Iyo yakakura iyo viscosity ye hydroxyprusyl methyl cellelose, zviri nani kuchengetwa kwemvura. Viscosity izimendi yakakosha yeHPMC kuita. Parizvino, akasiyana HPMC Vagadziri vanoshandisa nzira dzakasiyana uye zviridzwa kuyera zvevasokisi zveHPMC. Nzira huru dzinosanganisira Haakerotorko, Hoppler, Ubbelohde neBrookfield.
Nezve chigadzirwa chimwe chete, mhedzisiro yezviratidzo yakayerwa nenzira dzakasiyana siyana dzinosiyana zvakanyanya, uye vamwe vakatowanda. Naizvozvo, paunenge uchienzanisa viscosity, inofanira kuitwa pakati penzira imwecheteyo yekuedzwa, kusanganisira tembiricha, rotorature, nezvimwe.
Yehukuru hwechikamu, iyo yakanakisa iyo tangi, iri nani kuchengetwa kwemvura. Mushure mezvikamu zvakakura zve cellulose ether kusangana nemvura, pamusoro pazvo pakarepo kupera uye kugadzira gel kuputira zvinyorwa zvekudzivirira mamorekuru kuti uenderere mberi nekuenderera mberi. Dzimwe nguva, kunyange nguva refu inosimudzira haigone kuparadzaniswa uye kunyungudutswa, kugadzira makore anofa akafa kana kuonda. Kuchengetwa kwemvura kwemasero e cellulose ether kwakakanganisika zvakanyanya, uye iyo solubility imwe yezvinhu zvekusarudza cellulose ether.
Fineness zvakare ndiyo yakakosha performance index ye methyl cellelose ther. MC Yomhepo Dorar inoda poda, yakaderera mvura zvemvura, uye yakajeka zvakare inodawo makumi maviri muzana -60% size saizi isingasviki 63um. Finess inobata iyo solubility ye hydroxyprupyl methyl cellelose ether. Coarser MC kazhinji uye nyore nyore solubilized mumvura pasina kupera, asi chiyero chekunyungudika chinononoka uye hachina kukodzera kushandiswa mune yakaoma hupfumi.
Mune yakaoma Dorar, MC yakapararira pakati peAggregate, simende, uye zvimwe zvinhu zvekunongedza, uye chete hupfumi hwezvakakwana hunogona kudzivirira kutaridzika kwe methyl cellulose ether agglomerate kana mvura yawedzerwa. Kana mc yanyungudika mumvura, zvakaoma kunyungudika mukupararira. MC neCoarser Mukuru haisingarambwe chete, asi zvakare inoderedza simba remunharaunda yemota. Kana duku rakaoma kudaro rakagadzirwa munzvimbo yakakura, inoratidzwa kuti kumhanya kwekurapa kwemutya wemuno kuoma kwakaderedzwa zvakanyanya, uye kupaza kunokonzerwa nekuporesa kwakasiyana. Kune iyo shotCrete dhaka nekuvaka zvekuvaka, nekuti nguva yekusanganisa ipfupi, zvido zvinodikanwa zvakakwirira.
Kazhinji, iyo yepamusoro viscosity, iri nani kuchengetedza kwemvura. Nekudaro, iyo yepamusoro iyo viscosity ndeyekuti, iyo yepamusoro suremu ye mc iri, uye iyo solubability ye mc ichaderera nenzira yakajeka, iyo ine kukanganisa kwakashata pane simba rekusimba uye rekuvaka remota. Iyo yepamusoro viscosity, zvakanyatsojeka mhedzisiro yemota, asi haina kuenzana neukama. Iyo yepamusoro iyo viscosity, iyo inonamatira iyo mongwe yakanyorova, zviri zviviri panguva yekuvaka, kuita kweanonamira scriper uye yakanyanya kuderera kune substrate. Asi hazvibatsiri kuwedzera simba rekuumbwa kwerufu rwemutema pacharo. Kana iko kuvakwa, kuita kweanti - Droop hakusi pachena. Kusiyana neizvozvo, vamwe vakagadziridzwa methyl cellel cellulose ana vatanhi nepakati uye vakaderera viscosity vane chekuita zvakanyanya mukuvandudza simba rerudzi rwerudzi rwemvura.
Iyo yakakura huwandu hwe cellulose ether yakawedzerwa muduri, iri nani kuchengetedza kwemvura, yakakwira iyo viscosity, iri nani kudzokorora kwemvura.
Hpmc godo zvakare ine chekuita zvakare nekuchengetwa kwayo kwemvura, kazhinji kutaura, kune iwo maViscosity uye akafanana methyl methyl Cellulose Erther
Kuchengetwa kwemvura kweHPMC kunoenderana ne tembiricha inoshandiswa, uye kuchengetwa kwemvura methyl cellulose theri kuderera nekukwira kwekushisa. Asi mune chaicho chishandiso chekushandisa, nharaunda dzakawanda dzakaoma dzichiri mumadhiji makuru (akakwira madhigirii ekuvakira pasi pezuva riri muzhizha, rinowanzo atsa kurapa kweiyo simende uye kuomesa kwemotokari yakaoma.
Kuderera kwehuwandu hwekuchengetwa kwemvura kunotungamira kumanzwiro ari pachena kuti zvese zvinovaka uye kupaza kuramba kwakanganiswa. Mumamiriro ezvinhu akadaro, zvinonyanya kutsoropodza kuderedza pesvedzero yezvinhu tembiricha. Kunyangwe methylhydroxylyl cellerthose ether diafy inofungidzirwa kuti iri pamberi pekusimudzira kwehunyanzvi, kutsamira kwawo kucharamba kuchitungamira mukushayiwa kwekushayiwa kwemutya.
Kuwedzera iyo dosage ye methyl hydroxyl cellyl cellulose, kuvaka uye kupaza kuramba kuchiri kusakwanisa kuita zvinodiwa nekushandiswa kwekushandiswa kwekushandisa. MC kubudikidza nekubatwa kwakakosha, sekuvandudza iyo degree rekutsausa, kunogona kuita kuti mvura ive yavo yekuchengetedza mumamiriro ekupisa kwakanyanya kuti urambe uchiita zviri nani, kuti zvive zvinokwanisa kupa zviri nani mamiriro ezvinhu ane hutsinye mamiriro ezvinhu.
Post Nguva: Kukadzi-20-2025