Zita reChinese reHPMC iri hydroxyprupyl methylcellose. Izvo zvisiri-ionic uye zvinowanzoshandiswa seyemvura-yekuchengetedza mumiririri mumufananidzo wakaoma-akasanganiswa. Ndiyo inonyanya kushandiswa kushandisa mvura-yekuchengetedza zvinyorwa mudhaka.
Maitiro ekugadzira HPMC anonyanya kuve polysaccharide-based etera chigadzirwa chakagadzirwa neayo alkalization uye erafied yekotoni fiber (domestic). Izvo hazvina mhosva pacharo, haatore pamwe neyekupiwa kwekupiwa muchinyorwa chejecha, uye ane maitiro akagadzikana. Mutengo wacho zvakare wakaderera pane mamwe marudzi e cellulose ana vana, saka inoshandiswa zvakanyanya mune yakaoma-yakasanganiswa dhaka.
Basa reHydroxyPropyl methylcellose: Inogona kutinhira iyo nyowani yakavhenganiswa deya kuti uve neyakaona yewisikoka uye kudzivirira kusarongeka. . .
Iyo yepamusoro iyo viscosity ye hydroxyprusyl methylcellose ether, zvirinani kudzokorora kwemvura. Viscosity izimendi yakakosha yeHPMC kuita. Parizvino, akasiyana HPMC Vagadziri vanoshandisa nzira dzakasiyana uye zviridzwa kuyera zvevasokisi zveHPMC. Nzira huru ndedzekuti Haakerotorko, Hopler, Ubbelohde neBrookfield.
Nezve chigadzirwa chimwe chete, iwo mavhisipa anowana nzira dzakasiyana dzakasiyana-siyana dzakasiyana, uye vamwe vakatove misiyano yakawedzera kaviri. Naizvozvo, kana uchienzanisa vhiza, inofanira kuitwa pakati penzira imwecheteyo nzira dzekuyedza, kusanganisira tembiricha, rotoratur, nezvimwewo, iyo yakanakisa chetatu, zviri nani kuchengetwa kwemvura. Mushure mekunge zvikamu zvizhinji zve cellulose ether kusvika mukusangana nemvura, pamusoro pazvo zvinopera uye zvinoumba gel kuputira zvinyorwa zvekudzivirira mamorekuru kuti uenderere mberi nekuenderera mberi. Dzimwe nguva hazvigone kugadzikana pamwe nekunyungudutswa kunyangwe mushure menguva refu kusimudzira, kuumba makore ekuwedzera furccucleent solution kana kuunganidzwa. Zvinokuvadza zvakanyanya kuganhurirwa kwemvura kwe 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 yezvinyorwa, uye iyo yakanaka zvakare inoda 20% ~ Iyo fineess inobata iyo solubility ye hydroxyprupyl methylcellose ether. Coarse MC kazhinji, uye zviri nyore kunyungudika mumvura pasina kuunganidzira, asi iyo yekunyungudika inononoka, saka haina kukodzera kushandiswa mune yakaoma muhombodo muhombe.
Mune yakaoma Powder Dorar, MC inopararira pakati pekusimbisa zvinhu zvakadai sekuunganidza, Filer Filer uye simende, uye chete hupfumi hwakakwana hunogona kudzivirira methyl cellulose ether agglomeration kana kusanganisa nemvura. Kana MC anowedzerwa nemvura kuti azungunuke iyo aglomirates, yakaoma kwazvo kuparadzira nekunyungudika. Coarse fineeness ye mc haina kungosimbaradza, asi zvakare inoderedza simba remunharaunda romutema. Kana doro rakaoma rakadaro riri munzvimbo yakakura, kurapa kwekurapa kweiyo nzvimbo yakaoma yePowder yePowa ichave yakaderedzwa zvakanyanya, uye matsaula ichaonekwa nekuda kwekuporesa kwakasiyana. Kune iyo durwe rakakwenenzverwa nekuvaka muchina wekuvaka, izvo zvinodiwa kuti zvifeke zvakakwira nekuda kwenguva pfupi yekusanganisa. Kazhinji, iyo yepamusoro viscosity, iri nani kuchengetedza kwemvura. Nekudaro, iyo yepamusoro viscosity uye yakakwira iyo smecular uremu hweMC, kuderera kunoenderana mukushushikana kwayo kunokanganisa kusasimba kwekusimba uye kwekuvaka kwemutya.
Yakakwira iyo viscosity, zvakanyatsojeka zvinokanganisa mudhaka, asi haina hukama zvakananga. Iyo yepamusoro iyo viscosity, iyo yakawanda viscous iyo mongwe yakanyorova, iri panguva yekuvakwa, inoratidzwa sekunamatira kune iyo scriper uye yakanyanya kuderera kune substrate. Asi hazvibatsiri kuwedzera simba rekuumbwa kweiyo yakanyorova dhaka pacharo. Ndokunge, panguva yekuvaka, kuita kwekunyepedzera-sag hakusi pachena. Pane kusapindirana, imwe yepakati uye yakaderera viscosity asi yakagadziridzwa methyl cellal celler maserimita kuita mukuvandudza simba rerudzi rwemutengesi.
Kuchengetwa kwemvura kweHPMC kunoenderana ne tembiricha inoshandiswa, uye kuchengetwa kwemvura methyl cellulose theri kuderera nekuwedzera kwekushisa. Nekudaro, mune chaiyo zvinyorwa zvekushandisa, yakaoma poda inowanzoiswa kune inopisa subrates tembiricha yakaoma poda dhiri. Kuderera kwehuwandu hwekuchengetwa kwemvura kunotungamira kumanzwiro ari pachena kuti zvose zvinoshanda uye kupenga kuramba kwakanganiswa, uye zvinonyanya kutsoropodza kuderedza simba rekushisa pasi pemamiriro ezvinhu aya.
Mune izvi, methyl hydroxylyl cellevelose ether yekuwedzera parizvino inoonekwa sepamberi pekuvandudza tekinoroji. Kunyangwe huwandu hwe methyl hydroxyll cellenchers Kuburikidza nedzimwe nzira yakakosha paMC, sekuwedzera huwandu hwekuregererwa, nezvimwe, iyo yekuchengetedza mvura inogona kuchengetedzwa pakupisa kwakanyanya, kuitira kuti inogona kupa zviri nani kuita mamiriro ezvinhu ane hutsinye.
Iyo Dosage yeHPMC haifanire kunge yakanyanya, neimwe nzira ichawedzera kudikanwa kwemvura yemvura, ichanamatira kune trowel, uye nguva yekugara ichave yakareba, iyo ichakanganisa yekuvaka. Zvigadzirwa zvakasiyana-siyana zveMortus Shandisa HPMC ine zvisizvo zvevema visikoka, uye usashandise yakakwira-viscosity hpmc zvakangoitika. Naizvozvo, kunyange hydroxyprupropyl zvigadzirwa zvakanaka zvakanaka, vanokudzwa pavanoshandiswa zvakanaka. Kusarudza iyo chaiyo HPMC ibasa rekutanga rebhizinesi revashandi vashandi. Parizvino, vatengesi vazhinji vasina kutendeka vanowedzera hpmc, uye mhando iripo murombo. Paunenge uchisarudza imwe cellulose, murabhoritari unofanirwa kuita basa rakanaka mukuyedza kuti uve nechokwadi chekugadzikana kwechigadzirwa, uye usave nemakaro euchipa uye kukonzera kurasikirwa kusiri chikonzero.
Kutumira Nguva: May-04-2023