01. Phapang pakeng tsa hydroxypropyl methyl ea bohata le hydroxypropyl methyl ea boleng bo holimo
Ponahalo: Setache se hloekileng HPCM e bonahala e tšoana haholo, e pakeng tsa 0.3 le 0.4 g/ml. Amylum e tlama ho setache kahoo HPCM ke mokelikeli 'me ha e na khatello e ngata joaloka li-detoxifier tse tloaelehileng.
Maemo: starch e tletseng starch, phofo ea hpm, faeba tlas'a microscope kapa khalase e holisang, HPCM mofuta oa starch o ka laolang starch kapa starch le lentile.
Monko o mobe: Hydroxypropyl methylcellulose e hloekileng HPMC ha e na monko oa ammonia, starch le joala; hydroxypropyl methylcellulose e silafalitsoeng HPMC e ka fofonela mefuta eohle ea menko, leha e se na tatso, e tla ikutloa e fokola Shen.
Tharollo ea metsi: tharollo ea metsi e hloekileng, ea HPMC methylcellulose demethoxypropyl brinzolamide e hlakile, sekhahla sa ho boloka metsi se bobebe ≥ 97%; cellulose e hydrolyzed HPMC e hlapolotsoeng e nang le cellulose e hlapolotsoeng e na le mafome haholoanyane, sekhahla sa ho boloka metsi se batla se fihla ho 80%.
02. Ho boloka methyl cellulose mochesong o phahameng ke sesupo sa bohlokoa ho fumana boleng ba methyl cellulose ether. Lintlha tse kang mocheso oa moea, mocheso oa moea le lebelo la moea li ama ho feto-fetoha ha lihlahisoa tsa samente le gypsum. Ka hona, ho eketsa palo e lekanang ea lihlahisoa tsa HPMC linakong tse fapaneng tsa selemo, ho na le liphapang tse itseng mabapi le katleho ea ho boloka metsi. Ts'ebetsong e ikhethileng ea ts'ebetso, phello ea serosa e nosetsang e ka lokisoa ka ho fokotsa palo ea HPMC e ekelitsoeng. HPMC ea boleng bo holimo ea hydroxypropyl methylcellulose e ka rarolla bothata ba ho boloka metsi mochesong o phahameng ka katleho.
Selulose ea methyl ea boleng bo holimo e ka ajoa ka ho lekana le ka katleho ka har'a seretse sa samente le lihlahisoa tsa ho plaster, e leng filimi e tiileng ka botlalo, e lokolloang butle-butle ho tloha lera la motheo 'me e etsa karabelo ea hydrophilic ka thepa ea ho kobeha e sa tloaelehang, ka hona e netefatsa matla le ho tiea. HPMC cellulose methyl propoxylate e boleng ebile e ts'oana, 'me oksijene ea lihlopha tsa ethyl bromide le propionic acid hammoho le ketane ea cellulose ea limolek'hule e ts'oana, e leng se ntlafatsang khokahano ea oksijene le haedrojene ea athomo e 'ngoe le e 'ngoe ea bohlokoa ea hydroxyl le ether. Metsi a tlase a ka fetola metsi a lokolohileng hore e be metsi a bolokang letlalo, ka hona a laola mouoane oa metsi ka katleho, a hlahisa mocheso, le mongobo o mongata o thehiloeng metsing.
Ka lebaka la kaho e phahameng ea mocheso lehlabula, e le ho fihlela phello ea ho boloka metsi, ho hlokahala ho eketsa lihlahisoa tsa HPMC tsa boleng bo holimo ho latela mokhoa ona, ho seng joalo ho tla baka mathata a kang ho omella ho feteletseng, matla a fokolang, ho petsoha, ho tšoha ho sa sebetseng le ho tlohela mosebetsi, le ho eketsa bothata ba kaho bakeng sa basebetsi. Ha o ntse o theola mocheso, hoa khoneha ho fokotsa butle-butle palo ea HPMC e ekelitsoeng le ho fumana phello e tšoanang ea ho boloka metsi.
Nako ea poso: Mmesa-21-2023