Indima ebalulekile ye-HPMC ngodaka oluxutshwe ngokukhethekile inezici ezintathu ezilandelayo:
1. I-HPMC inomthamo omuhle kakhulu wokugcina amanzi.
2. Ithonya le-HPMC ekuguquguqukeni kanye ne-Thixotropy yodaka oluxutshwe olumanzi.
3. Ukuxhumana phakathi kwe-HPMC kanye nosimende.
Ukugcinwa kwamanzi kungukusebenza okubalulekile kwe-HPMC, futhi futhi kungukusebenza okuthi abakhiqizi bakaDotara abaxubekile abaningi abanaka.
Umphumela wokugcina amanzi we-HPMC uncike emazingeni amumayo wamanzi, ukwakheka kodaka, ukushuba kodaka, ukufunwa kwamanzi ngodaka, kanye nesikhathi sokubeka izinto ezibonakalayo.
I-HPMC - Ukugcinwa kwamanzi
Ukushisa kwe-gel kwe-gel ye-HPMC, ukugcinwa kwamanzi kangcono.
Izici ezithinta ukugcinwa kwamanzi kodaka oluxutshwe nama-HPMC, inani lokungezelela, inhlawulo yezinhlayiyana kanye nokusebenzisa izinga lokushisa.
I-Viscosity iyipharamitha ebalulekile yokusebenza kwe-HPMC. Ngomkhiqizo ofanayo, imiphumela ye-visacosity elikalwe ngezindlela ezahlukahlukene ziyahlukahluka kakhulu, futhi abanye baphinde baphindwe kabili umehluko. Ngakho-ke, lapho uqhathanisa ama-viscosities, kudingeka kwenziwe phakathi kwezindlela ezifanayo zokuhlola, kufaka phakathi izinga lokushisa, i-spindle, njll. Ngokuvamile ukukhuluma, kuphakama ngokuvamile, kuphakama i-viscosity, kungcono ukuvezwa kwamanzi.
Kodwa-ke, ukukhuphuka kwesisindo kanye nokuncipha kwe-hpmc, ukwehla okuhambisanayo kwe-solubelity yayo kuzoba nomthelela ongemuhle emandleni nasekusebenzeni kokwakha kodaka. Lapho kuphakama i-viscosity, kusobala kakhulu umphumela wokuqina wodaka, kepha ungabi khona. Lapho esekhuphuka i-viscosity, i-viscous kakhudlwana ngodaka olumanzi, olukhombisa ukunamathela ku-scraper ngesikhathi sokwakhiwa nokunamathela okuphezulu kuya engxenyeni engezansi. Kodwa-ke, i-HPMC ingenamthelela omncane ekuthuthukiseni amandla wesakhiwo sodumo omanzi uqobo, okubonisa ukuthi ukusebenza okulwa nokuhlanza akubonakali. Ngokuphambene nalokho, enye i-HPMC eguquliwe enokubonakala okuphakathi nendawo okuphansi ihle kakhulu ekuthuthukiseni amandla ahlelekile ngodaka olumanzi.
Ubumsulwa be-HPMC bunalo nethonya elithile ekugcinweni kwalo kwamanzi. Ngokuvamile, nge-HPMC enokubonakala okufanayo kepha okuhlukile, i-HPMC, i-HAMCC itholakale ngaphansi kwenani elifanayo lezengezo.
Isikhathi sePosi: Jun-15-2023