I-Hydroxylopenyl cellulose (HPMC) iyi-polymer yokwenziwa esetshenziswa kabanzi ezinhlotsheni ezahlukene ezifana nemithi, ukudla, izakhiwo kanye nezimonyo. Ivela ku-cellulose futhi yakha i-glue coagulant ku-hydrophilic. Uhlobo oluhlanzekile lwe-HPMC luyimpuphu emhlophe engenambitheki encibilikiswa emanzini ukuze yakhe isixazululo se-mucus esibonakalayo.
Ukuxutshwa kwe-HPMC inqubo yokwengeza noma ukuxuba izinto ezihlanzekile kwezinye izinto ukuze kushintshwe izici zayo noma kuncishiswe izindleko zokukhiqiza. Ukuxuba ku-HPMC kungashintsha izakhiwo zomzimba, zamakhemikhali kanye nezemishini ze-HPMC. I-HPMC isebenzisa izinto eziningana ezivamile zokuxuba, okuhlanganisa isitashi, iphrotheni yamagilebhisi, i-cellulose, i-sucrose, i-glucose, i-carboxymethyl cellulose sodium (CMC) kanye ne-polyethylene ethylene (PEG). Ukwengezwa kwalaba bantu abadala kuzolimaza ikhwalithi, ukuphepha kanye nokusebenza kahle kwe-HPMC.
Kunezinhlobo eziningana zomehluko phakathi kwe-HPMC emsulwa kanye ne-cellulose yokuxuba:
1. Ubumsulwa: Umehluko omkhulu phakathi kwe-HPMC emsulwa kanye ne-cellulose yokuxutshwa ubumsulwa bayo. I-HPMC emsulwa iyinto eyodwa engenazo izingcola noma izithasiselo. Ngakolunye uhlangothi, i-cellulose yokuxutshwa iqukethe ezinye izinto, okungaba ezinye izinto ezithinta ngamabomu noma ngokungahlosile ikhwalithi kanye nezici zazo.
2. Izici zomzimba: I-HPMC emsulwa uhlobo lwempuphu emhlophe, engenambitheki, encibilikayo emanzini ukuze yakhe isixazululo esibonakalayo esiqinile. I-HPMC yokuxubha ingaba nezici zomzimba ezihlukile, kuye ngohlobo kanye nobuningi be-ejenti yokuxubha eyengeziwe. Ukungena kungathinta ukuncibilika, ukuthamba kanye nombala wezinto ezibonakalayo.
3. Izici zamakhemikhali: I-HPMC emsulwa iyi-polymer emsulwa kakhulu enezici zamakhemikhali ezihambisanayo. Ukwamukelwa kwezinye izinto kungashintsha izici zamakhemikhali ze-HPMC, okuthinta imisebenzi yayo kanye nokuphepha kwayo.
4. Ukuphepha: Ukusetshenziswa kwe-cellulose yokuxubha kungaba yingozi empilweni ngoba lokhu kuxubha kungaba nezinto ezinobuthi noma eziyingozi. I-HPMC yokuxubha ingase futhi ihlanganyele nezinye izinto ngendlela engalindelekile, okubangela izinkinga ezinkulu zempilo.
5. Izindleko: I-cellulose eguquliwe ishibhile kune-HPMC emsulwa, ngoba ukungezwa kwama-doping agents kuzonciphisa izindleko zokukhiqiza. Kodwa-ke, ukusetshenziswa kwe-HPMC yokuxuba ekukhiqizeni izidakamizwa noma eminye imikhiqizo kungalimaza ikhwalithi kanye nokusebenza kahle komkhiqizo.
Sekukonke, i-HPMC emsulwa iyi-polymer emsulwa kakhulu futhi ephephile, enezici zamakhemikhali nezomzimba ezihambisanayo. Ukuxuba nezinye izinto kungashintsha izici ze-HPMC, ngaleyo ndlela kulimaze ikhwalithi nokuphepha komkhiqizo. Ngakho-ke, i-HPMC emsulwa kumele isetshenziswe ekukhiqizeni izidakamizwa, ukudla, izakhiwo kanye neminye imikhiqizo.
Isikhathi sokuthunyelwe: Juni-26-2023