New polymer composite materials : XV International Scientific and Practical Conference "New Polymer Composite Materials" : selected, peer reviewed papers from the XV International Scientific and Practical Conference "New Polymeric Composite Materials" (NPCM) 2019), July 307, 2019, Nalchik, Russia - Khashirova, Svetlana; Zhansitov, Azamat; Vindizheva, Amina; Shetov, Ruslan (Trans Tech Publications Ltd, 2019)