Iyo yepamusoro iyo viscosity ye hydroxyprusyl methylcellose, zvirinani kudzokorora kwemvura. Viscosity izimendi yakakosha yeHPMC kuita. Parizvino, akasiyana HPMC Vagadziri vanoshandisa nzira dzakasiyana uye zviridzwa kuyera zvevasokisi zveHPMC. Nzira huru dziri kuregera rotovisko, hooppler, ubbelohde neBrookfield.
Nezvechigadzirwa chimwe chete, iyo visikopo mhedzisiro yakayerwa nenzira dzakasiyana dzakasiyana-siyana dzakasiyana, uye vamwe vakatowedzera mutsauko. Naizvozvo, paunenge uchienzanisa viscosity, iva nechokwadi chekuzviita pakati penzira dzakafanana bvunzo, kusanganisira tembiricha, rotaricha, etc.
Yehukuru hwechikamu, iyo yakanakisa iyo tangi, iri nani kuchengetwa kwemvura. Mushure mekunge zvikamu zvizhinji zve cellulose ether kusvika mukusangana nemvura, pamusoro penzvimbo inokwira nekukurumidza kuti ugadzire gel, iyo inoputira iyo zvinhu kuti udzivirire kupfupiswa kwemamorekuru emvura. . Zvinokuvadza zvikuru nekuchengetwa kwemvura kweiyo cellulose ether, uye solubility chimwe chezvinhu zvekusarudza cellulose ether. Fineness zvakare ndiyo yakakosha performance index ye methyl cellelose ther. Iyo MC inoshandiswa kuomarara poda inodiwa kuti ive poda, ine yakaderera mvura zvemvura, uye iyo yakanaka zvakare inoda makumi maviri muzana kusvika makumi matanhatu muzana yehukuru hwekuita makumi matanhatu nemashanu. Finess inobata iyo solubility ye hydroxyprupyl methylcellose ether. Coarse MC kazhinji, uye zviri nyore kunyungudika mumvura pasina kuunganidzwa, asi chiyero chekunyungudika chinononoka, saka hazvina kukodzera kushandiswa mune yakaoma dhaka. Mune yakaoma poda poda motari, mc inopararira pakati pezvakagadzirwa zvekushandisa zvakadai sekuunganidza, mafirita akanaka uye simende. Chete chete chakaringana poda chinogona kudzivisa iyo yakakura ye methyl cellelose ether kana ichisanganisa nemvura. Kana MC akawedzerwa nemvura kuti azungunuke agglomirates, zvakaoma kupararira nekunyungudika. MC neCoarser Mafungiro haangapambi chete, asi zvakare inoderedza simba romunharaunda renyama. Kana doro rakaoma kudaro roda rakavakwa munzvimbo yakakura, kurapa kwekumhanyisa kweiyo nzvimbo yemunharaunda yakaoma yePowder yakadzikira zvakanyanya, uye kupaza kunoitika nekuda kwekuporesa kwakasiyana. Kune iyo Spray Darare ichishandisa shanduko yekuvaka, nekuda kwenguva pfupi inosimudzira, iyo yakajeka inodiwa kuti ive yakakwira.
Kazhinji, iyo yepamusoro viscosity, iri nani kuchengetedza kwemvura. Nekudaro, iyo yepamusoro iyo viscosity uye yakakwira iyo smecular uremu hweMC, kuderedzwa kunoenderana mukushamwaridzana kwayo, iyo ine kukanganisa kwakashata pane iyo simba uye yekuvaka yerudzi. Iyo yepamusoro iyo viscosity, zvakanyatsojeka mhedzisiro yemota, asi haina hukama. Iyo yepamusoro iyo viscosity, iyo inonyanya kunamira iyo mongwe yakanyorova ichave. Munguva yekuvakwa, ichanamatira kune iyo scraper uye ine yakanyanya kuderera kune substrate. Asi hazviite zvishoma kuwedzera simba rekuumbwa kweiyo yakanyorova dhaka pachayo. Munguva yekuvakwa, kuita kwekuita kwekunyepedzera hakuonekwe. Pane zvinopesana, vamwe vakaderera-viscosity asi vakashandurwa methyl cellal cellalose mashandiro akanakisa mukuvandudza simba rerudzi rwerudzi rwemvura.
Iyo yakakura huwandu hwe cellulose ether yakawedzerwa muduri, iri nani pabasa rekuchengetwa kwemvura, yakakwira iyo viscosity, iri nani pakuratidzira kwemvura.
Iyo yakajeka yeHPMC zvakare ine imwe pesvedzero pakuchengeta kwayo kwemvura. Kunyanya kutaura, nekuti methyl cellalose etana neiyo viscosity asi yakasiyana yakaenzana, mune iyo yakawedzera mari, iri nani iyo yakajeka, iri nani kuchengetedza kwemvura.
Kuchengetwa kwemvura kweHPMC kunoenderana ne tembiricha inoshandiswa, uye kuchengetwa kwemvura methyl cellulose theri kuderera nekuwedzera kwekushisa. Nekudaro, mune zvinoshanda zvekushandisa zvekushandisa, kuoma poda inowanzoiswa kune inopisa subrates yekupisa Kudonha kwemvura kuchengetwa kwemvura kwakaita kuti pfungwa dzakajeka dzave kuita kuti udzivise uye kupenga kuramba kwakakanganiswa, uye zvinonyanya kutsoropodza kuderedza mhedzisiro yezvinhu zvekushisa mumamiriro ezvinhu akadaro. Kunyangwe methyl hydroxyll cellerthese ether inofungidzirwa kuti iri kumberi kwekuvandudza kwehunyanzvi, kutsamira kwawo kunogona kutungamira mukushayiwa kwekusagadzikana kwemutya. Kunyangwe iyo huwandu hwe methyl hydroxyl cellerethyl celluloseet (zhizha formula) inowedzera, iyo basa rekushanda uye kupaza kuramba kuchiri kugona kuzadzisa zvinodiwa. Kuburikidza nemamwe marapirwo akakosha, sekuwedzera mwero wekutsva, mc kunogona kuita kuti kuve nekuchengetwa kwemvura kwaro kuri nani pane kupisa kwakanyanya, kuitira kuti zvinogona kupa zviri nani kuita mumamiriro ezvinhu ane hutsinye.
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