HPMC ua lub luag haujlwm dab tsi hauv Water Base Paints/Coatings

Hydroxypropyl Methyl Cellulose(HPMC) yog ib qho uas tsis yog-ionic cellulose ether polymer raws li cellulose, ib tug natural polymer muab tau los ntawm refine paj rwb linter.

Nrog yuav luag tag nrho cov khoom ntawm Cellulose: yaj sai sai hauv dej txias, ruaj khov, tsis muaj daim ntawv lumps, Siab Transparency nyob rau hauv dej raws li kev daws teeb meem, raws li ib tug thickener, dispersant thiab stabilizer nyob rau hauv lub txheej txheej kev lag luam, nws yog siv nyob rau hauv dej-raws li xim & coatings nyob rau hauv kev tsim kho qib.

Hydroxypropyl Methylcellulose (HPMC) plays lub luag haujlwm tseem ceeb thiab ntau yam hauv daim ntawv thov txheej.

Nyob rau hauv cov nqe lus ntawm rheological zog, HPMC ua raws li ib tug tseem ceeb hloov kho. Nws tuaj yeem kho qhov viscosity ntawm txheej txheej txheej, ua kom cov txheej txheem ua tiav qhov zoo tshaj plaws flowability thaum lub sij hawm thov txheej txheem. Qhov no tsis tsuas yog ua kom muaj kev faib tawm ntawm cov txheej txheej ntawm lub substrate nto, tab sis kuj pab tswj cov thickness ntawm txheej txheej nrog precision. Piv txwv li, nyob rau hauv cov tshuaj tsuag txheej, qhov tsim nyog viscosity tswj los ntawm HPMC xyuas kom meej tias cov khoom txheej yuav raug atomized sib npaug thiab ua raws li lub hom phiaj nto.

Hais txog kev ruaj ntseg, HPMC ua hauj lwm raws li ib tug txhim khu kev qha stabilizer. Nws tuaj yeem tiv thaiv kev sib cais thiab sedimentation ntawm ntau yam khoom hauv txheej, tshwj xeeb tshaj yog pigments thiab fillers. Qhov no yuav pab tswj cov homogeneity thiab stability ntawm cov txheej thaum lub sij hawm, yog li xyuas kom meej qhov zoo thiab kev ua tau zoo ntawm txheej. Hauv cov txheej txheem dej, HPMC tshwj xeeb tshaj yog siv los tiv thaiv cov agglomeration thiab nag lossis daus ntawm cov dej-soluble tshuaj, uas yog ib qho tseem ceeb rau lub sij hawm ntev cia thiab siv cov txheej.

 

Ntxiv mus, nyob rau hauv nam ntawm kev tsim cov yeeb yaj kiab, HPMC kuj ua rau muaj txiaj ntsig zoo. Nws koom nrog hauv kev tsim cov yeeb yaj kiab txuas ntxiv thiab niaj hnub ntawm lub substrate. Los ntawm kev cuam tshuam nrog lwm cov khoom hauv txheej, HPMC pab txhim kho cov adhesion ntawm zaj duab xis rau hauv substrate thiab txhim kho nws cov khoom siv dag zog thiab ua haujlwm ntev. Qhov no yog qhov tseem ceeb rau txheej txheej los tiv thaiv ntau yam kev ntxhov siab ib puag ncig thiab hnav dhau nws lub neej kev pabcuam.

cov

Nyob rau hauv cov txheej txheem ntawm txheej txheej, hydroxypropyl methyl cellulose, raws li tus neeg sawv cev tswj rheological, tuaj yeem kho cov viscosity thiab rheology ntawm txheej txheej thiab txhim kho kev tsim kho ntawm txheej txheej.

Hydroxypropyl methyl cellulose yog siv los ua ib qho stabilizer hauv cov txheej txheem, uas tuaj yeem txhim kho kev ruaj ntseg thiab tawg ntawm cov txheej txheej, tiv thaiv cov xim xim thiab condensation, thiab xyuas kom meej qhov sib xws ntawm cov txheej.

HPMC ua raws li tus neeg sawv cev thickening hauv cov xim dej. Nws tsub kom lub viscosity ntawm cov xim formulation, muab kev tswj zoo dua ntawm daim ntawv thov thiab tiv thaiv sagging los yog dripping. HPMC pab kom ua tiav qhov xav tau sib xws thiab kev ntxhib los mos ntawm cov xim.

Hauv cov txheej txheem dej, hydroxypropyl methyl cellulose, ua ib qho emulsifier, tuaj yeem txhim kho emulsion stability ntawm txheej txheej thiab tiv thaiv txheej delamination thiab nag lossis daus.

Nyob rau sab nrauv phab ntsa txheej, hydroxypropyl methyl cellulose ua tus neeg sawv cev tiv thaiv kab mob tuaj yeem txhim kho cov kab nrib pleb thiab ua kom yooj yim ntawm cov txheej txheej thiab tiv thaiv cov kab nrib pleb hauv kev tsim kho.

HPMC muaj cov khoom tuav dej zoo, uas muaj txiaj ntsig zoo hauv cov xim pleev xim. Nws pab tiv thaiv kom tsis txhob muaj dej nrawm nrawm ntawm cov xim thaum siv, yog li ncua lub sijhawm qhib thiab tso cai rau kev ua haujlwm zoo dua thiab txhuam kom zoo.

HPMC ua raws li ib tug binder nyob rau hauv cov xim formulations, txhim khu lub adhesion ntawm cov xim rau ntau yam substrates. Nws txhim kho kev tsim cov yeeb yaj kiab thiab ua rau kom muaj zog thiab ua haujlwm ntawm cov xim txheej.

HPMC pab txhim kho cov xim stabilizing thiab lwm yam khoom siv hauv cov xim pleev xim. Nws tiv thaiv kev daws teeb meem thiab sedimentation ntawm cov khoom, kom ntseeg tau tias kev faib tawm thiab xim sib xws thoob plaws hauv cov xim.

HPMC txo qhov tawg thaum lub sij hawm siv xim. Nws txhim kho cov dej ntws thiab qib qib ntawm cov xim, uas ua rau smoother thiab ntau dua tiav.

HPMC hloov kho cov khoom rheological ntawm cov xim, xws li viscosity, shear thinning cwj pwm, thiab cov yam ntxwv ntws. Nws muab kev tswj xyuas zoo dua ntawm cov txheej txheem kev thov thiab txhim kho cov txhuam hniav thiab cov txheej txheem ntawm cov xim.

HPMC txhim kho tag nrho cov kev ua tau zoo ntawm cov xim zaj duab xis. Nws txhim kho kev puas tsuaj, txhuam tsis kam, thiab dej tsis kam ntawm cov xim pleev xim qhuav. HPMC kuj tseem txhawb nqa qhov yooj yim thiab ua haujlwm ntawm cov xim zaj duab xis, txo qhov kev pheej hmoo ntawm kev tawg lossis tawg.

HPMC ua raws li tus neeg sawv cev antifoaming hauv cov xim pleev xim. Nws pab txo qis kev tsim ua npuas ncauj thaum lub sij hawm xim sib tov thiab daim ntawv thov, ua rau kom smoother tiav.

Ua tsaug rau kev txhawb nqa JINJI CHEMCIAL.