Ọtụtụ mmadụ enweghị ike ịmata ọdịiche dị n'etiti hydroxyethyl cellulose na ethyl cellulose. Hydroxyethyl cellulose na ethyl cellulose bụ ihe abụọ dị iche iche. Ha nwere njirimara ndị a.
1 hydroxyethyl cellulose:
Dịka ihe na-adịghị eme ka mmiri dị n'ime ya, na mgbakwunye na ịka nká, nkwụsịtụ, ijikọ, flotation, ịmepụta ihe nkiri, ịgbasa, idobe mmiri na inye colloids nchebe, o nwekwara ihe ndị a:
1. A na-agbaze HEC n'ime mmiri ọkụ ma ọ bụ mmiri oyi, ọ naghịkwa agbapụta n'oge okpomọkụ dị elu ma ọ bụ mgbe ọ na-esi, nke na-eme ka o nwee ọtụtụ njirimara ịgbaze na viscosity, yana njikọta na-abụghị okpomọkụ;
2. Ọ bụghị ionic ma nwee ike ibikọ na ọtụtụ polymers ndị ọzọ na-agbaze mmiri, surfactants na nnu, ọ bụkwa ezigbo ihe na-eme ka ọ sie ike nke nwere ihe ngwọta electrolyte dị elu;
3. Ike nchekwa mmiri dị okpukpu abụọ karịa nke methyl cellulose, ọ na-achịkwakwa mmiri nke ọma.
4. Ma e jiri ya tụnyere methyl cellulose na hydroxypropyl methyl cellulose a ma ama, ikike ịgbasa nke HEC bụ nke kacha njọ, mana colloid nchebe nwere ikike kachasị ike.
2 Ethyl cellulose
Ọ bụ ihe na-abụghị ionic cellulose ether nke a naghị agbaze na mmiri mana ọ na-agbaze na ihe ndị sitere n'okike. O nwere njirimara ndị a:
1. Ọ dịghị mfe ịgba ọkụ.
2. Ezigbo nkwụsi ike okpomọkụ na ezigbo thermoplasticity.
3. Enweghị agba ìhè anyanwụ.
4. Ezigbo mgbanwe.
5. Ezigbo ihe onwunwe dielectric.
6. O nwere ezigbo iguzogide alkali na ike iguzogide acid adịghị ike.
7. Ọ na-arụ ọrụ nke ọma megide ịka nká.
8. Ọ na-eguzogide nnu, oyi na mmiri nke ọma.
9. Na-adịgide adịgide nye kemịkalụ, na-echekwa ya ruo ogologo oge n'enweghị mmebi.
10. Dakọtara na ọtụtụ resins ma nwee ezigbo ndakọrịta na ihe nrụpụta plastik niile.
11. Ọ dị mfe ịgbanwe agba n'okpuru gburugburu alkaline siri ike na ọnọdụ okpomọkụ.
Oge ozi: Nọvemba-15-2022