Kodi hpmc hydrophilic kapena lipophilic?

Hydroxypropyl methylcellulose (hpmc) ndi polymer yogwiritsidwa ntchito poimba ndi mapulogalamu osiyanasiyana mu mankhwala, chakudya, zodzoladzola komanso zomangamanga. Funso la Hydrophilicity ndi lipophilicity ya HPMC makamaka limatengera kapangidwe kake ndi ma molecular katundu.

Kapangidwe ka mankhwala ndi katundu wa hpmc
HPMC ndi ma cellulose omwe samapangidwa ndi ma hydroxypropyl ndi methyl m'magulu a cellulose. Mafuta ake amakhala ndi hydrophilic hydroxyl (-oh) ndi lipophilic methyl (-ch3) ndi hydroxypropyl (-ch2ch (-ch2ch (oh) Magulu. Chifukwa chake, ili ndi mabungwe awiri, hydrophilic ndi lipophilic, koma hydrophilicity imalamulira pang'ono pang'ono. Katunduyu amapereka kusungunuka bwino, kupanga filimu ndi kukula kwamitundu, ndipo imatha kupanga mabala okhazikika a colloidal m'matumba ndi okhazikika.

Hydrophilicity wa hpmc
Chifukwa cha magulu ambiri a ma hydroxyl omwe ali mu hpmc kapangidwe, unyolo wake wa molecular umakhala ndi hydrophilicity yamphamvu. M'madzi, hpmc amatha kupanga zomangira za haidrojeni, kulola mamolekyulu kuti asungunuke m'madzi ndikupanga yankho lalitali kwambiri. Kuphatikiza apo, HPMC imakhalanso ndi madzi abwino kwambiri ndipo imagwiritsidwa ntchito ngati thiccener ndi okhazikika ka mankhwala, chakudya ndi zodzoladzola. Mwachitsanzo, HPMC itha kugwiritsidwa ntchito ngati womasulidwa-pokonzekera mankhwala opanga mankhwala kuti achepetse kumasulidwa kwa mankhwalawa m'thupi ndikuwongolera kukhazikika kwa mankhwala.

Lipophilicity ya HPMC
Magulu a methyl ndi hydroxypyl mu hpmc molekyulu ya HPMC ilinso ndi hydrophobicity, kotero HPMC ilinso ndi Lipophilicity ina, makamaka polortity kapena okhazikika kuti apange yankho lokhazikika. Lipopulicity yake imathandizira kusakaniza ndi zinthu zina za mafuta, zomwe zimathandizira kugwiritsa ntchito kwa HPMC mu madzi-madzi (o / w) emulsions ndi ma latexes. Mu emulsions ena kapena kukonzekera kwawiri, Lipophilicity ya HPMC imathandizira kupanga dongosolo lomwalira ndi zinthu za hydrophobic zinthu zomwe zimapangitsa kugawanika ndi kukhazikika kwa zosakaniza.

Kugwiritsa ntchito HPMC
Kukonzekera kwa mankhwala kwa mankhwala: hpmc nthawi zambiri amagwiritsidwa ntchito ngati zowongolera mapiritsi, pogwiritsa ntchito hydrophilicity yake ndi mawonekedwe opanga mafilimu kuti aziwongolera kuchuluka kwa mankhwalawa.
Makampani Ogulitsa Chakudya: Mu chakudya, hpmc imagwiritsidwa ntchito ngati thickiner ndi madzi osungira alumali moyo wa chakudya ndikusintha kukoma.
Zipangizo zomangira: Madzi omanga a HPMC '
Zodzikongoletsera: Pazinthu zosamalira khungu, hpmc zitha kugwiritsidwa ntchito ngati emulsifier kukhazikika. Chifukwa cha hydrophilicity yake, imatha kupanga matrix am'madzi kuti azikhala ndi chinyontho chochita ndi kapangidwe kake.
HPMC ndi chinthu chopezeka polymer zomwe zili ndi hydrophilic ndi lipophilic, koma chifukwa zimakhala ndi magulu a hydroxyl, imawonetsa hydrophilicity wamphamvu.