1. Thickening thiab kho rheology
Ib qho ntawm lub luag haujlwm tseem ceeb ntawm HPMC yog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau viscosity. HPMC tuaj yeem ua ke nrog cov dej molecules los ntawm nws cov qauv molecular tshwj xeeb los tsim cov kua dej tsis sib xws. Cov nyhuv thickening no tsis tsuas yog txhim kho cov dej ntws thiab kev tsim kho ntawm cov txheej txheem, tab sis kuj tiv thaiv cov txheej txheem los ntawm stratification thiab nag lossis daus thaum khaws cia. Tsis tas li ntawd, HPMC kuj tseem tuaj yeem muab cov thixotropy zoo tagnrho, ua rau cov txheej txheej yooj yim dua rau kev sib kis thaum siv, thaum tuav qhov tsim nyog sib xws thaum nyob ruaj ruaj los tiv thaiv sagging.
2. Kev ncua zoo heev
Hauv cov txheej txheem, kev ncua ntawm cov khoom siv xws li cov xim pigments thiab cov fillers yog qhov tseem ceeb los xyuas kom meej qhov sib xws ntawm cov zaj duab xis txheej. HPMC muaj kev ncua zoo thiab tuaj yeem tiv thaiv cov khoom tsis zoo los ntawm kev nyob hauv txheej. Nws qhov hnyav molecular hnyav thiab molecular saw qauv tuaj yeem tsim cov qauv sib txuas hauv kev daws teeb meem, yog li tswj kom muaj kev sib faib ntawm cov khoom. Cov cuab yeej no tsis tsuas yog txhim kho qhov ruaj khov ntawm cov txheej txheem, tab sis kuj ua kom lub ntsej muag sib xws thiab sib xws ntawm cov xim ntawm txheej zaj duab xis.
3. Zoo heev zaj duab xis-forming zog
HPMC muaj cov cuab yeej ua yeeb yaj kiab zoo hauv cov tshuaj aqueous, uas ua rau nws yog ib qho kev pabcuam zoo tshaj plaws. Coatings nrog cov yeeb yaj kiab zoo tuaj yeem tsim cov txheej txheem sib xws thiab ntom ntom tom qab thov, yog li txhim kho cov kav ntev thiab kev tiv thaiv ntawm cov txheej txheem. HPMC tuaj yeem tswj tau qhov ziab ntawm txheej txheej thaum lub sijhawm tsim cov yeeb yaj kiab kom tsis txhob tawg lossis tsis sib xws los ntawm kev ziab sai dhau. Tsis tas li ntawd, cov cuab yeej ua yeeb yaj kiab ntawm HPMC tuaj yeem txhim kho qhov hnav tsis kam thiab cuam tshuam ntawm cov txheej txheem, kom nws tuaj yeem pom cov khoom tiv thaiv zoo nyob rau hauv ntau yam ib puag ncig.
4. Ua kom dej khaws cia
HPMC kuj tseem muaj cov dej khaws cia hauv cov txheej txheem. Cov cuab yeej no tseem ceeb tshwj xeeb rau cov txheej txheem dej vim tias nws tuaj yeem tiv thaiv cov dej los ntawm evaporating sai heev, yog li ncua lub sijhawm qhib ntawm txheej thiab txhim kho cov qib thiab ntub dej ntawm txheej. Cov coatings nrog cov dej tuav tau zoo tuaj yeem zam cov teeb meem xws li cov npoo qhuav los yog streaking thaum siv nyob rau hauv qhov kub thiab txias. Tsis tas li ntawd, cov cuab yeej tuav dej ntawm HPMC kuj tuaj yeem txhim kho qhov adhesion thiab smoothness ntawm txheej txheej, ua rau cov txheej txheej zoo nkauj dua.
5. Eco-phooj ywg thiab nyab xeeb
Raws li ib tug natural cellulose derivative, HPMC muaj qhov zoo ntawm ecological ib puag ncig thiab tib neeg noj qab haus huv. Nws yog non-toxic thiab harmless, tsis muaj volatile organic compounds (VOCs), thiab ua tau raws li cov kev cai ntawm ib puag ncig. Tsis tas li ntawd, HPMC tsis tsim cov khoom tsim kev puas tsuaj thaum lub sijhawm tsim khoom thiab siv, thiab tsis muaj kev cuam tshuam rau ib puag ncig. Qhov no ua rau nws muaj nuj nqis ntxiv rau hauv kev lag luam coatings, tshwj xeeb tshaj yog nyob rau hauv kev tsim kho ntsuab thiab ib puag ncig tus phooj ywg txheej.
6. Zoo sib xws
HPMC muaj cov tshuaj zoo sib xws thiab sib xws nrog ntau hom txheej txheej txheej, nrog rau cov xim latex, cov txheej txheem dej, thiab cov txheej txheem hnyav. Nws tuaj yeem tsis tsuas yog ua tau zoo nyob rau hauv ntau yam formulations, tab sis kuj synergize nrog lwm yam additives xws li dispersants thiab defoamers los txhim kho tag nrho cov kev ua tau zoo ntawm txheej.
HPMC muaj ntau yam zoo li txheej txheej, nrog rau kev ua kom tuab, ncua kev kawm, tsim zaj duab xis, tuav dej, eco-friendliness thiab zoo sib xws. Cov yam ntxwv no ua rau HPMC yog qhov tseem ceeb thiab tseem ceeb ntawm kev lag luam coatings. Nrog rau kev txhim kho ntawm ib puag ncig kev paub thiab kev nce qib ntawm thev naus laus zis, HPMC yuav ua lub luag haujlwm ntau dua hauv kev siv txheej txheej yav tom ntej, muab ntau txoj hauv kev rau kev txhim kho cov khoom ua tau zoo thiab cov khoom zoo ib puag ncig.
Post lub sij hawm: Aug-12-2024