Phapang ke efe lipakeng tsahydroxypropypropinyl methylcell(HPMC) le kapa ntle le s?
1. HpMC e arotsoe ka mofuta oa Instant le mofuta o potlakileng
HPMC e potlakileng e qhalaneng e lekane le lengolo s. Nakong ea tlhahiso ea tlhahiso, Glyoxal e lokela ho eketsoa.
Mofuta oa HPMC Instant ha o kenye litlhaku leha e le life, joalo ka "100000" ke "Lipatlisiso tse 100000 tsa" 100000 "
2. Ka kapa ntle le s, litšobotsi li fapane
Ho hasanya kapele ho hasaha ka potlako ho potlaka ka potlako metsing a batang ebe oa nyamela ka metsing. Ka nako ena, mokelikeli ha o na pono, hobane HPMC e hasana ka metsing, 'me ha ho na pherekano ea' nete. Kamora metsotso e ka bang habeli, ke pono ea metsi butle-butle e ea eketseha, ho theha mokelikeli o futhumetseng. Colloid e teteaneng.
Hpmc hang hang-hang e ka qhalakana ka potlako ka metsing a chesang hoo e ka bang 70 ° C. Ha mocheso o theoha ka mocheso o itseng, vicosion butle-butle e hlaha ho fihlela colloid e tsamaeang ka mokhoa o hlakileng e thehoa.
3. E nang le kapa ntle le s, morero o fapane
HPMC ea hang-hang e ka sebelisoa feela phofo le seretse. Likarolong tsa metsi, bosholu ba litopo, ho khoptjoa ho tla etsahala ebile ha bo na ho sebelisoa.
PPMCT e potlakileng ea HPMC e na le lits'ebetso tse fapaneng. E ka sebelisoa ka phofo e nang le popo, seretse, seretse se metsi, pente le lihlahisoa tse hlatsoang ntle le litšitiso.
Mokhoa oa ho qhalana
1. Nka palo e hlokahalang ea metsi a chesang, e kenye sekoting ebe e e chesa ho phahameng ka 80 ° C, 'me butle-butle eketsa sehlahisoa sena butle haholo. Ka pele, sejo se phaphamalang metsing qalong, empa butle-butle o hasana butle butle hore a thellehe. Folisa tharollo ka ho hlohlelletsa.
2. Kapa mocheso 1/3 kapa 2/3 ea metsi a chesang ho ea holimo ho 85 ° C, eketsa Cll
3. Celloulose e na le nomoro e ntle ea mesh e ntle, 'me e teng e le karoloana e nyane e otlolohileng ea phofo,' me e qhibiliha ka potlako ha e kopana le lifate tse hlokahalang.
4. Tlosa Celloulose butle butle ka mocheso oa kamore, 'me u lule u hlohlelletsa nakong ea ha ho eketsoa ho fihlela tharollo e hlakileng e thehoa.
Ke lintlha life tse amang metsi a ho boloka metsi a hydroxypropyLe methylcelulose?
Ho boloka metsi ka metsi a Hydroxypropyl Methylcellulo HPMC hangata hangata e angoa ke lintlha tse latelang:
1. Celulose Ether HpMC Homogeneity
HPMC e ts'oanang le e ts'oanang e na le kabo e sa tsoakoang ea lihlopha tsa mekhoa le hydropix le boloka metsi a mangata.
2. Moulete oa li-hpmc ather hemper gel
Ea futhumetseng a futhumetseng a boqhetsi, lebelo le phahameng la metsi; Ho seng joalo, leque le ka tlase ho metsi a bolokang metsi.
3. Celloulose Ether hpmc viccosity
Ha liketsahalo tsa HPMC li ntse li eketseha, Sepole sa ho boloka metsi le hona hoa eketseha; Ha liketsahalo li fihla boemong bo itseng, keketseho ea lets'oao la ho boloka metsi le tloaetse ho ba bonolo.
Chelete ea HPMC e ekelitsoeng
Palo e kholo ea cellulose ether hpmc, sekhahla se phahameng sa metsi le ho boloka metsi hantle.
Karolong ea 0,25-0.6%, Leoatle la ho Boloka Metsi le eketseha ka potlako le keketseho ea palo ea chelete; Ha kenyelletso e eketsoa ka hohle, mokhoa o ntseng o eketseha oa lethela la ho boloka metsi ho ea lieha.
Nako ea poso: Oct-17-2022