IHydroxyethyl cellulose (HEC) iyi-alkali emhlophe noma ekhanyayo, engenaphunga, engenabuthi noma eqinile, eyenziwe ngamalitha kakotini aluhlaza noma i-pulp ecolisisiwe efakwe ku-alkali engama-30% ewuketshezi, ikhishwe futhi icindezelwe ngemuva kwesigamu sehora, Cindezela kuze kube isilinganiso. amanzi ane-alkaline afinyelela ku-1:2.8, bese uchoboza. Kuyi prepa...
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