I-Hydroxyyethyl celtulose iyi-polymer engenakuqhathaniswa yamanzi e-ionic eyenziwe nge-cellulose, impahla yemvelo ye-polymer, ngochungechunge lwezinqubo zamakhemikhali. Kuyinto emhlophe noma ephuzi, engenamkhawulo futhi ayinambitha ye-powdery eqinile, engachithwa kuwo womabili amanzi abandayo namanzi ashisayo, futhi izinga lokuchithwa likhuphuka ngokwanda kokushisa. Ngokuvamile, kungukungabonakali ku-organic solvents eningi. Kusetshenziswa njenge-nyouner ne-stabilizer ku-latex paint. Kulula ukuhlakazeka emanzini abandayo ngenani le-PH elingaphansi noma elilingana no-7, kepha kulula ukuhambisana noketshezi lwe-alkaline, ngakho-ke kulungiswa ngokuvamile ukuze kusetshenziswe kamuva, noma kunesixazululo se-organic noma i-organic solution , futhi futhi ingahlanganiswa nezinye izithako ze-granular zomile ezixutshwe ndawonye.
Izici ze-hydroxyethyl cellulose:
I-HEC incane emanzini ashisayo noma abandayo, futhi ayinqamuki ekushiseni okuphezulu noma ukubilisa, okwenza kube nohlu olubanzi lwe-soubity kanye ne-viscosity, kanye ne-gelation engeyona eyeshisayo.
Kungahle kube nobubanzi obuningi bakwamanye ama-polymers ancibilikisiwe amanzi, ama-surfactants, kanye nosawoti, futhi kungumkhulu kakhulu we-colloidal for solutions aqukethe ama-electrolyte aphezulu.
Umthamo wokugcina amanzi uphakeme kabili njenge-methyl cellulose, futhi inomthethonqubo ongcono wokugeleza.
Uma kuqhathaniswa ne-methyl cellulose ye-methyl ne-hydroxypropyll methyl celtule, amandla asabalalisayo ka-HEC yiyona ebi kakhulu, kepha ikhono elivikelayo le-collroid linamandla kakhulu.
Ukwakhiwa okuhle kakhulu; Inezinzuzo zokonga abasebenzi, hhayi kalula ukudonsa, anti-sag, anti-splash enhle, njll.
Ukuhambisana okuhle okunama-surfcactants ahlukahlukene kanye nama-preservatives asetshenziswa ku-latex Paint.
I-viscosity yesitoreji iyazinza, ezingavimba i-general hydroxyethyllluose ekunciphiseni ukubonwa kopende we-latex ngesikhathi sokugcina ngenxa yokubola kwama-enzyme.
Isikhathi sePosi: Meyi-25-2023