Mhedzisiro yakakora yecellulose etherZvinoenderana ne: Dhigirii rePolymerization ye Cellulose ether, mhinduro yekusimbisa, Shear rate, tembiricha nemamwe mamiriro. Iyo gelling midziyo yemhinduro yakasarudzika kuAlkyl cellelose uye yakagadziridzwa ayo yakagadziriswa. Iyo gelation zvivakwa zvine chekuita neyero yekutsiva, mhinduro yekusimbisa uye yekuwedzera. Kune hydroxylkyllk yakagadziridzwa inobva Zvekudzika viscosity mc uye hpmc, 10% -15% mhinduro mc uye hpmc inogona kugadziriswa 5% -10% solution mc uye hpmc inogona kungogadzirira 2% -3% mhinduro, uye kazhinji Iyo viscossity kuiswa kwe cellulose ether inoenderana ne1% -2% mhinduro.
Yakakwira-Molecular-Weight Cellulose Erther ine Yakanyanya Kubudirira Kubudirira, uye Polymers ine huremu hwakasiyana neMelecular zvine zvisizvo zvevatenzi mune imwe nzvimbo yekusungwa. Iyo target viscosity inogona chete kuwanikwa nekuwedzera huwandu hwakawanda hwehuwandu hwakareba hwemanyorerwe ecelose ether. View's viscosity ine zvishoma kutsamira pajecha, uye iyo yepamusoro viscosity inosvika kune iyo tarisiro yevisimusi, inoda kuwedzera zvishoma, uye iyo viscosity zvinoenderana nekubudirira kwekubudirira. Naizvozvo, kuti uwane kumwe kusimba, imwe huwandu hwe cellulose ether (kusunganidzwa kwemhinduro) uye mhinduro viscosity inofanira kuvimbiswa. Iyo tembiricha yemhedzisiro yemhindurowo zvakare inoderedza mutsara nekuwedzera kwekusangana kwemhinduro, uye geles pamhepo tembiricha mushure mekusvika pane imwe pfungwa. Iyo gelling yekuvhara yeHPMC yakakwira pakakwirira pamhepo tembiricha.
Kuenderana kunogona zvakare kuchinjirwa nekusarudza sizele size uye kusarudza cellulose ana ana madhigirii akasiyana ekugadziridzwa. Iyo inonzi iyo shanduko ndeyekuisa imwe nhanho yekutsiva kwehydroxylkylks mapoka ezvikamu zveSkeleton yeMC. Nekushandura kukosha kwenhamba yekutsiva kwevanhu vaviri vanopfuura, ndiko kuti, iyo DS kuenderana nekutsiva kweiyo nzira uye hydroxylkyl mapoka atinowanzo taura. Yakasiyana-siyana yekuita zvinodiwa zve cellulose ether inogona kuwanikwa nekuchinja huwandu hwekutsiva kwehuwandu hwevanhu vaviri vevatsidzi.
Yakakwira-viscosity cellulose ether mhinduro yemvura ine yakakwira thixotropy, iyo zvakare hombe hunhu hwe cellulose ether. Mhinduro dzemumvura dzeMC Polymers dzinowanzove nePseudoplastics uye isina-thixotropic fluidity pazasi pavo stel tembiricha, Pseudoplasticality inowedzera neyekuwedzera uremu kana kusunganidzwa kwemheremelle ether, zvisinei nerudzi rwetsiva uye degree rekutsiva. Naizvozvo, mheremalose etana emagrosity gracosity giredhi, hpmc, hemc, inogara ichiratidza zvimwe zvinhu zvechitsidzo kwenguva yakareba sekusangana uye tembiricha inogara ichichengetwa nguva dzose. Matura emhando ikagadzirwa kana tembiricha yamutswa, uye zvakanyanya thisiotropic inoyerera inoitika. Yakanyanya kuderera uye yakaderera viscosity cellulose ana anairatidzira thixotropy kunyangwe pazasi pegomba tembiricha. Ichi chivakwa chinobatsira zvikuru kugadzirisa kwekuwedzera uye kusekerera mukuvakwa kwekuvaka moter.
Izvo zvinoda kutsanangurwa pano iyo yepamusoro iyo viscosity yecellulose ether, zviri nani kuchengetwa kwemvura, asi kukwirira kwemvura, kukwirira kwemanyorerwo, kuremerwa kwemanyorerwo e cellulose ether, uye kuderera kunoenderana mukushushikana kwayo, iyo ine yakaipa kukanganisika kwekusanzwisisa uye kuita kwekuvaka. Yakakwira iyo viscosity, iyo iri pachena iyo inoshamisa mhedzisiro pane dhaka, asi haina kuenzana. Vamwe vepakati uye vakaderera viscosity, asi iyo yakagadziridzwa cellulose ether ine zvirinani kuita mukuvandudza simba rerudzi rwerudzi rwemvura. Nekuwedzera kweViscosity, kuchengetwa kwemvura kwemasero ether kunovandudza.
Kutumira Nguva: Kubvumbi-28-2024