OPTIMAL CONDITIONS FOR GRAFT RADICAL COPOLYMERIZATION OF N-VINYLPIRROLIDON AND 4-VINYLPIRIDINE INTO CHITOSAN

Sh.Z. Tapdigov, N.A. Zeynalov, D.B. Tagiyev, S.F. Safaraliyeva, E.M. Gasimov, M.Kh. Hasanova, A.F. Nuraliyev, C.A. Sultanov