HPMC (hydroxypypyl methylcellulose) ndi ma cellulose omwe amagwiritsidwa ntchito kwambiri mu mankhwala ogulitsa, chakudya, zomangamanga. Magawo osiyanasiyana a hpmc amawonetsedwa makamaka chifukwa cha kapangidwe kake, zinthu zakuthupi, mafayilo, kuchuluka kwa zolowa m'malo mwake ndi kugwiritsa ntchito zosiyanasiyana.
1. Kapangidwe ka mankhwala ndi kuchuluka kwa zolowa m'malo
Makina a HPMC amakhala ndi magulu a hydroxyl pa cellulose omwe amakhala m'malo mwa methoxy ndi hydroxyprophongo m'magulu. Zovuta zakuthupi ndi zamankhwala za HPMC zimasiyana pakudalira digiri ya methoxy ndi hydroxyprophongo m'magulu. Mlingo wa wogwirizira mwachindunji umakhudza kusungunuka, kukhazikika kwamafuta komanso zochitika zapamwamba za HPMC. Makamaka:
HPMC yokhala ndi methoxy yapamwamba imakonda kuwonetsa kutentha kwakukulu kwa minyewa, komwe kumapangitsa kuti ndikoyenera kugwiritsa ntchito mapulogalamu othandizira kutentha monga kukonzekera mankhwala omasulidwa.
HPMC yokhala ndi ma hydroxyprophiroxy imakhala ndi madzi ambiri kusungunuka, ndipo zofatsa zake sizikhudzidwa ndi kutentha, kupangitsa kukhala koyenera kugwiritsa ntchito malo ozizira.
2. Kalasi ya Masu
Makulidwe a Visc ndi amodzi mwazowonetsa zofunikira za HPMC. HPMC ili ndi ma visa osiyanasiyana, kuchokera kwa mantipo angapo mpaka makumi asanu ndi zikwizikwi. Kalasi ya Visccie imakhudza kugwiritsa ntchito kwake mu mapulogalamu osiyanasiyana:
Ma viscKe otsika hpmc (monga 10-100 Centipoise): Gawo ili la HPMC limagwiritsidwa ntchito kwambiri pazogwiritsa ntchito zomwe zimafunikira Madzi okonzekera.
Mitundu ya VircKent HPMC (monga 100-1000 Centipoise): Nthawi zambiri amagwiritsidwa ntchito mu chakudya, zodzoladzola komanso kukonzekera kwina kwa mankhwala, imatha kukhala yokonzekera mankhwala komanso kukhazikika kwa malonda.
Kukwera kwambiri hpmc (monga pamwambapa 1000 Centipoise): Gawo ili la HPMC limagwiritsidwa ntchito kwambiri pantchito zomwe zimafunikira mafashoni apamwamba, omata ndi zida zomangira. Amapereka mphamvu zabwino kwambiri komanso kuyimitsidwa.
3.
Katundu wa HPMC, monga kususuka, kutentha kutentha, ndi njira zamadzi mphamvu, zimasiyananso ndi kalasi yake:
Kusungunuka: Ambiri a HPMC ali ndi zosungunuka bwino m'madzi ozizira, koma solubility amatsika ngati methoxy zopangidwa. Makalasi ena apadera a HPMC amathanso kusungunuka mu ortic sodic kuti agwiritse ntchito mafakitale apadera.
Kutentha kwa Mfuti: Kutentha kwa HPMC munjira yamadzi kosiyanasiyana kumasiyana ndi mtundu ndi zomwe zili m'malo opezekapo. Nthawi zambiri, zolankhula ndi metoxy zimakhala ndi ma gels ambiri kutentha kwambiri, pomwe hpmc yokhala ndi hydroxyprophoroxy zokhala ndi kutentha.
Hygroscopicity: HPMC ili ndi hygroscoficity yotsika, makamaka magawidwe apamwamba kwambiri. Izi zimapangitsa kukhala bwino m'malo omwe amafunikira chinyezi.
4. Magawo a mapulogalamu
Chifukwa magiredi osiyanasiyana a HPMC ali ndi katundu wosiyana ndi mankhwala, kugwiritsa ntchito kwawo m'magawo osiyanasiyana ndi osiyananso:
Makampani ogulitsa mankhwala: HPMC imagwiritsidwa ntchito pokonzekera piritsi, kumasulira, kutulutsidwa, kumasuka, kumamatira, ndi okutsanumba. Gawo la Poprmaceutical HPMC likuyenera kukumana ndi miyezo ya mankhwala ena, monga United States Memaccopoeia (Ep), Ep), etc), etc.
Makampani Ogulitsa: HPMC imagwiritsidwa ntchito ngati thicker, emulsifier, okhazikika ndi filimu yomwe kale. Chakudya cha HPMC nthawi zambiri chimayenera kukhala chopanda mphamvu, chosawoneka bwino, chopanda fungo, ndipo chimayenera kutsatira njira zowonjezera chakudya ndi mankhwala osokoneza bongo (FDA) ndi olamulira a ku European (Efsa).
Makampani omanga: Ntchito yomanga hpmc imagwiritsidwa ntchito makamaka pazolinga za simenti, zinthu zamanjenje ndi zokutira kuti zivute, kusunga madzi, mafuta ndi kupitiriza. HPMC ya Mavidiyo osiyanasiyana imatha kusokoneza kugwiritsidwa ntchito kwa zomangira ndi magwiridwe omaliza.
5. Miyezo yapamwamba ndi malamulo
Magawo osiyanasiyana a HPMC nawonso amatengera miyezo yosiyanasiyana yosiyanasiyana:
Pulogalamu ya Pprmaceutical HPMC: iyenera kukumana ndi mankhwala a phangacopoea, monga USP, EP, esc. Zofunikira zake ndizokwera kuti zitsimikizidwe kuti ndi njira yokonzekera mankhwala.
Chakudya cha HPMC: Iyenera kutsatira malamulo oyenera pazakudya zowonjezera kuti zitsimikizire chitetezo chake. Mayiko osiyanasiyana ndi zigawo zimatha kukhala ndi mawonekedwe osiyanasiyana a chakudya hpmc.
Mafakitale a mafakitale: hpmc omwe amagwiritsidwa ntchito pomanga, zokumba ndi minda ina nthawi zambiri sizifunikira kutsatira zakudya kapena kugwiritsa ntchito mankhwala, koma akufunika kukwaniritsa miyezo yofananira yofananira, monga ma ISO
6. Chitetezo ndi Chitetezo Chachilengedwe
HPMC ya ma grade osiyanasiyana imasiyananso ndi kuteteza zachilengedwe. Mankhwala opangira mankhwala ndi chakudya hpmc nthawi zambiri amafufuza mwachindunji kuti atsimikizire kuti alibe vuto la munthu. Komabe, mafakitale a ggemc, aliwonse, amasamalira kwambiri kuteteza zachilengedwe komanso kufooka pakugwiritsa ntchito kuti athetsetse zinthu.
Kusiyana pakati pa ma gpmc kumawonekera makamaka kapangidwe kake, mafakisoni, thupi, katundu wa ntchito, miyezo yapamwamba komanso chitetezo. Malinga ndi zofunika mwatsatanetsatane, kusankha njira yoyenera ya HPMC kumatha kusintha magwiridwe antchito ndi mtundu wa malonda. Mukamagula HPMC, izi ndizoyenera kuonedwa bwino kuonetsetsa kuti ntchitoyo ithe.
Post Nthawi: Aug-20-2024