PVC
PVC
???? ?????: ????: ??? ??? ?? ???? ????? ?????, ???? ????? ?? ????? ???????, ???? ?? ???? ????? ?????. ??????? ???? ??? ?????? ???? ?? ???? ??? ????? ??????????? ???? ?? viscosity ????? ???????? ???? ???? ?????? Adsorbability: ?? ?? ????? ???? ??? ????, ???? PVC ?? ????? ?? ?????, plasticizer ???? ???? ??????.
???? ??? ??? HPMC ????? ? PVC ???????? ????, ????? ??? ??? ?????? ????? ???? ?????? ????? ?? ??? ??? ???? ?????, ??? ??? ?? ??? ???? ????? ?? ??? ??? ?? ??? ????? ??? ???. ? ??? dispersant ???? ??? polyvinyl ???? (PVA) ????? ?? ??????? ?? hydroxypropyl methylcellulose (HPMC) ??? collocation ????? ??? ?? ????, ??? ?? ???? porosity ???? ?? ??, ?? plasticizer ???? ???? ??? ??? ??.
