Sodium Carboxyl methyl Cellulose (Carboxyl methyl Cellulose), eo ho thoeng ke CMC, ke cellulose ether, carboxyl methyl derivative of cellulose, eo hape e tsejoang ka hore ke cellulose gum, ke ionic cellulose gum ea bohlokoa ka ho fetisisa. E ne e hlahisoa khoebong Europe mathoasong a lilemo tsa bo-1910 'me e ne e sebelisoa e le colloid le binder. Ka 1947, e ile ea lumelloa ho sebelisoa e le tlatsetso indastering ea ho lokisa lijo 'me e na le phello e teteaneng. Tharollo ea metsi ea sodium carboxymethyl cellulose e na le mesebetsi ea ho tiisa, ho kopanya, ho theha filimi, sekhomaretsi se sireletsang, ho boloka mongobo, emulsification le ho emisoa, joalo-joalo Lihlahisoa tse tloaelehileng ke tsa petroleum grade, lijo, lik'hemik'hale tsa letsatsi le letsatsi, sehlopha sa meriana le betri ea CMC. Har'a bona, CMC ea boemo ba betri e sebelisoa e le setlamo sa li-electrode tsa lithium betri, 'me tlhoko ea eona ea mmaraka e eketsehile ka potlako lilemong tsa morao tjena ka ho phahama ha indasteri e ncha ea likoloi tsa motlakase.

Theknoloji ea ts'ebetso

Ts'ebetso ea tlhahiso ea sodium carboxymethyl cellulose e kenyelletsa mokhoa oa mahareng oa metsi, mokhoa o tlase oa solvent, mokhoa oa slurry (mokhoa o mongata oa solvent) joalo-joalo. Lintho tse ka sehloohong tse tala ke selulose e hloekisitsoeng, 'me phapang pakeng tsa mokhoa oa metsi le tse peli tse qetellang ke hore "ha ho na solvent ea tlhaho e kang joala e le mokhoa oa ho it?oara ka mokhoa oa alkalization le etherification". Tsela ea theknoloji ea mokhoa oa ho sebelisa metsi ha e phahame, empa ho hloeka le ho nkela sebaka sa lihlahisoa tse hlahisoang ha li phahame, 'me li ka sebelisoa feela t?imong ea tlhokahalo e tlaase. Lihlahisoa tse phahameng tsa bohloeki le tsona li hloka ho hloekisoa, CMC e hloekisitsoeng e na le mokoallo o phahameng - matsete a lisebelisoa tse tsoetseng pele le ts'ebetso e ntseng e eketseha e tla phahamisa lit?enyehelo haholo, mokhoa oa slurry ke ts'ebetso e tsoetseng pele haholoanyane.

Boemo ba indasteri

Khoebo ea CMC e se e le lilemo tse ka bang lekholo, theknoloji ea ts'ebetso e hōlile haholo 'me ha ho na katleho e kholo ka lilemo tse ngata, ke ea lihlahisoa tsa lik'hemik'hale tsa setso, eseng bakeng sa tlhokomelo ea lik'hamphani tse kholo tsa lik'hemik'hale, tlhahiso ea hona joale ea kantle ho naha ea likhoebo tsa CMC e na le Herklex (Ashland), tlhōlisano Lu, pampiri ea Japane joalo-joalo. Indasteri ea lehae ea CMC e kene tseleng e potlakileng ea nts'etsopele ka mor'a 1998. Haholo-holo, qalong ea lekholo la bo21 la lilemo, tlhokahalo ea selulose ea sodium carboxymethyl marakeng a malapeng le a machaba e ntse e atleha, 'me karolelano ea selemo le selemo ea khōlo ea CMC e sebelisoang malapeng pakeng tsa 2006 le 2010 e fihlile ho 17%, e hlahisitseng mekhoa e mengata e bonolo ea carboxymethylprise le lisebelisoa tse ngata tsa carboxymethylprise. tlhōrō, mekhoa ea bona e t?oana haholo. Phapang pakeng tsa lik'hamphani ke phepelo e tsitsitseng ea thepa e tala e theko e tlaase, lit?enyehelo tsa ts'ebetso tse se nang tikoloho le boleng ba sehlahisoa.

Ho tloha ponong ea nako ea ho kena ha indasteri, ho kena khoebong ho qalile ka 1998, ho tsoela pele ho fihlela 2016, 'me ho fihlile tlhōrōng ea 2014. Har'a bona, 2001-2009 ke nako ea khauta ea tsoelo-pele ea indasteri ea lehae ea CMC, likhoebo tse ncha li tsoela pele ho thehoa, likhoebo tsa linaheng tse ling li kene. Ho tloha 2010 ho ea ho 2016, lebelo le palo ea likhoebo li ntse li fetoha, ka bobeli nako e se nang letho ea lichelete le tlhōrō ea matsete a 2014. Ka 2016, le hoja palo ea thepa ea malapeng ea carboxymethyl cellulose le lihlahisoa tsa eona tsa letsoai e ile ea eketseha butle-butle, theko e tloaelehileng ea ho romela thepa e ile ea theohela tlaase historing. Kamora 2017, matsete indastering ea lehae ea CMC e theohile haholo, ka likhoebo tse ncha tse peli feela. Theknoloji ea bona le lihlahisoa tsa bona li hlōlisana haholoanyane. Mohlala, Hebi Fangrui Chemical e thehiloe ka ho monya thepa ea mantlha ea khamphani ea hydrophilic colloid ea DuPont Danisco (Zhangjiagang) le mahlale a amanang le basebetsi ba tlhahiso. Fujian Meiyarui New Materials Company ke feela tlhahiso ea lihlahisoa tsa betri tsa grade cellulose ether, bakeng sa linako tsa Ningde lithium libeteri ho etsa thepa e t?ehetsang.

sephetho

1, phokotso ea matla ea indasteri ea lapeng ea sodium carboxymethyl cellulose, ka sepheo ka lebaka la ho fokotseha ha kholo ea mmaraka ea tlhokeho e tlase, joalo ka tlhahiso ea indasteri ea lijo tsa lapeng kamora 2017 nakong ea kholo e tlase ka lebelo. Ho tlala ha tlhokahalo libakeng tsa ts'ebeliso ea setso ho tla lebisa tlholisanong ea litheko le ho felisa matla a tlhahiso. Ho hlaha ha tlhokahalo e ncha ho tla hlahisa likhoebo tse ncha le matla a macha a tlhahiso, joalo ka Fujian Meiyarui New Materials Company le Shandong Lihong Baoguan Cellulose Co., LTD., tse ntseng li atolosa mela ea tlhahiso ea lihlahisoa tsa boleng ba betri. 2, mohlala o nepahetseng oa nts'etsopele ea indasteri ke ts'ebetso ea theknoloji e tsoelang pele, e lula e theha litlhoko tse ncha, ho na le lekhalo la tekheniki lipakeng tsa bahlolisani. Leha ho le joalo, bothata ba nts'etsopele ea indasteri ea setso ke hore theknoloji ea ts'ebetso e emisitse, kholo ea tlhokahalo e tsitsitse, 'me ha bahlolisani ba bangata ba kopana ka tekanyo e t?oanang ea theknoloji, tlhōlisano ea homogenization e buloa. Ha ntlha ea thekenoloji e sa khone ho phetoa, lintlha tse ling tsa 'maraka li hloka ho etsoa. 3. Ho pheta-pheta lintlha tse ling tsa 'maraka, tse kang lintlha tsa lichelete, basebetsi, mobu le tikoloho ea tikoloho, ho it?etlehile ka letsoho le sa bonahaleng la' maraka nako e telele, 'me ho hlokahala hore ho it?etlehe ka letsoho le bonahalang la leano: taolo ea tikoloho; Litefiso tse tlase tsa phokotso ea lekhetho la kantle ho naha; Ntlafatsa maemo a boleng ba sehlahisoa; Phahamisa moeli oa ho kena bakeng sa bokhoni bo bocha ba tlhahiso.