1. Ho na le mefuta e mengata ea hydroxypropyl methylcellulose HPMC, 'me phapang ke efe pakeng tsa tšebeliso ea bona?
Karabo: Hydroxypropyl methylcellulose HPMC e ka aroloa ka mofuta oa hang-hang le mofuta o chesang o qhibilihisang.Lihlahisoa tsa mofuta oa hang-hang li qhalana ka potlako metsing a batang ebe li nyamela ka metsing.Ka nako ena, mokelikeli ha o na viscosity, hobane HPMC e qhalakanngoa feela ka metsing, ha ho na ho qhibiliha ha sebele.Kamora metsotso e ka bang 2, viscosity ea mokelikeli e ile ea eketseha butle-butle, ea etsa colloid e hlakileng ea viscous.Lihlahisoa tse chesang tse chesang, ha li kopana le metsi a batang, li ka qhalana ka potlako metsing a chesang 'me tsa nyamela metsing a chesang.Ha mocheso o theohela mocheso o itseng, viscosity e bonahala butle-butle ho fihlela ho thehoa li-viscous colloid tse hlakileng.Mofuta oa hot-melt o ka sebelisoa feela ka phofo ea putty le seretse.Ka sekhomaretsi sa metsi le pente, ho tla etsahala ntho e makatsang 'me e ke ke ea sebelisoa.Mofuta oa hang-hang o na le mefuta e mengata e fapaneng ea lits'ebetso.E ka sebelisoa ka putty phofo le seretse, hammoho le ka sekhomaretsi sa metsi le pente, ntle le li-contraindications.
2. Sepheo se seholo sa hydroxypropyl methylcellulose (HPMC) ke sefe?
A: HPMC e sebelisoa haholo ho thepa ea mohaho, liphahlo, li-resin tsa maiketsetso, lirafshoa, meriana, lijo, masela, temo, litlolo, koae le liindasteri tse ling.HPMC e ka aroloa ka: kereiti ea kaho, kereiti ea lijo le kereiti ea meriana ho latela sepheo.Hajoale, boholo ba lihlahisoa tsa lapeng ke tsa boemo ba kaho.Sebakeng sa kaho, palo ea phofo ea putty e kholo haholo, hoo e ka bang 90% e sebelisetsoa putty powder, 'me e setseng e sebelisetsoa seretse sa samente le sekhomaretsi.
3. Mekhoa ea ho qhibiliha ea hydroxypropyl methylcellulose HPMC ke efe?
Karabo: Mokhoa oa ho qhibiliha ha metsi a chesang: Kaha HPMC ha e qhibilihe metsing a chesang, HPMC e ka qhalakanngoa ka mokhoa o ts'oanang metsing a chesang qalong, ebe e qhibiliha ka potlako ha e pholile.Mekhoa e 'meli e tloaelehileng e hlalosoa ka tsela e latelang:
1), eketsa 1/3 kapa 2/3 ea palo e hlokahalang ea metsi ka setshelo, 'me ue futhumale ho 70 ° C, ho ea ka mokhoa oa 1), qhala HPMC, lokisetsa metsi a chesang a slurry;ebe o eketsa palo e setseng ea metsi a batang ho metsi a chesang Ka slurry, motsoako o ne o pholile ka mor'a ho hlohlelletsa.
Mokhoa oa ho kopanya phofo: Kopanya phofo ea HPMC le bongata bo bongata ba lintho tse ling tse phofo, kopanya ka botlalo le motsoako, ebe u eketsa metsi ho qhibiliha, ebe HPMC e ka qhibiliha ka nako ena ntle le ho kopana, hobane ho na le HPMC e nyenyane feela sebakeng se seng le se seng. sekhutlo se senyane.Phofo e tla qhibiliha hang-hang ha e kopana le metsi.——Mokhoa ona o sebelisoa ke bahlahisi ba putty powder le seretse.[Hydroxypropyl methylcellulose (HPMC) e sebelisoa e le ntho e thibelang metsi le e bolokang metsi seretseng sa putty powder.
2), beha palo e hlokahalang ea metsi a chesang ka har'a sets'oants'o, 'me ue chese ho isa ho 70 ℃.Hydroxypropyl methylcellulose e ile ea eketsoa butle-butle ka ho sisinyeha butle-butle, qalong HPMC e ne e phaphametse holim'a metsi, ebe butle-butle e theha slurry, e neng e pholile ka ho sisinyeha.
4. Joang ho ahlola boleng ba hydroxypropyl methylcellulose (HPMC) habonolo le ka mokhoa o hlakileng?
Karabo: (1) Matla a khoheli a khethehileng: ha matla a khoheli a itseng a le maholo, boima bo ba betere.kholoanyane, hangata hobane
(2) Bosoeu: Le hoja bosoeu bo sa etse qeto ea hore na HPMC e bonolo ho e sebelisa, 'me haeba moemeli oa ho soeufala o eketsoa ts'ebetsong ea tlhahiso, e tla ama boleng ba eona.Leha ho le joalo, boholo ba lihlahisoa tse ntle li na le bosoeu bo botle.
(3) Bokhabane: Bokhabane ba HPMC hangata ke 80 mesh le 100 mesh, le 120 mesh e tlase.Boholo ba HPMC e hlahisoang Hebei ke 80 mesh.Ha botle bo botle, bo betere ka kakaretso.
(4) Phetiso: Kenya hydroxypropyl methylcellulose (HPMC) ka metsing ho etsa colloid e bonaletsang, 'me u hlahlobe phetiso ea eona.Ha phetisetso e phahame, e betere, e bonts'a hore ho na le lintho tse fokolang tse sa qhibiliheng.Ho kenella ha li-reactor tse otlolohileng ka kakaretso ho lokile, 'me ha li-reactor tse tšekaletseng ho mpefala, empa ho ke ke ha boleloa hore boleng ba li-reactor tse otlolohileng bo betere ho feta ba li-reactor tse tšekaletseng, mme ho na le lintlha tse ngata tse khethollang boleng ba lihlahisoa.Likahare tsa hydroxypropyl ho eona li phahame, 'me lihlahisoa tsa hydroxypropyl li phahame, ho boloka metsi ho molemo.
5. Ke matšoao afe a mantlha a tekheniki a hydroxypropyl methylcellulose (HPMC)?
Karabo: Likahare tsa Hydroxypropyl le viscosity, basebelisi ba bangata ba tsotella matšoao ana a mabeli.Ha maemo a hydroxypropyl a phahame, ho boloka metsi ho betere.Viscous, ho ts'oara metsi, ho batla (ho e-na le
6. Viscosity e nepahetseng ea hydroxypropyl methylcellulose (HPMC) ke efe?
Karabo: Putty powder hangata ke li-yuan tse 100,000, 'me seretse se batla ho feta,' me ho bonolo ho se sebelisa ho 150,000 yuan.Ho feta moo, karolo ea bohlokoa ka ho fetisisa ea HPMC ke ho boloka metsi, ho lateloa ke ho teteaneng.Ka phofo ea putty, hafeela ho boloka metsi ho le molemo 'me viscosity e tlaase (70,000-80,000), hoa khoneha hape.Ha e le hantle, haeba viscosity e phahame, ho boloka metsi ho lekanyelitsoeng ho molemo.Ha viscosity e feta 100,000, phello ea viscosity ho boloka metsi ha e ngata haholo.Ka ho feletseng) e boetse e molemo, 'me viscosity e phahame,' me ho molemo ho e sebelisa ka seretse sa samente.
7. Lisebelisoa tsa mantlha tsa hydroxypropyl methylcellulose (HPMC) ke life?
Karabo: Lisebelisoa tse ka sehloohong tsa hydroxypropyl methylcellulose (HPMC): k'hothone e hloekisitsoeng, methyl chloride, propylene oxide, lisebelisoa tse ling tse tala li kenyelletsa flake alkali, acid, toluene, isopropanol, joalo-joalo.
Nako ea poso: Feb-05-2024