Hydroxeeyl celluloseseke ntho ea bohlokoa ea cellulose. Ka lebaka la melemo ea lisebelisoa tse ngata tsa chelete, tse nchafatsoang, tse se nang chefo, biocompaterication, hantle, biocompaterication, hantle, biocomphaengtic hantle, lipatlisiso tsa teng le ts'ebeliso li hohetse tlhokomelo e ngata. . Boleng ba lifofallo ke index ea bohlokoa ea hydroxethyl Ha a le ka pampiring ena, hydroxethyl cellulosese boleng ba litšoantšo tse kaholimo ho 5 × 10_% e lokiselitsoeng ke alkalise le bophahamo ba mehato e 'meli.
Ts'ebetso ea ho ipolaea ke ts'ebetso ea ho hlophisoa ha alkali cellulose. Pampiring ena, mekhoa e 'meli ea makotso e sebelisoa. Mokhoa oa pele ke ho sebelisa acetone joaloka kokoana. Lintho tse entsoeng ka cllulose tse entsoeng ka kotloloho li na le bonnete ba ho tsepamisa mohopolo ka kotloloho ea tharollo ea amedium hydroxide. Kamora hore karabelo ea Baiti e etsoe e etsoa, moemeli ea tloaetseng o kenngoa ho etsa karabelo ea bothetion. Mokhoa oa bobeli ke hore litaba tsa komlulose li entsoe ka tharollo ea metsi le urea, le alkali cellulose tse lokiselitsoeng ka lebaka la karabelo ea menyetla. Noels ea alkali e lokiselitsoeng ke mekhoa e fapaneng e hlahlojoa ka mekhoa ea incracroscopy le X-ray difraction. Ho latela thepa ea lihlahisoa tse lokiselitsoeng ke karabelo ea chelete, mokhoa oa khetho o ikemiselitse.
Bakeng sa ho tseba hore na synthesis e ntle ka ho fetisisa, mochine o neng o arabela oa Antioxidant, Lye le asiti ea acetic accetic ho ea pele. Ebe u etsa lenaneo la liteko tsa hore na lintlha li ba joang, sheba lintlha tse nang le cellulouthbethyl tse lokiselitsoeng ka 2% e le index ea litšupiso. Litholoana tsa liteko li bontša hore lintlha tse kang chelete e khutsitseng e khethiloeng, mocheso le nako ea karabelo ea bobeli kaofela li na le tšusumetso e kholo ts'ebetsong ea sehlahisoa. Leshoka la Orthogonal le maemo a mararo ho ile ha huleloa litholoana tsa liteko tsa liteko le karolo e 'ngoe le e susumetsang. Bakeng sa ho lokisa lihlahisoa ka boleng bo phahameng ba pono, leqheka le nang le liteko le nepahetseng la ho hlophisa Hydroxethyl qetellong le hlahisitsoe ka litholoana tsa liteko.
Thepa ea libaka tse lokiselitsoeng tse ntlehydroxeeyl celluloseseli ne li sentsoe mme li hlahlojoa, ho kenyeletsoa boikemisetso ba liqhobosheane, lipakeng tsa litlolo tsa nyrmogram, li-armogramogramo tsa nyrmogram, Thermography Mekhoa ea Thermogravimeric Ho sekaseka le ho khetholla sebopeho sa sehlahisoa, se tšoanang se ts'oanang, Scublity, botsitso mekhoa ea futhumatsang, jj.
Hydroxethyl Cerilouse, e leng selefouno e matla ea selefouno, e nchafalitsoeng, se nang le sejo se setle le se nepahetseng, se sa sebetseng hantle. Kelello ea Hydroxethyl cemluulose ke sesupo sa bohlokoa haholo sa ts'ebetso ea sona. Kelello ea hydroker ea hydroyebethyl e kaholimo ho 5 × 102La e ka tlase ho 0,3%.
Tlalehong ena, hycosity hydroythyl cellulose ka mokhoa oa Synthelose ka alkalization ka alkalization le turtherization. Ts'ebetso ea ho fetolela ke ho hlophisoa ha alkali cellulose. Khetha mekhoa e 'meli ea ma-alkalization. E 'ngoe ke hore thepa ea cellulose e fokotsehile ka kotloloho le Acestone e ka thabiseng ea sodium ea sodium ea hydroxide e sebetsang le moemeli ea iphetetsang. E 'ngoe ke hore litaba tsa cellulosic li atametsoe tharollo ea sethala se chesang sa sodium sa hydroxide le urea. Alkali e feteletseng ea alkali ka alkali cellulose e tlameha ho tlosoa pele karabelo. Letlapa lena, li-alkali tse fapaneng tsa alkali tse tšoaroang ke litsietsi tsa infrared le X-ray difraction. Qetellong, mokhoa oa bobeli o amoheloa ho latela thepa ea lihlahisoa tsa menyetla.
Bakeng sa ho tseba mehato ea ho hlophisa ho hlophisoa, mokhoa oa ho etsa o arabela, almali le asiti ea acetic acid e kholo molemong oa ho ja o ithutoa. Lintho tse amang ho hlophisoa ha hydroxethyl li ne li tsejoa ke teko e le 'ngoe ea ho loka. E ipapisitse le boleng ba li-viscosion tsa sehlahisoa ho 2% e sa sebetseng. Liphetho tsa liteko li bontša hore bophahamo ba tlokotsi, boholo ba orglene oxide, nako le nako ea moputso oa pele le oa bobeli li na le tšusumetso e kholo ts'ebetsong ea sehlahisoa. Mokhoa oa lintlha tse supileng le meralo e meraro e ile ea amoheloa ho tseba mokhoa o motle ka ho fetisisa.
Re sekaseka thepa ea e lokiselitsoenghydroxeeyl cellulosese, ho kopanyelletsa le Viscosity, molora oa molora, mongobo oa sebopeho, ho tsitsipana ha litheko mekhoa ea liteko e ileng ea amohela litekanyetso tsa astm.
Nako ea ho romella: April 25-2024