Ka ọ dị ugbu a, ọ dịghị akụkọ ọ bụla gbasara mmetụta nke usoro mgbakwunye hydroxyethyl cellulose na usoro agba latex. Site na nyocha, a na-achọpụta na mgbakwunye nke hydroxyethyl cellulose na usoro agba latex dị iche, na arụmọrụ nke agba latex a kwadebere dị nnọọ iche. N'ihe banyere otu mgbakwunye ahụ, usoro mgbakwunye dị iche iche, na viscosity nke agba latex a kwadebere dị iche. Na mgbakwunye, usoro mgbakwunye nke hydroxyethyl cellulose nwekwara mmetụta doro anya na nkwụsi ike nchekwa nke agba latex.
Ụzọ nke ịgbakwunye hydroxyethyl cellulose na latex agba na-ekpebi ọnọdụ mgbasa ya na agba, na ọnọdụ nke mgbasa bụ otu n'ime mkpịsị ugodi na mmetụta ya. Site na nyocha ahụ, a na-achọpụta na hydroxyethyl cellulose agbakwunyere na ọkwa mgbasa ozi na-ahazi n'usoro n'usoro n'usoro n'okpuru omume nke akwa shear, na ọ dị mfe ịkwanye ibe ya, na-ebibikwa ihe owuwu netwọk nke na-ejikọta ya na ihe jikọrọ ya, si otú ahụ. mbenata ndim nke ọma. The tapawa HEC kwukwara na ka-ala ogbo nwere nnọọ obere mmebi nke ohere netwọk Ọdịdị n'oge ala-ọsọ akpali akpali usoro, na ya ndim mmetụta na-egosipụta n'ụzọ zuru ezu, na nke a netwọk Ọdịdị bụkwa nnọọ uru iji hụ na nchekwa kwụsie ike nke. agba latex. Na nchịkọta, mgbakwunye nke hydroxyethyl cellulose HEC na nkwụsị ala nke agba latex na-eme ka arụmọrụ ya dị elu na nkwụsi ike dị elu.
Cellulosic thickeners na-abụkarị otu n'ime ihe ndị kasị mkpa rheological mgbakwunye maka latex paints, n'ime nke hydroxyethyl cellulose (HEC) bụ ndị kasị eme ihe. Dị ka ọtụtụ akwụkwọ akụkọ, cellulose thickeners nwere ndị a uru: elu ndim arụmọrụ, ezi ndakọrịta, elu nchekwa kwụsie ike, magburu onwe sag iguzogide, na ihe ndị yiri ya. Usoro mgbakwunye nke hydroxyethyl cellulose na mmepụta nke agba latex na-agbanwe, na usoro mgbakwunye ndị a na-ahụkarị bụ ndị a:
01. Tinye ya n'oge pulping iji mee ka viscosity nke slurry dịkwuo elu, si otú a na-enyere aka melite arụmọrụ mgbasa;
02. Kwadebe ihe mgbochi viscous ma gbakwunye ya mgbe ị na-agwakọta agba iji mezuo nzube nke ịkwa akwa.
Oge nzipu: Eprel-25-2023