HydroxyPropyl methylcellose (HPMC) iganda, jecha mumiririri uye wemafirimu aimbove anoshandiswa mune yemishonga, chikafu, cosmetic uye kuvaka maindasitiri emidziyo. Viscosity yayo ndeimwe yemapareti akakosha anokanganisa kuita kwayo, ayo anowanzo kusiyana maererano nezvinhu zvakadai sekugadzirisa solution, solvent mhando, tembiricha uye surure uremu hweHPMC.
Iyo viscosity kukosha kweHPMC inoreva iyo fluidity yekugadzirisa kwayo pasi pemamwe mamiriro, kazhinji inotsanangurwa muMPAMascal masekondi). MuViscosity Standard yeHPMC, iyo yakajairika yekuvhara ndeye 2% kana 4% mhinduro, uye tembiricha yekuyera kazhinji 20 ° C kana 25 ° C. Zvichienderana neiyo brand uye chigadzirwa, iyo visikopa yeHPMC inogona kubva pamazana mashoma empafu kusvika zviuru zvishoma MPASI zviuru.
Izvi zvinotevera zvinhu zvakakosha zvinokanganisa viscosity yeHPMC Solution:
Molecular uremu: Iyo yakakura iyo smecular uremu hweHPMC, yakakwira viscosity yayo. HPMC ine yakakwira molecular uremu inogona kuumba zvakanyanya kufambidzana mukusangana mumhinduro, saka inozviratidza yakakwira viscosity.
HydroxyPropyl uye methyl kutsiva: iyo yakakwira iyo degree re hydroxypruppropropyl (-OOOH) uye methyl (-ch₃) kutsiva, iyo yekukwira kwemvura uye yekuvhara kweHPMC. Kuwedzera kwehydroxyprupropyl kuchinjanisa kunogona kugadzirisa zvinobudirira iyo solubil yeHPMC, nepo methylation inosimudzira viscosity yayo.
Solution Solidation: Iko kusunganidzwa kweHPMC Solution inobata zvakananga viscosity yayo. Iyo yepamusoro yekuvhara, iyo yakakura zvevisiko. Kazhinji kutaura, mhinduro nekushora pakati pe2% uye 5% yakajairika, uye zvikwangwani zvemhinduro dzakakwirira-mhinduro dzichakukwira.
Solvent: HPMC inodonha zvakanaka mumvura, saka viscosity yayo inowanzo kuongororwa kubva pamvura mhinduro. Nekudaro, mhando dzakasiyana dzemasimba dzinogona zvakare kubata Solubility neViscosity.
Kupisa Kazhinji, kuwedzera tembiricha kuchatungamira kuderera kwesolution viscosity nekuti tembiricha yakakwira ichasimudza molecular kufamba uye kuwedzera iyo fluidity yemhinduro.
HPMC viscosity inowanzoshandiswa muminda inotevera:
Iyo pharmaceuticucal munda: Inoshandiswa seyenzi yakasimudzirwa-yakaburitswa yezvinodhaka, piritsi binder, uye chikamu che capsule mashambadziro. Inogona kuve nechokwadi chekusunungurwa kwakasarudzika kwemishonga mumuviri nekudzora viscossity.
Indasitiri yeChikafu: Inoshandiswa seyakavharwa uye gelly mumiririri, inogona kuvandudza zvinobudirira kuravira uye kuumbwa kwechikafu, senge ice cream, jelly, pipi, nezvimwe.
Indasitiri yekuvaka: Inoshandiswa seyakavharira uye mvura inochengetedza mumiririri mukuvakira zvinhu senge simende uye mongwe kuvandudza mashandiro uye maitiro ekuvaka.
Cosmetic indasitiri: Inoshandiswa muzvigadzirwa zvakadai sekrimu, echiso kuchenesa, ziso mimvuri, etc. kupa zvakanaka viscosity uye kugadzikana.
Kana uchisarudza chigadzirwa cheHPMC chakakodzera, zvakakosha kuti unzwisise hunhu hwayo hukuru hwe viscosity, kunyanya izvo zvinodiwa kuti uwedzere uye kugadzikana mune dzakasiyana zvikumbiro. Kana paine chinodikanwa kune chaiyo viscosity kukosha kweimwe hpmc, iwe unogona kureva ruzivo rwakakodzera mune yechigadzirwa chechigadzirwa kana kuiyedza neiyo chishuwa chekuyera.
Kutumira Nguva: Kukadzi-19-2025