Cellulose ether rau phab ntsa putty

Dab tsi yog phab ntsa putty?

Cov khoom siv pleev phab ntsa yog ib yam khoom siv tseem ceeb hauv kev kho kom zoo nkauj. Nws yog cov khoom siv yooj yim rau kev kho lossis ua kom tiaj tus phab ntsa, thiab nws kuj yog cov khoom siv yooj yim rau kev pleev xim lossis ua haujlwm phab ntsa tom qab.

cov tshuaj pleev rau phab ntsa

Raws li nws cov neeg siv, nws feem ntau muab faib ua ob hom: cov putty tsis tiav thiab cov putty sib xyaw qhuav. Cov putty tsis tiav tsis muaj cov ntim khoom ruaj khov, tsis muaj cov qauv tsim khoom sib xws, thiab tsis muaj kev lees paub zoo. Nws feem ntau yog ua los ntawm cov neeg ua haujlwm ntawm qhov chaw tsim kho. Cov putty sib xyaw qhuav yog tsim raws li qhov sib piv ntawm cov khoom siv thiab txoj kev siv tshuab, uas zam qhov yuam kev los ntawm qhov sib piv ntawm qhov chaw ntawm cov txheej txheem ib txwm muaj thiab qhov teeb meem uas qhov zoo tsis tuaj yeem lav, thiab tuaj yeem siv ncaj qha nrog dej.

cov khoom sib xyaw qhuav

Cov khoom xyaw ntawm phab ntsa putty yog dab tsi?

Feem ntau, cov khoom siv putty rau phab ntsa yog calcium lime lossis cement. Cov khoom siv raw ntawm putty yog qhov tseeb, thiab qhov ntau ntawm cov khoom xyaw sib txawv yuav tsum tau sib phim los ntawm kev tshawb fawb, thiab muaj qee cov qauv.

Feem ntau cov khoom siv ua phab ntsa muaj cov khoom siv hauv paus, cov khoom muab tso rau, dej thiab cov khoom ntxiv. Cov khoom siv hauv paus yog qhov tseem ceeb tshaj plaws ntawm cov khoom siv ua phab ntsa, xws li cov cement dawb, xuab zeb limestone, slaked lime, hmoov latex uas yaj tau dua, cellulose ether, thiab lwm yam.

Cellulose Ether yog dab tsi?

Cellulose ethers yog cov polymers uas yaj tau hauv dej uas tau los ntawm cellulose, cov polymers ntuj tshaj plaws, nrog rau cov teebmeem ntxiv uas ua rau tuab dua, ua tau zoo dua, viscosity qis dua, qhib sijhawm ntev dua, thiab lwm yam.

Cellulose Ether

Muab faib ua HPMC (Hydroxypropylmethylcellulose), HEMC (Hydroxyethylmethylcellulose) thiab HEC (Hydroxyethylcellulose), muab faib ua qib ntshiab thiab qib hloov kho.

Vim li cas cellulose ether thiaj yog ib feem tseem ceeb ntawm phab ntsa putty?

Hauv cov mis ntawm cov tshuaj pleev phab ntsa, cellulose ether yog ib qho tseem ceeb uas yuav pab txhim kho kev ua haujlwm, thiab cov tshuaj pleev phab ntsa uas ntxiv nrog cellulose ether tuaj yeem ua rau phab ntsa du. Nws ua kom yooj yim ua haujlwm, siv tau ntev, khaws dej zoo heev, thiab lwm yam.