Methylhydrescellulose (MHEC) yog lub cellulectes tseem ceeb etle dav siv hauv cov ntaub ntawv hauv tsev, tshwj xeeb tshaj yog nyob hauv cov zaub mov.
1. Thickening nyhuv
Methyl Hydulose yog siv los ua cov tuab tuab hauv putty, uas tuaj yeem nce cov viscosity thiab sib xws ntawm lub putty. Qhov no yuav pab txhim kho kev ua haujlwm ntawm lub putty, ua rau nws yooj yim rau kev thov thiab kis thaum ntawv thov. Los kho tus nqi ntawm MHEC, lub viscosity ntawm cov zaub mov tuaj yeem tswj tau kom tau raws kev tsim kho kev tsim kho.
2. Dej khaws cia
MHEC muaj cov dej ua kom zoo, uas tseem ceeb heev hauv kev ua tiav. Putty xav tau sijhawm txaus kom qhuav thiab ua kom tawv tom qab kev tsim kho. MHEC tuaj yeem ncua cov evaporation ntawm dej los ntawm kev ua kom dej los ntawm kev siv lub sijhawm qhib thiab tsis txhob ziab thiab ua kom qhuav sai heev. Qhov no tsis yog txhim kho kev tsim kho zoo tab sis kuj tseem txo qhov tau ua tiav ntawm kev ua haujlwm.
3. Los ntawm kev ua yeeb yam
Thaum tsim ntawm ib ntsug sab ntsug, putty yog nquag mus sagging, uas yuav cuam tshuam rau cov nyhom kev tsim kho. MHEC tuaj yeem txhim kho lub thixotrotropy ntawm putty thiab txhim kho nws cov kev ua tau zoo, kom muaj nyob rau hauv kev tsim kho ntawm qhov chaw ntsug thiab yuav tsis swb vim lub ntiajteb txawj nqus. Qhov no yog tshwj xeeb yog ib qho tseem ceeb rau kev tsim kho zoo.
4. Txhim kho kev tsim muaj
Qhov sib ntxiv ntawm MHEC tuaj yeem txhim kho kev ua haujlwm ntawm kev ua haujlwm ntawm putty, ua rau nws smoother thaum cov txheej txheem kev tsim kho thiab tsis tshua muaj riam rau cov riam thiab npuas. Kev ua haujlwm zoo tsis tsuas yog txhim kho kev ua haujlwm zoo, tab sis kuj tseem ua rau lub pumty saum npoo smoother thiab zoo nkauj dua, muab lub hauv paus zoo rau kev kho kom zoo nkauj rau cov txheej txheem kev kho kom zoo nkauj.
5. Txhim kho lub zog bonding
Cov zaub mov xav tau zoo adhesion kom ntseeg tau tias nws yuav tsis tev tawm yooj yim tom qab tau thov rau substrate. MHEC tuaj yeem txhim kho lub zog uas muaj zog ntawm lub zog, tso cai rau nws kom zoo dua rau ntawm phab ntsa lossis lwm yam kev pab, yog li nce cov kev pabcuam lub neej thiab lub sijhawm ntev ntawm lub putty.
6. Txhim Kho Kev Tiv Thaiv
Cov txheej tso tawm putty tom qab kev tsim kho kom zoo kom tsis txhob tawg kom tawg los ntawm qhov kub thiab txias hloov los yog shrinkage ntawm substrate. Los ntawm kev txhim kho qhov yooj thiab elasticity ntawm putty, MHEC tuaj yeem txhim kho nws cov kev tawm tsam ntev thiab ua kom lub sijhawm ntev ntawm cov txheej putty.
7. Txhim kho khov-thaw tsis kam
Hauv thaj chaw txias, Putty yuav yauv mus ntau dua cov chaw mus los, qhov chaw uas siab dua qhov yuav tsum tau ntawm nws qhov ruaj khov. MHEC tuaj yeem txhim kho lub khov-thaw kev tawm tsam ntawm putty, yog li nws tseem tuaj yeem tswj kev ua tau zoo tom qab kev paub ntau ntxiv rau tev thiab hmoov.
8. Kho lub sijhawm kom qhuav
Los ntawm nws cov dej khaws cia thiab ua kom zoo dua, MHEC tuaj yeem kho lub sijhawm kom qhuav ntawm lub sijhawm ua kom qhuav thiab ua tiav tom qab daim ntawv thov. Qhov no yog qhov tshwj xeeb tshaj yog rau kev tsim kho loj-thaj chaw kom ntseeg tau tias kev ua twj txuas ntxiv thiab kev sib txuam ntawm cov txheej txheem kev tsim kho.
Daim ntawv thov ntawm cov methylhydrexyethyl cellulose hauv putty tsis tuaj yeem txhim kho kev tsim kho thiab lub cev ntawm lub putty, tab sis kuj txhim kho nws cov nyhuv kawg thiab kav ntev. Qhov no ua rau MHEC ib qho tsis tau muaj nyob hauv cov qauv siv putty, uas yog qhov tseem ceeb tshaj plaws rau kev txhim kho cov khoom kho kom zoo nkauj. Los ntawm kev xaiv tsim nyog thiab ntxiv ntawm MHEC, muaj ntau yam teeb meem hauv kev tsim kho tau zoo, thiab cov kev tsim kho kom zoo thiab cov khoom siv zoo nkauj hauv cov vaj tse niaj hnub tuaj yeem ntsib.
Lub Sijhawm Post: Feb-17-2025