Conclusions
The process of alkaline hydrolysis of nitrile groups in hydrazided Nitron fibre has been studied. It has been shown that introduction of hydrazidine groups into the polymer chain catalyzes the alkaline hydrolysis process because of a change in the basicity of the polymer chain.
A cation-exchange VION KN-1 fibre has been prepared with higher physico-mechanical properties, which still retains satisfactory sorptive properties.
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Additional information
Translated from Khimicheskie Volokna, No. 3, pp. 7–8, May–June, 1988.
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Barash, A.N., Kostina, T.F., Egorov, K.K. et al. Alkaline hydrolysis of nitrile groups in hydrazided nitron fibre. Fibre Chem 20, 158–160 (1989). https://doi.org/10.1007/BF00633042
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DOI: https://doi.org/10.1007/BF00633042