Qhov laj thawj yog vim li cas cov hydroxypropal methylcellose yog ntau dua thiab diluted nyob rau hauv cov hmoov putty?
Thaum cov hmoov putty yog tsim tawm thiab siv, ntau yam teeb meem yuav tshwm sim. After the putty powder is mixed with water and stirred with an electric drill, the putty will become thinner as it is stirred, and the phenomenon of water separation will be serious. Lub hauv paus ua rau qhov teeb meem no yog lub putty. HydroxyPropyyl methylcellulose ntxiv rau hmoov.
1. Lub viscosity ntawm hydroxypropylulcellulose tsis haum, lub viscosity yog tsawg dhau, thiab cov nyhuv raug tsis txaus. Lub sijhawm no, kev tshwm sim dej sib cais dej yuav loj, thiab cov txiaj ntsig ntawm cov kev kawm tsis tuaj yeem xav tau.
2. HydroxyPropyyl methylcellulose dej-tswj cov dej yog ntxiv rau cov hmoov puty, uas muaj cov nyhuv zoo heev. Thaum lub putty yog yaj hauv dej, nws kaw pes tsawg cov dej. Nyob rau lub sijhawm no, dej ntau yog flocculated rau hauv dej. Lub qog, nrog ntau cov dej sib cais tawm, yog li muaj teeb meem uas ntau koj do, lub thinner nws ua; Qhov no yog qhov teeb meem uas ib qho, thiab coob leej ntau tus tau ntsib qhov teeb meem no. Tus nqi ntawm cellulose ntxiv lossis cov dej noo ntxiv tuaj yeem raug txo kom zoo.
3. HydroxyProproyl metthylcellulose muaj qee qhov kev sib raug zoo nrog nws tus kheej qauv. Nws muaj thixotrospy, yog li tag nrho cov txheej muaj qee cov peecotropy tom qab ntxiv cov qauv cellulose, yog li thaum lub cellule dispersed, nws zoo li nyias nyias, tab sis thaum nyob ruaj ruaj, nws maj mam rov qab.
Lub Sijhawm Post: Sep-22-2022