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Tšusumetso ea ho teteana ha ether ea cellulose e itšetlehile ka: tekanyo ea polymerization ea ether ea cellulose, mahloriso a tharollo, sekhahla sa ho beola, mocheso le maemo a mang. Thepa ea gelling ea tharollo e ikhetha ho alkyl cellulose le li-derivatives tsa eona tse fetotsoeng. Thepa ea gelation ke r...Bala haholoanyane»
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1. Mocheso oa metsi Ho ea ka mothapo oa ho lokolloa ha mocheso oa metsi ha nako e ntse e ea, ts'ebetso ea metsi a samente hangata e arotsoe ka mekhahlelo e mehlano, e leng, nako ea pele ea metsi (0~15min), nako ea ho kenya (15min~4h), nako ea ho potlakisa le ho beha (4h~8h), ho fokotsa lebelo ...Bala haholoanyane»
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Tšebelisong ea thepa ea kaho, hydroxypropyl methylcellulose ke sesebelisoa se sebelisoang haholo sa thepa ea kaho, 'me hydroxypropyl methylcellulose e sebelisoa haholo indastering' me e na le mefuta e fapaneng. Hydroxypropyl methylcellulose e ka aroloa ka mefuta ea hang-hang ea metsi a batang le mofuta oa ho qhibiliha ho chesang, hammoho le...Bala haholoanyane»
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Ho putty, seretse sa samente le slurry e thehiloeng ho gypsum, HPMC hydroxypropyl methylcellulose ether e bapala karolo ea ho boloka metsi le ho a tiisa, 'me e ka ntlafatsa ka katleho ho khomarela le ho hanyetsa ho sag ha slurry. Lintlha tse kang mocheso oa moea, mocheso le lebelo la khatello ea moea li tla...Bala haholoanyane»
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Hydroxypropyl methyl cellulose (HPMC) ke mofuta oa ether ea cellulose e seng ea ionic e entsoeng ka k'hothone ea polymer ea tlhaho ka letoto la mekhoa ea lik'hemik'hale. Indastering ea kaho, tšebeliso e kholo ea hydroxypropyl methylcellulose ke efe? 1, seretse sa samente: ho ntlafatsa tekanyo ea ho hasana ha lehlabathe la samente, g...Bala haholoanyane»
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Li arotsoe ho latela lintho tse nkeloang sebaka, li-ether tsa cellulose li ka aroloa ka li-ether tse le 'ngoe le li-ether tse tsoakiloeng; li arotsoe ho latela ho qhibiliha, li-ether tsa cellulose li ka aroloa ka tse qhibilihang metsing le tse sa qhibiliheng metsing. Mokhoa o ka sehloohong oa ho arola cellulose ether ke ho arola ho latela ioni...Bala haholoanyane»
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1. Molao-motheo oa sebopeho le tokisetso ea ether ea cellulose Setšoantšo sa 1 se bontša sebopeho se tloaelehileng sa ether ea cellulose. Yuniti e 'ngoe le e 'ngoe ea bD-anhydroglucose (yuniti e pheta-phetoang ea cellulose) e nkela sehlopha se le seng sebaka maemong a C (2), C (3) le C (6), ke hore, ho ka ba le lihlopha tse fihlang ho tse tharo tsa ether. Ka lebaka la ...Bala haholoanyane»
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Mabaka a mantlha a ho ba mosehla ha bokaholimo ba putty e sa keneleng metsi Kamora lipatlisiso tsa thepa, liteko tse ngata le mekhoa ea boenjiniere, mongoli o lumela hore mabaka a mantlha a ho ba mosehla ha bokaholimo ba putty e sa keneleng metsi ke a latelang: Lebaka la 1. Khalsiamo...Bala haholoanyane»
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1. Hydroxypropyl methyl cellulose Hydroxypropyl methylcellulose ke mofuta oa cellulose oo tlhahiso le tšebeliso ea oona li ntseng li eketseha ka potlako. Ke ether e tsoakiloeng ea cellulose e seng ea ionic e entsoeng ka k'hothone e hloekisitsoeng ka mor'a alkalization, e sebelisang propylene oxide le methyl chloride e le moemeli oa etherification, ka...Bala haholoanyane»
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Thepa ea bohlokoa ka ho fetisisa ea tharollo ea ether ea cellulose ke thepa ea eona ea rheological. Thepa e ikhethang ea rheological ea li-ether tse ngata tsa cellulose e etsa hore li sebelisoe haholo masimong a fapaneng, 'me thuto ea thepa ea rheological e molemo ho nts'etsopele ea masimo a macha a ts'ebeliso kapa lintho tse sa sebetseng hantle...Bala haholoanyane»
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Thepa ea carboxymethyl cellulose ke efe? Karabo: Carboxymethyl cellulose le eona e na le thepa e fapaneng ka lebaka la maemo a eona a fapaneng a ho nkeloa sebaka. Tekanyo ea ho nkeloa sebaka, e tsejoang hape e le tekanyo ea etherification, e bolela palo e tloaelehileng ea H lihlopheng tse tharo tsa OH hydroxyl rep...Bala haholoanyane»
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Carboxymethyl cellulose： Ionic cellulose ether e entsoe ka likhoele tsa tlhaho (k'hothone, jj.) kamora kalafo ea alkali, ho sebelisoa sodium monochloroacetate e le moemeli oa etherification, 'me e ntse e phekoloa ka makhetlo a mangata. Tekanyo ea ho nkeloa sebaka ka kakaretso ke 0.4 ~ 1.4, 'me ts'ebetso ea eona e kholo...Bala haholoanyane»