Sodium carboxymethyl celluloseyog ib qho anionic cellulose ether nrog cov hmoov fibrous dawb lossis daj me ntsis lossis hmoov dawb hauv qhov tsos, tsis muaj ntxhiab, tsis muaj saj thiab tsis muaj tshuaj lom; yooj yim soluble hauv dej txias lossis dej kub los tsim cov tshuaj pob tshab nrog qee qhov viscosity, cov tshuaj yog nruab nrab lossis me ntsis alkaline; insoluble hauv cov kuab tshuaj organic xws li ethanol, ether, isopropanol, acetone, thiab lwm yam, soluble hauv 60% dej-muaj ethanol lossis acetone kua.
Nws yog hygroscopic, ruaj khov rau lub teeb thiab cua sov, qhov viscosity txo qis nrog qhov nce ntawm qhov kub, cov tshuaj ruaj khov ntawm PH tus nqi ntawm 2-10, tus nqi PH qis dua 2, muaj cov khoom nag, thiab tus nqi PH siab dua 10, qhov viscosity txo qis. Qhov kub discoloration yog 227 ℃, qhov kub carbonization yog 252 ℃, thiab qhov nro ntawm 2% aqueous yog 71mn / n.
Qhov no yog lub cev khoom ntawm sodium carboxymethyl cellulose, nws ruaj khov npaum li cas?
Cov khoom siv lub cev ntawm sodium carboxymethyl cellulose ruaj khov heev, yog li nws muaj cov hmoov dawb lossis daj uas kav ntev. Nws tsis muaj xim, tsis muaj ntxhiab thiab tsis muaj tshuaj lom tuaj yeem siv rau ntau lub sijhawm, xws li kev lag luam zaub mov, kev lag luam tshuaj lom neeg, thiab lwm yam; Tib lub sijhawm, nws muaj kev yaj zoo heev thiab tuaj yeem yaj rau hauv dej txias lossis dej kub los ua gel, thiab cov kua yaj yog nruab nrab lossis tsis muaj zog alkaline, yog li nws tuaj yeem siv rau ntau yam kev siv thiab coj cov txiaj ntsig zoo dua.
Vim tias sodium carboxymethyl cellulose yaj tau zoo heev, nws thiaj siv tau ntau zaus hauv kev tsim khoom thiab lub neej. Tau kawg, nws cov khoom siv lub cev ruaj khov heev, thiab cov txiaj ntsig uas nws tuaj yeem coj los yuav pom tseeb heev, ua rau peb txaus siab rau qhov kev xav sib txawv.
Lub sijhawm tshaj tawm: Plaub Hlis-26-2024