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Njirimara nke Hydroxyethyl Cellulose

Hydroxyethyl cellulose

Ọ bụ polymer na-adịghị ion ion, nke na-acha ọcha ma ọ bụ ntakịrị odo, ntụ ntụ na-adị mfe, enweghị isi na enweghị ụtọ, soluble na ma mmiri oyi na mmiri ọkụ, ọnụ ọgụgụ mgbasa na-abawanye na mmụba nke okpomọkụ.Na-adịghị edozi na organic solvents.

Njirimara nke hydroxyethyl cellulose:

1. HEO na-agbaze na mmiri ọkụ ma ọ bụ mmiri oyi, ọ naghị eme ka ọ dị elu ma ọ bụ na-esi ísì ụtọ, n'ihi ya, ọ nwere ọtụtụ ihe solubility na njirimara viscosity, yana gelation na-abụghị thermal.

2. Onye na-abụghị ionic n'onwe ya nwere ike ibikọ ọnụ na ọtụtụ ihe ndị ọzọ na-eme ka mmiri na-edozi mmiri, ndị na-emepụta ihe na nnu, na ọ bụ ezigbo colloidal thickener maka ngwọta electrolyte dị elu.

3. Ikike njide mmiri dị okpukpu abụọ dị elu karịa nke methyl cellulose, ọ na-enwekwa usoro nchịkwa ka mma.

4. E jiri ya tụnyere methyl cellulose a ma ama na hydroxypropyl methyl cellulose, ike ịgbasa nke HEC bụ nke kachasị njọ, ma ikike colloid nchebe bụ ike kachasị ike.


Oge nzipu: Ọktoba 20-2022