HydroxyPropyl methylcellose (HPMC) yakakosha yakakanganisika mumauto akaoma-yakasanganiswa, kuvandudza zvinhu zvakadai sekushanda, kuchengetwa kwemvura, uye kuderera. Kuyera iyo visikopa yeHPMC mune yakaoma-yakavhenganiswa motsa inokosha kuti uve nechokwadi chekusarongeka uye kuita. Viscosity inoshandura kusununguka kwekushandisa, kugara nguva, uye simba rekupedzisira remota.
Zvinhu zvinokanganisa kuyerwa kwe viscossity
1. Kuumbwa kweiyo yakaoma-yakasanganiswa motsi
Kuumbwa kweiyo yakaoma-yakavhenganiswa motsi inosanganisira siment, aggregates, anowedzera senge hpmc, uye dzimwe nguva vamwe polymers. Chikamu chezvinhu izvi zvinokanganisa viscosity. Iyo yepamusoro yepamusoro yeHPMC inowanzowedzera viscosity nekuda kwezvinhu zvakakora zvaro. Pamusoro pezvo, iyo mhando uye gradation yeAggregates inogona kupesvedzera maitiro ekuyerera emota.
2. Kusanganisa maitiro
Iyo nzira uye nguva yekuvhenganisa ine kukosha kwakakosha pakuyerwa kwe viscossity. Kusanganisa kusakwana kunogona kuguma neInhomogency musanganiswa, zvichitungamira kune isingakwanisi kuverenga viscossity. Kusanganisa kwakakodzera kunovimbisa kuti HPMC yakapararira zvizere mumutumbi, inopa zviitiko zvinoenderana. Kusanganisa kumhanya, nguva, uye mhando yemidziyo inofanirwa kuve yakagadzirirwa zviyero zvakavimbika.
3. Mvura-kune-yakasimba ratio
Iyo-ye-kune-yakasimba ratio (w / s ratio) inokoshesesa mukusarudza iyo yekuona iyo motorini yerudzi. Yakakwira mvura yezvinyorwa kazhinji inoderedza viscosity, ichiita kuti muto wemvura yakawanda. Zvekare, iyo yakaderera mvura yemukati inoguma mune yakakwenenzverwa, more viscous musanganiswa. Kuenderana muW / S RATIO kwakakosha kuti zviyero zvibereko zveviscollecity.
4. Tembiricha
Tembiricha inokanganisa viscosity yeHPMC mhinduro zvinokosha. Sezvo tembiricha inowedzera, iyo viscosity yeHPMC inoderera nekuda kwekuderedzwa kwemanyorerwo. Naizvozvo, zvakakosha kuitisa zviyero zvevisikoka pakudziya kwakadzorwa uye kushoma kudzivirira kusiyana-siyana mumhedzisiro.
5. Ph mazinga
Iyo ph level yemusanganiswa wedhaka inogona kupesvedzera viscosity yeHPMC. HPMC inoratidza zvisizvo zvevasofa pamisangano dzakasiyana-siyana pH Kuchengeta kusarerekera kune zvishoma alkaline ph kwakanakira kuisirwa viscossity kuverenga.
6. Zera reMutema
Zera kana nguva yakapfuura mushure mekusanganisa inogona kukanganisa iyo visikoka yerudzi. HPMC's hydration maitiro inogona kuenderera nekufamba kwenguva, zvishoma nezvishoma ichinonoka iyo viscosity. Zviyero zvinofanirwa kutorwa panguva inogara nguva mushure mekusanganisa kuona kuenzanisa.
7. Zviridzwa zviridzwa
Iko kusarudzwa kwechiridzwa kwekuyera viscosity yakakosha. Zviridzwa zvakajairika zvinosanganisira rotishers vitcometer, capillary vitcometer, uye rheometers. Chishandiso chimwe nechimwe chine nheyo dzayo dzekushanda uye kukodzera zvichienderana neye viscosity range uye zvakananga zvinhu zvevakaongororwa. Calibration uye kugadzirisa kwezviridzwa izvi zvinodikanwa kuti zviyero zvechokwadi.
Kuyera iyo visikoka yeiyo yakaoma-yakavhenganiswa mongwe ine hpmc is a wild Yakagadziriswa protocol uye kunyatsofungisisa nezvezvinhu izvi zvakakosha kuti uwane zvakavimbika uye zvisingachinji zviyero zveViscossity. Nekutaura zvinonetsa uye kuita zviito zvakanaka, zviyero zvakaringana zvinogona kuwanikwa, kuona maitiro aida emagetsi akaoma-akasanganiswa muzvivakwa zvekuvaka.
Kutumira Nguva: Kukadzi-18-2025