 11 sec sup 1______________________________________11 5 4 5 12 1210 5 9 0 48 2612 10 4 5 28 2524 10 9 0 84 67______________________________________ the effect of hydrophobic monomer content in the cationic polymer is shown in table ix for terpolymers containing 10 mole percent maptac it can be seen that as the level of c 8 am increases the solution viscosity increases this is believed to be due to intermolecular polymer associatd similar results were obtained for a series of terpolymers containing 20 mole percent maptac and a similar range of c 8 am again both series of polymers.