???? ?????? ???????

???? ????? ???? ????? ?????? (PVC) ????? ?? HPMC ???? ??????? ???????? ??? ???? ????? ?????? ?? ???????? ???????? ????? ?????? ???????? ????? ????? ?????? ?????? ??????? ????? ??????? ????? ????????. ?? ???? ????? ????????? ???? ????? ?????? ???? ????? ?????? (PVA) ?????? ??????? ?? ?????? ??????? ???????? ?? ???????? ?????? ????? ?????? (HPMC) ????? ??? ????? ?????? ???????? ????? ?? ?????? ????????.