Pofuna kuyerekezera CMC (Carboxymethylcellulose) ndi hpmc (hydroxypropylmelose), tiyenera kumvetsetsa za zinthu zawo, mapulogalamu, zabwino, komanso zomwe zingagwiritsidwe ntchito, komanso zomwe zingagwiritsidwe ntchito, komanso kugwiritsa ntchito milandu. Onse otumphukira amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana, kuphatikizapo zamankhwala, chakudya, zodzola komanso zomangamanga. Iliyonse ili ndi zinthu zapadera zomwe zimawapangitsa kukhala oyenera pazikhalidwe zosiyanasiyana. Tiyeni tiwone mozama kuti muwone kuti ndi iti yomwe ili yabwino pamachitidwe osiyanasiyana.
1. Tanthauzo ndi kapangidwe:
CMC (Carboxymethylcellulose): CMC ndi mankhwala osungunuka madzi osungunuka opangidwa ndi zomwe apambana cellulose ndi chlorooceic asidi. Ili ndi magulu a carboxymethyl (-ch2-cooh) amalumikizidwa ndi magulu ena a hlucopyranurranor omwe amapanga msana wakubwerera wa cellulose.
HPMC (hydroxypypyl methylcellulose): HPMC ilinso mankhwala osokoneza bongo omwe amapangidwa ndi cellulose ndi ma propyl chloride. Muli ma hydroxypyl ndi methoxy magulu omwe amaphatikizidwa ndi msana wakubwerera m'mphepete.
2. Solubility:
CMC: Sungunulani kwambiri m'madzi, ndikupanga mawonekedwe owonekera, ma viscous. Imawonetsa zoyenda zama pseudoplastic, zomwe zikutanthauza kuti ma viscy amachepetsa pansi pamavuto.
HPMC: Amasungunuka m'madzi, ndikupanga njira yothetsera pang'ono kuposa cmc. Imawonetsanso zamakhalidwe pseudoplastic.
3.Rerfictoological:
CMC: Zithunzi zowoneka bwino zopendekera, zomwe zikutanthauza kuti ma viscy amachepetsa ndikuwonjezeka. Katunduyu amapangitsa kuti ikhale yoyenera pakugwiritsa ntchito komwe kukufunika koma yankho lake likufunika kuyenda pansi mosavuta pansi pa mishoni, monga zopatsira zotupa, zotupa ndi mankhwala osokoneza bongo.
HPMC: Zithunzi zofanizira zofananira ndi cmc, koma ma virus nthawi zambiri amakhala okwera pamiyeso yotsika. Ili ndi katundu wopanga mafilimu, ndikupangitsa kukhala koyenera kwa mapulogalamu monga zopindulitsa, zomatira ndi mawonekedwe osokoneza bongo.
4. Khalidwe:
CMC: Nthawi zambiri zimakhala zokhazikika pa ph ndi kutentha. Imatha kulolera kuchuluka kwa ma electrolyte.
HPMC: Kukhazikika kuposa cmc pansi pa acidic mikhalidwe, koma itha kupezeka hydrolysis pansi pa milkiline. Imagwirizananso ndi masipoti, zomwe zingayambitse ming'alu kapena mpweya.
5.
CMC: Kugwiritsidwa ntchito kwambiri ngati thicker, okhazikika ndi ayisikilimu (monga ayisikilimu, msuzi), mapiritsi, kuyimitsidwa (monga zonona, mafuta odzola).
HPMC: Nthawi zambiri amagwiritsidwa ntchito pomanga (mwachitsanzo, matoma a sile, pulasitala, matope), mapiritsi osinthika (mwachitsanzo, madontho a pakhungu).
6. Kuopsa ndi chitetezo:
CMC: Nthawi zambiri amadziwika kuti ndi otetezeka (gras) ndi mabungwe oyang'anira akagwiritsidwa ntchito muzomwe zidagwiritsidwa ntchito mu chakudya ndi mankhwala opangira mankhwala. Ndi biodegrad komanso osadandaula.
HPMC: Komanso zimawonekanso zotetezeka pakugwiritsa ntchito malire omwe akulimbikitsidwa. Ndiogwiritsidwa ntchito kwambiri mu gawo la mankhwala monga othandizira kutulutsa ndi piritsi.
7. Mtengo ndi kupezeka:
CMC: Mtengo wotsika mtengo kwambiri kuposa hpmc. Imapezeka mosavuta kuchokera ku zogulitsa zosiyanasiyana padziko lonse lapansi.
HPMC: zochepa kwambiri chifukwa cha zomwe amapanga komanso zomwe nthawi zina zimaperekedwa kwa otumiza ena.
8. Zotsatira za chilengedwe:
CMC: Biodegradle, yochokera ku zinthu zokonzanso (cellulose). Imaganiziridwa zachilengedwe.
HPMC: Komanso Biodegradler komanso yochokera ku cellulose, moteronso kukhala ochezeka.
Onse a CMC ndi HPMC ali ndi malo apadera omwe amawapangitsa kukhala owonjezera owonjezera m'mafakitale ambiri. Kusankha pakati pawo kumatengera njira zina monga kusungunuka monga kusungunuka, mafakisoni, kukhazikika komanso ndalama. Mwambiri, CMC itha kusankhidwa chifukwa cha mtengo wake wotsika, mafa omangika, komanso oyenera kudya ndi ntchito zodzikongoletsera. Komabe, mukhoza kukondedwa chifukwa cha mafayilo ake apamwamba, malo abwino opanga mafilimu, ndi ntchito zamankhwala opangira mankhwala ndi zomangamanga. Pomaliza, kusankhidwa kuyenera kufotokozedwa mokwanira zinthu izi komanso kuphatikizidwa ndi ntchito yomwe mukufuna.
Post Nthawi: Feb-21-2024