I-Hydroxyethyl cellulose iyibanga eliphakathi ukuya phezulu le-viscosity ye-cellulose ether, esetshenziswa njenge-thickener kanye ne-stabilizer yezingubo ezisekelwe emanzini, ikakhulukazi uma i-viscosity yokugcina iphezulu futhi i-viscosity yesicelo iphansi.I-Cellulose ether kulula ukuyihlakaza emanzini abandayo anenani le-pH ≤ 7, kodwa kulula ukuhlanganisa oketshezini lwe-alkali ngenani le-pH ≥ 7.5, ngakho-ke kufanele sinake ukuhlakazeka kwe-cellulose ether.
Izici nokusetshenziswa kwe-hydroxyethyl cellulose:
1. I-anti-enzyme non-ionic water thickener, engasetshenziswa ebangeni elibanzi le-pH value (PH=2-12).
2. Kulula ukusabalalisa, kungenziwa kwengezwe ngokuqondile ngesimo se-powder eyomile noma ngendlela ye-slurry lapho ugaya izingulube kanye nezigcwalisi.
3. Ukwakhiwa okuhle kakhulu.Inezinzuzo zokonga abasebenzi, akulula ukuconsa nokulenga, nokumelana okuhle nokuchaphaza.
4. Ukuhambisana okuhle nama-surfactants ahlukahlukene kanye nama-preservatives asetshenziswa kupende lwe-latex.
5. I-viscosity yokugcina izinzile, engavimbela i-viscosity kapende we-latex ekunciphiseni ngenxa yokubola kwama-enzyme ku-hydroxyethyl cellulose jikelele.
Izici ze-Hydroxyethyl Cellulose
I-Hydroxyethyl cellulose ether iyi-polymer engeyona i-ionic emanzini.Impushana emhlophe noma ekhanyayo ephuzi egeleza kalula.Ivamise ukungancibiliki kuzincibilikisi eziningi eziphilayo
1. I-HEC iyancibilika emanzini ashisayo noma emanzini abandayo, futhi ayidli ngokushisa okuphezulu noma ukubilisa, okwenza ibe nohlu olubanzi lokuncibilika kanye nezici ze-viscosity, kanye ne-gelation engashisi.
2. Ayiyona i-ionic futhi ingahlala namanye ama-polymers ancibilika emanzini, ama-surfactants, nosawoti.Kuyi-colloidal thickener enhle kakhulu yezixazululo eziqukethe ama-electrolyte agxile kakhulu.
3. Umthamo wokugcina amanzi uphakeme ngokuphindwe kabili kunalowo we-methyl cellulose, futhi unokulawula ukugeleza okungcono.
4. Uma kuqhathaniswa ne-methyl cellulose eyaziwayo kanye ne-hydroxypropyl methyl cellulose, ikhono lokuhlakaza le-HEC libi kakhulu, kodwa ikhono le-colloid lokuvikela linamandla kakhulu (anemibala).
Ukuqina
Kuthinta ukusebenza, okufana nalokhu: ukuqina, ukumelana nokuchaphaza, ukumelana nokulahlekelwa;isakhiwo senethiwekhi esikhethekile se-cellulose ether singazinzisa i-powder ohlelweni lokumboza, yehlise isivinini sokuhlala kwayo, futhi senze uhlelo luthole umphumela ongcono wokugcina.
Ukumelana kahle namanzi
Ngemuva kokuthi ifilimu yepende isomile ngokuphelele, inokumelana okuhle kwamanzi.Lokhu kukhombisa ikakhulukazi ukubaluleka kokumelana kwawo namanzi ohlelweni lokwakhiwa kwe-PVC ephezulu.Kusukela ekubunjweni kwamanye amazwe kuya ku-Chinese, kulolu hlelo oluphezulu lwe-PVC, inani le-cellulose ether engeziwe liyi-4-6 ‰.
ukugcinwa kwamanzi okuhle kakhulu
I-Hydroxyethyl cellulose ingandisa isikhathi sokuchayeka futhi ilawule isikhathi sokumisa ukuze ithole ukwakheka kwefilimu okungcono;phakathi kwabo, ukugcinwa kwamanzi kwe-methyl cellulose kanye ne-hypromellose kwehla kakhulu ngaphezu kwe-40 ° C, kanti ezinye izifundo zangaphandle zikholelwa ukuthi zingancishiswa ngo-50% , amathuba okuba nezinkinga ehlobo nokushisa okuphezulu kwanda kakhulu.
Ukuzinza okuhle ukunciphisa i-flocculation kapende
Susa i-sedimentation, syneresis kanye ne-flocculation;Okwamanje, i-hydroxyethyl cellulose ether iwuhlobo lomkhiqizo ongelona i-ionic.Ayisabeli ngezithasiselo ezahlukahlukene ohlelweni.
Ihambisana kahle nesistimu yemibala eminingi
Ukuhambisana okuhle kakhulu kwama-colorants, ama-pigments nama-fillers;I-hydroxyethyl cellulose ether inokuthuthukiswa kombala okungcono kakhulu, kodwa ngemva kokuguqulwa, njenge-methyl ne-ethyl, kuzoba nezingozi ezifihliwe zokuhambisana kwe-pigment.
Ukuhambisana okuhle nezinto zokusetshenziswa ezahlukahlukene
Ingasetshenziswa ezinhlelweni ezihlukahlukene zokwakhiwa kwe-coating.
Umsebenzi ophezulu we-antimicrobial
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Isikhathi sokuthumela: Feb-02-2023