Hydroxypropylmethylcelulose (hpmc) ndi ma cellulose omwe amagwiritsidwa ntchito nthawi zambiri amagwiritsidwa ntchito m'mafakitale osiyanasiyana, kuphatikizapo za mankhwala osiyanasiyana, zomanga ndi chakudya. Makulidwe ake amatha kukhala osiyanasiyana kudalira zinthu monga kulemera kwake, kuchuluka kwa kuloweza, komanso njira yothetsera mavuto.
Kuyamba kwa Hydroxypropyl Methylcellulose (HPMC)
Hydroxypylm methylcellulose ndi polymer polymer yopangidwa ndi kusintha kwa mankhwala kwa cellulose. Chifukwa cha malo ake apadera, imagwiritsidwa ntchito kwambiri ngati thiccener, othandizira, kanema wakale ndi okhazikika m'mapulogalamu osiyanasiyana.
Kapangidwe kake ndi kapangidwe kake
HPMC imakhala ndi msana wa cellulose ndi hydroxypypyl ndi methoxy m'malo. Mulingo wa zolowa m'malo (DS) amatanthauza kuchuluka kwa magawidwe am'madzi pa anilroglucose mu unyolo wapanjala. Mtengo wapadera wa DS umakhudza zolimbitsa thupi ndi mankhwala a HPMC.
HPMC Isctoni
Makulidwe ndi gawo lofunikira la hpmc, makamaka pazogwiritsa ntchito zomwe zimagwirizanitsa katundu wake ndikuyika katundu.
Makutu a HPMC mayankho a HPMC imakhudzidwa ndi zinthu zambiri:
1. Kulemera kwa molecular
Kulemera kwa HPMC kumakhudza mafayilo ake. Mwambiri, ma bolone olemera olemera amakonda kupanga mayankho apamwamba a ma vincy. Pali mitundu yosiyanasiyana ya hpmc pamsika, aliyense wokhala ndi ma cell olemera.
2. Ma digiri ya zolowetsa (DS)
Makhalidwe a DS Hydroxypyl ndi methoxy amakhudza kusoka ndi mafayilo a HPMC. Mfundo zapamwamba za DS nthawi zambiri zimapangitsa kuwonjezeka kwamadzi ndikutha kwamphamvu.
3. Kuzindikira
Kukhazikika kwa HPMC mu njira ndi chinthu chofunikira chomwe chikukhudza mafayilo. Pamene kuphatikizidwa kumawonjezeka, maonedwe amawonjezeka. Ubalewu nthawi zambiri umafotokozedwa ndi Krieger-Doughert.
4. Kutentha
Kutentha kumakhudzanso mafayilo a HPMC. Nthawi zambiri, mafayilo amachepetsa monga kutentha kumawonjezeka.
Madera Ogwiritsa Ntchito
Mankhwala ogwiritsa ntchito mankhwala: hpmc amagwiritsidwa ntchito popanga mankhwala opangira mankhwala, kuphatikizapo mapiritsi ndi ma ophthalmic njira, komwe kumasulidwa ndi mafadwe ndikofunikira.
Ntchito Yomanga: Mu makampani omanga, hpmc imagwiritsidwa ntchito ngati thickir mu zinthu zopangidwa ndi simenti kuti zithandizire kugwirira ntchito komanso kusungidwa kwamadzi.
Makampani ogulitsa zakudya: HPMC imagwiritsidwa ntchito ngati thicker, ribiliface ndi emulsifier mu chakudya.
Makutu a hydroxypropyll methylcellulose ndi malo ovuta omwe akhudzidwa ndi zinthu zingapo monga kulemera kwa ma celecular, digiri yokhazikika, kukhazikika komanso kutentha. Magawo osiyanasiyana a HPMC amapezeka kuti agwirizane ndi mapulogalamu enaake, ndipo opanga amapanga ma sheet apaukadaulo omwe amafotokoza za kalasi iliyonse yomwe ili pansi pa kalasi iliyonse. Ofufuzawo ndi okongoletsa ayenera kuganizira zinthu izi kuti agwirizane ndi katundu wa HPMC kuti akwaniritse zofunika pazomwe akufuna.
Post Nthawi: Jan-20-2024