HPMC (HYDROXYPROPYL MetHylcellose) is nonitic cellulose ether yakashandiswa zvakanyanya mune mishonga, chikafu, kuvaka uye cosmetics. Mavara akasiyana eHPMC anonyanya kutaurwa zvichienderana nezvemakemikari emakemikari, zvivakwa zvemuviri, zvivakwa, degree rekutsiva uye kushandiswa kwakasiyana.
1. Chemical chimiro uye degree rekutsiva
Iyo Molecular chimiro cheHPMC ine mapoka eHydroxyl paCellulose Chain ichitsiviwa neiyo nzira uye hydroxyprupoxy mapoka. Iyo yemuviri uye yemakemikari zvivakwa zveHPMC inosiyana zvichienderana neiyo degree rekutsiva nzira uye hydroxyprupoxy mapoka. Iyo degree rekutsiva zvakananga zvinobata zvakananga iyo solubility, yekukugadzikana kwekutonga uye nzvimbo yekuita hpmc. Zvakananga:
HPMC ine nzira yakakwira inowanzo kuratidzira yakakwira ergency emagetsi tembiricha, iyo inoita kuti ive yakakodzera kune tembiricha-tembiricha-yekudzora-kusunungura gadziriro yezvinodhaka.
HPMC ine yakakwira hydroxoxpropopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopoxoToin Solubility, uye maitiro ayo ekunyungudika haakanganiswe nekudziya, achizviita akakodzera kushandiswa munzvimbo dzinotonhora.
2. Girhosity giredhi
Viscosity chimwe chezvakakosha zviratidzo zveHPMC giredhi. HPMC ine huwandu hwakawanda hwehuwandu hwezveviso, kubva kune mashoma centpoise kumakumi ezviuru emakore. Iyo viscosity giredhi inokanganisa kushandiswa kwayo mune dzakasiyana zvikumbiro:
Yakadzika viscosity HPMC (yakadai se 10-100 centipoise): Iyi giredhi yeHPMC inonyanya kushandiswa mukushandiswa kweshoma iyo fluidity yekugadzirira.
Pakati peva viscosity HPMC (yakadai se100-1000 centipoise): inowanzoshandiswa mune zvekudya, cosmetics uye zvimwe gadziriro yemishonga, inogona kuita sedhiza uye kugadzirisa chimiro uye kugadzikana kwechigadzirwa.
Yakakwira viscosity HPMC (yakadai seinopfuura 1000 centipoise): Iyi giredhi reHPMC inonyanya kushandiswa mune zvekushandisa izvo zvinoda kukwikwidza kwakanyanya, senge glues, kuomerera uye zvekuvakira zvinhu zvekuvaka. Ivo vanopa zvakanakisa kuremerwa uye kumiswa kwekumisikidza kugona.
3. Zvivakwa zvemuviri
Zvivakwa zvemuviri zveHPMC, senge solubility, kupisa kwemakomo, uye mvura yekuwedzera, inosiyana zvakare negiredhi rayo:
Solubility: Mazhinji HPMCs ane yakanaka solubility mumvura inotonhora, asi iyo solubility inoderera sezvo nzira yezvinyorwa zvinowedzera. Mamwe mamakisi akakosha eHPMC anogona zvakare kunyungudutswa mune organic soles kune chaiyo maindasitiri ekushandisa.
Kupisa kweGeation: Tembiricha yeGegul yeHPMC mumakwikwi mhinduro inosiyana nemhando uye zvirimo zvevashandisi. Kazhinji, HPMC ine nzira yakakwira inowanzoita kuti iite jeketi munzvimbo dzakakwirira, nepo HPMC neiyo hydroxpropopopoxoxi inoratidza tembiricha yepazasi.
Hygrishcopicity: HPMC ine yakaderera hygroscopiciticity, kunyanya yakakwira-yakatsiviwa mamakisi. Izvi zvinoita kuti zvifarire munzvimbo dzinoda kuramba zvinyoro nyoro.
4. Nzvimbo dzekushandisa
Nekuti mamakisi akasiyana eHPMC ane zvakasiyana zvemuviri uye makemikari zvivakwa, mafaro avo muminda dzakasiyana siyana zvakare akasiyana zvakare.
Indasitiri yeMishonga: HPMC inowanzo shandiswa mukuunganidza piritsi, gadziriro dzakasunungurwa, zvinoshatisa, uye nhaurwa. Pfekiceucal Giredhi HPMC inoda kusangana neyechiitiko cheMapcheroeaizi yePartmacoeia, yakadai seUnited States, European pharmacpoeia (EP) yeHPMC inogona kushandiswa kugadzirisa huwandu hwekuburitsa uye kugadzikana kwezvinodhaka.
Indasitiri yezvokudya: HPMC inoshandiswa seanoti, emulsifier, stabilizer uye firimu aimbova. Chikafu cheGiredhi HPMC inowanzo kuve isingafanirwe kuve chepfu, isina kujairika, uye inoda kutevedzera chikafu cheUS uye yezvinodhaka zvekutonga
Indasitiri yekuvaka: Giredhi rekuvaka Hpmc rinonyanya kushandiswa mumasimendi-yakavakirwa zvinhu, zvigadzirwa zveGypsum uye zvipfeko zvekukora, chengetedza mvura, lubricate uye kuwedzera. HPMC yemakiromita akasiyana ekuvenga anogona kukanganisa mari yekuvakisa yekuvaka uye kuita kwechigadzirwa chekupedzisira.
5. Mhando dzemhando uye mirau
Mamakisi akasiyana eHPMC ariwo pasi pemhando dzakasiyana dzemhando uye mirau:
Pharmaceutical Giredhi HPMC: Inofanirwa kusangana nezvinodiwa zvePharmacooa, sekuti USP, EP, EETM
Chikafu-giredhi HPMC: Inofanira kutevedzera mitemo yakakodzera pane zvekudya zvekudya kuti ive nechokwadi chekuchengetedza kwayo muchikafu. Nyika dzakasiyana nematunhu zvinogona kuve nezvakasiyana zvakatemwa kune chikafu-giredhi hpmc.
Industrial-Giredhi HPMC: HPMC inoshandiswa mukuvaka, majasi uye mamwe minda kazhinji haafanire kutevedzera zviyero zvekudya, asi zvakadaro zvinoda kusangana nezviyero zveindasitiri, zvakadai seOso zviyero.
6. Kuchengetedza uye kuchengetedza zvakatipoteredza
HPMC yemakirini akasiyana zvakare inosiyana zvakare mukuchengetedza uye kuchengetedza zvakatipoteredza. Pharmaceucal-giredhi uye chikafu-giredhi hpmc kazhinji inowanzove nekuomarara kuchengetedza kuongororwa kuti ive isingakundiki nemuviri wemunhu. Industrial-Giredhi Hpmc, kune rumwe rutivi, inobhadhara zvakanyanya kutarisisa kuchengetedzwa kwayo kwezvakatipoteredza uye kusvibiswa panguva yekushandisa kuderedza kukanganisa kwezvakatipoteredza.
Misiyano iri pakati pemakiredhi eHPMC inonyanya kuratidzwa muMakemikari Chimiro, viscosity, zvivakwa zvemuviri, nzvimbo dzekushandisa, zviyero zvemhando yepamusoro. Zvinoenderana nezvakangoita application zvinodiwa, kusarudza giredhi rekurudyi reHPMC inogona kuvandudza zvakanyanya kuita uye kunaka kwechigadzirwa. Paunenge uchitenga HPMC, izvi zvinhu zvinofanirwa kutariswa zvisina kufanira kuti uve nechokwadi chekushandiswa uye kushanda kwechigadzirwa.
Kutumira Nguva: Aug-20-2024