Raws li cov khoom siv ntau ntau ntau thiab cov khoom siv ib puag ncig, ether ether tau siv ntau yam kev tsim kho, kev lag luam khoom noj khoom haus, thiab kev lag luam textile. Ntawm lawv, cellulose ether tau nyiam dua thiab ntau dua rau nws cov khoom siv dej tshwj xeeb xws li dej solubility, tsis muaj txiaj ntsig, thiab biodegradability.
Cov yam ntxwv ntawm cellulose muaj neeg
Cellulose muaj cov neeg hais tau muab los ntawm cellulose, ntau tshaj plaws muaj qoob loo thiab txuas ntxiv ntuj tshiab dua hauv ntiaj teb. Lawv yog cov dej-soluble, tsis-ionic, tsis muaj tshuaj lom thiab biodegradable, ua rau lawv xaiv zoo rau ntau cov ntawv thov.
Feem ntau hom cellulose muaj cov neeg muaj kev siv hauv dej-hauv-dej xim txheej txheem muaj xws li hydroxyethyl cellulose (MC), thiab corboxymethyl cellulose (cmc). Cov khoom siv cellulose muaj cov khoom siv sib txawv, tab sis lawv txhua tus muaj cov khoom siv dej, ua kom zoo rau kev siv hauv dej xim txheej.
Qhov zoo ntawm kev siv cellulose muaj kev hais ua kom muaj kev pab nyob hauv-dej xim txheej txheej
- Txhim kho qhov ruaj khov: ib qho ntawm qhov tseem ceeb ntawm kev siv cellulose muaj cov neeg muaj kev nyab xeeb hauv-dej xim txheej ci yog qhov muaj kev ruaj ntseg nce ntxiv ntawm cov txheej txheej. Cellulose Cov neeg hais pab tiv thaiv kom txhob muaj cov xim xim los ntawm kev daws mus rau hauv qab ntawm lub tank los ntawm kev ncua lawv hauv dej.
- High viscosity: cov neeg muaj neeg hais txog cellulose tuaj yeem nce viscosity ntawm cov xim pleev xim, ua rau nws tuab thiab nyiam thov. Lawv kuj pab cov xim tsim kom du, txawm tias txheej ntawm qhov chaw, txhim kho qhov xim zoo.
- Kev ua kom muaj kev ua kom muaj cov dej uas muaj neeg ua haujlwm pab cov xim khaws cov dej noo, tiv thaiv nws kom qhuav sai sai. Qhov no tso cai rau cov xim kom tau siv nyob ntev, muab cov neeg siv lub sijhawm txaus los siv cov xim rau saum npoo.
- Sib xyaw: cellulose muaj kev hais ua tau sib xyaw nrog ntau lwm cov khoom xyaw, xws li cov yeeb yaj kiab dej, xws li cov yeeb yaj kiab cov xim, tshuaj tiv thaiv thiab cov tshuaj tiv thaiv.
- Ib puag ncig tus phooj ywg: Cov ntaub ntawv hais txog cellulose yog cov khoom siv tau thiab biodegradable muab tau los thiab cov kev xaiv ib puag ncig rau cov dej-hauv-dej xim txheej.
Muaj peev xwm siv ntawm cellulose muaj kev hais ua kom muaj kev cuam tshuam hauv dej-dej xim txheej txheej
- Sab hauv phab ntsa thiab Ceilings: Dej-dej-dej yog tias muaj cov neeg muaj kev hais txog cellulose tuaj yeem siv rau cov tsev sab hauv thiab qab nyob hauv tsev, chaw haujlwm sab hauv. Nws txhim kho ruaj khov thiab dej khaws cov khoom siv ua rau nws zoo tagnrho rau kev siv nyob rau ib puag ncig huab cua zoo li chav ua noj thiab chav dej.
- Sab nrauv phab ntsa: Cov cellulose hais kom lwm tus kuj tseem tuaj yeem siv rau hauv cov dej ntim dej rau sab nrauv phab ntsa. Lawv pab tau pleev xim rau saum npoo zoo dua thiab muab cov ntau ruaj khov thiab ntev ntev.
- Kev ua yeeb yam zoo: Cov kws kho mob cellulose tuaj yeem siv hauv kev ua yeeb yam zoo los siv cov dej xim pigments, xws li cov dej xim. Lawv lub siab viscosity thiab cov dej-khaws cov khoom tso cai pub pleev xim rau kis thiab sib tov yooj yim rau daim ntawv, tsim cov xim zoo nkauj thiab tiag tiag.
Hauv kev xaus
Cellulose muaj kev hais ua tau zoo heev cov ntaub ntawv rau cov dej-hauv-dej xim txheej txheem vim lawv cov khoom ntawm cov dej solubility, tsis-toxicity thiab biodegradability. Lawv txhim kho qhov ruaj khov, viscosity, dej ceev thiab ua kom muaj xim, ua rau lawv siv tau yooj yim thiab muab cov xim zoo dua.
Yog li ntawd, cellulose muaj cov neeg muaj peev xwm zoo nyob rau hauv ntau yam kev siv xws li phab ntsa sab hauv, phab ntsa sab nrauv thiab daim duab sab nrauv. Kev siv cov tshuaj cellulose hauv-dej xim txheej txheem muab cov khoom siv ua kom zoo nkauj thiab cov kev xaiv zoo uas paub meej tias xa cov txiaj ntsig zoo.
Lub Sijhawm Post: Oct-11-2023