HPMC feem ntau plays lub luag hauj lwm ntawm dej tuav thiab thickening nyob rau hauv cov cement mortar thiab gypsum-based slurry, uas tuaj yeem txhim kho cov cohesion thiab sag resistance ntawm slurry.
Cov yam ntxwv xws li huab cua kub, kub thiab cua siab yuav cuam tshuam rau evaporation tus nqi ntawm cov dej hauv cement mortar thiab gypsum-based khoom.Yog li ntawd, nyob rau lub caij sib txawv, ntxiv cov nqi tib yam ntawm HPMC, cov dej tuav cov khoom muaj qee qhov sib txawv.Cov dej tuav ntawm methyl cellulose ether ntawm qhov kub thiab txias yog ib qho tseem ceeb qhia kom paub qhov zoo ntawm methyl cellulose ether.HPMC zoo heev tuaj yeem daws qhov teeb meem ntawm cov dej tuav hauv qhov kub thiab txias.Nyob rau hauv lub caij kub kub, tshwj xeeb tshaj yog nyob rau hauv kub thiab qhuav thiab nyias-txheej tsim nyob rau hauv tshav ntuj sab, high-zoo HPMC yuav tsum tau los txhim kho cov dej tuav ntawm slurry.High-zoo HPMC, nrog zoo heev uniformity, nws methoxy thiab hydroxypropoxy pawg yog sib npaug zos rau cov cellulose molecular saw, uas yuav txhim kho lub peev xwm ntawm cov pa atoms ntawm hydroxyl thiab ether bonds mus koom nrog dej los tsim hydrogen bonds, yog li ntawd. Cov dej dawb ua cov dej khi, yog li txhawm rau tswj cov evaporation ntawm cov dej los ntawm huab cua kub thiab ua tiav cov dej khaws cia siab.
High-zoo cellulose HPMC tuaj yeem ua tau zoo sib xws thiab muaj txiaj ntsig zoo hauv cov cement mortar thiab gypsum-based khoom, thiab encapsulates tag nrho cov khoom, thiab tsim cov yeeb yaj kiab ntub dej, thiab cov dej noo hauv lub hauv paus yog maj mam tso tawm rau lub sijhawm ntev.Cov tshuaj tiv thaiv hydration ntawm cov khoom coagulating tshwm sim, yog li ua kom lub zog sib txuas thiab compressive zog ntawm cov khoom.Yog li ntawd, nyob rau lub caij ntuj sov kev tsim kho, kom ua tiav cov nyhuv ntawm cov dej tuav, nws yog ib qho tsim nyog yuav tsum tau ntxiv cov khoom zoo HPMC raws li cov qauv, txwv tsis pub, yuav muaj dej tsis txaus, txo lub zog, tawg, hollowing thiab ntog tawm. tshwm sim los ntawm kev ziab sai heev.Nws kuj ua rau muaj kev nyuaj ntawm kev tsim kho rau cov neeg ua haujlwm.Raws li qhov kub thiab txias, qhov sib ntxiv ntawm HPMC tuaj yeem txo qis, thiab tib cov dej tuav tau tuaj yeem ua tiav.
Post lub sij hawm: Mar-26-2022