N'ihe ịchọ mma, enwere ọtụtụ kemịkalụ kemịkalụ na-enweghị isi na enweghị isi, mana obere ihe anaghị egbu egbu.Taa, m ga-ewebata gị, hydroxyethyl cellulose, nke a na-ahụkarị na ọtụtụ ihe ịchọ mma ma ọ bụ ihe ndị dị mkpa kwa ụbọchị.
Hydroxyethyl cellulose【Hydroxyethyl cellulose】
A makwaara dị ka (HEC) bụ odo odo na-acha ọcha ma ọ bụ na-acha odo odo, enweghị isi, fibrous na-adịghị egbu egbu ma ọ bụ ntụ ntụ siri ike.N'ihi na HEC nwere ezigbo ihe onwunwe nke ndim, nkwụsịtụ, ịgbasa, emulsifying, bonding, film-forming, na-echebe mmiri na inye colloid nchebe, a na-eji ya eme ihe na ngwa ahụike na ịchọ mma.
Njirimara ngwaahịa
1.HEC na-agbaze na mmiri ọkụ ma ọ bụ mmiri oyi, ọ naghị eme ka ọ dị elu na okpomọkụ dị elu ma ọ bụ na-esi ísì ụtọ, na-eme ka ọ nwee ọdịdị dị iche iche nke solubility na 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-eme ka mmiri na-edozi mmiri, ndị surfactants na salts, na ọ bụ ihe magburu onwe ya colloidal thickener nwere elu-concentration dielectric ngwọta;
3. Ikike njide mmiri dị okpukpu abụọ 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 mgbasa nke HEC bụ nke kachasị njọ, ma colloid nchebe nwere ike kachasị ike.
ọrụ na ịchọ mma
Ọnụ ọgụgụ molekụla nke ihe ịchọ mma, njupụta nke ogige ndị sitere n'okike, ogige artificial na ihe ndị ọzọ dị iche iche, n'ihi ya, ọ dị mkpa ịgbakwunye onye na-agbaze ihe iji mee ka ihe niile na-arụ ọrụ kacha mma.The solubility na viscosity Njirimara nke hydroxyethyl cellulose n'ụzọ zuru ezu na-arụ ọrụ, na-enwe a itule, nke mere na mbụ udi nke ịchọ mma nwere ike nọgidere na-enwe na alternating oge oyi na okpomọkụ.Tụkwasị na nke ahụ, ọ nwere ihe ndị na-eme ka mmiri na-egbuke egbuke ma na-emekarị na ihe ịchọ mma nke ngwaahịa moisturizing.Karịsịa, ihe mkpuchi, toner, wdg na-agbakwunyere ihe niile.
mmetụta dị n'akụkụ
Hydroxyethyl cellulose eji ntecha bụ ihu ọma na-adịghị egbu egbu mgbe eji softeners, thickeners, wdg Ma ọ na-ewere dị ka No. 1 gburugburu ebe obibi nchekwa ngwaahịa site EWG.
Oge nzipu: Nov-16-2022