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Copolymers of the poly(N,N dimethyl N,N diallylammonium chloride) macromono mer (1´) with acrylamide (2) with a high content of cationic groups (up to 50%) were synthe sized. The relative activities r 1´ and r 2 were calculated. The relative activities calculated by the Kelen-Tudos (r 1´ = 0.057±0.009, r 2 = 1.57±0.12) and Feynman-Ross (r 1´ = 0.055±0.011, r 2 = 1.58±0.14) methods are in accordance. The intrinsic viscosity and the yield of copolymers were found to decrease with an increase in the molar fraction of macromonomer 1´ in the monomer mixture.

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