I-HydroxyPOpyl Methylcelcelgalose Other (HPMC) iye yaba yinto ebalulekileyo yokufakelwa kwesamente ngenxa yepropathi yakhe ebalaseleyo kunye nezibonelelo zayo ezilungileyo. I-HPMC sisisele i-isupemed ye-ether eguqulweyo efunyenwe ngokunyanga i-selsulose nge-proplone oxide kunye ne methyl chloride. Ngumgubo omhlophe okanye omhlophe omhlophe owile emanzini ukwenza isisombululo se-viscous.
Ukongezwa kwe-HPMC kwisitekitya esisekwe kwisamente kuneengenelo zokuphuculwa kokusebenza, ukugcinwa kwamanzi, ixesha kunye namandla anyukayo. Ikwaphucula i-adherdation yokufakelwa kwindawo yokuthambisa kwaye inciphisa imifula. I-HPMC inobuhlobo bokusingqongileyo, ikhuselekile ukuyisebenzisa kwaye ingonakali.
Ukuphucula ukusebenza
Ubukho be-HPMC kwizifakethe ezisekwe kwisamente buyandisa ukungqinelana komxube, uyenzela lula ukwakha kunye nokusasazeka. Umthamo ophezulu wokugcina amanzi e-HPMC wenza ukuba udaka luhlale lungasebenzi ixesha elide. Oku kubaluleke kakhulu kwiimeko zemozulu ezishushu nezomileyo apho inkqubo yokwakha inokuba nzima.
Ukugcinwa kwamanzi
I-HPMC inceda ukugcina umswakama kumxube kangangexesha elide. Oku kubalulekile kuba amanzi licandelo elibalulekileyo ekuqinisenini i-qumence kunye nokuqinisekisa amandla alo kunye nokuqina. Ukunyuka komthamo wokuqhuba kwamanzi kuyingenelo ngakumbi kwiindawo ezinemifanekiso ephantsi okanye amaqondo obushushu aphezulu, apho amanzi e-Comarn anokuphuma ngokukhawuleza.
Beka ixesha
I-HPMC ihlengahlengisa ixesha lokuseta udaka olusekwe kwisamente ngokulawula inqanaba le-qumed. Oku kuphumela kwiiyure ezinde zomsebenzi, ukunika abasebenzi ixesha elaneleyo lokufaka isicelo kunye nokulungelelanisa udaka ngaphambi kokuba luseke. Ikwanceda ukusebenza okungaguqukiyo okungaguqukiyo kwiindawo ezahlukeneyo.
Ukonyuka kobuchule
Ukongezwa kwe-HPMC kukhuthaza ukwenziwa kwe-hydrate ye-hydrate ephezulu, ngaloo ndlela kuphucula ukuqina kunye namandla okudaka. Oku kungenxa yobukhulu obunyusiweyo bomaleko olwenziwe ngeenxa zonke kumasuntswana okuqala. Isakhiwo esakhiweyo kule nkqubo sizinzile ngakumbi, ngaloo ndlela siphucula umthwalo wokutshutshiswa komthwalo wodaka.
Ukuphucula ubumbethe
Ubukho be-HPMC kwizibuko ezisekwe kwisamente kuphucula umbilini phakathi kodaka kunye nodaka. Oku kungenxa yokwazi kuka-HPMC ukuba nesamente kunye nokuthambisa ukwenza iqhina elomeleleyo. Ngenxa yoko, ithuba lokuqhekeka okanye ukwahlulahlulo kwendawo encitshisiweyo kuncitshiswa kakhulu.
Ukunciphisa ukuqhekeka
Sebenzisa i-HPMC kwi-clumes-esekwe kwisamente kunyusa ukuguquguquka kwaye kunciphisa amathuba okuqhekeka. Oku kungenxa yokuqulunqa umaleko osemgangathweni oMgangatho ophezulu ovumela udaka ukuba uxhathise ukuqhekeza uxinzelelo kunye nokwandisa okanye ukuthathwa okanye ukuthanda okanye ukwenziwa okanye ukuthabathela ngokufanelekileyo. I-HPMC ikwanciphisa i-shrinkage, enye unobangela oqhelekileyo wokuqhekeka kwizifakelo ezisekwe kwisamente.
I-HPMC yindawo enobuhlobo kunye nokongezwa kwetyhefu edlala indima ebalulekileyo ekwandiseni ukusebenza kwesamente. Izibonelelo zayo zidlula kwiindleko zayo, kwaye ukusetyenziswa kwayo kuya kuphinda zithandwa kwishishini lokwakha. Amandla ayo okuphucula ukusebenza, ukugcinwa kwamanzi, ixesha lokuhlala, anyuse amandla, ukuphucula ubumbeka kwaye ukunciphisa ukuqhekeka kwenza ukuba kube yinxalenye yokusebenza ebalulekileyo.
IXESHA LOKUQALA: USep-20 ukuya ku-2023