Focus on Cellulose ethers

Tlhahlobo ea Mefuta ea Cellulose Ethers e Sebelisitsoeng ka Latex Paints

Tlhahlobo ea Mefuta ea Cellulose Ethers e Sebelisitsoeng ka Latex Paints

Cellulose ethers ke e 'ngoe ea likarolo tsa bohlokoa lipenteng tsa latex. Metsoako ena e fana ka melemo e fapaneng ho kenyelletsa taolo ea viscosity, thickening le ho boloka metsi. Li tsoa ho cellulose, e leng polima ea tlhaho e fumanoang limela. Tlhahlobisong ena, re tla tšohla mefuta e fapaneng ea li-cellulose ethers tse sebelisoang lipenteng tsa latex le thepa ea tsona.

Lipente tsa latex ke lipente tse entsoeng ka metsi tse fetohileng mofuta o tummeng ka ho fetisisa oa pente lilemong tsa morao tjena ka lebaka la boiketlo ba tsona, monko o fokolang le botsoalle ba tikoloho. Karolo ea bohlokoa ea lipente tsa latex ke polymer binder, eo hangata e leng motsoako oa mefuta e fapaneng ea li-cellulose ethers. Li-cellulose ethers tsena li sebetsa e le li-thickeners, rheology modifiers, le stabilizers ho matlafatsa ts'ebetso ea pente. Tlhahlobong ena, re tla hlahloba mefuta e fapaneng ea li-cellulose ethers tse sebelisoang lipenteng tsa latex le thepa ea tsona.

Methyl Cellulose (MC) Methyl cellulose ke e 'ngoe ea li-cellulose ether tse sebelisoang hangata lipenteng tsa latex. Ke phofo e qhibilihang ka metsing, e tšoeu e nkiloeng ho selulose ka lik'hemik'hale tse nang le methanol. MC e tsebahala ka thepa ea eona e ntle ea ho boloka metsi, e e etsa khetho e tsebahalang mekhoeng e hlokang nako e telele ea ho omisa. E boetse e sebelisoa e le sesebelisoa se teteaneng ka lebaka la bokhoni ba eona ba ho eketsa viscosity le ho ntlafatsa thepa ea phallo. Ho feta moo, MC e ka ntlafatsa ho khomarela pente holim'a bokaholimo, ea e etsa motsoako o feto-fetohang oa lipente tsa latex.

Hydroxyethyl Cellulose (HEC) Hydroxyethyl cellulose ke e 'ngoe e sebelisoang hangata ea cellulose ether lipenteng tsa latex. Ke phofo e qhibilihang ka metsing, e tšoeu e tsoang ho selulose ka lik'hemik'hale tse nang le ethylene oxide. HEC e tsejoa ka thepa ea eona e babatsehang ea ho teteaneng, e leng se etsang hore e be khetho e ratoang ka ho etsa lintho tse hlokang viscosity e phahameng. E boetse e sebelisoa e le binder, e thusang ho ntlafatsa ho khomarela ha pente ho ea holimo. Ho feta moo, HEC e ka ntlafatsa ho hanyetsa metsi ha pente, ea e etsa motsoako oa bohlokoa mekhoeng ea pente ea ka ntle ea latex.


Nako ea poso: Mar-21-2023
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