1. Hydroxypropyl methyl celluloseku milmay biyo qabow, biyaha kulul ee milmay waxay la kulmi doonaan dhibaatooyin. Laakiin heerkulkeeda gelation ee biyaha kulul aad ayuu uga sarreeyaa kan methyl cellulose. milanka methyl cellulose ee biyaha qabow ayaa sidoo kale si weyn loo hagaajiyay.
2. Viscosity of hydroxypropyl methyl cellulose waxay la xiriirtaa miisaankeeda kelli, iyo miisaanka unug ee weyn waa viscosity sare. Heerkulka ayaa sidoo kale saameyn doona viscosity-kiisa, heerkulka kor u kaca, viscosity ayaa hoos u dhacaya. Si kastaba ha ahaatee, viscosity ee heerkulka sare ayaa ka hooseeya kan methyl cellulose. Xalku wuu xasilloon yahay marka lagu kaydiyo heerkulka qolka.
3. Hydroxypropyl methyl cellulose waxay ku xasilan tahay aashitada iyo alkali, iyo xalkeeda aqueous waa mid aad u deggan inta u dhaxaysa pH=2 ~ 12. Soodhaha caustic iyo biyaha lime wax saameyn ah kuma laha hantidooda, laakiin alkali waxay dardar gelin kartaa heerka kala diristeeda waxayna wanaajin kartaa viscosity ee biinka. Hydroxypropyl methyl cellulose waxay leedahay xasillooni milixda guud, laakiin marka xoogga milixdu uu sarreeyo, viscosity of hydroxypropyl methyl cellulose xalka wuxuu u janjeeraa inuu kordho.
4. Haysashada biyaha ee hydroxypropyl methyl cellulose waxay ku xiran tahay qadarka ku darida, viscosity, iwm. Heerka xajinta biyaha ee ka hooseeya qadarka kordhinta ayaa ka sarreeya kan methyl cellulose.
5. Ku dhejinta hydroxypropyl methyl cellulose ee dhismaha hoobiye ayaa ka sarreeya kan methyl cellulose.
6. Hydroxypropyl methyl cellulosewaxay leedahay iska caabin enzyme ka wanaagsan methyl cellulose, iyo suurtogalnimada hoos u dhigista enzymatic ee xalka ayaa ka hooseeya methyl cellulose.
Waqtiga boostada: Abriil-26-2024