Hydroxyethyl cellulose bụ ihe na-abụghị ionic mmiri-soluble polima mere si cellulose, eke polymer ihe, site na usoro nke kemịkal usoro. Ọ bụ ihe na-acha ọcha ma ọ bụ na-acha odo odo, enweghị isi na enweghị ụtọ ntụ ntụ siri ike, nke nwere ike ịgbaze na ma mmiri oyi na mmiri ọkụ, ọnụ ọgụgụ mgbasa na-abawanye na mmụba nke okpomọkụ. N'ozuzu, ọ na-esighi ike na ọtụtụ ihe mgbaze organic. A na-eji ya dị ka thickener na stabilizer na latex agba. Ọ dị mfe igbasa na mmiri oyi na pH uru na-erughị ma ọ bụ hà 7, ma ọ dị mfe agglomerate na alkaline mmiri mmiri, n'ihi ya, ọ na-adịkarị njikere tupu mgbe e mesịrị, ma ọ bụ na-adịghị ike acid mmiri ma ọ bụ organic ngwọta na-mere ka slurry. , na a pụkwara ịgwakọta ya na granular ndị ọzọ A na-agwakọta ihe ndị ahụ akọrọ.
Njirimara nke hydroxyethyl cellulose:
HEC na-agbaze na mmiri ọkụ ma ọ bụ mmiri oyi, ọ naghị emepụta ya na okpomọkụ dị elu ma ọ bụ na-esi ísì ụtọ, nke na-eme ka ọ nwee ọdịdị dị iche iche nke solubility na viscosity, na gelation na-abụghị thermal.
Ọ nwere ike na-ebikọ ọnụ na ọtụtụ ndị ọzọ mmiri-soluble polymers, surfactants, na salts, na bụ magburu onwe colloidal thickener maka ngwọta nwere elu-concentration electrolytes.
Ikike njide mmiri dị okpukpu abụọ karịa nke methyl cellulose, ọ na-enwekwa usoro nchịkwa ka mma.
E jiri ya tụnyere methyl cellulose a ma ama na hydroxypropyl methyl cellulose, ike mgbasa nke HEC bụ nke kachasị njọ, mana ikike colloid nchebe bụ nke kachasị ike.
Ihe owuwu mara mma; ọ nwere uru nke ịzọpụta ọrụ, ọ bụghị mfe ntapu, mgbochi sag, mma mgbochi splash, wdg.
Ezigbo ndakọrịta dị iche iche surfactants na preservative eji na latex agba.
Viscosity nchekwa ahụ kwụsiri ike, nke nwere ike igbochi mkpokọta hydroxyethyl cellulose site na ibelata viscosity nke agba latex n'oge nchekwa n'ihi ire ere nke enzymes.
Oge nzipu: Mee-25-2023