Hydroxypropyl methylcellulose (HPMC) ipolymer inoshanda zvakasiyana-siyana inowanzoshandiswa mumaindasitiri akasiyana siyana, kusanganisira maindasitiri emishonga, ezvekudya uye ekuchengeta vanhu. Mune mishonga yemazino, HPMCs inoshanda akasiyana siyana akakosha mabasa anobatsira kuvandudza kuita kwese, kugadzikana, uye ruzivo rwemushandisi wechigadzirwa. .
1. Chimiro chemakemikari uye maitiro ehydroxypropyl methylcellulose
HPMC is semi-synthetic mvura-soluble polima inotorwa kubva ku cellulose. Cellulose pakutanga inotorwa kubva muhuni pulp kana donje uye yozogadziriswa kemikari kuti iwedzere hunhu hwayo. Munguva yekuchinja maitiro, hydroxypropyl uye methyl mapoka anounzwa mu cellulose musana.
Iyo inokonzeresa polymer ine yakasarudzika seti yezvivakwa inoita kuti ive yakakodzera kune akasiyana maapplication. Inonyungudika mumvura inotonhora uye inopisa, ichiita mhinduro yakajeka uye ine viscous, uye ine maitiro akanaka ekugadzira mafirimu.
2. Basa rehydroxypropyl methylcellulose mune mushonga wemazino:
a. Viscosity uye rheology control:
Rimwe remabasa ekutanga eHPMC mune mushonga wemazino kudzora viscosity uye rheology. Viscosity inoreva kukora kwemvura kana kuramba kuyerera, uye rheology inosanganisira kudzidza kuti zvinhu zvinokanganisa nekuyerera sei. HPMC inopa mushonga wemazino kuenderana kwakaringana, ichidzivirira kuti isanyanya kutetepa ichiona kuti zviri nyore kusvina kunze kwechubhu. Izvi zvinobatsira kuchengetedza chimiro chemushonga wemazino uye kuenderana panguva yekuchengeta uye kushandiswa.
b. Binder:
HPMC inoshanda sebhainda uye inobatsira kusunga zvakasiyana siyana zvemushonga wemazino pamwechete. Izvi zvakakosha kuchengetedza chigadzirwa chehomogeneity, kudzivirira kuparadzaniswa kwechikamu uye kuve nechokwadi kuti mushonga wemazino unoramba wakasanganiswa zvakanaka muhupenyu hwayo hwesherufu.
C. Moisturizing properties:
Nekuda kweiyo hydrophilic hunhu, HPMC ine kugona kuchengetedza unyoro. Mune mazino emazino, pfuma iyi yakakosha mukudzivirira chigadzirwa kubva pakuoma uye kuchengetedza maitiro ayo uye kushanda kwayo nekufamba kwenguva. Pamusoro pezvo, iyo inonyorovesa zvivakwa inobatsira kune yakapfava yemazino ekushandisa ruzivo.
d. Kugadzira firimu:
HPMC inoumba firimu rakatetepa, rinoshanduka pazino repamusoro mushure mekushandisa. Iyi firimu inoshandisa zvinangwa zvakati, zvinosanganisira kusimudzira kunamira kwemushonga wemazino kumeno uye nekupa chinodzivirira. Iyi firimu inobatsira kudzivirira mabhakitiriya kubva pakunamatira, inoderedza kunzwisiswa, uye inobatsira pakucheneswa kwese uye kudzivirira kwemushonga wemazino.
e. Kugadzikana kwezvinhu zvinoshanda:
Mushonga wemazino unowanzo uine zvinhu zvinoshanda senge fluoride, antibacterial agents, uye desensitizing agents. HPMC inobatsira kudzikamisa zvinhu izvi, kudzivirira kudzikisira kwavo uye kuve nechokwadi chekushanda kwavo kwenguva refu. Izvi zvakakosha kuunza zvakanangwa hutano hwemuromo kune mushandisi.
3. Zvakanakira hydroxypropyl methylcellulose mune mushonga wemazino:
a. Kuwedzera ruzivo rwemushandisi:
Kushandiswa kweHPMC kunobatsira mushonga wemazino kuve wakatsetseka, une cream, nekudaro uchiwedzera ruzivo rwese rwemushandisi. Inodzorwa viscosity inobvumira kugovera zviri nyore, kushandisa uye kusukurudza, zvichiita kuti kubhurasha kuwedzere kugadzikana uye kunakidza.
b. Wedzera hupenyu hwesherufu:
Izvo zvinonyorovesa zvimiro zveHPMC zvinoita basa rakakosha mukuwedzera hupenyu hwesherufu yemazino. Nekudzivirira chigadzirwa kubva pakuoma, zvinobatsira kuchengetedza kunaka kwayo uye kushanda kwayo kwenguva refu, kuve nechokwadi chekuti vatengi vanowana chigadzirwa chinoshanda kusvika pakushandisa kwavo kwekupedzisira.
C. Kuvandudza kugadzikana kwefomula:
Kusunga nekudzikamisa zvivakwa zveHPMC zvinobatsira mukugadzikana kwese kwemushonga wemazino. Izvi zvinonyanya kukosha pakugadzira mishonga yemazino ine akawanda anoshanda zvinhu zvinogona kudyidzana kana kushatisa nekufamba kwenguva.
d. Kugadziriswa kwechigadzirwa:
Vagadziri vanogona kugadzirisa mhando uye huwandu hweHPMC hunoshandiswa mukugadzira mushonga wemazino kuti uwane chaiwo zvigadzirwa. Uku kuchinjika kunobvumira kugadzirisa kwe viscosity, manyorerwo uye mamwe maitiro ekuita kuti asangane nezvinodiwa nevatengi uye zvinodiwa pamusika.
Hydroxypropyl methylcellulose i polymer inoshanda yakawanda inoita basa rakakosha mukugadzira mushonga wemazino. Musanganiswa wayo wakasarudzika wezvivakwa, zvinosanganisira viscosity control, kugona kwekunamira, kunyorova, firimu-kuumba uye inoshingaira ingredient kugadzikana, inobatsira kuvandudza kushanda kwese uye mushandisi kukwezva kwezvigadzirwa zvemazino. Sezvo kuchengetwa kwemuromo kunoramba kuri kutarisisa kune vatengi, kushandiswa kweHPMC mukugadzira mushonga wemazino kungangoenderera mberi sezvo vagadziri vachitsvaga kupa zvigadzirwa zvemhando yepamusoro zvinokurudzira hutano hwemukanwa uye kupa ruzivo rwemushandisi rwakanaka.
Nguva yekutumira: Zvita-21-2023