Pakushandisa dhaka rakanyorova,hydroxypropyl methylcelluloseine hunhu hwakanaka hwekukora, inogona kuwedzera zvakanyanya kugona kwekubatanidza pakati pedhaka rakanyorova nehwaro hwepasi, uye inogona zvakare kuvandudza mashandiro edhaka risingatsvedze, saka rinoshandiswa zvakanyanya mukupurasita Dhaka, sisitimu yekudzivirira madziro ekunze uye dhaka rekubatanidza zvidhinha.
Kuti cellulose ether iwedzere kukora, inogona zvakare kuwedzera homogeneity uye kugona kudzivirira kupararira kwezvinhu zvakagadzirwa nesimende zvakasanganiswa, uye inogonawo kudzivirira matambudziko ekubvisa dhayi, kupatsanura uye kubuda ropa mudhaka nekongiri. Inogona kuiswa pakongiri yakasimbiswa neFiber, kongiri iri pasi pemvura uye kongiri inozvibatanidza.
Hydroxypropyl methylcellulose inogona kuwedzera kushanda kwakasimba kwezvinhu zvakagadzirwa nesimende. Kushanda uku kunonyanya kubva mukusimba kwemhinduro ye cellulose ether. Kazhinji, nhamba ye viscosity inoshandiswa kutonga viscosity yemhinduro ye cellulose ether, nepo cellulose Viscosity ye ether inowanzo reva huwandu hwakati hwemhinduro ye cellulose ether, kazhinji 2%, patembiricha yakatarwa, senge madhigirii makumi maviri uye mwero wekutenderera, uchishandisa chishandiso chekuyera chakatarwa, senge rotational viscometer. Kukosha kwe viscosity.
Kusimba kwesimbi ndeimwe yenzira dzakakosha dzekutonga mashandiro e cellulose ether. Kana viscosity ye hydroxypropyl methylcellulose solution yakakwira, viscosity yezvinhu zvakagadzirwa nesimende iri nani, uye zvinoita kuti substrate irambe ichinamira zvakanaka. Panguva imwe chete, ine simba rekudzivirira kusadzika uye simba rekudzivirira kupararira, asi kana viscosity yayo yakanyanya, inokanganisa mashandiro ekufamba uye mashandiro ezvinhu zvakagadzirwa nesimende.
Ndezvipi zvinhu zvinokanganisa kusimba kwehydroxypropyl methylcellulose? Zvinonyanya kuenderana nezvikonzero zvinotevera.
1. Kana polymerization ye cellulose ether ye hydroxypropyl methylcellulose yakakwira, huremu hwayo hwemamorekuru hunokura, zvichikonzera kusimba kwakanyanya kwemvura yayo.
2. Kana huwandu kana huwandu hwe cellulose ether hwakakwira, viscosity yemvura yayo ichave yakakwira. Zvisinei, kungwarira kunofanirwa kutorwa pakusarudza huwandu hwakakodzera hwe cellulose ether paunenge uchiishandisa, kunyanya kudzivirira huwandu hwakawanda hwe cellulose ether. Izvi zvinokanganisa mashandiro edhaka nekongiri.
3. Kufanana nezvimwe zvinwiwa zvakawanda, viscosity ye cellulose ether solution inoderera nekuwedzera kwekupisa, uye kana huwandu hwe cellulose ether hwakakwira, tembiricha inoderera. Kukanganiswa kwacho kwakanyanya.
4. Mushonga weCellulose ether unowanzova wepseudoplastic, une hunhu hwekuchekerera. Kana kucheka kwacho kwakanyanya panguva yekuedzwa, viscosity yacho ishoma.
Kubatana kwedhaka kuchadzikira nekuda kwesimba rekunze, izvo zvinobatsirawo pakuvaka dhaka, zvichikonzera kubatana kwakanaka uye kushanda zvakanaka kwedhaka panguva imwe chete. Zvisinei, kanaether ye celluloseMushonga une huwandu hwakanyanya Kana viscosity yakaderera uye viscosity iri diki, inoratidza hunhu hweNewtonian fluid. Kana huwandu hwacho hukawedzera, mushonga wacho unoratidza zvishoma nezvishoma hunhu hwepseudoplastic fluid, uye kana huwandu hwacho hwakakwira, pseudoplasticity ichave pachena.
Nguva yekutumira: Kubvumbi-28-2024