I-Hydroxyethyl cellulose i-polymer engekho i-ionic yamanzi e-soluble eyenziwe kwi-cellulose, i-polymer material yendalo, ngokusebenzisa uluhlu lweenkqubo zemichiza. Yinto eqinileyo emhlophe okanye etyheli, engenavumba kwaye engenancasa, enokuthi inyibilikiswe kumanzi abandayo kunye namanzi ashushu, kwaye izinga lokunyibilika liyenyuka ngokunyuka kwamaqondo obushushu. Ngokubanzi, ayinyibiliki kwizinyibilikisi ezininzi ze-organic. Isetyenziswa njenge-thickener kunye ne-stabilizer kwipeyinti ye-latex. Kulula ukusasaza emanzini abandayo kunye nexabiso le-pH elingaphantsi okanye elilingana ne-7, kodwa kulula ukuba i-agglomerate kulwelo lwe-alkaline, ngoko ke ilungiselelwe kwangaphambili ukuze isetyenziswe kamva, okanye amanzi abuthathaka e-asidi okanye isisombululo se-organic yenziwe ludaka. , kwaye ingaxutywa kunye nezinye i-granular Izithako zomile zixutywe kunye.
Iimpawu ze-hydroxyethyl cellulose:
I-HEC iyancibilika kumanzi ashushu okanye abandayo, kwaye ayigqithisi kwiqondo lokushisa eliphezulu okanye ukubilisa, okwenza kube noluhlu olubanzi lwe-solubility kunye neempawu ze-viscosity, kunye ne-gelation engekho-thermal.
Iyakwazi ukuhlala kunye noluhlu olubanzi lwezinye iipolymers ezinyibilikayo emanzini, i-surfactants, kunye neetyuwa, kwaye i-colloidal thickener egqwesileyo yezisombululo eziqulethe i-electrolyte ephezulu yoxinaniso.
Umthamo wogcino lwamanzi uphindwe kabini kunalowo we-methyl cellulose, kwaye unolawulo olungcono lokuhamba.
Xa kuthelekiswa ne-methyl cellulose eyaziwayo kunye ne-hydroxypropyl methyl cellulose, amandla okusasaza e-HEC yeyona nto imbi kakhulu, kodwa amandla okukhusela e-colloid awona anamandla.
Ulwakhiwo olugqwesileyo; ineenzuzo zokusindisa abasebenzi, akukho lula ukuvuza, i-anti-sag, i-anti-splash elungileyo, njl.
Ukuhambelana kakuhle kunye neentlobo ezahlukeneyo ze-surfactants kunye ne-preservatives ezisetyenziswa kwipeyinti ye-latex.
I-viscosity yokugcina izinzile, enokuthintela i-cellulose ye-hydroxyethyl ngokubanzi ekunciphiseni i-viscosity yepende ye-latex ngexesha lokugcinwa ngenxa yokubola kwe-enzymes.
Ixesha lokuposa: May-25-2023