Ingakwazi ukuxubana kwe-hpmc ne-cmc
Methyl cellulosekumhlophe noma kumhlophe njenge-fibrous noma i-powder ye-granurar; Ophunga, anambitha. Lo mkhiqizo ekuvuvukeni kwamanzi ube yisixazululo esicacile noma esincanyana se-colloidal; Insoluble ku-ethanol ephelele, chloroform noma i-diethyl ether. Ihlakazeka ngokushesha futhi ivuvukala emanzini ashisayo ku-80-90 ℃, futhi ichithwe ngokushesha ngemuva kokupholisa. Isixazululo samanzi sizinzile kakhulu emazingeni okushisa asekamelweni, futhi singakwazi ukufundela okuphezulu, futhi ijeli lingashintsha nesixazululo ngokushisa.
Inokukhula okuhle kakhulu, ukusakazeka, ukunamathela, ukuqina, ukuqina, ukugcinwa kwamanzi kanye nokwakheka kwamafilimu, kanye nokungaphambi kokwakheka kwamafilimu. Le filimu inobunzima obuhle kakhulu, ukuguquguquka nokubonakala kobala. Ngoba akuyona i-ionic, ingahambisana namanye ama-emulsifiers, kepha kulula ukukhishwa ngosawoti, futhi isixazululo sizinzile ku-PH2 - 12. I-Sodium carboxymethyl cellulose Lo mkhiqizo uSolsose Carboxymethyl her ingeye-anionic cellulose ether, i-White noma i-Milky White Fibrous Fibrous Fibrous noma izinhlayiyana, inhlayiya engu-0.5-0.7 g / cubic centimeter, cishe ayinambitha, ayinambitha, i-hygroscopic. Kulula ukuhlakazeka emanzini kube yisixazululo esibonakalayo se-gelatinous, infoluble e-ethanol nakwamanye ama-solvents ezi-organic.
Lapho i-PH yesisombululo esinamanzi angama-6.5 - 8.5, i-viscosity ye-slurry incipha kakhulu lapho i-PH iyona engcono kakhulu lapho i-pH ihamba phambili lapho i-PH ihamba ngokushesha ngezansi I-20 ℃, ishintsha kancane ku-45 ℃, kanye ne-collOid denaturation kanye ne-visatution kanye nezakhiwo zehla kakhulu lapho kufuthelwa isikhathi eside ngenhla kwama-80 ℃. Ukuncibilika kalula emanzini, ikhambi elisobala; Kuzinzile kakhulu kusisombululo se-alkali, futhi kulula ukujwayela nge-acid. Lapho inani le-PH lingu-2-3, kwenzeke imvula, futhi izulu lizovela endabeni kasawoti wensimbi ehlukahlukene. I-Hydroxypropyl Methyl Cellulose, eyaziwa nangokuthi i-hydroxypropyllyprose methyl, cellulose hydroxyprosell methylyl methylyllylylylylylylyl methyllllylylylylylylyl methyl, ukukhethwa kwe-cellulose emsulwa kakhulu kukotini, ngaphansi kwezimo ze-alkali ngokusheshisa okukhethekile.
Incibilika emanzini futhi iningi le-polar C kanye nesilinganiso esifanele se-ethanol / lamanzi, i-propanol / amanzi, i-dichloroethane, njll. Isixazululo samanzi sinomsebenzi ongaphezulu, ukucaca okuphezulu nokusebenza okuzinzile.I-HPMCinempahla yejeli eshisayo. Ngemuva kokushisa, ikhambi lomkhiqizo elinamanzi amanzi liyakha imvula ye-gel, bese icwilisa ngemuva kokuphola. Izinga lokushisa le-gel lemininingwane ehlukile lihlukile.
Isikhathi sePosi: APR-25-2024