HPMC Chinese Zita HydroxyPropyl methyl Cellelose, isiri-ionic mhando, mune yakaoma motsi inowanzoshandiswa mumugodhi wekuchengetwa kwemvura, ndiyo inonyanya kushandiswa kudzokorora kwemvura mudhaka.
Hpmc yekugadzira maitiro inonyanya kukotoni fiber (mudzimba) mushure mekunge alkalization, kutsausa uye chizvarwa che polysaccharide ether zvigadzirwa. Izvo hazvina mhosva uye hazviite nemhosva yekupomerwa muchinhu chemisangano, uye kuita kwayo kwakasimba. Mutengo zvakare wakaderera kupfuura mamwe marudzi emasero e cellulose ether, saka inoshandiswa zvakanyanya mune yakaoma musanganiswa.
HydroxyPropyl methyl cellel Cellelose basa: inogona kuita kuti dhiraivha nyowani yakakora kuitira kuti ive neyakaona mongororo yemvura, kudzivirira kusarongeka. . .
Iyo yakakura iyo viscosity ye hydroxyprusyl methyl cellel cellelose ether, zvirinani 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 inoda 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. Ndokunge, panguva yekuvaka, kuita kwekunyepedzera-dhiri hakusi pachena. Kusiyana neizvozvo, vamwe vakagadziridzwa methyl cellel cellulose ana vatanhi nepakati uye vakaderera viscosity vane chekuita zvakanyanya mukuvandudza simba rerudzi rwerudzi rwemvura.
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. Mune izvi, methyl hydroxyll cellenchose ether anonyanya kuwanikidzwa kuve ari pamberi pekuvandudza tekinoroji. Kunyangwe kuwedzera methyl hydroxyll cellerethyl cellulose dosage (zhizha formula), kuvaka uye kupaza kuramba kuchiri kusakwanisa kuita zvinodiwa. 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.
General HPMC ine Gel tembiricha, inogona kukamurwa mumhando makumi matanhatu, 65 marudzi, makumi manomwe emhando. Zvekuti zvakajairika-zvakakosanganiswa-zvakabatanidzwa nemubhokisi erwizi mabhizinesi aive nani asarudza makumi manomwe neshanu HPMC ine yakakwirira gel tembiricha. HPMC DOSAGE haifanire kunge yakanyanya, yakakwira kwazvo ichaita kuti mvura yemvura iwedzere kuwedzera, asi zvakare inonamira, yekuedza nguva yakareba, inokanganisa kuvakwa. Zvigadzirwa zvakasiyana-siyana zveMort sarudza Vakasiyana viscosity Hpmc, usanyatso shandisa yakakwira viscosity HPMC. Naizvozvo, kunyangwe hydroxypruppropyl zvigadzirwa zvakanaka, asi kushandiswa kwewakanaka kurumbidzwa, sarudza iyo HPMC chaiyo ibasa rekutanga rebhizinesi revashandi. Parizvino, kune vazhinji vevatengesi vepombi zvisiri pamutemo muCompound Hpmc, iyo mhando ndeyekuti murombo anofanira kusarudza imwe mhando yemasero, ita basa rekugadzikana kwezvigadzirwa zvega, usachiva zvakachipa, zvikonzera kurasikirwa kusingafanirwe.
Post Nguva: Kukadzi-20-2025