I-Hydroxypropyl methylcellulose (HPMC)iyi-polymer eguquguqukayo esetshenziswa ezimbonini ezifana nemithi, ezokwakha, izimonyo, ukudla, kanye nokunakekelwa komuntu siqu. I-viscosity ye-HPMC idlala indima ebalulekile ekunqumeni ukufaneleka kwayo ezinhlotsheni ezahlukene zokusebenza. I-viscosity ithonywa isisindo sama-molecule, izinga lokufakwa esikhundleni, kanye nokuhlushwa. Ukuqonda amazinga afanele e-viscosity kubalulekile ekukhetheni i-HPMC efanele izidingo ezithile zezimboni.
Ukulinganisa Ukuqina
I-viscosity ye-AnxinCel®HPMC ivame ukulinganiswa ngezixazululo zamanzi kusetshenziswa i-viscometer ejikelezayo noma ye-capillary. Izinga lokushisa elijwayelekile lokuhlola lingu-20°C, kanti i-viscosity ivezwa ngemizuzwana ye-millipascal (mPa·s noma cP, centipoise). Amazinga ahlukahlukene e-HPMC ane-viscosities ehlukene kuye ngokuthi isetshenziswa kanjani.
Amabanga e-Viscosity kanye nezicelo zawo
Ithebula elingezansi lichaza amazinga avamile e-viscosity e-HPMC kanye nezicelo zawo ezihambisanayo:
| Ibanga Lokugoba (mPa·s) | Ukugxila Okuvamile (%) | Isicelo |
| 5 – 100 | 2 | Amaconsi amehlo, izithasiselo zokudla, ama-suspension |
| 100 – 400 | 2 | Izimbozo zamathebhulethi, izihlanganisi, izinamathiseli |
| 400 – 1,500 | 2 | Ama-emulsifier, izinto zokugcoba, izinhlelo zokulethwa kwemithi |
| 1,500 – 4,000 | 2 | Izinto zokuqinisa, imikhiqizo yokunakekela umuntu siqu |
| 4,000 – 15,000 | 2 | Ukwakhiwa (izinamathiselo zamathayili, imikhiqizo esekelwe kusimende) |
| 15,000 – 75,000 | 2 | Imithi ekhishwa ngokulawulwa, ama-grout okwakha |
| 75,000 – 200,000 | 2 | Izinamathelisi ezinamathelayo ezinokuqina okuphezulu, ukuqinisa usimende |
Izici Ezithinta Ukujiya
Kunezici eziningana ezithonya ukujiya kwe-HPMC:
Isisindo sama-molecule:Isisindo esiphezulu sama-molecule siholela ekuqineni okukhulu kwe-viscosity.
Izinga Lokufaka Esikhundleni:Isilinganiso samaqembu e-hydroxypropyl kanye ne-methyl sithinta ukuncibilika kanye nokuthambekela.
Ukugxila Kwesixazululo:Ukugxila okuphezulu kubangela ukujiya okukhulu.
Izinga lokushisa:Ukuqina kwesikhumba kwehla ngokushisa okwandayo.
Ukuzwela kwe-pH:Izixazululo ze-HPMC zizinzile ngaphakathi kobubanzi be-pH obungu-3-11 kodwa zingawohloka ngaphandle kwalolu bubanzi.
Izinga Lokugunda:I-HPMC ibonisa izakhiwo zokugeleza okungezona eze-Newtonian, okusho ukuthi i-viscosity iyancipha ngaphansi kokucindezeleka kokucheba.
Izinto Ezicatshangelwayo Eziqondene Nesicelo
Imithi:I-HPMC isetshenziswa ekwakhiweni kwemithi yokukhululwa okulawulwayo kanye nesibambisi emathebulethini. Amazinga aphansi e-viscosity (100–400 mPa·s) ayathandwa kakhulu ekumbozweni, kuyilapho amazinga aphezulu (15,000+ mPa·s) esetshenziswa ekwakhiweni kokukhululwa okuqhubekayo.
Ukwakhiwa:I-AnxinCel®HPMC isebenza njenge-ejenti yokugcina amanzi kanye ne-glue emikhiqizweni esekelwe kusimende. Amazinga aphezulu okunamathela (ngaphezu kuka-4,000 mPa·s) afaneleka kakhulu ekuthuthukiseni ukusebenza kahle kanye namandla okubopha.
Izimonyo Nokunakekelwa Komuntu Siqu:Kuma-shampoo, ama-lotion, kanye nama-creams, i-HPMC isebenza njengesithambisi kanye nesiqinisi. Amazinga aphakathi e-viscosity (400–1,500 mPa·s) ahlinzeka ngebhalansi efanele phakathi kokuthungwa kanye nezakhiwo zokugeleza.
Imboni Yokudla:Njengesengezo sokudla (E464), i-HPMC ithuthukisa ukuthungwa, ukuzinza, kanye nokugcinwa komswakama. Amazinga aphansi e-viscosity (5–100 mPa·s) aqinisekisa ukusabalala okufanele ngaphandle kokujiya ngokweqile.
Ukukhethwa kweI-HPMCIzinga le-viscosity lincike ekusetshenzisweni okuhlosiwe, ngama-viscosity grade aphansi afanelekela izixazululo ezidinga ukuqina okuncane kanye nama-viscosity grade aphezulu asetshenziswa ekwakhiweni okudinga ukunamathela okuqinile kanye nezakhiwo zokuzinza. Ukulawulwa kwe-viscosity okufanele kuqinisekisa ukusebenza okuphumelelayo ezimbonini zemithi, ezokwakha, ezokudla, kanye nezimonyo. Ukuqonda izici ezithonya i-viscosity kusiza ekwenzeni ngcono ukusetshenziswa kwe-HPMC kwezicelo ezahlukahlukene zezimboni.
Isikhathi sokuthunyelwe: Feb-11-2025