Cov kws hais txog cellulose yog chav kawm ntawm cov txheej txheem polymer derivatives dav siv hauv ntau thaj chaw muaj thiab muaj tshuaj lom neeg. Raws li cov tuab dua, cellulose ether muaj ntau yam zoo, tsuas yog xav hauv nws lub cev thiab tshuaj ruaj khov thiab kev nyab xeeb.
1. Cov nyhuv zoo heev thickening
Cellulose ether muaj kev muaj peev xwm zoo rau lub viscosity ntawm cov kua aqueous, thiab muaj zog muaj zog. Hauv thaj teb ntawm cov txheej txheem, cov khoom tsim tsev, cov khoom siv tshuaj lom txhua hnub, thiab lwm yam, lub zog tseem ceeb yog txhawm rau txhim kho cov khoom lag luam zoo nkauj thaum lub sijhawm thov. Cellulose ether molecules muaj peev xwm khi kom zoo rau cov roj av, cov kev daws teeb meem siab uas muaj cov teebmeem tuab tuab uas muaj cov kev sib txawv.
2. Zoo solubility thiab dispersion
Cellulose ether muaj solubility zoo heev thiab tuaj yeem yaj sai nyob rau hauv dej txias thiab dej kub. Qhov no ua rau nws yooj yim siv tau thiab yooj yim siv, muaj peev xwm sib xyaw sai nrog lwm cov khoom xyaw thiab cov kev daws teeb meem ruaj khov. Tsis tas li ntawd, nws muaj cov khoom zoo dispersion, tuaj yeem faib cov dej khov rau hauv dej lossis lwm yam kuab tshuaj, thiab tsis yooj yim rau agglomerate. Zoo solubility thiab dispersion ua cellulose ethot yooj yim los ua haujlwm thaum muaj ntau lawm thiab ua kom haum rau kev tsim khoom loj.
3. Cov ntawv thov ntau
Cov neeg hais txog kev ua haujlwm cellulose tuaj yeem siv tau rau ntau qhov kev lag luam, suav nrog cov khoom siv tsim tsev, tshuaj noj, tshuaj noj, tshuaj noj txhua hnub, thiab roj av. Hauv kev ua haujlwm cov ntaub ntawv hauv tsev, xws li gypsum, cug, cellulose muaj kev hais ua haujlwm thiab sag los tiv thaiv cov khoom, thiab txhim kho kev ua haujlwm thiab cov khoom siv ua haujlwm. Nyob rau hauv kev lag luam khoom noj khoom haus, cov neeg ua haujlwm hauv xov tooj tau siv raws li cov tuab hauv kua zaub, kua txiv, cov khoom noj siv mis thiab lwm yam khoom. Lawv tsis tsuas yog muab viscosity zoo tagnrho, tab sis kuj tseem ruaj khov thiab txhim kho saj. Hauv cov chaw muag tshuaj, cellulose muaj kev hais ua kom zoo li cov ntsiav tshuaj yeem, li lwm yam kom ntseeg tau cov tshuaj tso tawm hauv lub cev.
4. Qhov zoo tshaj plaws kub ruaj khov
Cellulose Cov neeg muaj kev pab cuam cellulose muaj cov zoo thermal ruaj khov thiab tuaj yeem tswj lawv cov kev ua haujlwm tuab tshaj qhov ntsuas kub ntau. Nyob rau hauv cov kev siv kub kub, cellulose muaj kev hais kom tiv thaiv kev daws teeb meem los ntawm kev poob siab tias cov khoom tuaj yeem ua kom zoo tshaj plaws ua tau zoo li qhov kub thiab txias. Cov xeeb ceem no ua rau nws ua tau zoo hauv kev lag luam uas yuav hloov kom kub thiab txias, xws li kev tsim kho, thiab tshuaj pleev zaub mov. Tsis tas li ntawd, cov cellulose muaj neeg hais tau ua kom khov-thaw mus ncig ua si thiab yuav tsis txwv lossis tsis muaj qhov kub tsawg.
5. Lub zog tshuaj ruaj khov
Cellulose Cov neeg muaj kev hais muaj kev ruaj khov nyob rau hauv ntau hom tsiaj thiab tuaj yeem tswj lawv cov nyhuv tuab nyob rau hauv acidic thiab alkaline tej yam kev mob. Cov yeeb yam no ua rau nws haum rau qee cov khoom lag luam lossis cov khoom siv tshuaj ntxuav tes loj, yog li ua kom lawv muaj kuab lom neeg, yog li ua kom lawv cov tshuaj sib txawv thiab ruaj khov nyob rau hauv cov qauv sib txawv.
6. Kev Nyab Xeeb Kev Nyab Xeeb thiab ib puag ncig
Cellulose ether yog lub ntuj polymer compound derivive muab los ntawm tsob nroj cellulose thiab tsim los ntawm kev hloov kho tshuaj lom neeg. Nws cov ntaub ntawv nyoos yog ntuj thiab muaj kev tsis muaj kev puas tsuaj, thiab kev npaj ua kom zoo ib puag ncig thiab tsis tsim kev phom sij. Yog li ntawd, cellulose cov neeg ua kom muaj siab biocompatibility thiab kev nyab xeeb li thickeners, tshuaj, tshuaj pleev ib ce thiab lwm liaj teb uas yuav tsum muaj kev nyab xeeb thiab muaj kev lom zem heev. Piv nrog qee cov tshuaj hluavtaws ua kom muaj kev cuam tshuam cellulose muaj tsawg dua rau tib neeg lub cev thiab ib puag ncig, thiab muaj kev txhim kho ntsuab tshiab thiab muaj kev ruaj khov.
7. Cov dej zoo khaws cia
Cov neeg hais txog cellulose muaj cov khoom siv dej tseem ceeb, uas ua rau lawv nrov heev hauv ntau daim ntawv thov, tshwj xeeb hauv cov ntaub ntawv hauv tsev thiab cov tsho tshaj lij. Hauv cov ntaub ntawv hauv tsev xws li gypsum thiab tshuaj khib, dej ua kom tau txais lub sijhawm ua haujlwm thiab pom tau ntau dhau, yog li kev txhim kho lub zog thiab nto smoopness ntawm cov khoom. Nyob rau hauv cov txheej xim thiab cov xim tha xim, cellulose cov neeg hais ua kom qhuav acatement qhuav, zam kev tawg thiab tev, thiab txhim kho qhov zoo ntawm cov khoom tiav.
8. Txhim kho cov khoom sib dhos
Cellulose muaj kev hais txog tsis tuaj yeem tsuas yog nce lub viscosity ntawm cov kev daws teeb meem, tab sis kuj ua kom nws muaj qhov ua haujlwm zoo thiab thixotrotropy. Hauv cov txheej txheem thiab cov khoom siv hauv tsev, piv txwv, Cellulose cov lus siv kom tau cov khoom tau yooj yim thaum siv thiab ruaj ntseg thaum so. Qhov no thixotropy yuav pab txhim kho kev ua haujlwm zoo thiab qhov chaw zoo ntawm cov khoom.
9. Hloov cov tshuaj tso tawm tshuaj
Nyob rau hauv kev lag luam kws tshuaj, cellulose cov neeg muaj kev hais ua ke tau siv dav ua cov neeg sawv cev hauv chaw ua yeeb yam hauv cov tshuaj. Los ntawm kev hloov kho cov tshuaj sib txawv ntawm cov tshuaj kho mob, cov kws kho mob cellulose tuaj yeem kho cov tshuaj tso tawm kom ntseeg tau tias kev tso tshuaj yeeb tshuaj thiab hnav ris tsho hauv lub cev. Qhov no muaj qhov cuam tshuam tseem ceeb rau kev tswj tshuaj thiab txuas ntxiv-tso cov ntsiav tshuaj.
10. Kev Lag Luam
Tus nqi ntawm cellulose ether yog qhov sib xws, thiab tus nqi siv me me. Feem ntau tsuas yog ib qho nyiaj me me yog xav tau kom ua tiav cov nyhuv tuab tuab. Qhov no ua rau cov neeg tswj hwm cellulose tau raug nqi ntau rau kev siv cov ntawv thov kev lag luam. Nyob rau tib lub sijhawm, nws qhov kev ua tau zoo kuj txhais tau hais tias tus nqi ntawm lwm cov khoom xyaw tuaj yeem txo qis thaum lub sijhawm tsim khoom ntau heev.
Cellulose ether muaj ntau yam zoo ua kom muaj kev cuam tshuam ntawm cellulose, xws li cov kev tiv thaiv cellulas, thiab cov khoom siv hluav taws xob ua kom muaj kev nyab xeeb hauv ntau qhov kev lag luam thiab cov khoom siv zoo nkauj polymer.
Lub Sijhawm Post: Feb-17-2025