Ether ea selulose

Ether ea selulosee entsoe ka cellulose ka karabelo ea etherification ea moemeli a le mong kapa a 'maloa oa etherification le ho sila ka omileng. Ho ea ka meaho e fapaneng ea lik'hemik'hale ea lintho tse nkeloang sebaka ke ether, li-ether tsa cellulose li ka aroloa ka li-ether tsa anionic, cationic le nonionic. Li-ether tsa cellulose tsa ionic li kenyelletsa haholo-holocarboxymethyl cellulose ether (CMC); li-ether tsa cellulose tse seng tsa ionic li kenyelletsa haholo-holoether ea methyl cellulose (MC),hydroxypropyl methyl cellulose ether (HPMC)le ether ea hydroxyethyl cellulose.Ether ea chlorine (HC)le tse ding. Di-ether tse seng tsa ionic di arotswe ka di-ether tse qhibilihang ka metsing le di-ether tse qhibilihang ka oli, mme di-ether tse qhibilihang ka metsi tse seng tsa ionic di sebediswa haholo-holo dihlahisweng tsa seretse. Ha ho na le di-ion tsa calcium, ionic cellulose ether ha e tsitsa, kahoo ha e sebediswe hangata dihlahisweng tsa seretse se ommeng se sebedisang samente, lime e slaked, jj. e le thepa ya samente. Di-ether tsa cellulose tse qhibilihang ka metsing tse seng tsa ionic di sebediswa haholo indastering ya thepa ya kaho ka lebaka la botsitso ba tsona ba ho emisoa le ho boloka metsi.

Thepa ea Lik'hemik'hale ea Cellulose Ether

Ether e 'ngoe le e 'ngoe ea cellulose e na le sebopeho sa motheo sa cellulose - sebopeho sa Anhydroglucose. Nakong ea ho hlahisa ether ea cellulose, fiber ea cellulose e futhumatsoa pele ka tharollo ea alkaline, ebe e phekoloa ka moemeli oa etherifying. Sehlahisoa sa karabelo ea fibrous se hloekisoa le ho siloa ho etsa phofo e ts'oanang e nang le botenya bo itseng.

Mokgweng wa tlhahiso ya MC, ke methyl chloride feela e sebediswang e le moemedi wa etherification; ntle le methyl chloride, propylene oxide e boetse e sebediswa ho fumana dihlopha tse nkang sebaka sa hydroxypropyl tlhahisong ya HPMC. Di-ether tse fapaneng tsa cellulose di na le dikarolelano tse fapaneng tsa methyl le hydroxypropyl substitution, tse amang ho tsamaellana ha organic le mocheso wa gelation wa ditharollo tsa cellulose ether.