Focus on Cellulose ethers

Hydroxypropyl methylcellulose Hpmc phello ea ho boloka metsi le molao-motheo

Ka seretseng sa samente le slurry e thehiloeng ho gypsum, HPMC e bapala karolo ea ho boloka metsi le ho tiea.E ka ntlafatsa ka katleho matla a tlamang le anti-pituitarism ea slurry.

Mocheso oa moea, mocheso oa moea le lebelo la khatello ea moea li ama sekhahla sa ho fetoha ha metsi ka har'a seretse sa samente le lihlahisoa tse thehiloeng ho gypsum.

Linakong tse fapaneng, ho na le liphapano tse itseng molemong oa ho boloka metsi oa HPMC.Kahong e ikhethileng, phello ea ho boloka metsi ea slurry e ka fetoloa ka ho eketsa kapa ho fokotsa palo ea HPMC e kentsoeng.Ho boloka metsi a methyl cellulose ether tlas'a maemo a mocheso o phahameng ke pontšo ea bohlokoa ho khetholla boleng ba methyl cellulose ether.Lihlahisoa tse ntle ka ho fetisisa tsa HPMC li ka rarolla bothata ba ho boloka metsi tlas'a mocheso o phahameng.

Nakong ea mocheso o phahameng, haholo-holo libakeng tse chesang le tse omileng le kaho ea lera le tšesaane ka lehlakoreng la letsatsi.HPMC ea boleng bo holimo ea hlokahala ho ntlafatsa ho bolokoa ha metsi a seretse.E ka ntlafatsa bokhoni ba athomo ea oksijene sehlopheng sa hydroxyl ho theha bond ea hydrogen le bond ea ether.Etsa metsi a sa lefelloeng ka har'a metsi a tlanngoeng, e le ho laola ka katleho mouoane oa metsi o bakoang ke mocheso o phahameng oa leholimo.Boemo bo phahameng ba ho boloka metsi.

HPMC ea boleng bo holimo ea cellulose e ka hasanngoa ka mokhoa o ts'oanang le ka katleho ka har'a seretse sa samente le lihlahisoa tse thehiloeng ho gypsum.Ebe u phuthela likaroloana tsohle tse tiileng ho etsa filimi ea ho kolobisa.Mongobo o ka har'a lera la motheo o lokolloa butle-butle ka nako e telele, 'me lisebelisoa tsa gelling tsa inorganic li ba le karabelo ea hydration.Ka tsela eo ho netefatsa matla a tlamahano le matla a hatellang a thepa.Ka hona, e lokela ho etsoa ka mocheso o phahameng oa lehlabula ho fihlela phello ea ho boloka metsi.Etsa bonnete ba hore o eketsa lihlahisoa tsa HPMC tsa boleng bo holimo ho latela foromo, ho seng joalo ho tla ba le mathata a boleng joalo ka ho haella ha metsi.Empa e boetse e eketsa bothata ba kaho ea basebetsi.Ha mocheso o theoha, palo ea HPMC e ka fokotseha butle-butle, 'me phello ea ho boloka metsi e ka boela ea finyelloa.


Nako ea poso: Apr-21-2023
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