1. Cov qauv ntawm cov tshuaj tua kab mob
Cov cellulose Etheny (EC) yog tshuaj lom neeg ua los ntawm kev ua kom muaj kev ua kom zoo nkauj ntawm cov cellulose, uas muaj zoo biocompatibility, tsis muaj kuab lom thiab tsis muaj txiaj ntsig. Vim tias nws tus qauv muaj ntau cov pab pawg hydroxyl thiab cov pab pawg ua rau muaj qee yam kev nyuaj hauv kev ua tiav. Txhawm rau kom paub tseeb ntawm cov tshuaj tua kab, cov kev sib cais thiab cov kuab tshuaj feem ntau yuav tsum muaj.
Kev ntsuas kev xaiv
Lub solubility ntawm Ethyl cellulose yog nyob ntawm nws cov roj molecular, degree ntawm kev ua kom zoo thiab cov kuab tshuaj uas muaj kev sib raug zoo. Vim yog cov qauv kev coj ua ntawm cov tshuaj phais tshuaj, nws yog feem ntau insoluble hauv dej, tab sis tuaj yeem yaj nyob rau hauv ntau hom emvents organic. Cov kuab tshuaj feem ntau suav nrog:
Cawv cawv cov yeeb yaj kiab: xws li Eethanol, isopropanol, n-propanol, etculose qhia tau zoo solubility nyob rau hauv cov dej cawv.
Ether cov kuab tshuaj: xws li depethyl sulfoxide (DMOPS), chloroform, etc., tuaj yeem yaj cellulose zoo.
Ketone cov kuab tshuaj: xws li acetone, thiab lwm yam, haum rau kev xaus ntawm nruab nrab molecular hnyav cov tshuaj cellulose.
Chlorinated cov kuab tshuaj: xws li chloroform, carbon tetrachloride, thiab lwm yam.
Cov kauj ruam sib cais
Cov kauj ruam sib cais ntawm cov tshuaj tua kab feem ntau feem ntau raws li hauv qab no:
Ua ntej-xaus: ua tib zoo muab cov kuab tshuaj uas xaiv tau, ua kom pom tias cov kuab tshuaj tiv thaiv ethulose, thiab maj mam do ntawm chav sov kom pab nws disperse tusyees kom pab nws disperse tusyees kom pab nws disperse ensly.
Cua kub kev sib cais: yog tias nws nyuaj rau yaj nyob hauv chav tsev, feem ntau tsis ntau tshaj 70 ° C) thiab rhuab hauv qab ethyling yooj yim kom yaj.
Degassing: Tom qab kev sib cais tiav, yog tias muaj npuas nyob rau hauv cov kuab tshuaj, tuaj yeem tso cai kom dim ntawm lub sijhawm kom ntseeg tau tias qhov kev daws teeb meem kawg.
Kev ceev faj thaum lub sijhawm ua ntej
Cov kev tswj hwm cov kev tswj hwm: cov kev ua haujlwm loj tshaj plaws hauv paus cellulose yuav ua rau muaj kev nyuaj ua rau sib nrauj. Nws raug nquahu kom kho lub solubility raws li xav tau.
Kev xaiv cov kuab: Txawv Ethylor Cov Qauv (xws li sib txawv molecular hnyav, qib kev sib txawv ntawm cov kuab tshuaj. Xaiv cov kuab tshuaj uas haum haum pab txhawm rau txhim kho kev ua tiav.
2. Lub ntsiab siv ntawm Ethyl cellulose
Ethyl cellulose tau siv dav hauv ntau thaj teb vim nws cov khoom siv lub cev thiab tshuaj lom neeg (xws li solubility, ua yeeb yaj kiab, ruaj ntseg, thiab lwm yam). Nov yog qee qhov ntawm lub ntsiab siv:
Tshuaj tswj cov cab kuj tso tawm
Cov cellul elething muaj zoo biocompatibility thiab biodegradity, thiab feem ntau siv ua tus neeg sawv cev tso tawm lossis tso cai tso tawm tus neeg sawv cev. Nws tuaj yeem txhim kho cov tshuaj uas tau txais kev ua tau zoo ntawm cov tshuaj thiab txo cov kev mob tshwm sim los ntawm kev tswj hwm qhov nrawm thiab ntev ntawm kev tso yeeb tshuaj. Cov kev siv cov tshuaj uas suav nrog cov tshuaj siv ntawm qhov ncauj, kev hloov yeeb tshuaj, thiab lwm yam.
Txheej thiab Daim Ntawv Qhia Cov Ntaub Ntawv
Cov cellule ethyl muaj cov yeeb yaj kiab zoo tshaj plaws thiab lub zog kho tshuab, yog li nws tau siv dav hauv cov zaub mov thiab yeeb tshuaj. Nws tuaj yeem tsim ib qho kev ua yeeb yaj kiab nyias thiab hnav tsis zoo los tiv thaiv cov tshuaj hauv sab nraud thiab nce lub neej ruaj khov thiab txee rau ntawm cov khoom. Cov ntawv thov txheej txheej sib dhos muaj cov khoom qab zib, tshuaj yeeb, thiab lwm yam.
Kev Lag Luam Khoom Noj
Nyob rau hauv kev lag luam khoom noj khoom haus, Ethylyl cellulose tau siv dav ua ib qho khoom noj additive. Nws tuaj yeem raug siv los ua cov tuab dua, stabilizer, emulsifier, thiab lwm yam los txhim kho cov qauv thiab saj ntawm cov khoom noj. Piv txwv li, cov cellyl celluls tuaj yeem siv los hloov chaw rau cov khoom noj muaj calorie tsawg los pab tswj cov ntsiab lus ntawm cov rog thiab qab zib.
Tshuaj pleev ib ce Kev Lag Luam
Hauv cov tshuaj pleev ib ce, cov cellyl cellulose feem ntau siv los ua cov tuab tuab, emulsifier thiab zaj duab xis yav tas los, uas tuaj yeem txhim kho qhov emulsion thiab kov cov emulsion thaum siv. Piv txwv li, cov cellule ethyl tuaj yeem pom nyob hauv cov khoom xws li lub ntsej muag cream, txias, thiab cov di ncauj.
Ntawv thiab Textile Ua
Raws li kev ua yeeb yam ntawm cov pob zeb ntuj ntawm lub ntsej muag muaj kuab cellulose ua lub luag haujlwm tseem ceeb hauv kev ua cov ntawv thiab cov ntawv nyeem. Nws tuaj yeem ua kom lub zog ua kom muaj zog, txhim kho qhov zoo saum npoo av, thiab txhim kho cov stain resistance thiab wrinkle tsis kam ntawm textiles.
Tsho thiab xim av
Raws li zaj duab xis yav tas los rau txheej txheej, Ethylyl Cellulose kuj tseem siv ntau cov xim pleev xim thiab pleev xim. Nws tuaj yeem txhim kho lub durability, kev ruaj khov thiab cov nplaum ntawm cov txheej txheem, thaum txhim kho qhov ci ntawm cov txheej.
Cov Khoom Siv Hauv Ib Paus
Vim nws cov neeg tsis txaus siab thiab cov tshuaj lom tsawg, Ethyl Cellulose kuj tau kawm rau kev txhim kho cov ntaub ntawv phooj ywg. Piv txwv li, nyob rau hauv lub teb ntawm kev kho cov dej thiab kev tiv thaiv av, kev tiv thaiv ib puag ncig ntawm cov tshuaj tua kab mob ua rau nws muaj peev xwm ntsuab.
Raws li ib qho khoom siv tsis tseem ceeb, cov cellule pom lub luag haujlwm tseem ceeb hauv ntau qhov kev lag luam. Nws txoj kev sib cais sib cais feem ntau yog nyob ntawm kev xaiv ntawm cov kuab tshuaj organic, thiab cov kuab tshuaj uas suav nrog cov cawv, lwm tus neeg noj haus, thiab cov kab mob ketones, thiab cov ketones, thiab ketones. Raws li kev siv sib txawv, cov cellul cellulose tuaj yeem siv tau dav hauv kev lag luam tawm, kev lag luam khoom noj khoom haus, thiab muaj kev ua phooj ywg zoo thiab ib puag ncig. Nrog rau qhov kev thov nce ntxiv rau cov ntaub ntawv ntsuab thiab ib puag ncig, daim ntawv thov cov kev cia ntawm Ethylulose yog qhov dav heev.
Lub Sijhawm Post: Feb-20-2025