Ka seretse se omeletseng, cellulose ether ke motsoako o ka sehloohong o ka ntlafatsang haholo ts'ebetso ea seretse se metsi le ho ama ts'ebetso ea kaho ea seretse.Methyl cellulose ether e bapala karolo ea ho boloka metsi, ho tiisa, le ho ntlafatsa ts'ebetso ea kaho.Ts'ebetso e ntle ea ho boloka metsi e tiisa hore seretse se ke ke sa baka lehlabathe, phofshoana le phokotso ea matla ka lebaka la khaello ea metsi le hydration e sa fellang ea samente;phello e teteaneng Matla a sebopeho sa seretse se metsi a eketseha haholo, 'me ho eketsoa ha methyl cellulose ether ho ka ntlafatsa haholo viscosity e metsi ea seretse se metsi,' me e na le ho khomarela hantle ho li-substrates tse fapa-fapaneng, kahoo ho ntlafatsa ts'ebetso ea seretse se metsi leboteng. le ho fokotsa litšila;ho phaella moo, e fapaneng Karolo ea selulose lihlahisoa e boetse e fapane, mohlala: selulose ka li-adhesives tsa tile e ka eketsa nako ea ho bula le ho fetola nako;cellulose ka mechine e fafatsa seretse se ka ntlafatsa matla a sebopeho sa seretse se metsi;ka ho ikemela, cellulose e phetha karolo ea ho thibela ho lula, ho arohana le stratification.
Tlhahiso ea cellulose ether e entsoe haholo-holo ka likhoele tsa tlhaho ka ho qhibiliha ha alkali, karabelo ea grafting (etherification), ho hlatsoa, ho omisa, ho sila le mekhoa e meng.Lisebelisoa tse ka sehloohong tsa lihlahisoa tsa tlhaho li ka aroloa ka: fiber ea k'hothone, fiber ea kedare, fiber ea beech, joalo-joalo tekanyo ea bona ea polymerization e fapane, e tla ama viscosity ea ho qetela ea lihlahisoa tsa bona.Hajoale, bahlahisi ba ka sehloohong ba selulose ba sebelisa fiber ea k'hothone (sehlahisoa sa nitrocellulose) e le eona ntho e ka sehloohong e tala.Li-cellulose ethers li ka aroloa ka ionic le non-ionic.Mofuta oa ionic haholo-holo o kenyelletsa letsoai la carboxymethyl cellulose, 'me mofuta oa non-ionic haholo-holo o kenyelletsa methyl cellulose, methyl hydroxyethyl (propyl) cellulose, le hydroxyethyl cellulose.Su joalo-joalo.Ka seretse se omeletseng sa phofo, hobane ionic cellulose (carboxymethyl cellulose salt) ha e tsitsa ka boteng ba li-ion tsa khalsiamo, ha e sebelisoe hangata lihlahisoa tsa phofo tse omeletseng tse kang samente e entsoeng kalaka e le lisebelisoa tsa cementitious.
Ho boloka metsi a cellulose ho boetse ho amana le mocheso o sebelisoang.Palo ea metsi ea methyl cellulose ether e fokotseha ka ho eketseha ha mocheso.Ka mohlala, lehlabuleng, ha ho e-na le khanya ea letsatsi, putty ea ka ntle ea lerako e pentiloe, e atisang ho potlakisa ho folisoa ha samente le seretse.Ho thatafala le ho fokotseha ha sekhahla sa ho boloka metsi ho lebisa maikutlong a totobetseng a hore ts'ebetso ea kaho le ts'ebetso e khahlanong le ho phunyeha lia ameha.Tabeng ena, ho bohlokoa haholo ho fokotsa tšusumetso ea maemo a mocheso.Ka linako tse ling ha e khone ho finyella litlhoko tsa tšebeliso.Liphekolo tse ling li etsoa ka selulose, joalo ka ho eketsa tekanyo ea etherification, joalo-joalo, e le hore phello ea ho boloka metsi e ntse e ka boloka phello e ntle ka mocheso o phahameng.
Ho boloka metsi a selulose: Lintlha tse ka sehloohong tse amang ho bolokoa ha metsi a seretse li kenyelletsa palo ea selulose e ekelitsoeng, viscosity ea cellulose, botle ba selulose, le mocheso oa tikoloho ea ts'ebetso.
Viscosity ea selulose: Ha re bua ka kakaretso, ha viscosity e phahame, phello ea ho boloka metsi e betere, empa ha ponahalo e phahame, boima ba molek'hule ea selulose e phahame, le phokotseho e tsamaisanang le ho qhibiliha ha eona, e nang le phello e mpe tšebetsong ea kaho. le matla a seretse .Ha li-viscosity li phahame, ho hlakile haholoanyane phello e teteaneng holim'a seretse, empa ha e lekane ka ho toba.Ha viscosity e phahame, seretse se metsi se tla ba le viscous haholoanyane.Nakong ea kaho, e tla khomarela scraper 'me e be le sekhomaretsi se phahameng ho substrate, empa e ke ke ea thusa haholo ho eketsa matla a sebopeho sa seretse se metsi ka boeona,' me ts'ebetso ea anti-sag e ke ke ea hlaka nakong ea kaho.
Bokhabane ba cellulose: Bokhabane bo ama ho qhibiliha ha cellulose ether.Selulose e mahoashe hangata e na le granular 'me e hasanngoa habonolo metsing ntle le ho kopana, empa sekhahla sa ho qhibiliha se tsamaea butle haholo.Ha e loketse ho sebelisoa ka seretse se omeletseng sa phofo.E hlahisoa ka malapeng Ba bang ba selulose ba flocculent, ha ho bonolo ho qhala le ho qhibiliha ka metsing, 'me ho bonolo ho kopanya.Ke phofshoana e ntle feela e lekaneng e ka qobang methyl cellulose ether agglomeration ha u eketsa metsi le ho sisinyeha.Empa ether e teteaneng ea cellulose ha e senye feela empa e boetse e fokotsa matla a sebaka sa seretse.Ha seretse se joalo sa phofo se ommeng se hahoa sebakeng se seholo, ho hlakile hore lebelo la ho folisa la seretse sa sebaka seo le fokotseha, 'me ho hlaha mapetsong ka lebaka la linako tse fapaneng tsa ho phekola.Ka lebaka la nako e khutšoanyane ea ho kopanya, seretse se nang le mohaho oa mechine se hloka botle bo phahameng.
Nako ea poso: Feb-13-2023