Hydroxypropyl methylcellulose (hpmc) ndi polymer polymer polymer yogwiritsidwa ntchito ndi mafakitale osiyanasiyana monga mankhwala osiyanasiyana monga mankhwala osiyanasiyana, zodzikongoletsera zake, zomwe zimapanga zimapangitsa kukhala zofunikira pazinthu zambiri. Nayi kufufuza kwazama kwa HPMC:
1. Makhalidwe a HPMC:
Kapangidwe ka mankhwala: HPMC imachokera ku cellulose, polymer wachilengedwe amapezeka muzomera. Amasinthidwa ndi mankhwala osinthika mwanjira yosinthika ndi ma propylene oxide ndi methyl chloride. Mulingo wazolowa m'malo mwa hydroxypypyl ndi methoxy magulu amatsimikizira kuti ndi malo ake.
Kusungunuka: HPMC imasungunuka m'madzi pamtunda wotentha. Kusungunuka kumatengera kuchuluka kwa cholowa m'malo mwa kuchuluka kwa polymer. Mlingo wambiri umatsogolera kuwonjezeretsa madzi kususuka.
Ma Isccess: HPMC imawonetsa machitidwe a preeudoplastic kapena sheend, kutanthauza kuti ma viscy amachepetsa pansi pa kupsinjika kukameta ubweya. Makutu a HPMC mayankho a HPMC imatha kusinthidwa ndikusintha matope monga kulemera kwa ma celecular, digiri ya zolowa m'malo mwake, ndi kukhazikika.
Mapangidwe a filimu: HPMC imapanga makanema omveka bwino ndipo osungunuka posinthana ndi yankho. Katundu wa filimu amatha kusinthidwa posintha ndende komanso kukhalapo kwa maphiri.
Kukhazikika kwa matenthedwe: hpmc kumakhala ndi bata yabwino, ndikuwola nthawi zambiri kuposa 200 ° C. Izi zimapangitsa kukhala koyenera kwa njira zosiyanasiyana zothandizira, kuphatikizapo kutentha kotentha ndi kutumphuka.
Hydrophilicity: chifukwa cha hydrophilic chilengedwe, hpmc amatha kuyamwa ndikusunga madzi ambiri. Katunduyu ndiwopindulitsa pakugwiritsa ntchito monga momwe amagwirira ntchito mankhwala osokoneza bongo komanso monga wothandizika mu makina opatsirana.
Kugwirizana: HPMC imagwirizana ndi zinthu zina zosiyanasiyana, kuphatikizapo ma poizoni ena, ma pulasitiki, komanso zopangira zam'madzi zopangira (apis). Kugwirizana uku kumapangitsa kuti mapulogalamu ovuta azipangidwa ndi mawonekedwe okonda kutengera.
Zopanda katundu: hpmc ndi polymer yopanda ionic, yomwe imatanthawuza kuti sizimanyamula magetsi. Katunduyu amachepetsa kulumikizana ndi mitundu yokhotakhota ndikuwonjezera kukhazikika kwake.
2.HPMC AGODS:
Mangani a piritsi, hpmc amachita ngati chofunda, kulimbikitsa zomatira pakati pa tinthu ndikuwonjezera mphamvu yamakina a piritsi. Zimathandizanso mapiritsiwo atasiya kumwa.
Kuchulukitsa makanema: HPMC imagwiritsidwa ntchito kwambiri ngati othandizira mapiritsi ndi makapisozi. Imatanthawuza yunifolomu, yoteteza zotetezera zomwe zimapangitsa kukoma ndi fungo la mankhwalawa, imathandizira kukhazikika, komanso kumathandizira kumeza.
Kutulutsidwa: HPMC itha kugwiritsidwa ntchito kuwongolera kumasulidwa kwa mankhwala osokoneza bongo a mankhwala. Mwa Hickrave kuti apange gel wosanjikiza gel osakaniza, hpmc amatha kuchedwetsa mankhwala osokoneza bongo ndikupereka zochizira zowonjezera.
Mawonekedwe a Visnan: M'makina am'madzi, hpmc amachita ngati ma viscker osintha kapena otsitsimutsa. Imatipatsa mawonekedwe a pseudoplastic, kukonza kukhazikika ndi ntchito yogwiritsira ntchito mapangidwe monga zonona, zodzola ndi ma gels.
Kuimitsa Mtumiki: HPMC imagwiritsidwa ntchito kukhazikika kuyimilira kwa tinthu tating'onoting'ono tomwe timamwera. Zimalepheretsa kukhazikika pakukulitsa mafayilo opitilizabe ndi kukulitsa tinthu tating'onoting'ono.
Emulsiferier: Mu emulsion Miction, HPMC imakhazikika pakati pa mafuta ndi magawo amadzi, kupewa gawo lolekanitsa ndi emulsization. Zimakhala bwino kukhazikika ndi moyo wa alumali wa mafuta odzola mu zinthu monga zonona, mafuta ndi mafuta ambiri.
Mapangidwe a hydrogel: hpmc amatha kupanga ma hydrogeels pomwe hydradels hydration, ndikupangitsa kuti ikhale yothandiza m'matole a mabala, magalasi okhudzana ndi mapangidwe a mankhwala osokoneza bongo. Izi ma hydrogel awa amapereka chinyezi chochiritsa cha bala ndipo chitha kunyamula mankhwala osokoneza bongo.
Wothandizira wamkulu: hpmc nthawi zambiri amagwiritsidwa ntchito ngati wothandizira wambiri mu zakudya monga msuzi, zovala ndi zakudya. Imapereka mawonekedwe osalala ndipo imathandizira kukoma popanda kusintha zonunkhira kapena zopatsa thanzi.
Zowonjezera zomanga: M'malo omanga, hpmc imagwiritsidwa ntchito ngati wothandizira wamadzi osungira madzi ndi magetsi. Imakhala bwino ntchito, kutsatira, ndikuchepetsa kusokonekera pang'onopang'ono pang'onopang'ono madzi.
Pamwamba Zimakhala bwino zosindikiza, zomatira ndi zotchinga katundu za zokutira ndi mafilimu.
Hydroxypropylmethylcellulose (hpmc) ndi polymer yosiyanasiyana ndi mitundu yosiyanasiyana. Kusungunuka kwake, mafakisoni ake, kuthekera ka filimu yopanga mafilimu komanso kuphatikizidwa kumapangitsa kuti ikhale yofunika kwambiri pamakampani ambiri. Kuchokera pamachitidwe olimbitsa, chakudya chodzola, hpmc chikupitilizabe kuchita mbali yofunika kwambiri posintha magwiridwe antchito komanso mtundu. Monga kafukufuku ndi ukadaulo ndi ukadaulo ndi zofunikira za HPMC ingawonjezere, kupanga kuyendetsa bwino popanga kapangidwe kazinthu ndi chitukuko chazogulitsa.
Post Nthawi: Feb-23-2024