I-Vitamin ether iyisengezo esisetshenziswa kakhulu odakeni lwempushana eyomile.I-Hydroxypropyl methyl cellulose ether idlala indima ebalulekile kudaka olomile lwempuphu.Ngemuva kokuthi i-cellulose ether edakeni ichitheke emanzini, iglue iqinisekisiwe ngenxa yomsebenzi ongaphezulu.I-coagulant material isatshalaliswa ngempumelelo futhi ngokulinganayo ohlelweni, futhi i-hydroxypropyl methylcellulose ether, njenge-colloid evikelayo, "igoqa" izinhlayiya eziqinile futhi yakha ungqimba lwefilimu yokugcoba endaweni yayo yangaphandle, okwenza uhlelo lodaka luzinze futhi luthuthukise i-fluidity yodaka ngesikhathi sokuxuba kanye nokushelela kokwakhiwa.
Ngenxa yesakhiwo sawo samangqamuzana, isixazululo se-cellulose ether senza amanzi odaka angabi lula ukulahlekelwa, futhi kancane kancane adedele isikhathi eside, enikeza udaka ngokugcinwa kahle kwamanzi nokusebenza.Ukugcinwa kwamanzi kwe-hydroxypropyl methyl cellulose ether: Yinkomba ebaluleke kakhulu futhi eyisisekelo.Ukugcinwa kwamanzi kubhekisela enanini lamanzi udaka olusanda kuxutshwa olungagcinwa ngemva kokusebenza kwe-capillary kusisekelo esimuncayo.Izinyathelo ezilandelayo zokuhlola ukugcinwa kwamanzi e-cellulose ether zifingqiwe ukuze kuxoxwe ngazo.
Indlela ye-vacuum
Ngesikhathi sokuhlola, gcwalisa ifaneli ye-Buchner ngodaka oluxutshwe namanzi, ulibeke ebhodleleni lesihlungi sokumunca, qalisa iphampu ye-vacuum, futhi wenze ukumunca ukumunca imizuzu engu-20 ngaphansi kwengcindezi engeyinhle engu (400±5) mm Hg.Bese, ngokuya ngenani lamanzi ku-slurry ngaphambi nangemva kokuhlunga kokumuncwa, bala izinga lokugcinwa kwamanzi ngale ndlela elandelayo.
indlela yephepha lokuhlunga
Ukugcinwa kwamanzi kwe-cellulose ether kwahlulelwa ngokumuncwa kwamanzi kwephepha lokuhlunga.Yakhiwe ngesikhunta sokuhlola indandatho yensimbi enobude obuthile, iphepha lokuhlunga kanye nepuleti lokusekela lengilazi.Kunezingqimba eziyisi-6 zephepha lokuhlunga ngaphansi kwesikhunta sokuhlola, ungqimba lokuqala lwaso kuyiphepha lokuhlunga elisheshayo, kanti ezinye izingqimba ezi-5 ziyiphepha lokuhlunga elihamba kancane.Sebenzisa ibhalansi enembile ukuze uqale ukale isisindo sephalethi kanye nezingqimba ezi-5 zephepha lokuhlunga kancane, uthele udaka esikhunjini sokuhlola ngemva kokuhlanganisa bese usiklwebha sibe sicaba, bese usibeka imizuzu engu-15: bese ukala isisindo sephalethi futhi izingqimba ezi-5 zesisindo sephepha lokuhlunga kancane.
Isikhathi sokuthumela: Apr-23-2023