I-Vitamin ether yeyona nto isetyenziswa ngokuqhelekileyo kwi-powder mortar. I-Hydroxypropyl methyl cellulose ether idlala indima ebalulekileyo kwi-powder mortar eyomileyo. Emva kokuba i-cellulose ether kwi-mortar ichithwe emanzini, iglue iqinisekisiwe ngenxa yomsebenzi ongaphezulu. Izinto ze-coagulant zisebenza ngokufanelekileyo kwaye zihanjiswe ngokulinganayo kwinkqubo, kunye ne-hydroxypropyl methylcellulose ether, njenge-colloid ekhuselayo, "isonga" amasuntswana aqinileyo kwaye yenze umaleko wefilimu yokuthambisa kwindawo yayo yangaphandle, okwenza inkqubo yodaka izinzile kwaye kwakhona Ukuphucula ubumanzi bomdaka ngexesha lenkqubo yokuxuba kunye nokugudiswa kolwakhiwo.
Ngenxa yesakhiwo sayo se-molekyuli, isisombululo se-cellulose ether senza amanzi kumdaka angabi lula ukulahleka, kwaye ngokuthe ngcembe akhuphe ixesha elide, enikezela udaka ngokugcina amanzi kunye nokusebenza kakuhle. Ukugcinwa kwamanzi kwe-hydroxypropyl methyl cellulose ether: Yeyona nto ibalulekileyo kunye nesisiseko sesalathisi. Ugcino lwamanzi lubhekiselele kumyinge wamanzi olunokuthi lugcinwe udaka oluxutyiweyo olusandula ukuxutywa emva kwentshukumo yecapillary kwisiseko sokufunxa. La manyathelo ovavanyo alandelayo okugcinwa kwamanzi e-cellulose ether ashwankathelwa kwingxoxo.
Indlela yokufunxa
Ngexesha lovavanyo, gcwalisa i-funnel ye-Buchner ngodaka oluxutywe namanzi, lubeke kwibhotile yesihluzo sokufunxa, qalisa impompo yokufunxa, kwaye wenze ukuhluza okufunxayo imizuzu engama-20 phantsi koxinzelelo olubi lwe (400±5) mm Hg. Emva koko, ngokwenani lamanzi kwi-slurry ngaphambi nangemva kokuhluzwa kwe-suction, bala izinga lokugcinwa kwamanzi ngolu hlobo lulandelayo.
indlela yephepha lokucoca
Ukugcinwa kwamanzi kwe-cellulose ether kugwetywa ngokufunxwa kwamanzi kwephepha lokucoca. Iqulunqwe ngumbumba wokuvavanya intsimbi enobude obuthile, iphepha lokucoca kunye nepleyiti yokuxhasa iglasi. Kukho iileya ezi-6 zephepha lokucoca phantsi komngundo wovavanyo, apho umaleko wokuqala uliphepha lokucoca olukhawulezayo, kunye nezinye iileya ezi-5 liphepha lokucoca elicothayo. Sebenzisa ibhalansi echanekileyo ukuze uqale ulinganise ubunzima bepalethi kunye neengqimba ezi-5 zephepha lokucoca elicothayo, uthele udaka kwi-mold yokuvavanya emva kokuxuba kwaye uyikhuhle, kwaye uyibeke imizuzu eyi-15: emva koko ulinganise ubunzima bepalethi kwaye Iileya ezi-5 zobunzima bephepha lokucoca olucothayo.
Ixesha lokuposa: Apr-23-2023