I-Celluloseiyisakhi esiyinhloko sezindonga zamaseli ezitshalo, futhi iyi-polysaccharide esakazeke kakhulu futhi eningi kakhulu emvelweni, equkethe okungaphezu kuka-50% kokuqukethwe kwekhabhoni embusweni wezitshalo. Phakathi kwazo, okuqukethwe kwe-cellulose kukotini kuseduze no-100%, okuwumthombo we-cellulose wemvelo omsulwa kakhulu. Ngokuvamile ngokhuni, i-cellulose ibala u-40-50%, futhi kukhona i-hemicellulose engu-10-30% kanye ne-lignin engu-20-30%. I-Cellulose ether yigama elijwayelekile lezinhlobo ezahlukene zezinto ezitholakala ku-cellulose yemvelo njengezinto zokusetshenziswa ngokusebenzisa i-etherification. Ungumkhiqizo owakhiwe ngemuva kokuthi amaqembu e-hydroxyl kuma-macromolecule e-cellulose athathelwe indawo ngokwengxenye noma ngokuphelele amaqembu e-ether. Kukhona izibopho ze-hydrogen zangaphakathi kwe-chain kanye ne-inter-chain kuma-macromolecule e-cellulose, okunzima ukuncibilika emanzini kanye cishe kuzo zonke izinyibilikisi eziphilayo, kodwa ngemva kwe-etherification, ukwethulwa kwamaqembu e-ether kungathuthukisa i-hydrophilicity futhi kwandise kakhulu ukuncibilika emanzini nasezinyibilikisini eziphilayo. Izakhiwo zokuncibilika.
I-Cellulose ether inedumela elithi “i-industrial monosodium glutamate”. Inezakhiwo ezinhle kakhulu njengokuqina kwesisombululo, ukuncibilika kwamanzi okuhle, ukumiswa noma ukuqina kwe-latex, ukwakheka kwefilimu, ukugcinwa kwamanzi, kanye nokunamathela. Ayinawo ubuthi futhi ayinambitheki, futhi isetshenziswa kabanzi ezintweni zokwakha, kwezokwelapha, ekudleni, ezindwangu, kumakhemikhali ansuku zonke, ekuhlolweni kwephethroli, ezimayini, ekwenzeni iphepha, ekupholiseni, ezindizayo nakwezinye izindawo eziningi. I-Cellulose ether inezinzuzo zokusetshenziswa kabanzi, ukusetshenziswa kwamayunithi amancane, umphumela omuhle wokuguqulwa, kanye nobungane bemvelo. Ingathuthukisa kakhulu futhi ithuthukise ukusebenza komkhiqizo emkhakheni wokufakwa kwayo, okusiza ekuthuthukiseni ukusebenza kahle kokusetshenziswa kwezinsiza kanye nenani elengeziwe lomkhiqizo. Izithasiselo ezinobungane nemvelo ezibalulekile emikhakheni ehlukahlukene.
Ngokusho kwe-ionization ye-cellulose ether, uhlobo lwezinto ezithatha indawo kanye nomehluko ekuncibilikeni, i-cellulose ether ingahlukaniswa ngezigaba ezahlukene. Ngokusho kwezinhlobo ezahlukene zezinto ezithatha indawo, ama-cellulose ether angahlukaniswa ngama-single ethers nama-mixed ethers. Ngokusho kokuncibilika, i-cellulose ether ingahlukaniswa ngemikhiqizo encibilika emanzini kanye nemikhiqizo engancibiliki emanzini. Ngokusho kwe-ionization, ingahlukaniswa ngemikhiqizo ye-ionic, engeyona ionic kanye nemikhiqizo exubile. Phakathi kwama-cellulose ether ancibilika emanzini, ama-non-ionic cellulose ethers afana ne-HPMC anokumelana nokushisa okungcono kakhulu kanye nokumelana nosawoti kune-ionic cellulose ethers (CMC).
Ithuthukisa kanjani i-cellulose ether embonini?
I-cellulose ether yenziwe ngokotini ocwengekile ngokusebenzisa i-alkaliization, i-etherification kanye nezinye izinyathelo. Inqubo yokukhiqiza ye-HPMC yezinga lemithi kanye ne-HPMC yezinga lokudla iyafana ngokuyisisekelo. Uma kuqhathaniswa ne-cellulose ether yezinga lezinto zokwakha, inqubo yokukhiqiza ye-HPMC yezinga lemithi kanye ne-HPMC yezinga lokudla idinga i-etherification ehleliwe, okuyinto eyinkimbinkimbi, enzima ukulawula inqubo yokukhiqiza, futhi idinga ukuhlanzeka okuphezulu kwemishini kanye nendawo yokukhiqiza.
Ngokusho kwedatha enikezwe yi-China Cellulose Industry Association, amandla okukhiqiza abakhiqizi be-non-ionic cellulose ether abanekhono elikhulu lokukhiqiza lasekhaya, njengeHercules Temple, Shandong Heda, njll., adlula u-50% wamandla okukhiqiza kazwelonke. Kunabanye abakhiqizi abaningi abancane be-non-ionic cellulose ether abanekhono lokukhiqiza elingaphansi kwamathani angu-4,000. Ngaphandle kwamabhizinisi ambalwa, iningi lawo likhiqiza ama-cellulose ether ajwayelekile e-grade yezinto zokwakha, anomthamo wokukhiqiza ophelele ongamathani angaba ngu-100,000 ngonyaka. Ngenxa yokuntuleka kwamandla ezezimali, amabhizinisi amaningi amancane ayahluleka ukuhlangabezana nezindinganiso zokutshalwa kwezimali ekuvikelweni kwemvelo ekuphathweni kwamanzi nasekuphathweni kwegesi yokukhipha umoya ukuze kuncishiswe izindleko zokukhiqiza. Njengoba izwe kanye nomphakathi wonke benaka kakhulu ukuvikelwa kwemvelo, lawo mabhizinisi embonini angakwazi ukuhlangabezana nezidingo zokuvikelwa kwemvelo azovala kancane kancane noma anciphise ukukhiqizwa. Ngaleso sikhathi, ukuhlushwa kwemboni yokukhiqiza i-cellulose ether yezwe lami kuzokhula kakhulu.
Izinqubomgomo zokuvikela imvelo zasekhaya ziya ngokuya ziba nzima, futhi kubekwa izidingo eziqinile zobuchwepheshe bokuvikela imvelo kanye nokutshalwa kwezimali enqubweni yokukhiqizai-cellulose etherIzinyathelo zokuvikela imvelo ezisezingeni eliphezulu zandisa izindleko zokukhiqiza zamabhizinisi futhi zakha umkhawulo ophezulu wokuvikelwa kwezemvelo. Amabhizinisi angakwazi ukuhlangabezana nezidingo zokuvikela imvelo cishe azovalwa kancane kancane noma anciphise ukukhiqizwa ngenxa yokwehluleka ukuhlangabezana nezindinganiso zokuvikela imvelo. Ngokusho kwe-prospectus yenkampani, amabhizinisi anciphisa kancane kancane ukukhiqizwa futhi ayeke ukukhiqizwa ngenxa yezici zokuvikela imvelo angase ahilele ukuhlinzekwa okuphelele kwamathani angaba ngu-30,000 ngonyaka we-cellulose ether yezinto zokwakha ezijwayelekile, okusiza ekwandiseni amabhizinisi anenzuzo.
Ngokusekelwe ku-cellulose ether, iyaqhubeka nokunwebeka emikhiqizweni ephezulu kakhulu futhi enenani eliphezulu
Isikhathi sokuthunyelwe: Ephreli-25-2024