Uyini umehluko phakathi kwe-hydroxyethyl celtulose (HEC) ne-hydroxypropylllose (HPC)

I-Hydroxyyethyl cellulose (HEC) neHydroxypropylllul (HPC) zombili eziphumayo ze-cellulose, i-polymer eyenzeka ngokwemvelo etholakala ezitshalweni. Zisetshenziswa kabanzi emikhakheni ehlukahlukene, kufaka phakathi amakhambi, izimonyo, ukudla kanye nokwakha, ngenxa yezakhiwo zazo ezihlukile. Ngenkathi bobabili i-HEC ne-HPC yokwabelana ngokufana okufanayo ngokwesakhiwo sabo samakhemikhali kanye nezicelo, banomehluko ohlukile obenza balungele izinhloso ezihlukile.

Isakhiwo samakhemikhali:
I-HEC: I-Hydroxyyethyl celtulose isuselwa ku-cellulose ngokusebenzisa ukufaka esikhundleni samaqembu ama-hydroxy.
I-HPC: I-Hydroxypropylllulose isuselwa ku-cellulose ngokusebenzisa ukufaka esikhundleni samaqembu e-hydroxy.

I-Solubity:
I-HEC: Iyancibilika emanzi abandayo nawashisayo, akha izixazululo ezicacile.
I-HPC: iyancibilika emanzini abandayo kepha ifomu izixazululo ezicacile emanzini ashisayo.

I-Viscosity:
I-HEC: Ngokuvamile, i-HEC ikhombisa ukubonakala okuphezulu ngokuqhathaniswa ne-HPC, ikakhulukazi ekugxileni okuphansi.
I-HPC: I-HPC imvamisa inokubona okuphansi okuqhathaniswa ne-HEC, okwenza kube lula kakhulu izinhlelo zokusebenza lapho kufiswa khona izicelo eziphansi ze-viscosity.

Ukuqina okushisayo:
I-HEC: I-HEC yaziwa ngokuqina kwayo okuhle okushisayo, okwenza ilungele izinhlelo zokusebenza lapho kulindelwe khona amazinga okushisa aphezulu.
I-HPC: I-HPC ibuye ibuye ibonise ukuqina okuhle okushisayo kepha ingahle ibe namazinga okushisa ahlukene okufaka isicelo ngokuqhathaniswa ne-hec ngenxa yesakhiwo sayo samakhemikhali ahlukile.

Ukulupheka:
I-HEC: Iyahambelana nezinhlobonhlobo zezinye izithako, kufaka phakathi ama-surfactants, usawoti, namanye ama-polymers.
I-HPC: Ngokufanayo, i-HPC nayo iyahambisana nezithasiselo ezahlukahlukene ezisetshenziswa kakhulu ezimbonini ezinjengemithi kanye nezimonyo.

Ifilimu Yakha Izakhiwo:
I-HEC: I-HEC inezakhiwo ezinhle zokwakha amafilimu, okwenza zilungele izinhlelo zokusebenza lapho kudingeka khona ukwakheka kwefilimu emincane, efanayo, njengasekuhlotsheni nasezinamathitsheni.
I-HPC: I-HPC ibuye ibuye ibonise izakhiwo ezakha amafilimu, yize zinezimpawu ezihlukile kancane ngokuqhathaniswa ne-HEC, ngokuya ngezidingo ezithile zohlelo lokusebenza.

I-Hydration:
I-HEC: I-HEC inezinga eliphakeme le-hydration, lifaka isandla emandleni ayo okwenza izixazululo ezicacile nezizinzile emanzini.
I-HPC: I-HPC futhi i-hydrate kahle emanzini, yize izinga le-hydration lingahluka ngokuya ngezinto ezifana nokushisa nokuhlushwa.

Izicelo:
I-HEC: Ngenxa yokubonakala kwayo okuphezulu kanye ne-solubility enhle kakhulu yamanzi, i-hec ivame ukusetshenziswa njenge-ejenti yokuqina, i-stabilizer, ne-ejenti yokugcinwa kwamanzi emikhiqizweni efana nopende, izimonyo, ama-detergentis.
I-HPC: I-Viscosity ephansi ye-HPC kanye ne-solubity yamanzi amahle yenza ilungele izinhlelo zokusebenza lapho kufiswa khona isixazululo esiphansi, njengasesixazululweni se-ophthalmic, imikhiqizo yokunakekelwa komlomo, ukukhishwa kwezidakamizwa ezilawulwayo, kanye ne-binder kumathebulethi wezemithi.

Ngenkathi zombili i-hydroxyethylllls (HEC) ne-hydroxypropylllose (HPC) ziyizisulu zezicelo ezifanayo ezimbonini ezahlukahlukene, ziyehluka ngokuya ngesakhiwo sazo samakhemikhali, zihlukile, izici ezishisayo, izici ze-hydration, nezicelo ezithile. Ukuqonda lo mehluko kubalulekile ekukhetheni okutholakala okulungele kakhulu iselula kuhlelo lokusebenza oluthile noma ukwakhiwa.