Cov kws qhia txog cellulose yog chav kawm ntawm cov organic polymer teb cov khoom siv hauv tsev, tshwj xeeb yog cov pob zeb thiab cug. Raws li kev ntxiv, cellulose ether muaj qhov cuam tshuam tseem ceeb ntawm ntau yam khoom ntawm cov pob zeb ua, nrog rau cov khoom ua haujlwm, lub zog, thiab lwm yam.
1. Kev cuam tshuam rau kev ua haujlwm
Cov neeg hais ua haujlwm cellulose tuaj yeem txhim kho qhov ua haujlwm ntawm cov pob zeb ua kom sib xyaw, tshwj xeeb tshaj yog thaum kev tsim kho. Cellulose ether muaj cov nyhuv zoo tuab thiab tuaj yeem ua rau viscosity thiab rheology ntawm pob zeb ua si, ua rau nws ua haujlwm yooj yim thiab cov duab. Qhov kev ua tau zoo no tshwj xeeb yog qhov tseem ceeb rau txoj kev tsim kev tsim qauv uas yuav tsum muaj fluhetic siab, xws li nqus pob zeb ua thiab npuaj teg.
Cellulose ether tuaj yeem txhim kho lubricity ntawm pob zeb ua thiab txo cov kev sib txhuam thaum lub sij hawm sib xyaw, yog li kev txhim kho cov kev sib xyaw thiab cov kev ua haujlwm ntawm cov pob zeb sib txawv. Qhov no pab cov khoom ua kom tiav zoo dua li cov duab thiab nto li tiav thaum kev tsim kho.
2. Cov nyhuv rau dej tuav tseg
Cellulose ether muaj muaj peev xwm ua kom muaj zog thiab nws cov qauv molecular muaj ntau pab pawg hydrophilic, uas tuaj yeem nqus tau thiab khaws cov dej noo. Cov xeeb ceem no tso cai rau cov neeg muaj kev cuam tshuam cellulose kom txhim kho cov dej khaws cia hauv cov pob zeb ua, tshwj xeeb yog cov txheej txheem qhuav lossis txheej nyias. Cellulose Cov neeg muaj cai tuaj yeem txo cov dej evaporational ceev thiab tsis txhob tawg thiab lub zog txo los ntawm kev ua haujlwm thaum ntxov ua pob zeb ua hauv pob zeb. Cov.
Los ntawm kev nce dej khaws cia, cellulose ether tuaj yeem ua kom lub Maas hais cov tshuaj tiv thaiv, yog li txhim kho lub zog thiab kav ruaj khov. Tshwj xeeb tshaj plaws nyob rau cov kev tsim kho kom qhuav, xws li kev tsim kho lub caij ntuj sov lossis dej kom sov ntawm cellulose ua lub luag haujlwm tseem ceeb hauv kev ua tau zoo kawg nkaus.
3. Cov nyhuv rau lub zog
Cellulose ether muaj qee yam cuam tshuam rau lub zog kev txhim kho ntawm kev ua vaj tse, tshwj xeeb yog lub zog thaum ntxov. Vim tias cellulose ether txhim kho cov dej ua kom tiav, cov tshuaj choas ua tiav, yog li kev txhim kho cov khoom siv coasing ntau dua, yog li kev txhim kho cov khoom siv thaum ntxov ntawm cov qhob. Nyob rau tib lub sijhawm, cellulose ether tuaj yeem txhim kho lub zog tom qab ntawm cov pob zeb ua los ntawm kev txhim kho cov kev sib txawv ntawm nws cov qauv sab hauv.
Nws yuav tsum raug sau tseg tias cov tshuaj ntawm cellulose yuav tsum tsim nyog. Yog tias cov tshuaj ntau heev, txawm hais tias cov dej khaws cia thiab rhuaology tau txhim kho, nws yuav cuam tshuam lub zog kawg ntawm cov pob zeb ua kom muaj zog, tshwj xeeb yog cov muaj zog tom qab. Qhov no yog vim hais tias cellulose ntau dhau ether yuav tabkaum hlav ntxiv cov CEMAS nkaus thiab txo lawv cov kev txhim kho tom qab.
4. Cov nyhuv ntawm shrinkage thiab tawg ntawm pob zeb
Cellulose ether tuaj yeem txo cov shrinkage qhuav deformation thiab shrinkage tawg los ntawm kev txhim kho cov dej khaws cia. Shrinkage cracks yog feem ntau tshwm sim los ntawm kev ntxhov siab rau hauv pob zeb ua los ntawm ntau dhau ntawm evaporation dej. Cov dej ua kom cov cellule ether tuaj yeem qeeb cov txheej txheem no, ua kom lub sijhawm ntub dej kom muaj qhov tshwm sim ntawm cov kab nrib pleb.
Cov nyhuv tuab ntawm cellulose ntawm cellulose cov cellulose ntawm cov pob zeb ua tau zoo dua qub ntawm cov pob zeb ua kom zoo nkauj, thiab txuas ntxiv txo cov kev pheej hmoo ntawm cov kab nrib pleb. Cov cuab yeej no muaj cov ntawv thov tseem ceeb hauv huab hwm coj qhob, cov txheej txheem rho tawm lossis cov khoom siv xas ib ce.
5. Cov nyhuv rau pob zeb ruaj khov
Cellulose muaj cov neeg muaj kev hais qhia txhawb lub siab ntawm cov pob zeb ua ntau txoj hauv kev. Ua ntej, cellulose muaj cov neeg muaj cai tuaj yeem txhim kho lub zog ua kom tsis kam thiab ntsev kev tawm tsam ntawm cov pob zeb. Vim tias Cellulose ether tuaj yeem txo cov hws hauv av, qhob ntau dua yog cov chaw nres tsheb loj hauv thaj chaw txias lossis dej hiav txwv.
Cellulose Cov neeg muaj kev hais daws teeb meem txhim kho cov ceev thiab tawg ntawm cov pob zeb ua los ntawm kev txhim kho nws cov dej txuag thiab lub zog kev txhim kho. Cov khoom no muaj txiaj ntsig zoo rau lub neej ntev ntawm kev ua vaj tse, tshwj xeeb tshaj yog nyob rau hauv cov choj, tunnels thiab lwm yam kev cuam tshuam loj los ntawm ib puag ncig yaig. Qhov kev sib ntxiv ntawm cellulose ether tuaj yeem txhim kho lub durability ntawm pob zeb.
6. Cov nyhuv ntawm cov khoom sib txuas lus
Cov cellulose muaj kev cuam tshuam rau txoj kev sib raug zoo ntawm cov pob zeb ua ke, tshwj xeeb tshaj yog nyob ntawm kev sib xyaw ntawm lub cug cug thiab txheej txheej txheej. Vim tias cellulose ether tuaj yeem ua rau viscosity ntawm kev ua vaj tse, nws yooj yim dua tuaj nrog kev sib cuag, yog li txhim kho txoj kev ua tau zoo ntawm ob. Cov yeeb yaj kiab no yog qhov tseem ceeb hauv cov ntawv thov xws li cov txheej ntsa plastering thiab kho cov phiaj xwm uas yuav tsum muaj adhesion.
Raws li ib tug admixture nrog kev ua tau zoo, cellulose ether muaj qhov muaj txiaj ntsig zoo rau kev ua haujlwm, lub zog, shrinkage cracking thiab ruaj khov ntawm qhob. Los ntawm kev ntxiv tus nqi tsim nyog ether, tag nrho cov kev ua tau zoo tshaj plaws ntawm cov pob zeb ua tau zoo tau ua kom tau zoo ntawm ntau yam kev tsim kho. Txawm li cas los xij, cov nqi ntawm cellulose xav tau kom tsim nyog tswj tau raws li kev siv ntau dhau uas yuav ua rau muaj kev txo qis lossis lwm yam kev tsis zoo.
Lub Sijhawm Post: Sep-19-2024