Ndezvipi zvinhu zvetsiva zveHpc?
HydroxyPropyl methylcellose (HPMC) inzira inoverengeka inowana shandisa zvakanyanya mumaindasitiri akasiyana, kusanganisira mishonga, kuvaka, chikafu, kunyanya nekuda kwezvinhu zvayo zvakasarudzika zvimiro zvakatsanangurwa. Rheology ndicho chidzidzo chekuyerera uye kusvibiswa kwezvinhu, uye kunzwisisa zvivakwa zveHPMC kwakakosha kuti ugadzirise mashandiro azvo mune akasiyana maapplication.
Viscosity: HPMC inoratidza pseudoplastic kana shear-yakaonda maitiro, zvichireva viscosity inoderera nekuwedzera shear rate. Ichi chivakwa chakakosha mukushandisa senge mishonga yemishonga, uko kunobvumira kupomba kuri nyore kupomba, kupararira, uye kushandisa. Viscosity inogona kuvezwa nekugadzirisa iyo degree rekutsiva (DS) uye molecular uremu hweHPMC.
Thiskotropy: the thiskotropy inotaura kune inoshanduka-shanduka yeGel-Sol shanduri yakaratidza nezvimwe zvinhu pasi peShear kushushikana. HPMC Gels yakaumbwa pakuzorora inogona kupwanya pasi pasi peShear uyezve zvakare yavo gel chimiro kana kunetseka kwabviswa. Ichi chivakwa chinobatsira mukushandisa senge pendi, kwainodzivirira kusekerera panguva yekunyorera asi vanovimbisa kubhuroka kwakakodzera kamwe chete.
Hydration: HPMC iri hygroscopic uye inogona kutora mvura, inotungamira pakuzvimba uye yakawedzera viscosity. Dhigirii re hydration zvinoenderana nezvinhu zvakadai sekupisa, Ph, uye ionic simba renyama yakapoteredza. Hydration inoita basa rakakosha mukudzora kusunungurwa kwezvinodhaka kubva pamishonga yemishonga uye kuchengetedza zvinyoro-nyoro mune zvigadzirwa zvekudya.
Tembiricha yekunzwa:HpcSolutions inoratidzira tembiricha-inovimbika yekuvhara, ine viscosity inoderera sekuwedzera kwekushisa. Nekudaro, maitiro aya anogona kusiyana zvichienderana nezvinhu zvakaita sePolymer Constentation uye mhinduro pH. Tembiricha yekudziya inokosha mune zvikumbiro sezvinhu zvekuvaka, kwauchikanganisa uye kugara nguva.
Sangano reMunyu Ichi chiitiko chinofungidzirwa kune zvekudyidzana pakati peHPMC mamorekuru uye ion muSolution. Kunzwa kwemunyu kwakakosha mune mishonga yemishonga uye zvigadzirwa zvekudya zvinofanirwa kuve nemunyu unoda kunyatso kudzorwa.
Shear Rate Kuchengetera: Iyo rheological Properties yeHPMC Solutions inotsamira zvakanyanya pane Shear rate yakashandiswa. Parizi dzinodzikira, viscosity yakakwira nekuda kwekuwedzera mamelecular incangerement, nepo pakakwirira shear mitengo, viscosity inoderera nekuda kwekutetepa. Kunzwisisa Shear Rate Kuchenesa kwakakosha kwekugadzira mamiriro ekugadzirisa mamiriro akasiyana siyana.
Kumiswa Kwemisimusi: HPMC inogona kuita seyekumisa mumiririri wezvinyorwa mumvura yekugadzira nekuda kwekuita kwayo uye kusimbisa zvivakwa. Izvo zvinobatsira kudzivirira kugadzirisa zvimedu zvakasimba, kuona yunifomu yekugovera uye kusawirirana muzvigadzirwa zvakadai sekupenda, zvinoshambidza, uye kumiswa kwemishonga.
Gel Kuumbwa:Hpcinogona kuumba majekiri pakukwirira kwakanyanya kana pamberi pevamiriri vamiririri vakadai sevadzidzi. Aya maGels exhibit viscoelastic zvivakwa uye anoshandiswa mukushandisa zvakadai sekutongwa kwezvinodhaka, uko kusunungurwa kwekusunungurwa kwezvinhu zvinoshanda zvinodikanwa.
Iyo rheological zvivakwa zveHPMC, inosanganisira viscosity, hyxotropy, hydration, kupisa kwemunyu, uye kuumbwa kwechidimbu, kutamba kwakakosha, kutamba kwakakosha mukuona mashandiro ayo mune dzakasiyana siyana maindasitiri ekushandisa. Kunzwisisa uye kudzora izvi zvivakwa zvakakosha kuti ugadzirise iyo yekuumbwa uye kugadzirisa kwezvigadzirwa zveHPMC.
Kutumira Nguva: Kubvumbi-27-2024