00496naa#a2200181#i#450# EN\\bibl\92057 20260620030514.6 3034-4689 20241125b2024####ek#y0engy0150####ca RU HEVEA-PRODUCTS AND POLYPROPYLENE Journal article Kazan Kazan National Research Technological University 2024 6 с. Journal article local Gataullina L I Zenitova L. A. vestniktu.ru