Hydroxypropyl methylcellulose (HPMC)ke polymer e feto-fetohang e sebelisoang liindastering tse kang meriana, kaho, litlolo, lijo le tlhokomelo ea botho. Ho teteana ha HPMC ho bapala karolo ea bohlokoa ho khethong ea ho tšoaneleha ha eona bakeng sa lits'ebetso tse fapaneng. Ho teteana ho susumetsoa ke boima ba limolek'hule, tekanyo ea ho nkeloa sebaka le mahloriso. Ho utloisisa maemo a nepahetseng a ho teteana ho bohlokoa bakeng sa ho khetha HPMC e nepahetseng bakeng sa litlhoko tse itseng tsa indasteri.
Tekanyo ea Viscosity
Viscosity ea AnxinCel®HPMC hangata e lekanngoa ka litharollo tse metsi ho sebelisoa viscometer e potolohang kapa ea capillary. Mocheso o tloaelehileng oa teko ke 20°C, 'me viscosity e hlahisoa ka metsotsoana ea millipascal (mPa·s kapa cP, centipoise). Mekhahlelo e fapaneng ea HPMC e na le viscosity e fapaneng ho latela ts'ebeliso ea eona e reriloeng.
Likereiti tsa Viscosity le Litšebeliso tsa Tsona
Tafole e ka tlase e hlalosa maemo a tloaelehileng a viscosity a HPMC le lits'ebetso tsa ona tse tsamaellanang:
| Kereiti ea Viscosity (mPa·s) | Mahloriso a Tloaelehileng (%) | Kopo |
| 5 – 100 | 2 | Marotholi a mahlo, li-additives tsa lijo, li-suspension |
| 100 – 400 | 2 | Liaparo tsa matlapa, li-binder, likhomaretsi |
| 400 – 1,500 | 2 | Li-emulsifier, li-lubricant, litsamaiso tsa ho fana ka meriana |
| 1,500 – 4,000 | 2 | Lisebelisoa tsa ho tenya, lihlahisoa tsa tlhokomelo ea botho |
| 4,000 – 15,000 | 2 | Kaho (likhomaretsi tsa lithaele, lihlahisoa tse thehiloeng samenteng) |
| 15,000 – 75,000 | 2 | Metswako ea meriana e lokolloang ka taolo, li-grout tsa kaho |
| 75,000 – 200,000 | 2 | Likhomaretsi tse nang le viscous e phahameng, matlafatso ea samente |
Mabaka a Amang ho Tjhesa ha Sekhahla
Mabaka a 'maloa a susumetsa ho hlaka ha HPMC:
Boima ba limolek'hule:Boima bo phahameng ba limolek'hule bo lebisa ho ho eketseha ha viscosity.
Tekanyo ea ho Nkela Sebaka:Karolelano ea lihlopha tsa hydroxypropyl le methyl e ama ho qhibiliha le ho teteana.
Tharollo ea ho Tsepamisa Maikutlo:Maemo a hodimo a fella ka ho teteana ho hoholo.
Mocheso:Ho thibana ha letlalo ho fokotseha ha mocheso o ntse o eketseha.
pH Kutloisiso:Litharollo tsa HPMC li tsitsitse ka har'a pH ea 3-11 empa li ka senyeha ka ntle ho mofuta ona.
Sekhahla sa ho beola:HPMC e na le thepa ea phallo e seng ea Newtonian, e leng se bolelang hore viscosity ea eona ea fokotseha tlas'a khatello ea ho shear.
Mehopolo e Ikhethang ea Kopo
Meriana:HPMC e sebediswa mefuteng ya dithethefatsi bakeng sa tokollo e laolwang le e le setlama matlapeng. Mefuteng e tlase ya viscosity (100–400 mPa·s) e ratwa bakeng sa dikobo, ha mefuteng e hodimo (15,000+ mPa·s) e sebediswa bakeng sa mefuteng ya tokollo e tswelang pele.
Kaho:AnxinCel®HPMC e sebetsa e le sesebelisoa sa ho boloka metsi le sekhomaretsi lihlahisoa tse thehiloeng samenteng. Mekhahlelo e nang le viscous e phahameng (e fetang 4,000 mPa·s) e loketse ho ntlafatsa bokgoni ba ho sebetsa le matla a ho kopanya.
Litlolo le Tlhokomelo ea Motho ka Mong:Ka di-shampoo, di-lotion le di-cream, HPMC e sebetsa e le setefatsi le se tsitsisang. Mekgahlelo e mahareng ya viscosity (400–1,500 mPa·s) e fana ka tekano e ntle pakeng tsa sebopeho le dibopeho tsa phallo.
Indasteri ea Lijo:Jwalo ka sehlomathiso sa dijo (E464), HPMC e ntlafatsa sebopeho, botsitso le ho boloka mongobo. Maemo a tlase a viscosity (5–100 mPa·s) a netefatsa ho hasana hantle ntle le ho teteana ho feteletseng.
Khetho eaHPMCSekala sa viscosity se itshetlehile ka tshebediso e rerilweng, ka dikala tse tlase tsa viscosity tse loketseng ditharollo tse hlokang ho teteana ho fokolang le dikala tse phahameng tsa viscosity tse sebediswang mefuteng e hlokang sekhomaretsi se matla le thepa e tsitsitseng. Taolo e nepahetseng ya viscosity e netefatsa tshebetso e sebetsang indastering ya meriana, kaho, dijo le ditlolo. Ho utlwisisa mabaka a susumetsang viscosity ho thusa ho ntlafatsa tshebediso ya HPMC bakeng sa ditshebediso tse fapaneng tsa indasteri.
Nako ea poso: Hlakola-11-2025