Hydroxypypyl methylcellulose (hpmc) ndi cellulose yopanda inic yogwiritsidwa ntchito kwambiri m'mafakitale ambiri monga mankhwala osokoneza bongo omwe amapezeka ndi cellulose. Ili ndi madzi abwino kusungunuka, kukulira, mawonekedwe a filimu, zomatira, emulsization, mafuta ndi bata.
1. Solubility ndi kusungunuka madzi
HPMC ili ndi madzi abwino kwambiri amadzi ndipo imasungunuka mwachangu m'madzi ozizira kuti apange yankho la colboidal kapena pang'ono. Kusungunuka kwake kumakhudzidwa ndi kuchuluka kwa mpweya komanso kulemera kwa molecular. Mitundu yosiyanasiyana ya hpmc imatha kukhala ndi mitengo yofananira m'madzi. Kuphatikiza apo, HPMC imatha kusungunukanso m'malo ena osinthika, monga Ethanol, madzi ndi zosungunulira bwino.
2. Miyendo yamatenthedwe
HPMC ili ndi mafuta otsatsa, ndiye kuti, yankho lake la madzi amwano lidzakhala dziko la gel osalala pa kutentha kwina, ndipo imatha kusungunuka pambuyo pozizira. HPMC yokhala ndi ma viccosies osiyanasiyana ndi magiredi olowa m'malo ali ndi kutentha kosiyanasiyana, nthawi zambiri pakati pa 50- 90 ° C. Khalidwe ili limapangitsa kuti HPMC ili ndi mtengo wofunikira pakufunsira m'minda ya zomangira, zokutira zokhazikika (mapiritsi omasulidwa), etc.
3.. Maonekedwe ndi Kukula
Makulidwe a HPMC ndi amodzi mwazinthu zofunika kwambiri pakupanga thupi, zomwe zimatengera kulemera kwake komanso kukhazikika. Njira yake yamadzimadzi imakhala ndi mafayilo apamwamba otsika kwambiri, motero imatha kugwiritsidwa ntchito ngati thiccener. M'malo omanga (monga matope ndi ufa wa punty), kusintha kwakukulu kwa HPMC kumatha kukonza magwiridwe antchito, kusintha chinsinsi, mitsuko yopangidwa ndi zomangamanga.
4. Ntchito
Chifukwa ma molekyulu a HPMC ali ndi ma hydroxypyl ndi methoxy magulu ena, omwe amatha kusewera gawo lina, lomwe lingagwire gawo la emulsization, kubalalitsa ndi kukhazikika. Chifukwa chake, HPMC itha kugwiritsidwa ntchito ku emulsion, zodzoladzola komanso mafakitale am'matampani kuti athandizenso kusokoneza zinthu zosagwirizana.
5. Kusunga kwamadzi
HPMC ili ndi madzi abwino kwambiri osasunga madzi ndipo amatha kuchepetsa kusintha madzi. Makamaka, kuwonjezera kwa HPMC kupita ku zida (monga mankhwala a simenti ndi gypsum) kungalepheretse matope ndikuchepetsa mphamvu chifukwa cha kutaya madzi, ndikuwongolera mgwirizano womanga madzi, ndikuwongolera mgwirizano womanga.
6. Katundu wopanga filimu
HPMC imatha kupanga mafilimu osinthika komanso owoneka bwino, omwe ndi ofunikira kwambiri mu mankhwala (monga piritsi yokutidwa), chakudya (monga chakudya) komanso mafakitale okutira. Katundu wopanga makanema ake amapangitsa kuti ikhale othandizira abwino kuti athandize kutsutsana ndi madzi ndi mphamvu yamagetsi.
7..
HPMC ili ndi mphamvu yolimba yamankhwala, asidi ndi alkali kukana, ndipo sakhudzidwa mosavuta ndi tizilombo tating'onoting'ono. Mu mtundu wa 3-11, ntchito yake imakhala yokhazikika ndipo sikophweka kuwonongeka, kotero itha kugwiritsidwa ntchito m'njira zosiyanasiyana zachilengedwe.
8.. Chitetezo ndi biovommatchi
HPMC siyopanda poizoni, osakwiya, ndipo ali ndi zinthu zabwino, choncho amagwiritsidwa ntchito kwambiri mu chakudya ndi mafakitale opangira mankhwala. Mu gawo la pharmaceutical, itha kugwiritsidwa ntchito ngati zodzitchinjiriza, zomangirira komanso zotulutsidwa ndi mapiritsi, ndipo zimawerengedwa kuti ndizabwino. Mu makampani ogulitsa zakudya, hpmc amathanso kugwiritsidwa ntchito ngati thicker ndi emulsifier, monga ayisikilimu, zinthu zophika zophika, etc.
9. Kutsutsa ku Enzymolysis
HPMC imawonetsa kukana bwino ku Enzymolysis m'maiko ena ndipo sikuti amasungidwa mosavuta ndi michere. Chifukwa chake, ili ndi maubwino azofunsira zochitika zapadera (monga makina omasulira).
10. Ntchito Zogwiritsa Ntchito
Chifukwa cha njira yake yabwino kwambiri komanso yamankhwala, hpmc imagwiritsidwa ntchito kwambiri m'mafakitale ambiri:
Makampani omanga: Monga wothandizila ndi wogulitsa matope a simenti kuti athetse ntchito zomanga; Zogulitsa gypsum, putty ufa, ndikumba, imathandizira kukonza chiwerewere komanso kutsatira.
Makampani ogulitsa mankhwala: Kugwiritsidwa ntchito ngati zokolola zam'madzi, monga mapiritsi a piritsi, mapiritsi oletsedwa, komanso zosakaniza zazikulu za makapisozi.
Makampani ogulitsa zakudya: ogwiritsidwa ntchito ngati thicker, emulsifier, okhazikika, ndi zakudya zokumba kuti zithetse kukoma komanso kukhazikika kwa chakudya.
Makampani opanga zodzikongoletsera: Kugwiritsidwa ntchito pazinthu zosamalira khungu, smempuo, mano ndi zinthu zina ngati thicker, emulsifier ndi kukhazikika.
Zovala ndi ma inki opanga: kuwonjezera pa mawonekedwe opanga filimu ndikuwongolera rimogy ndi kutsatira.
11. Kusunga ndi kugwiritsa ntchito njira
HPMC ndi hygrascopic ndipo iyenera kusungidwa pamalo ozizira, owuma, oundana, kutali ndi dzuwa. Mukamagwiritsa ntchito, mtundu woyenera komanso ufa uyenera kusankhidwa malinga ndi zofunika kugwiritsa ntchito pogwiritsa ntchito njira yabwino kwambiri.
Hydroxypropyl methylcellulose (hpmc) amagwiritsidwa ntchito kwambiri m'mafakitale ambiri chifukwa cha mafakitale ake apadera ndi mankhwala, kusungunuka, kusungunuka kwamadzi, kukhazikika kwamadzi. Mavuto ake osakhala oopsa, osavulaza komanso abwino amapangitsa kuti akhale ofunika kwambiri mu chakudya ndi minda yamankhwala. M'magawo omanga, zopangira, zodzola, etc., hpmc, zowonjezera ntchito, sizingosintha magwiridwe antchito, komanso kukhazikika. Chifukwa chake, HPMC ndi nkhani yofunika polymer ndi chiyembekezo chothandiza ntchito.
Post Nthawi: Feb-14-2025