FEATURES OF THE REACTIONS BETWEEN LIGNOSULPHONATES AND POLYMERIC BASES IN AQUEOUS SOLUTIONSстатья
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Дата последнего поиска статьи во внешних источниках: 3 ноября 2016 г.
Аннотация:High-speed sedimentation has been used to investigate the properties and transformation of water-soluble polyelectrolyte complexes that are the products of incomplete reactions between high-molecular poly-N,N-dimethylaminoethyl methacrylate and lignosulphonates of sodium with various values of molecular mass. It is shown that the compact polyanions of the lignosulphonates are uniformly distributed among the linear macromolecules of the polyamine. It is found that, as the molecular mass of the lignosulphonates is increased, their association with the high-molecular chains of the poly-base becomes stronger.