Cellulose ethers abubuwa ne da ake amfani da su a masana'antu iri-iri da suka haɗa da gine-gine, magunguna da abinci.Tsarin masana'anta na ether cellulose yana da matukar rikitarwa, ya ƙunshi matakai da yawa, kuma yana buƙatar ƙwarewa da kayan aiki na musamman.A cikin wannan labarin, za mu tattauna daki-daki game da tsarin masana'antu na ethers cellulose.
Mataki na farko a cikin tsarin samar da ether cellulose shine shirye-shiryen albarkatun kasa.Abubuwan da ake amfani da su don samar da ethers na cellulose yawanci suna fitowa ne daga ɓangaren itace da auduga mai ɓata.Ana shreded ɓangarorin itacen kuma ana tacewa don cire duk wani tarkace, yayin da ake sarrafa sharar auduga zuwa ɓangaren litattafan almara.Daga nan ana rage ɓangaren litattafan almara ta hanyar niƙa don samun foda mai kyau.Faɗin itacen foda da auduga na sharar gida ana haɗa su cikin ƙayyadaddun rabbai dangane da abubuwan da ake so na samfurin ƙarshe.
Mataki na gaba ya haɗa da sarrafa sinadarai na gauraye kayan abinci.Ana fara bi da ɓangaren litattafan almara tare da maganin alkaline (yawanci sodium hydroxide) don rushe tsarin fibrous na cellulose.Sakamakon cellulose ana bi da shi tare da sauran ƙarfi kamar carbon disulfide don samar da xanthate cellulose.Ana yin wannan magani a cikin tankuna tare da ci gaba da samar da ɓangaren litattafan almara.Ana fitar da maganin cellulose xanthate ta hanyar na'urar extrusion don samar da filaments.
Bayan haka, cellulose xanthate filaments an sped a cikin wani wanka dauke da diluted sulfuric acid.Wannan yana haifar da sake farfadowa na sarƙoƙi na xanthate cellulose, samar da zaruruwan cellulose.Sabbin zaren cellulose da aka kafa ana wanke su da ruwa don cire duk wani datti kafin a wanke su.Tsarin bleaching yana amfani da hydrogen peroxide don farar da zaren cellulose, wanda sai a wanke da ruwa kuma a bar su ya bushe.
Bayan an bushe fibers na cellulose, suna yin wani tsari da ake kira etherification.Tsarin etherification ya ƙunshi gabatarwar ƙungiyoyin ether, irin su methyl, ethyl ko ƙungiyoyin hydroxyethyl, cikin filaye na cellulose.Ana aiwatar da hanyar ta hanyar amfani da amsawar wakili na etherification da mai haɓaka acid a gaban sauran ƙarfi.Ana aiwatar da martani a ƙarƙashin yanayin kulawa da hankali na zafin jiki da matsa lamba don tabbatar da yawan amfanin samfur da tsabta.
A wannan lokacin, ether cellulose yana cikin nau'in farin foda.Sa'an nan kuma an ƙaddamar da samfurin da aka gama zuwa jerin gwaje-gwajen sarrafa inganci don tabbatar da cewa samfurin ya cika abubuwan da ake so da ƙayyadaddun bayanai, kamar danko, tsabtar samfur da abun ciki.Sannan ana tattara shi kuma a tura shi zuwa ga mai amfani na ƙarshe.
Don taƙaitawa, tsarin masana'anta na ether cellulose ya haɗa da shirye-shiryen albarkatun ƙasa, maganin sinadarai, kadi, bleaching da etherification, sannan gwajin sarrafa inganci.Gabaɗayan tsari yana buƙatar kayan aiki na musamman da sanin halayen sinadarai kuma ana aiwatar da su ƙarƙashin ingantattun yanayin sarrafawa.Samar da ethers cellulose abu ne mai rikitarwa kuma mai cin lokaci, amma yana da mahimmanci a yawancin masana'antu.
Lokacin aikawa: Juni-21-2023