I-Hydroxypropyl methylcellulose (HPMC)iyi-polymer eguquguqukayo esetshenziswa ezimbonini ezifana nemithi, ukwakhiwa, izimonyo, ukudla, nokunakekelwa komuntu siqu. I-viscosity ye-HPMC idlala indima ebalulekile ekunqumeni ukufaneleka kwayo kwezinhlelo zokusebenza ezihlukahlukene. I-viscosity ithonywa isisindo samangqamuzana, izinga lokushintshwa, nokugxila. Ukuqonda amabanga afanelekile e-viscosity kubalulekile ekukhetheni i-HPMC efanele yezidingo ezithile zezimboni.
Ukukala Viscosity
I-viscosity ye-AnxinCel®HPMC ivamise ukukalwa ngezixazululo ezinamanzi kusetshenziswa i-viscometer ejikelezayo noma ye-capillary. Izinga lokushisa elijwayelekile lokuhlola lingu-20°C, futhi i-viscosity ivezwa ngemizuzwana emillipascal (mPa·s noma cP, centipoise). Amabanga ahlukahlukene we-HPMC anama-viscosity ahlukene ngokuya ngokusetshenziswa kwawo okuhlosiwe.
Amabanga e-Viscosity kanye Nezicelo Zawo
Ithebula elingezansi libonisa amabanga avamile we-viscosity we-HPMC kanye nezinhlelo zokusebenza ezihambisanayo:
| Ibanga le-Viscosity (mPa·s) | Ukugxila Okujwayelekile (%) | Isicelo |
| 5 – 100 | 2 | Amaconsi iso, izithasiselo zokudla, ukumiswa |
| 100 - 400 | 2 | Izembatho zethebhulethi, ama-binder, ama-adhesives |
| 400 - 1,500 | 2 | Ama-Emulsifiers, okothambisa, amasistimu okulethwa kwezidakamizwa |
| 1,500 - 4,000 | 2 | Ama-thickening agents, imikhiqizo yokunakekelwa komuntu siqu |
| 4,000 - 15,000 | 2 | Ukwakhiwa (okunamathelisa amathayela, imikhiqizo esekwe usimende) |
| 15,000 - 75,000 | 2 | Ukwakhiwa kwezidakamizwa ezikhishwa okulawulwayo, ama-grout okwakha |
| 75,000 - 200,000 | 2 | Ama-adhesives ane-viscosity ephezulu, ukuqinisa usimende |
Izinto Ezithinta I-Viscosity
Kunezici ezimbalwa ezithonya i-viscosity ye-HPMC:
Isisindo se-Molecular:Isisindo samangqamuzana esiphezulu siholela ekwandeni kwe-viscosity.
Izinga Lokushintsha:Isilinganiso samaqembu e-hydroxypropyl kanye ne-methyl sithinta ukuncibilika kanye ne-viscosity.
Ukugxila Kwesixazululo:Ukugxila okuphezulu kubangela i-viscosity enkulu.
Izinga lokushisa:I-viscosity iyancipha ngokukhuphuka kwezinga lokushisa.
Ukuzwela kwe-pH:Izixazululo ze-HPMC zizinzile ngaphakathi kwebanga le-pH lika-3-11 kodwa zingehlisa izinga ngaphandle kwalolu bubanzi.
Isilinganiso se-Shear:I-HPMC ibonisa izakhiwo zokugeleza okungezona ezase-Newtonian, okusho ukuthi i-viscosity iyancipha ngaphansi kwengcindezi ye-shear.
Ukucatshangelwa okuqondene nohlelo lokusebenza
Ezemithi:I-HPMC isetshenziswa ekwakhiweni kwezidakamizwa ukuze kukhululwe okulawulwayo nanjenge-binder kumaphilisi. Amabanga aphansi e-viscosity (100–400 mPa·s) ayakhethwa ekwakhiweni, kuyilapho amabanga aphezulu (15,000+ mPa·s) asetshenziselwa ukwakheka kokukhishwa okuqhubekayo.
Ukwakha:I-AnxinCel®HPMC isebenza njenge-ejenti yokugcina amanzi nokunamathela emikhiqizweni esekwe usimende. Amabanga ane-viscosity ephezulu (ngaphezu kuka-4,000 mPa·s) alungele ukuthuthukisa ukusebenza namandla okubopha.
Izimonyo Nokunakekela Umuntu:Kuma-shampoos, izinto zokuthambisa, namakhilimu, i-HPMC isebenza njenge-thickener ne-stabilizer. Amabanga e-viscosity amaphakathi (400–1,500 mPa·s) anikeza ibhalansi elungile phakathi kokuthungwa nokugeleza kwezakhiwo.
Imboni Yokudla:Njengesengezo sokudla (E464), i-HPMC ithuthukisa ukuthungwa, ukuzinza, nokugcinwa komswakama. Amabanga aphansi e-viscosity (5–100 mPa·s) aqinisekisa ukuhlakazeka okufanele ngaphandle kokujiya ngokweqile.
Ukukhethwa kweI-HPMCIbanga le-viscosity lincike ekusetshenzisweni okuhlosiwe, elinamamaki e-viscosity aphansi afanele izixazululo ezidinga ukujiya okuncane kanye namamaki aphezulu e-viscosity asetshenziswa ekwenziweni okudinga izinto ezinamathelayo ezinamandla neziqinisayo. Ukulawulwa kwe-viscosity okufanele kuqinisekisa ukusebenza okusebenzayo ezimbonini zemithi, ezokwakha, zokudla, nezimonyo. Ukuqonda izici ezithonya i-viscosity kusiza ekwandiseni ukusetshenziswa kwe-HPMC kwezinhlelo zokusebenza ezahlukahlukene zezimboni.
Isikhathi sokuthumela: Feb-11-2025