Ngwa nke sodium carboxymethyl cellulose na hydroxyethyl cellulose na ngwaahịa kemịkalụ kwa ụbọchị

Carboxymethylcellulose sodium (CMC-Na) bụ ihe na-emepụta ihe, ihe na-emepụta carbonoxymethylated nke cellulose, yana chịngọm ionic cellulose kacha mkpa. Sodium carboxymethyl cellulose na-abụkarị ogige anionic polymer nke a kwadebere site n'imeghachi cellulose eke na caustic alkali na monochloroacetic acid, nke nwere ibu molekụla sitere na ọtụtụ puku ruo nde. CMC-Na bụ ọcha fibrous ma ọ bụ ntụ ntụ ntụ, enweghị isi, enweghị ụtọ, hygroscopic, dị mfe ịgbasa na mmiri iji mepụta ngwọta colloidal transperent.

Mgbe na-anọpụ iche ma ọ bụ alkaline, ngwọta bụ nnukwu viscosity mmiri mmiri. Kwụsie ike na ọgwụ, ọkụ na okpomọkụ. Otú ọ dị, okpomọkụ dị nanị 80°C, ma ọ bụrụ na a na-ekpo ọkụ ruo ogologo oge karịa 80°C, viscosity ga-ebelata ma ọ ga-abụ ihe a na-adịghị ahụkebe na mmiri.

Sodium carboxymethyl cellulose bụkwa ụdị thickener. N'ihi ezigbo ọrụ ya, a na-eji ya eme ihe n'ọtụtụ ebe na ụlọ ọrụ nri, ma kwalitekwa mmepe ngwa ngwa na ahụike nke ụlọ ọrụ nri ruo n'ókè ụfọdụ. Dị ka ihe atụ, n'ihi na ya ụfọdụ ndim na emulsifying mmetụta, ọ nwere ike na-eji mee ka kwụsie ike yogọt ọṅụṅụ na dịkwuo viscosity nke yogọt usoro; n'ihi ụfọdụ hydrophilicity na rehydration Njirimara, ọ nwere ike iji melite oriri nke pasta dị ka achịcha na steamed achịcha. àgwà, ogologo ndụ shelf ndụ nke onyinye onyinye ma welie uto.

N'ihi na ọ nwere mmetụta gel ụfọdụ, ọ bara uru na nri na-emepụta gel ka mma, ya mere enwere ike iji ya mee jelii na jam; a pụkwara iji ya mee ihe dị ka ihe mkpuchi a na-eri eri, nke a na-ejikọta ya na ihe ndị ọzọ na-esi ísì ụtọ, ma gbasaa N'elu nri ụfọdụ, ọ nwere ike ime ka nri ahụ dị ọhụrụ ruo n'ókè kasị ukwuu, na n'ihi na ọ bụ ihe oriri, ọ gaghị ebute mmetụta ọjọọ na mmadụ. ahụike. Ya mere, nri-ọkwa CMC-Na, dị ka ezigbo nri mgbakwunye, ọtụtụ-eji na nri mmepụta na nri ụlọ ọrụ.

Hydroxyethylcellulose (HEC), usoro kemịkal (C2H6O2) n, bụ ọcha ma ọ bụ ìhè edo edo, enweghị isi, fibrous na-adịghị egbu egbu ma ọ bụ siri ike powdery, nke mejupụtara alkaline cellulose na ethylene oxide (ma ọ bụ chlorohydrin) Kwadoro site na mmeghachi omume etherification, ọ bụ nke na-abụghị- ionic soluble cellulose ethers. N'ihi na HEC nwere ezigbo ihe nke ịgbasa, nkwụsịtụ, ịgbasa, emulsifying, njikọ, imepụta ihe nkiri, na-echebe mmiri na inye colloid nchebe.

Na-agbaze ngwa ngwa na mmiri na 20°C. Na-adịghị ike na nkịtị organic mgbaze. Ọ nwere ọrụ nke ndim, nkwusioru, ijikọ, emulsifying, mgbasa, na ịnọgide na-enwe mmiri mmiri. Enwere ike ịkwadebe ihe ngwọta na ọkwa viscosity dị iche iche. Nwere ike pụrụ iche nnu solubility maka electrolytes.

Viscosity na-agbanwe ntakịrị na oke PH uru 2-12, mana viscosity na-ebelata karịa oke a. Ọ nwere ihe onwunwe nke ndim, nkwusioru, njide, emulsifying, dispersing, na-ejigide mmiri na ichebe colloid. Enwere ike ịkwadebe ihe ngwọta na ọkwa viscosity dị iche iche.