Carboxymethyl Cellulose (Bekee: Carboxymethyl Cellulose, CMC dị mkpirikpi) bụ ihe mgbakwunye nri a na-ejikarị eme ihe, a na-ejikarị nnu sodium (sodium carboxymethyl cellulose) eme ihe dị ka ihe na-esi ísì ụtọ na mado.
A na-akpọ Carboxymethyl cellulose ụlọ ọrụ monosodium glutamate, nke a na-ejikarị eme ihe na mmepụta ụlọ ọrụ ma na-eweta uru dị ukwuu na mpaghara mmepụta dị iche iche.Carboxymethyl cellulose bụ ihe ntụ ntụ, nke na-adịghị egbu egbu, ma ọ dị mfe igbari na mmiri.Ọ bụ soluble na mmiri oyi na mmiri ọkụ, ma ọ bụ insoluble na organic solvents.Ọ ga-aghọ mmiri mmiri viscous mgbe agbazechara, mana viscosity ga-adịgasị iche n'ihi mmụba okpomọkụ na ọdịda.N'ihi ihe ndị pụrụ iche ya, enwere ọtụtụ ihe a chọrọ na nchekwa na njem.
Njirimara anụ ahụ na kemịkalụ
Carboxymethyl cellulose bụ ihe na-acha ọcha ma ọ bụ na-acha odo odo, enweghị isi, enweghị ụtọ, granules hygroscopic, ntụ ntụ ma ọ bụ ezigbo eriri.
※Pmmezi
A na-emepụta Carboxymethylcellulose site na mmeghachi omume catalyzed nke cellulose na chloroacetic acid.Polar (organic acid) otu carboxyl na-eme ka cellulose soluble na kemịkalụ.Mgbe mmeghachi omume mbụ ahụ gasịrị, ngwakọta nke si na ya pụta wepụtara ihe dịka 60% CMC gbakwunyere 40% salts (sodium chloride na sodium glycolate).Ngwaahịa a bụ ihe a na-akpọ ụlọ ọrụ mmepụta ihe CMC maka nchacha.A na-ewepụ nnu ndị a site na iji usoro nchacha ọzọ iji mepụta CMC dị ọcha maka nri, ọgwụ na dentifrics (ihe ntacha eze).A na-emepụtakwa akararị "ọkara-ọcha" nke etiti, nke a na-ejikarị eme ihe na ngwa akwụkwọ dịka iweghachi akwụkwọ akụkọ.Njirimara arụ ọrụ nke CMC na-adabere n'ókè nke nnọchi nke usoro cellulose (ya bụ, ole hydroxyl dị iche iche na-ekere òkè na mmeghachi omume ngbanwe), yana ogologo ogologo nke usoro ọkpụkpụ cellulose na ogo nchịkọta nke ọkpụkpụ azụ cellulose. .Ihe nnọchi Carboxymethyl.
※ Angwa
A na-eji Carboxymethylcellulose mee ihe na nri dị ka onye na-agbanwe viscosity ma ọ bụ thickener n'okpuru nọmba E466 ma ọ bụ E469 (site na enzymatic hydrolysis) na iji dozie emulsions na ngwaahịa dị iche iche, gụnyere ice cream.Ọ bụkwa akụkụ nke ọtụtụ ngwaahịa na-abụghị nri dị ka ntacha eze, laxatives, ọgwụ nri, agba mmiri, ihe ncha, ihe na-eme ka akwa akwa, nkwakọ ọkụ na-emegharịghachi na ngwaahịa akwụkwọ dị iche iche.A na-eji ya eme ihe n'ihi na ọ bụ nnukwu viscosity, nke na-adịghị egbu egbu na a na-ewerekarị hypoallergenic ebe ọ bụ na isi ihe na-esi na ya bụ osisi softwood pulp ma ọ bụ owu.A na-eji Carboxymethylcellulose eme ihe n'ọtụtụ ebe na nri ndị na-enweghị gluten na ndị nwere abụba belatara.N'ime ihe ndị na-asa ákwà, a na-eji ya dị ka ala na-akwụsịtụ polymer emebere iji tinye n'elu owu na akwa cellulosic ndị ọzọ, na-emepụta ihe mgbochi na-adịghị mma na ala dị na mmanya na-asacha.A na-eji Carboxymethylcellulose mee ihe dị ka mmanu na anya mmiri.A na-ejikwa Carboxymethylcellulose mee ihe dị ka ihe na-eme ka ọ dị arọ, dịka ọmụmaatụ, na ụlọ ọrụ na-egwupụta mmanụ, ebe ọ bụ ihe na-eme ka apịtị na-egwupụta ihe, ebe a na-eji ya dị ka ihe na-eme ka viscosity gbanwee na onye na-ejide mmiri.Dịka ọmụmaatụ, a na-eji sodium CMC (Na CMC) mee ihe dị ka nchịkwa na-adịghị mma maka ntutu isi na rabbits.Enwere ike gbanwee akwa a kpara akpa nke sitere na cellulose, dị ka owu ma ọ bụ viscose rayon, ka ọ bụrụ CMC ma jiri ya na ngwa ahụike dị iche iche.
Oge nzipu: Dec-03-2022