Cellulose ana ana vana, sengemethylcellose (mc),hydroxyprupyl methylcellose (HPMC), uyecarboxymethyl cellose (cmc), inoshandiswa zvakanyanya mukushandisa kwakasiyana-siyana kusanganisira mishonga, kuvaka, uye maindasitiri ezvekudya. Imwe yezvinhu zvinoshorwa zve cellucose anainers kugona kwavo kuchengetedza mvura, iyo yakakosha pakubata kwavo mune izvi zvekushandisa. Kuchengeta kwemvura kunoita kuti zvinyorwa zvive zvichiramba zviri muchimiro chaunoda uye zvinoshanda zvinobudirira, kungave uri mumhinduro yakadzora, gel, kana chikamu chematrix.
1.Chinangwa
Chinangwa cheiyo nguva yekuchengetwa kwemvura ndeyekutsikisa huwandu hwemvura a cellulose ether inogona kubata mamiriro ezvinhu. Ichi chivakwa chakakosha nekuti chinokanganisa basa rekushanda, kugadzikana, uye kuita kweCellulose zvigadzirwa-zvakavakirwa munzvimbo dzakasiyana siyana.
2.Nheyo
Kuchengetwa kwemvura kwakatemerwa nekuyera uremu hwemvura hwakachengetwa neCellulose ether kana yakaiswa pamuedzo wakaenzana. Kazhinji, musanganiswa weiyo cellulose ether yakagadzirirwa nemvura, uyezve huwandu hwemvura yemahara iyo inotsemurwa kana kudururwa kubva mumusanganiswa pasi pekumanikidzwa kuyerwa. Kukwirira kwemvura, kugona kukuru kweiyo cellulose ether kubata unyoro.
3.Zvishandiso uye Zvishandiso
Edza Sampula:Cellulose ether poda (semuenzaniso, mc, hpmc, cmc)
Mvura (yakadzikira)- kugadzirira musanganiswa
Kwekuchengetwa Kwemvura Zvishandiso- Iyo yakajairwa mvura yekuchengetwa kweTest Cell sero (semuenzaniso, funnel ine mesh skrini kana chishandiso chefira)
Balance- kuyera sampu uye mvura
Pepa rekufa- yekudzokorora sampula
Ndapedza silinda- yekuyera huwandu hwemvura
Dzvinyiriro-Kunyura kunze kwemvura yakawandisa (semuenzaniso, chimedu-chakatakurwa-chinoremerwa kana uremu)
Timer-Kutevedzera nguva yekuchengetwa kwemvura kuyera
Thermostat kana incubator- kuchengetedza tembiricha yekuedza (kazhinji pamhepo tembiricha, kutenderera 20-25 ° C)
4.Maitiro
Kugadzirira kweSampu:
Kurera huwandu hunozivikanwa hwemasero ether poda (kazhinji 2 magiramu) nenzira kwayo pane chiyero.
Sanganisa iyo cellulose ether poda ine huwandu hwakaenzana hwemvura yakadzikira (semuenzaniso, 100 ml) kugadzira slurry kana paste. Simudza musanganiswa zvakakwana kuti uve nechokwadi chekupararira kwunifomu uye hydration.
Bvumira musanganiswa wekusanganiswa kwenguva yemaminitsi makumi matatu kuti uve nechokwadi chekuzvimba kwakazara kwe cellulose ether.
Setup of Mvura Kuchengeta mabhuku:
Gadzirira iyo yekuchengetwa kwemvura yekuchengetwa nekuisa pepa refaira mune iyo filtration unit kana funnel.
Dururira iyo cellulose ether slurry pabepa rechina uye simbisa kuti zvakanyanyisa kupararira.
Kuchengetwa Kwekutanga:
Nyorera kumanikidza kune iyo sampuli yemurume kana uchishandisa chitubu-chakaremerwa. Kuwanda kwekumanikidza kunofanirwa kugadzirwa pamiedzo yese.
Bvumira iyo system yekunyora kwemaminitsi mashanu kusvika mashanu, panguva iyo yakawandisa mvura ichapatsanurwa kubva pakubika.
Unganidza mvura yakadirwa mvura mune yakapedzisira silinda.
Kuverenga kwekuchengetwa kwemvura:
Mushure mekuita kwekunyora kwakakwana, kuyera mvura yakaunganidza kuti uone huwandu hwemvura hwakarasika.
Verenga kuchengetwa kwemvura nekubvisa huwandu hwemvura yemahara kubva kune yekutanga huwandu hwemvura inoshandiswa mumusanganiswa wemuenzaniso.
Kudzokorora:
Ita bvunzo mune inofamba-famba kune yega yega cellulose ether sampula kuti ive nechokwadi chechokwadi uye mubereki mhedzisiro. Avhareji yemvura yekuchengetedza mari inoshandiswa pakutaurira.
5.Dudziro yedata
Mhedzisiro yebvunzo yemvura yekuchengetwa inowanzo kuratidzwa sepesenti yemvura inochengetwa nemheremalose ether sampuli. Iyo formula yekuverenga kuchengetedza kwemvura ndeye:
Iyi formula inobatsira kuongorora iyo inobata-inobata mari yemasoulose ana ana anayo pasi pemamiriro ezvinhu ataurwa.
6.Kuyedza misiyano
Mamwe misiyano yeiyo yekutanga mvura yekuchengetwa kwebvunzo inosanganisira:
Kuchengeta kwemvura nguva:Mune zvimwe zviitiko, kuchengetwa kwemvura kunogona kuyerwa panguva dzakasiyana nguva dzekupindirana (semuenzaniso, 5, 10, maminitsi gumi nemashanu) kuti unzwisise kinetics yekuchengetwa kwemvura.
Tembiricha-inoteerera kuganhurana:Miedzo inoitwa munzvimbo dzakasiyana tembiricha dzinogona kuratidza kuti tembiricha inokanganisa sei kudzokorora kwemvura, kunyanya yezvinhu zvinotyisa zvinhu.
7.Zvinhu zvinokanganisa Kuchengeta mvura
Zvinhu zvinoverengeka zvinogona kupesvedzera kuchengetwa kwemvura kweinterintery oters:
Viscosity:Cellaulose ana ana ana yakakwira viscosity vanowanzochengetedza mvura yakawanda.
Solley Huremu:Yakakwira molecular uremu cellulose aungana kazhinji kuve nekuchengetedza mvura yekuchengetwa nekuda kweiyo yavo yakakura molecular chimiro.
Degree rekutsiva:Iyo yemakemikari yekugadziridzwa kwe cellulose anaiters (semuenzaniso, iyo mwero we methylation kana hydroxyprupropropylation) inogona kukanganisa zvakanyanya midziyo yavo yekuchengetwa kwemvura.
Kusvinura kwe cellulose ether mumusanganiswa:Yakakwirira kutarisisa kwemheremalose ether inowanzoguma nekuchengetwa kwemvura kuri nani.
8.Sampula Tafura: Muenzaniso Mhedzisiro
| Sampuli mhando | Yekutanga mvura (ml) | Mvura yakaunganidzwa (ml) | Kuchengeta mvura (%) |
| Methylcellose (mc) | 100 | 70 | 30% |
| Hydroxyprupyl methylcellose (HPMC) | 100 | 65 | 35% |
| Carboxymethyl cellose (cmc) | 100 | 55 | 45% |
| Yakakwira viscosity mc | 100 | 60 | 40% |
Mumuenzaniso uyu, iyo yekuchengetwa kwemvura inoratidza kuti iyo carboxymethyl cellemose (cmc) sampuli yekuchengetwa kwemvura yepamusoro, nepo methylcellose (mc) ine yakaderera yekuchengetedza.
Iyo yekuchengetwa kwemvura yekuchengetwa kwemaserulose ana vana yakakosha nzira yekudzora nzira yekuyera kugona kwezvinhu izvi zvekubata mvura. Mhedzisiro yacho inobatsira kuona kukodzera kweiyo cellulose ether kune zvakanyatso mafaro, sekuti mune zvekumira uko kudzora kwehunyoro kwakakosha. Nekurongedza maitiro emibvunzo, vagadziri vanogona kuve nechokwadi chekuita kwavo cellulose ether zvigadzirwa uye kupa data rinobatsira rekusimudzira chigadzirwa.
Post Nguva: Kukadzi-19-2025