Hydroxypropyl methylcellulose HPMC inogona kuvandudza zvakanyanya kuchengetwa kwemvura mumota. Kana huwandu hwekuwedzera huri 0.02%, chiyero chekuchengetedza mvura chichawedzerwa kubva pa83% kusvika ku88%; huwandu hwekuwedzera huri 0.2%, chiyero chekuchengetedza mvura nde97%. Panguva imwe chete, huwandu hushoma hweHPMC hunoderedzawo zvakanyanya kupatsanurwa uye chiyero chekubuda ropa mumota, izvo zvinoratidza kuti HPMC haingogone chete kuvandudza kuchengetwa kwemvura mumota, asiwo inovandudza zvakanyanya kubatana kwemota, izvo zvinobatsira zvikuru pakufanana kwemhando yekuvaka mota.
Zvisinei, hydroxypropyl methylcellulose HPMC ine mhedzisiro yakaipa pakusimba kweflexural uye kusimba kwekumanikidza kwemortar. Nekuwedzera kwehuwandu hweHPMC, simba rekusimba kweflexural uye kusimba kwekumanikidza kwemortar zvinoderera zvishoma nezvishoma. Panguva imwe chete, HPMC inogona kuwedzera simba rekusimba kwemortar. Kana huwandu hweHPMC huri pasi pe0.1%, simba rekusimba kwemortar rinowedzera nekuwedzera kwemuyero weHPMC. Kana huwandu hwacho hwapfuura 0.1%, simba rekusimba harizowedzere zvakanyanya. Hydroxypropyl Methyl
Cellulose HPMC inowedzerawo simba rekubatanidza remota. Iyo 0.2% HPMC yakawedzera simba rekubatanidza remota kubva pa0.72 MPa kusvika pa1.16 MPa.
Ongororo dzakaratidza kuti HPMC inogona kuwedzera nguva yekuvhurwa kwesimbi, zvekuti huwandu hwesimbi inodonha hunodzikira zvakanyanya, izvo zvinobatsira zvikuru pakuvaka tambo dzekubatanidza mataira. Kana HPMC isina kusanganiswa, simba resimbi yesimbi rinodzikira kubva pa0.72 MPa kusvika pa0.54 MPa mushure memaminitsi makumi maviri, uye simba resimbi yesimbi yesimbi ine 0.05% ne0.1% HPMC ichava 0.8 MPa ne0.84 MPa mushure memaminitsi makumi maviri. Kana HPMC isina kusanganiswa, kutsvedza kwesimbi yesimbi i5.5mm. Nekuwedzera kwehuwandu hweHPMC, kutsvedza kucharamba kuchidzikira. Kana dosage iri 0.2%, kutsvedza kwesimbi yesimbi kunodzikira kusvika pa2.1mm.
Nguva yekutumira: Kurume-03-2022