IHydroxYethyl Cellulose iyindlela ephakathi nendawo ebonakalayo ephezulu ye-cellulose ether, esetshenziswa njengesikhungu kanye ne-stabilizer egqoke izigqoko ezisuselwa emanzini, ikakhulukazi lapho ukugcinwa kwesitoreji kuphakeme futhi uhlelo lokusebenza lesitoreji luphansi. I-Cellulose Ether kulula ukuyisabalalisa emanzini abandayo ngenani le-PH ≤ 7, kepha kulula ukuwenza uketshezi lwe-alkaline ngenani le-pH 7.5, ngakho-ke kufanele sinake ukungafani kokungafani kwe-cellulose ether.
Izici kanye nokusebenzisa kwe-hydroxyethyl cellulose:
1. I-anti-enzyme non-ion-ion-iontic water water water, engasetshenziswa ebangeni elibanzi levelu ye-PH (PH = 2-12).
2. Kulula ukuhlakazeka, kungangezwa ngokuqondile ngesimo se-powder eyomile noma ngesimo se-slurry lapho ugaya imibala kanye nama-filler.
3. Ukwakhiwa okuhle kakhulu. Inezinzuzo zokulondolozwa kwabasebenzi, hhayi okulula ukudonsa futhi zilenga, kanye nokumelana okuhle.
I-4. Ukuhambisana okuhle okunama-surfcactants ahlukahlukene kanye nama-preservatives asetshenziswa ku-Latex Paint.
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Izakhiwo ze-hydroxyethyl cellulose
I-Hydroxyyethyl cellulose ether i-polymer engenawo amanzi e-ionic. Kuyimpuphu emhlophe noma ekhanyisa ephuzi egeleza kalula. Ngokuvamile insoluble ku-organic solvents eningi
1. I-HEC incane emanzini ashisayo noma amanzi abandayo, futhi ayinqamuki ekushiseni okuphezulu noma ukubilisa, okwenza kube nohlu oluningi lwe-soubity kanye ne-viscosity, kanye ne-gelation engeyona eye-thermal.
2 Kuyinto enhle kakhulu ye-colloidal for solutions equkethe i-electrolyte ephezulu.
I-3. Umthamo wokugcina amanzi uphakeme kabili njenge-methyl cellulose, futhi inomthethonqubo ongcono wokugeleza.
4. Uma uqhathanisa ne-methyl cellulose ye-methyl kanye ne-hydroxypropyll methyl celtule, amandla asabalalisayo we-hec yiyona ebi kakhulu, kepha ikhono elivikelayo le-colloid linamandla (anemibala).
Ukuqina
Thinta umsebenzi, njengokuthi: ukuqina, ukumelana nokuphikiswa, ukumelana nokulahleka; Ukwakheka kwenethiwekhi okukhethekile kwe-cellulose ether kungazinza i-powder ohlelweni lwama-coating, yehlisa indawo yokuhlala kwayo, futhi yenza uhlelo luthole umphumela ongcono wokugcina.
Ukumelana Amanzi Amandla
Ngemuva kokuthi ifilimu yopende yomile ngokuphelele, inokumelana kahle kwamanzi. Lokhu kubonisa ikakhulukazi inani lokumelana kwalo kwamanzi ohlelweni lokuqanjwa kwePVC. Ukusuka kwakwamanye amazwe kuya kokulungiswa kwamanye amazwe, kulolu hlelo lwe-PVC oluphezulu, inani le-cellulose ether elingeziwe ngokuyisisekelo 4-6 ‰.
Ukugcinwa kwamanzi okuhle kakhulu
IHydroxYethyl celtuleose inganweba isikhathi sokuvezwa futhi ilawula isikhathi sokusoma ukuthola ukwakheka kwefilimu okungcono; Phakathi kwazo, ukugcinwa kwamanzi kwe-methyl cellulose kanye ne-hypromellose kulahla ngokungathí sina nge-40 ° C, kanti ezinye izifundo zakwamanye amazwe zikholelwa ukuthi zingancishiswa ngamaphesenti angama-50, amathuba okushisa aphezulu anda kakhulu.
Ukuzinza okuhle ukunciphisa ukugcwala ngopende
Susa i-sedimentation, i-syneresis kanye ne-flocculation; Ngaleso sikhathi, i-Hydroxyyethyl cellulose ether uhlobo olungeyona eye-ionic yomkhiqizo. Akaphenduli ngezithasiselo ezahlukahlukene ohlelweni.
Ukuhambisana okuhle ngohlelo olunemibala eminingi
Ukuhambisana okuhle kwama-colorants, imibala kanye nama-filler; I-Hydroxyyethyl cellulose ether inentuthuko yombala engcono kakhulu, kepha ngemuva kokuguqulwa, njenge-methyl ne-ethyl, kuzoba nezingozi ezifihliwe zokuhambisana kwezingulube.
Ukuhambisana okuhle ngezinto ezahlukahlukene eziluhlaza
Ingasetshenziswa ezinhlelweni ezahlukahlukene zokwakhiwa kwamapholi.
Umsebenzi ophakeme we-antimicrobial
Ilungele izinhlelo ezisiwe
Isikhathi sePosi: FEB-02-2023