Methylhydroxyrcelleculose (MHEC) yog lub cellulose etle dav siv nyob rau hauv ntau yam kev lag luam, suav nrog lub tsev thiab kev ua haujlwm. Hauv cov cuab yeej kos duab kos duab, MHEC yog cov tuab tuab uas imparts cov khoom tshwj xeeb rau txheej, yog li txhim kho nws txoj kev ua tau zoo.
Taw qhia rau methyl hydrotyl cellulose (MHEC)
MHEC yog cov tsis-ionic cellulose ether tau los ntawm cov polymer cellulose los ntawm cov tshuaj lom neeg cov tshuaj lom neeg. Nws yog tus cwj pwm los ntawm kev sib txawv ntawm methyl thiab hydroxyethyl pawg txuas rau nws lub cellulose caj qaum. Cov qauv molecular muab MHEC zoo heev dej cia, thickening thiab ruaj khov zog, ua kom zoo tshaj rau ntau yam kev siv hauv kev tsim kho.
Nta ntawm MHEC
1. Rheological cov yam ntxwv
MHEC paub txog nws cov khoom zoo heev, muab viscosity zoo tshaj plaws thiab cov yam ntxwv rau txheej. Cov nyhuv tuab yog qhov tseem ceeb kom tiv thaiv sagging thiab dripping thaum lub ntawv thov thiab xyuas kom meej.
2. Dej ceev ceev
Ib qho tseem ceeb ntawm MHEC yog lub peev xwm kav dej. Qhov no yog qhov tseem ceeb tshaj plaws rau lub sij hawm qhib kev ua kom zoo dua li ntawm cov xim pleev xim, tso cai rau kev ziab zoo dua thiab txo cov peev xwm kom qhuav ntxov.
3. Txhim Kho Adhesion
MHEC Muab cov khoom nplaum los ntawm kev txhim kho cov ntub dej ntub, ua kom pom kev zoo tshaj ntawm cov txheej thiab substrate. Qhov no txhim kho adhesion, durability thiab tag nrho txheej txheej ua haujlwm.
4. Kev ruaj khov
MHEC COGARED STABLE Rau cov txheej txheej, tiv thaiv cov teeb meem xws li kev sib cais thiab theem sib cais. Qhov no kom ntseeg tau tias cov coating tswj nws cov ris tsho hnav thoob plaws hauv lub txee lub neej thiab thaum siv.
Daim ntawv thov ntawm MHEC hauv cov cuab yeej archings
1. Xim thiab Primer
MHEC tau dav siv nyob rau hauv kev tsim cov xim sab hauv thiab sab nraud thiab cov ntawv tso cai sab nraud thiab cov primers. Nws cov khoom siv thickening pab kom cov viscosity ntawm txheej, ua rau muaj kev pab them zoo dua thiab txhim kho cov ntawv thov kev ua tau zoo. Cov dej-tuav lub peev xwm ua kom ntseeg tau tias cov xim tha xim yuav nyob twj ywm siv tau ntev.
2. Cov ntaub ntawv txheej txheem
Hauv kev ua yeeb nkas, mHEC ua lub luag haujlwm tseem ceeb hauv kev ua tiav cov kev xav tau. Nws cov khoom muaj rheological pab kom cov finments thiab fillers, uas ua rau muaj kev sib xws thiab cov neeg siab dawb.
3. Stucco thiab tshuaj khib
MHEC tau siv rau hauv stucco thiab cug ua qauv ua haujlwm txhawm rau txhim kho kev ua haujlwm thiab adcesion. Nws cov dej-khaws cia cov khoom pab txuas ntxiv rau lub sijhawm qhib ncua, ua rau cov ntawv thov zoo dua thiab ua tiav cov khoom.
4. Leem Nqes thiab Caulks
Cov cuab yeej kos duab kos duab xws li cov xov zoo thiab caulk tau txais txiaj ntsig los ntawm cov khoom siv thickening ntawm MHEC. Nws pab tswj qhov sib xws ntawm cov qauv no, kom ua kom tau ncaj thiab sib khi.
MHEC cov txiaj ntsig hauv cov cuab yeej archings
1. Kev sib sau ua ke thiab kev sib koom siab
Kev siv MHEC kom paub meej tias kev ua yeeb yam uas ruaj khov thiab txawm tias viscosity, yog li txhawb tau txawm thov thiab pab them.
2. Ncua Sijhawm Qhib
Cov khoom siv dej-khaws cov khoom ntawm MHEC txuas ntxiv lub sijhawm qhib lub sijhawm, muab cov neeg pleev kob thiab cov neeg ua haujlwm ntxiv rau daim ntawv thov meej.
3. Txhim Kho Kev Ua Haujlwm
Hauv stucco, tshuaj khib thiab lwm yam kws kos duab nraaj, MHEC txhim kho kev thov ua tau zoo, ua rau nws tau yooj yim rau cov neeg thov kev xav tau.
4. Txhim Kho Durability
MHEC pab kom tag nrho cov txheej txheem ntawm txheej los ntawm kev txhim kho adhesion thiab tiv thaiv cov teeb meem xws li sagging thiab sib dhos.
Methylhydrescelluloscelleculose (MHEC) yog cov tuab tuab (mHEC) yog qhov muaj txiaj ntsig zoo hauv cov cuab yeej kos duab kos nrog cov khoom tseem ceeb thiab cov khoom siv dej kom muaj zog. Nws cov kev cuam tshuam rau kev sib xws, ua haujlwm thiab kav ntev xaiv cov xim pleev xim, stucure, mortarars thiab caulk. Raws li kev tsim kho kev tsim kho txuas ntxiv mus Evolve, MHEC tseem muaj ntau yam thiab sib xyaw ua ke hauv kev txhim kho cov kev ua tau zoo ntawm kev ua haujlwm txheej txheem txheej txheem.
Lub Sijhawm Post: Jan-26-2024