HPMC gel

Hydroxypropyl methylcellulose (HPMC) ke mofuta oa cellulose ether e sebelisoang lits'ebetsong tse fapaneng, ho kenyeletsoa joalo ka gelling agent, thickener, emulsifier, stabilizer, le suspending agent.Ke polymer e qhibilihang ka metsi e tsoang ho selulose, 'me hangata e sebelisoa lijong, meriana le lihlahisoa tsa litlolo.HPMC e boetse e sebelisoa ho etsa li-gel, e leng litsamaiso tse tiileng tse entsoeng ka mokelikeli o qhalakantsoeng ka har'a matrix a tiileng.Li-gel tsa HPMC li sebelisoa lits'ebetsong tse fapaneng, ho kenyeletsoa phano ea lithethefatsi, litlolo le lihlahisoa tsa lijo.

Li-gel tsa HPMC li thehoa ha HPMC e qhibiliha ka har'a motsoako, joalo ka metsi.Ha tharollo e ntse e pholile, limolek'hule tsa HPMC li theha marang-rang a tšoasang motsoako, ho etsa gel.Thepa ea gel e itšetlehile ka bongata ba HPMC, mofuta oa solvent, le mocheso.Li-gel tse entsoeng ka HPMC hangata lia bonaletsa 'me li na le ts'ebetso e ts'oanang ea jelly.

Li-gel tsa HPMC li ka sebelisoa lits'ebetsong tse fapaneng.Ka indasteri ea meriana, li-gels tsa HPMC li sebelisoa ho isa meriana 'meleng.Gel e ka etsoa hore e lokolle moriana ka nako e telele, e leng se lumellang hore ho be le phepelo e tsitsitseng ea lithethefatsi.Li-gel tsa HPMC li boetse li sebelisoa litlolong, joalo ka litlolo le litlolo, ho fana ka sebopeho se boreleli, se monate.Lihlahisoa tsa lijo, li-gel tsa HPMC li sebelisoa e le li-thickeners le stabilizers.

Li-gel tsa HPMC li na le melemo e mengata ho feta li-agelling tse ling.Ha li chefo, ha li khopise ebile ha li na chefo.Li boetse li bonolo ho li sebelisa 'me li ka etsoa ho finyella litlhoko tse khethehileng.Li-gel tsa HPMC le tsona li tsitsitse ho feta mefuta e mengata ea mocheso le maemo a pH.

Ho sa tsotellehe melemo ena, ho na le mathata a mang a ho sebelisa li-gel tsa HPMC.Li theko e boima ho feta li-gellling tse ling, 'me ho ka ba thata ho qhibiliha ka har'a metsoako e meng.Ho feta moo, li-gels tsa HPMC ha li matla joalo ka li-agelling tse ling, 'me li ka ba le monyetla oa ho ba le syneresis (karohano ea gel hore e be mokelikeli le mohato o tiileng).

Ka kakaretso, li-gel tsa HPMC ke sesebelisoa se sebetsang bakeng sa lits'ebetso tse fapaneng.Ha li chefo, ha li tenehe, 'me li ka senyeha, 'me li ka etsoa ho fihlela litlhoko tse itseng.Leha ho le joalo, li theko e boima ho feta li-gellling tse ling, 'me ho ka ba thata ho qhibiliha ka har'a metsoako e meng.Ho phaella moo, ha li matla joaloka li-gelling agents tse ling, 'me li ka ba bonolo ho syneresis.