MHEC (Methyl Hydroxyethyl Cellulose) yog ib qho tseem ceeb ntawm cov cellulose ether uas yog siv dav hauv kev tsim khoom, tshwj xeeb tshaj yog nyob rau hauv cov khoom siv hauv tsev, coatings, tshuaj pleev ib ce thiab khoom noj khoom haus kev lag luam, qhia txog kev ua tau zoo. Los ntawm kev siv lub ntsiab lus ntawm MHEC, tsis yog tsuas yog tuaj yeem txhim kho kev ua haujlwm ntawm cov txheej txheem kev lag luam, tab sis cov nqi tsim khoom kuj tuaj yeem txuag tau zoo.
1. Cov yam ntxwv tseem ceeb ntawm MHEC
MHEC muaj ntau yam zoo ntawm lub cev thiab tshuaj lom neeg, xws li solubility, thickening, dej tuav, adhesion thiab tiv thaiv kev daws teeb meem, ua rau nws yog ib qho kev xaiv zoo tshaj plaws nyob rau hauv ntau hom kev lag luam. Nov yog qee qhov tseem ceeb ntawm MHEC:
Thickening: MHEC tuaj yeem ua kom cov viscosity ntawm cov kev daws teeb meem, ua rau lawv muab cov rheology zoo dua thiab adhesion hauv kev siv.
Kev tuav dej: Nws tuaj yeem khaws dej tau zoo thiab tiv thaiv kom tsis txhob poob sai heev. Cov yam ntxwv no tseem ceeb heev hauv cov cement mortars, coatings thiab lwm yam khoom siv hauv tsev.
Los tiv thaiv sedimentation: Hauv cov txheej txheem txheej txheej thiab cov txheej txheem ncua kev kawm, MHEC tuaj yeem tiv thaiv kev daws teeb meem ntawm cov khoom thiab txhim kho cov khoom sib xws thiab ruaj khov.
Zoo solubility thiab compatibility: MHEC yog yooj yim soluble nyob rau hauv dej txias thiab kub, thiab yog zoo sib xws nrog ntau yam ntawm lwm yam tshuaj Cheebtsam thiab tsis yooj yim ua rau muaj kev cuam tshuam, kom ntseeg tau nws ntau yam kev siv.
2. Daim ntawv thov teb ntawm MHEC hauv kev lag luam
ib. Kev lag luam khoom siv tsev
Hauv cov khoom siv hauv tsev, MHEC tau siv dav hauv cov qauv xws li mortars qhuav, putty hmoov thiab pobzeb adhesives. Los ntawm kev siv MHEC, kev tuav dej thiab kev ua haujlwm ntawm cov khoom siv tuaj yeem txhim kho tau zoo, yog li ua kom zoo rau kev tsim kho. Piv txwv li, nyob rau hauv ceramic pobzeb adhesives, MHEC tuaj yeem txhim kho daim ntawv cog lus muaj zog, qhib lub sijhawm qhib, thiab txo cov khoom siv. Tsis tas li ntawd, kev tuav dej ntawm MHEC tuaj yeem txo cov evaporation tus nqi ntawm cov dej hauv cov cement mortar, yog li txo cov tawg tawg, shrinkage thiab lwm yam teeb meem thiab txhim kho kev tsim kho kom zoo.
Hais txog kev txuag nqi, MHEC txhim kho kev ua haujlwm ntawm cov ntaub ntawv tsim kho, ua rau kev siv cov khoom tsim nyog thiab txo cov khoom pov tseg uas tsis tsim nyog. Piv txwv li, vim MHEC cov dej tuav tau zoo, cov neeg tsim kho tuaj yeem txo cov dej siv hauv cov cement mortars, yog li txo cov nqi khoom. Nyob rau tib lub sijhawm, kev txhim kho cov txiaj ntsig ntawm MHEC tseem tuaj yeem txo cov khoom siv rov ua dua tshiab thaum lub sijhawm tsim kho, yog li txo tus nqi tag nrho.
b. Xim kev lag luam
Hauv kev lag luam coatings, MHEC yog ib qho uas nquag siv thickener thiab stabilizer. Nws tuaj yeem txhim kho cov khoom rheological ntawm txheej txheej, ua kom yooj yim rau txhuam los yog yob thaum thov, txo qis thiab pov tseg. Tsis tas li ntawd, MHEC tuaj yeem tiv thaiv kev daws teeb meem ntawm cov xim thiab cov khoom ua kom zoo, ua rau cov xim ntawm cov xim zoo sib xws thiab qhov zoo dua.
Los ntawm kev ua kom zoo ntawm rheology thiab kev ruaj ntseg ntawm cov txheej txheej, MHEC tuaj yeem txo cov txheej txheem siv thiab txo cov kev ua haujlwm rov qab vim tias tsis sib xws, yog li txo cov nqi tsim khoom thiab kev tsim kho. Nyob rau tib lub sijhawm, vim tias cov nyhuv thickening ntawm MHEC, kev siv lwm cov thickeners kim heev hauv cov txheej txheej tuaj yeem txo, yog li txo cov nqi tsim tawm tag nrho.
c. Kev lag luam tshuaj pleev ib ce
MHEC kuj tseem siv dav hauv cov tshuaj pleev ib ce, tshwj xeeb hauv cov khoom lag luam xws li tshuaj pleev, tshuaj zawv plaub hau, tshuaj kho mob thiab daim npog ntsej muag. Raws li cov thickener thiab humectant, MHEC txhim khu kev ntxhib los mos ntawm cov khoom thiab ua rau lawv siv tau zoo dua. Tsis tas li ntawd, nws cov khoom moisturizing tso cai rau cov dej noo hauv cov tshuaj pleev ib ce kom khaws tau ntev dua, txhim kho cov dej ntawm daim tawv nqaij thiab plaub hau.
Los ntawm kev siv MHEC, cov tuam txhab tshuaj pleev ib ce tuaj yeem txuag cov nqi tsim khoom los ntawm kev txo cov nqi ntawm cov thickeners thiab humectants thiab txo qhov feem pua ntawm cov khoom xyaw hauv lawv cov formulations. Nyob rau tib lub sijhawm, kev ua haujlwm ruaj khov ntawm MHEC txuas ntxiv lub sijhawm cia ntawm cov khoom thiab txo cov khoom pov tseg los ntawm cov khoom tsis zoo.
d. Kev lag luam zaub mov
Hauv kev lag luam zaub mov, MHEC feem ntau yog siv los ua cov thickener, emulsifier thiab stabilizer. Piv txwv li, hauv cov khoom xws li dej khov, yogurt, kua ntses, thiab lwm yam, MHEC tuaj yeem tswj cov viscosity ntawm cov khoom, txhim kho saj, thiab tiv thaiv cov roj thiab dej los ntawm kev sib cais. Hauv cov khoom ci, nws kuj muaj qee yam moisturizing nyhuv thiab ncua lub txee lub neej ntawm cov khoom.
Hauv kev tsim khoom noj khoom haus, MHEC tuaj yeem hloov qee cov khoom hnyav hnyav, xws li xanthan gum, guar gum, thiab lwm yam, txo cov nqi tsim khoom. Tsis tas li ntawd, MHEC tuaj yeem txhim kho cov khoom lag luam kom ruaj khov thiab txo cov khoom pov tseg los ntawm cov khoom tsis zoo, yog li txo qis ntau lawm thiab khaws cov nqi.
3. MHEC txoj hauv kev los txhim kho kev lag luam formulation efficiency
Los ntawm nws cov khoom siv ntau yam, MHEC tuaj yeem txhim kho kev ua tau zoo ntawm cov qauv tsim, feem ntau los ntawm:
Txhim kho rheology thiab kev tsim kho kev ua tau zoo: MHEC tuaj yeem ua kom zoo dua qhov fluidity thiab adhesion ntawm cov ntaub ntawv, txo lub sij hawm thiab cov khoom pov tseg los ntawm kev tsim kho nyuaj, thiab yog li txhim kho kev ua haujlwm.
Txo cov khoom siv: Los ntawm kev txhim kho cov qauv kev ua tau zoo, MHEC tuaj yeem txo kev siv cov khoom siv raw thiab txo cov khoom siv thaum tswj cov khoom zoo.
Txhim kho cov khoom ruaj khov thiab kev pabcuam lub neej: MHEC tuaj yeem txhim kho cov khoom tiv thaiv kev laus ntawm cov khoom, txuas ntxiv lub sijhawm cia, thiab txo qis kev lag luam los ntawm cov khoom tsis zoo.
Ua kom yooj yim rau cov txheej txheem ntau lawm: MHEC qhov zoo sib xws nrog ntau yam tshuaj ua rau nws hloov ntau yam kev ua haujlwm ib leeg, yog li ua kom yooj yim cov qauv tsim thiab cov txheej txheem ntau lawm, txuag sijhawm thiab nqi.
4. Lub luag haujlwm ntawm MHEC hauv kev txuag nqi
Txo Cov Nqi Raw Khoom: MHEC cov khoom siv ntau yam tso cai rau nws hloov ntau yam ntawm lwm yam khoom ntxiv, yog li txo cov khoom siv raw khoom thiab cov nqi khaws cia.
Txo rov ua dua thiab pov tseg: Los ntawm kev txhim kho cov qauv kev ua tau zoo, MHEC tuaj yeem txo cov khoom siv rov ua dua tshiab thiab cov khoom pov tseg los ntawm kev ua yuam kev thaum lub sij hawm tsim kho lossis kev tsim khoom, txuag nqi zog thiab khoom siv.
Ntxiv cov khoom txee lub neej: Lub moisturizing thiab stabilizing zog ntawm MHEC tuaj yeem txuas lub txee lub neej ntawm cov khoom thiab txo kev lag luam poob los ntawm cov khoom lag luam ntxov ntxov.
Raws li ib tug multifunctional additive, MHEC tuaj yeem txhim kho cov qauv kev ua tau zoo thiab txuag nqi hauv ntau qhov chaw lag luam nrog nws cov thickening zoo heev, dej tuav, ruaj khov thiab lwm yam khoom. Los ntawm kev thov tsim nyog, tuam txhab lag luam tuaj yeem tsis tsuas yog txhim kho cov khoom zoo thiab txo cov nqi tsim khoom, tab sis kuj txhim kho tag nrho cov kev ua tau zoo thiab tau txais txiaj ntsig zoo hauv kev sib tw ua lag luam hnyav. Nyob rau hauv lub neej yav tom ntej, nrog kev nce qib ntawm kev siv thev naus laus zis thiab kev nthuav dav ntawm daim ntawv thov, MHEC yuav ua lub luag haujlwm tseem ceeb hauv kev lag luam, pab ntau yam kev lag luam txav mus rau cov qauv tsim tau zoo dua thiab tus nqi qis.
Post lub sij hawm: Sep-23-2024