00675naa#a2200241#i#450# EN\\bibl\63637 20251003174121.5 3034-4689 20250801b2025####ek#y0engy0150####ca ENG RU MODIFICATION OF POLYAMIDE- 6 BY N, N'- BIS - MALEAMIDOACID Journal article Kazan Kazan National Research Technological University 2025 3 с. Journal article local . 678.675 ENG Prokopchuk N R Krut'ko E T Zhuravleva M V Stoyanov O V Shkodich V F Temnikova N E vestniktu.ru