I-Sodium Carboxymethyl Cellulose (CMC) ingukutholwa kwe-carpuletysetyletated ye-cellulose, eyaziwa nangokuthi i-cellulose gum, futhi iyi-ionic cellulose gum ebaluleke kakhulu. I-CMC imvamisa i-anionic polymer compoun etholwe ukuphendula i-cellulose yemvelo nge-caustic alkali ne-momochlororometic acid. Isisindo samangqamuzana sombuso ohlanganisiwe kusuka kumashumi ezigidi ezigidini eziningana.
【Izici
【【【【
Ukulungiselela CMC
Ngokusho kwe-ethervication medium ehlukile, ukukhiqizwa kwezimboni kwe-CMC kungahlukaniswa ngezigaba ezimbili: indlela esekwe emanzini kanye nendlela esekwe e-solvent. Indlela yokusebenzisa amanzi njengoba i-reaction medium ibizwa ngendlela ethwalwa ngamanzi, esetshenziselwa ukukhiqiza i-ALkalaline Medium and Light-grade CMC; Indlela yokusebenzisa i-organic solvent njengoba i-Medial Medium ibizwa ngokuthi yi-solvent indlela, efanelekile ukukhiqizwa kwe-CMC ephakathi nendawo nebanga lebanga eliphakeme. Zombili lezi zinto zokusabela zenziwa ku-KINESTERS, okungokwenqubo yokuxova futhi kuyindlela esemqoka yokukhiqiza i-CMC njengamanje.
1
Indlela esekwe emanzini
Indlela ethwalwa ngamanzi iyinqubo yokuqala yokukhiqiza yezimboni, okuwukuphendula u-Alkali Cellulose nge-ejenti etherali ngesimo sama-alkali namanzi. Ngesikhathi senqubo ye-alkaliation kanye nenqubo yokungena, akukho medium organic ohlelweni. Izidingo zemishini yendlela ethwalwa ngamanzi zilula, ngokutshala imali okuncane nezindleko eziphansi. Okubi ukuthi kunokuntuleka kwenani elikhulu le-liquid medium, futhi ukushisa okukhiqizwe ukusabela kwandisa izinga lokushisa, elikusheshisa ijubane lokuphendula okuphansi, okuholela ekusebenzeni kahle komkhiqizo kanye nekhwalithi yomkhiqizo ongemuhle. Le ndlela isetshenziselwa ukulungiselela imikhiqizo ye-CMC ephakathi nendawo nephansi, njengezihlanzi, ama-Textile an Agents, njll.
2
Indlela ye-Solvent
Indlela ye-solvent yaziwa nangokuthi indlela ye-organic solvent indlela. Isici saso esikhulu ukuthi ukusabela kwe-alkalization kanye nokusabela kwe-etherital kwenziwa ngaphansi kwesimo sokuthi i-organic solvent isetshenziswa njengendlela yokusabela (i-diliunt). Ngokuya ngenani le-Discuent yokuphendula, ihlukaniswe ngendlela yokuxova kanye nendlela ebabazekayo. Indlela ye-solvent iyafana nenqubo yokusabela yendlela esekwe emanzini, futhi iqukethe izigaba ezimbili ze-alkalization kanye nokuthezeka, kepha okuphakathi kwalezi zigaba ezimbili kwehlukile. Indlela ye-solvent isusa izinqubo ezingokwemvelo ngendlela esekwe emanzini, njengokufaka, ukugaya, ukugaya, ukuguga, njll. Okubi ukuthi ukulawulwa kwezinga lokushisa kumpofu kakhulu, isidingo sesikhala kanye nezindleko ziphezulu. Vele, ukukhiqizwa kwezakhiwo ezahlukahlukene zemishini, kuyadingeka ukuthi ulawule ngokuqinile izinga lokushisa kohlelo, ukondla isikhathi, njll, ukuze imikhiqizo enezinga elihle kakhulu nokusebenza ingalungiswa. Ishadi lokugeleza kwenqubo yalo likhonjiswa kuMfanekiso 2.
3
Isimo sokulungiswa kwe-sodium carboxymethyl celtulose kusuka kwimikhiqizo yezolimo
Izitshalo ezenziwa yimikhiqizo yezitshalo zinezimpawu zokutholakala okuhlukahlukene nokutholakala kalula, futhi zingasetshenziswa kabanzi njengezinto ezingavuthiwe zokulungiselela i-CMC. Njengamanje, ukukhiqizwa kwe-CMC okukhiqizwayo kwe-COMPLES kucwengekile, kufaka phakathi ikotini fiber, i-bamboab fiber, i-bamboo fiber, njll. Kodwa-ke, i-bamboo fiber, njll. Kodwa-ke, i-bamboo fiber, njll. Kodwa-ke, i-bamboo fiber, njll.
Okuzayo
I-Sodium carboxyyl celtulese ingasetshenziswa njenge-emulsifier, i-flocculant, i-ejenti, i-ejenti, i-agent, isetshenziswa nsuku zonke, futhi ngenxa yokusebenza kwayo okuhle, kusalokhu kuhlakulela izinkundla ezintsha zohlelo lokusebenza. Kulezi zinsuku, ngaphansi kokusatshalaliswa okugcwele kakhulu komqondo wokukhiqizwa kwamakhemikhali okuluhlaza, ucwaningo lwangaphandle kubuchwepheshe bokulungiselela i-CMC lugxile ekufuneni izinto zokusetshenziswa okushibhile futhi okulula ukuthola izimpilo ze-CMC. Njengezwe elinezinsizakusebenza ezinkulu zezolimo, izwe lami likuguqulwa kwe-cellulose ngokwezobuchwepheshe, linezinzuzo zezinto zokwakha, kepha kunezinkinga ezifana nokungahambisani nenqubo ehlukahlukene ye-biomass celvulents kanye nokwehluka okukhulu ezingxenyeni ezinkulu. Kusekhona ukushiyeka ngokwanele kokusetshenziswa kwezinto zokwenziwa kwe-biomass, ngakho-ke izimpumelelo ezengeziwe kulezi zindawo zidinga ukwenziwa ucwaningo olunzulu
Isikhathi Sokuthumela: Nov-07-2022