Lintho tse amang purity ea hydroxypropyLe methyl cellulase

Bohloeki ba hydroxypropyproppy methylcelluse ho ho haha ​​seretse se chesang se amang semelo sa boenjiniere, joale ke mabaka afe a amang bohloeki ba hydroxypropypropy E re ke u arabe potso ena.

Ts'ebetsong ea tlhahiso ea hydroxypropyLe methylcellulose, oksijene e sa feleng e tla baka koluoa ​​ea molek'hule, empa oksijene e sa feleng e sa tsotelehe koluoa ​​e robehileng ea limolek'hule. Sekhahla sa bohlokoa ka ho fetisisa tsa metsi a satiseng se na le ho hongata ka litaba tsa hydroxypropixproPyL. Lifestori tse ling li batla feela ho fokotsa litšenyehelo le theko, empa ha li batle ho eketsa litaba tsa hydroxypropy.

Letlapa la ho boloka metsi la hydroxypropypropyproxlulose le hydroxypropickpropyl Methylcpropiddypropyproppy. Kameho ea Alfalization, karolelano ea Methyl Chloride Chride, Alkali le karolelano ea metsi kaofela ho khetholla ts'ebetso ea sehlahisoa.

Boleng ba lisebelisoa tse tala, phello ea karohano ea ts'ebetso eo, karolelano ea li-silerts le litlamorao tsa ho se jelloa ke methylcelwese kamora ho eketsa Lebese, tse ling e ne e le Milky White, tse ling e ne e le 'mala o mosehla,' me tse ling li hlakile ebile li hlakile. Haeba u batla ho e rarolla, ho fapana le lintlha tse boletsoeng ka holimo. Ka linako tse ling acid ea acetic e ka ama mokhoa oa khanya ea leseli. Ho molemo ho sebelisa asiti ea acetic ka mor'a ho thunngoa. Tšusumetso e kholo ke hore na karabelo e mpe le hore na karolelano ea sistimi e tsitsitse (thepa e itseng e sa tsitsa, joalo ka li-solvent tsa ho nchafatsa li-sorves). Ebile, lintlha tse ngata li bapala. Ka botsitso ba lisebelisoa le ts'ebetso ea basebelisi ba koetlisitsoeng hantle, lihlahisoa tse hlahisitsoeng li lokela ho ba tsitsitse haholo. Phetoho ea leseli e ke ke ea feta mefuta ea ± 2%, le ntho e tšoanang ea likarolo tse nkang sebaka e lokela ho laoloa hantle. Sebakeng sa ntho e ts'oanang, transitte ea leseli e ne e tla phela hantle.


Nako ea poso: Mots'eanong-30-2023