Hydroxypropyl methylcellulose (hpmc) ndi zopangidwa mwapakati, zomwe sizikugwiritsa ntchito polymer madzi zomwe zimagwiritsidwa ntchito kwambiri m'mankhwala monga mankhwala, chakudya, zodzoladzola komanso zida zodzola. Ubwenzi wapakati pa kulemera kwake ndi ufa umakhudzanso ntchito yake m'njira zosiyanasiyana.
1. Solubility ndi mawonekedwe a makanema
Makulidwe a HPMC amakhudza mwachindunji kusungunuka kwake m'madzi. HPMC yokhala ndi mafayilo otsika amatha kusungunuka m'madzi mwachangu ndikupanga yankho lowunikira komanso lolondola, lomwe ndi loyenera kugwiritsa ntchito zomwe zimafuna kufalitsidwa mwachangu, monga masinthidwe adothi pompopompo. HPMC yokhala ndi mafayilo apamwamba amafunikira nthawi yayitali kusungunuka nthawi yayitali, koma imatha kupereka makulidwe ndi mphamvu bwino popanga filimu, motero ndizoyenera piritsi, filimu yoteteza komanso monga matrix omasulira pakukonzekera kumasulidwa.
2. Kukhazikika ndi kutsatsa
HPMC yokhala ndi mafayilo apamwamba nthawi zambiri imakhala ndi baterion ndi kutsatira. Mwachitsanzo, mukamagwiritsa ntchito ngati thunthu la simenti kapena gypsum-zopangidwa ndi majekita omanga, zimatha kusintha njira yake yosungiramo madzi, kukana kuwonjezera nthawi yomanga, ndikuthandizira kusweka. M'makampani opanga mankhwala, mafayilo apamwamba a HPMC amagwiritsidwa ntchito kuwongolera kuchuluka kwa mankhwalawa. Kutsatira kwake kwakukulu kumapangitsa kuti mankhwalawa atulutsidwe pang'onopang'ono mthupi ndikusintha bioavailability wa mankhwala.
3. Kuyimitsidwa ndi emulsization
Kusintha kwa ma visclence kumakhudzanso kuyimitsidwa ndi mawonekedwe a emulsization a hpmc. Chifukwa cha unyolo wake wamfupi, wotsika-visct hpmc ndioyenera kugwiritsa ntchito ngati kuyimilira. Imatha kuyimitsa bwino zigawo zina mu mankhwala amadzimadzi komanso kupewa mpweya. HPMC yokhala ndi mafayilo apamwamba amatha kupanga mawonekedwe amphamvu pa netiweki chifukwa cha manyolo ake molecular, motero zimachita bwino kukhazikika kwa emulsions ndi kuyimitsidwa ndipo kumatha kukhalabe ofanana kwa nthawi yayitali.
4. Rhelogy ndi ntchito
Mitundu ya rheogical ya HPMC ndinso chinthu chofunikira kwambiri chomwe chakhudzidwa ndi mafayilo. Makonda otsika hpmc hpmc amawonetsa kuti madzi abwino amathandizira, ndizosavuta kutsuka ndikugwiritsa ntchito, ndipo nthawi zambiri amagwiritsidwa ntchito pazinthu zosamalira khungu ndi zojambula. Kuthetsa kwa HPMC kwa HPMC kumakhala ngati madzi osakhala achi Newtonia ndipo ali ndi miseche. Khalidwe ili limapangitsa kukwera kwambiri hpmc mosavuta kuti mugwire pansi pa zingwe zazitali, pomwe mukukhala ndi mawonekedwe ochulukirapo pansi pa malo okhazikika, potengera mawonekedwe a filimuyo ndi kukhazikika kwa malonda.
5. Zolemba
Gawo la mankhwala kuchuluka kwa mankhwala osokoneza bongo.
Gawo la Chakudya: Kumwadzidzidzi, ma vist-otsika hpmc amatha kusungunuka mwachangu popanda kutseka; M'malonda ophika, mafayilo apamwamba a HPMC amatha kusintha madzi atanyamula mphamvu ndikuwonjezera kukoma ndi kuthira kumayikota kwa zinthu zophika.
Gawo la zomanga: Kumanja ndi zokutira, ma virus otsika hpmc amathandizira kumanga ntchito ndikuwongolera bwino; Ngakhale mafayilo apamwamba a HPMC amathandizira makulidwe ndi kukana kwa salg.
Makulidwe a HPMC ndi gawo lofunikira lomwe limatsimikiza momwe amagwirira ntchito. Ma visc otsika HPMC amagwiritsidwa ntchito pomwe kusungunuka mosavuta ndi maluwa akufunika, pomwe kukwera kwa Visct Hopmc ndi kopindulitsa kwambiri pakugwiritsa ntchito, mapangidwe abwino a filimu komanso kukhazikika. Chifukwa chake, kusankha hpmc ndi mawonekedwe oyenera ndikofunikira kuti mukonze machitidwe ake m'minda yosiyanasiyana.
Post Nthawi: Jul-08-2024