IHydroxypropyl methylcellulose HPMC ingathuthukisa kakhulu ukugcinwa kwamanzi odaka. Umthamo ophansi we-hydroxypropyl methylcellulose HPMC ungathuthukisa kakhulu izinga lokugcinwa kwamanzi odaka. Uma umthamo ungu-0.02%, izinga lokugcinwa kwamanzi liyakhuphuka lisuka ku-83 % lakhuphuka laya ku-88%; lapho umthamo wawungu-0.2%, izinga lokugcinwa kwamanzi lafinyelela ku-97%. Ngesikhathi esifanayo, okuqukethwe okuphansi kwe-HPMC kunciphisa kakhulu izinga le-delamination kanye nezinga lokuphuma kwegazi lodaka, okubonisa ukuthi i-HPMC ayikwazi nje ukuthuthukisa ukugcinwa kwamanzi othulini, kodwa futhi ithuthukise kakhulu ukuhlangana kodaka, okuyinto. ibalulekile ekufaneni kwekhwalithi yokwakha udaka. evumayo kakhulu.
Nokho, i-hydroxypropyl methylcellulose HPMC inezinga elithile lomthelela omubi emandleni aguquguqukayo namandla okucindezela odaka. Ngokukhula kokuqukethwe kwe-hydroxypropyl methylcellulose HPMC, amandla aguquguqukayo namandla okucindezela odaka kancane kancane ehla. Ngesikhathi esifanayo, i-hydroxypropyl methylcellulose HPMC ingakhuphula amandla okuqina odaka. Uma okuqukethwe kwe-hydroxypropyl methylcellulose HPMC kungaphakathi kwe-0.1%, amandla okuqina odaka akhula ngokuqhubekayo nokwanda kokuqukethwe kwe-HPMC, kuyilapho Uma okuqukethwe kudlula i-0.1%, amandla okudonsa ngeke asakhula kakhulu. I-Hydroxypropyl methylcellulose HPMC futhi ingakhuphula ngokuphawulekayo amandla ebhondi ephucayo yodaka. Ukwengeza u-0.2% we-HPMC kungenza amandla ebhondi yodaka asuke ku-0.72MPa anyuke aye ku-1.16MPa.
Ucwaningo luye lwabonisa ukuthi i-hydroxypropyl methylcellulose HPMC ingandisa kakhulu isikhathi sokupholisa sodaka futhi inciphise ngokuphawulekayo ukushelela kodaka, okuzuzisa kakhulu ekwakhiweni kokunamathisela amathayili. Uma i-HPMC ingengeziwe, amandla ebhondi odaka olupholile imizuzu engama-20 ehla ukusuka ku-0.72MPa ukuya ku-0.54MPa. Ngemva kokwengeza u-0.05% no-0.1% we-HPMC, amandla ebhondi yodaka olupholile imizuzu engu-20 ngu-0.8MPa no-0.84MPa, ngokulandelana. Uma i-HPMC ingengeziwe, ukushelela kodaka ngu-5.5mm. Ngokukhula kokuqukethwe kwe-HPMC, ukushelela kuncipha ngokuqhubekayo. Uma okuqukethwe kungu-0.2%, ukushelela kodaka kwehla ku-2.1mm, futhi ukushelela kuncipha kakhulu. Futhi okunye ukwakhiwa kongqimba oluncane kunikeza ukwesekwa kwezobuchwepheshe.
Ngaphezu kwalokho, i-hydroxypropyl methylcellulose HPMC ingavimbela ngokuphumelelayo ukwakheka kwemifantu yepulasitiki odakeni futhi inciphise kakhulu imifantu yepulasitiki. Uma okuqukethwe kwe-HPMC kuphansi, inkomba yokuqhekeka iyancipha kakhulu ngokunyuka kokuqukethwe kwe-HPMC. Uma okuqukethwe kwe-HPMC kungu-0.1% no-0.2%, inkomba yokuqhekeka ehlobene yodaka ingu-63% no-50%, ngokulandelanayo. Ngemuva kokuthi okuqukethwe kwe-HPMC kudlule i-0.2%, Imifantu yepulasitiki yodaka ayisancishiswa kakhulu.
Isikhathi sokuthumela: Apr-11-2023