Cellulose ether Hews Hettening thiab thickening nyob rau hauv cemention thiab gypseve coll, uas tuaj yeem txhim kho cov nplaum thiab ntsug tsis kam ntawm cov khoom siv tshuaj khib.
Yam khoom xws li cua kub, ntsuas kub thiab cua lub siab muaj qhov cuam tshuam ntawm kev sib xyaw noo ntawm cov khoom siv noo noo thiab gypsum raws cov khoom. Yog li ntawd, muaj qee qhov sib txawv hauv kev ntxiv cov khoom HPMC zoo tib yam los tswj cov dej ua tau hauv txhua lub caij.
Hauv pob zeb qhob pouring, cov dej xauv cov nyhuv tuaj yeem hloov kho los ntawm nce thiab txo qis cov fertal ntws. Cov dej tuav ntawm methyl cellulose ete ntawm siab yog qhov tseem ceeb ntsuas kom paub qhov txawv ntawm Methyl cellulose ether.
Cov khoom lag luam hauv HPMC zoo muaj peev xwm daws tau qhov teeb meem ntawm kev ntsuas dej siab. Hauv cov caij nyoog siab, tshwj xeeb tshaj yog nyob rau hauv cov chaw kub thiab noo noo thiab cov tshuaj chromatography, zoo HPMC yuav tsum tau los txhim kho cov dej khaws cia ntawm slurry.
Zoo HPMC yog qhov zoo heev-ua ntu zus, thiab nws cov methoxyl thiab hydroxy cellules los ua kev sib tw ntawm hydroxyl thiab Erether.
Nws tuaj yeem tswj cov evaporation ntawm cov dej los ntawm huab cua kub thiab ua tiav cov nyhav dej siab. Kev zoo methylcellose HPMC tuaj yeem siv rau hauv collected cug thiab plaster ntawm paris crafts.
Encapsulate tag nrho cov khoom ua kom ua rau cov yeeb yaj kiab noo noo, thiab hnov mob maj mam ua ke, thiab cov ntaub ntawv collagen kom ntseeg tau tias lub zog uas muaj zog thiab tensile muaj zog.
Yog li ntawd, nyob rau hauv lub kub lub caij ntuj sov tsim kho, kom ua tiav cov txiaj ntsig dej txuag, peb yuav tsum tau ntxiv cov salmipation, nws yuav tsum tau ntxiv, nws yuav tau ua kom muaj zog, tawg, cov nruas roj thiab lwm yam khoom muaj teeb meem zoo. Ua rau lub tshuab ziab nrawm dhau sai.
Qhov no tseem nce qhov nyuaj ntawm kev tsim kho rau cov neeg ua haujlwm. Raws li qhov ntsuas kub tsawg dua, tus nqi HPMC ntxiv maj mam txo qis kom ua tiav cov ntsiab lus noo noo tib yam.
Lub Sijhawm Post: Tsib Hlis-11-2023