Abstract:
HydroxyPropyl methylcellose (HPMC) ndeye polymer yakashandiswa zvakanyanya mune dzakasiyana-siyana maindasitiri nekuda kwezvinhu zvakatsanangurwa Mune majasi uye anomisheni, HPMC inoshanda zviito zvenguva dzose, kubva mukuvandudza viscosity uye kugadzikana kuti uwedzere kuomerera uye mafirimu zvivakwa.
Keywords: hydroxyprusyl methylcellose (HPMC), majasi, anomiririra, rheology, firimu-fomu, kuumbwa, kusimbisa, kusimbisa.
Nhungamidzo:
HydroxyPropyl methylcellose (HPMC), mhermc), cellulose derivative syntheking kubva kune huni mapuranga kana machira, akave sechinhu chakakosha mumatombo uye kuomerera mafomu. Yayo yakasarudzika yemakemikari chimiro, hydroxyprospropyl uye methyl mapoka akasungirirwa kune iyo cellulose backbone, inopa nzvimbo dzakasiyana siyana dzinobatsira kune izvi zvinoshandiswa. HPMC's Kusanganisira kubva mukukwanisa kwayo kugadzirisa maitiro ekuchinjisa
Rheological shanduko:
Imwe yemabasa ekutanga eHPMC mumatombo uye mainominiya ndiyo basa rayo mukugadziridzwa kwe rheological. Nekugadzirisa iyo svutugadzike uye inorema yeHPMC, maFomu anokwanisa kudzora viscosity uye kuyerera maitiro, akakosha kune zvinoshandiswa sekushungurudza, uye kudzika, uye roller coating. HPMC zviito seanotenderedza, kuendesa pseudoplastical kune mafambiro, achibvumira kusununguka kwekushandisa uye kuvandudzika kuunganidza kufanana. Uyezve, maitiro ayo anotetepa anovimbisa uye mafirimu ekugadzira pane application, zvichikonzera kutsiga, kuremara-kusununguka.
Firimu kuumbwa uye zvipingamupinyi zvivakwa:
Mujasi, HPMC inopa zvakanyanyisa kuFirimu kuumbwa uye zvipingamupinyi zvivakwa. Semumiriri wefirimu-emafirimu, Hpmc inogadzira danda rinoenderera, rinodzivirira, rinopa kuimba, kupokana kwemamiriro ekunze, uye unyoro hwekupokana nezvipfuyo. Mafirimu ayo akanaka-ekuumba anogonesa kukudziridzwa kwekusimudzira kwejasi. Pamusoro pezvo, HPMC-yakavakirwa machira ekuratidzira inovharirwa zvipingamupinyi zvematanda, mupfu wemvura, uye zvimwe zvinhu zvemamiriro ekunze, zvinyoreso zvehupenyu hwenzvimbo dzakachekwa.
Adishon Kuwedzera:
Muzvinamatiro zvinonhuwira, HPMC inoshanda seyakakosha chinongedzo chekuvandudza kusimudzira kune dzakasiyana substrates. Yayo hydrophilic yemasikirwo uye molecular chimiro chinogonesa kutaurirana ne substrate nzvimbo, kusimudzira kunyorova uye kushamwaridzana kudiwa. Nekubatanidza hpmc mumakambani anonamatira, vagadziri vanogona kuzadzisa zvakavandudzwa kusungwa kwesimba, kubata, uye peel kuramba, kwakakosha pakushandisa kubva pakurongedza kuvaka. Kupfuurirazve, HPMC-inosimbiswa madekirwo anopa zvakanakira sekudzikira kwakaderedzwa, kuwedzera kuchinjika, uye kuenderana nezvemamiriro ezvinhu anoshamisa kwemamiriro ezvinhu, kuwirirana nekuwedzera kwekuda kwekushongedza kwakasimba.
Kugadzirwa Kwekugadzira uye Kugadziriswa:
Iyo inopesana neHPMC inotambanukira kune yayo mukugadzirwa kwayo yekugadzira uye yekuchengetedza matanho mukati mejasi uye anonamira indasitiri. Kuenderana kwacho nevamwe polymers, vanowedzera, uye solvent vanogonesa maFrench kuti vagadzirise mafambiro zvichienderana nezvinodiwa zvekuita zvichiramba uchichengetedza mutengo-kushanda. Pamusoro pezvo, HPMC inobatsira pakubata kwekusimudzira nekuvandudza kwekusimudzira kwemvura-yakanyorwa (VOC) emission Semitemo inosimbisa uye inokonzerwa nemhoteredzo inowedzera, HPMC inobuda sechishandiso chakakosha kuwana zvese zvinoitwa uye zvinangwa zvekutsigira mumatombo uye maanoman.
HydroxyPropyl methylcellose (HPMC) inoita basa rekutenderwa mumatombo uye zvinoshatirwa zvezvipiriso zvezvinyorwa zvekushandurwa uye kugadzirwa kwemafirimu kuenda kuAdhishing kuwedzeredza uye kusimba. Kuwedzera kwayo uye kuwirirana kunoita kuti ive isina kunyorwa muumbi wekugadzira, inogonesa vagadziri kuti vasangane nemitengo yekuita yekuita apo kugadzirisa kunetsekana kwezvakatipoteredza. Sezvo majasi uye maindasitiri anoshambidza kufambisa
Kutumira Nguva: Kukadzi-18-2025