Cellulose etherke lentsoe le kopanetsoeng bakeng sa mefuta e fapaneng ea lihlahisoa tse fumanoang ho tloha selulose ea tlhaho (k'hothone e hloekisitsoeng le makhasi a lehong, joalo-joalo) ka etherification. Ke sehlahisoa se entsoeng ka ho kenngoa ka mokhoa o sa fellang kapa o feletseng oa lihlopha tsa hydroxyl ka har'a cellulose macromolecules ka lihlopha tsa ether, 'me ke ntho e tsoang tlaase ho cellulose. Ka mor'a etherification, selulose e qhibiliha ka metsing, e hlapolla metsoako ea alkali, le metsoako ea tlhaho, 'me e na le thepa ea thermoplastic. Ho na le mefuta e mengata e fapaneng ea li-cellulose ethers, tse sebelisoang haholo liindastering tse kang kaho, samente, liaparo, meriana, lijo, peterole, lik'hemik'hale tsa letsatsi le letsatsi, masela, ho etsa pampiri le lisebelisoa tsa elektronike. Ho ea ka palo ea li-substituent, e ka aroloa ka li-ether tse le 'ngoe le li-ether tse tsoakiloeng,' me ho ea ka ionization, e ka aroloa ka ionic cellulose ethers le non ionic cellulose ethers. Hajoale, ts'ebetso ea tlhahiso ea lihlahisoa tsa ionic cellulose ether ionic e butsoitse, e hlahisoa habonolo, 'me litšenyehelo li batla li le tlase. Tšitiso ea indasteri e batla e le tlaase, 'me e sebelisoa haholo-holo masimong a li-additives tsa lijo, lisebelisoa tsa masela, indasteri ea letsatsi le letsatsi ea lik'hemik'hale, joalo-joalo Ke sehlahisoa se ka sehloohong se hlahisoang' marakeng.
Hajoale, tse tloaelehilengli-cellulose etherslefatšeng ho na le CMC, HPMC, MC, HEC, joalo-joalo. Har'a tsona, CMC e na le tlhahiso e kholo ka ho fetisisa, e ikarabellang hoo e ka bang halofo ea tlhahiso ea lefats'e, ha HPMC le MC li etsa karolo ea 33% ea tlhoko ea lefats'e, 'me HEC e ikarabella bakeng sa hoo e ka bang 13% ea 'maraka oa lefats'e. Tšebeliso ea bohlokoa ka ho fetesisa ea Carboxymethyl cellulose (CMC) ke sesepa, e ikarabellang bakeng sa 22% ea tlhoko ea mmaraka e tlase. Lihlahisoa tse ling li sebelisoa haholo-holo libakeng tsa ho haha, lijo le meriana.
Nako ea poso: Jul-13-2023