Abstract— By polycondensation of dichloroanhydride of saccharin-5-carboxylic acids with aliphatic diamines in dimethylacetamide at room temperature the asymmetric polyamidosulfoimide has been synthesized. The influence of nature of solvent, concentration of the initial reagents and reaction temperature on value of characteristic viscosity and also on solubility, thermal stability and deformation-strength properties of the synthesized polyamidosulfoimides has been investigated. It has been elucidated that a growth of a quantity of methylene groups in the polymer leads to the improvement of solubility of the polymers in dimethylformamide and dimethylacetamide, but at the same time leads to the relative deterioration of thermal stability.
Keywords— aliphatic diamines, dichloroanhydride of saccharin-carboxylic acids, polyamidosulfoimide, saccharin-5-carboxylic acid.
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