Hydroxyethylcellulose (HEC) bụ polymer na-abụghị ionic, mmiri na-agbaze mmiri nke sitere na cellulose, nke a na-ejikarị eme ihe n'ụlọ ọrụ dị iche iche dị ka ihe ịchọ mma, ọgwụ, nri, na textiles.Ngwongwo ya pụrụ iche na-eme ka ọ bụrụ ihe bara uru n'ọtụtụ nhazi, gụnyere dị ka thickener, emulsifier, na stabilizer.Otu n'ime nchegbu ndị a na-ahụkarị na hydroxyethylcellulose bụ ọdịdị nnyapade ya.
Ịghọta Hydroxyethylcellulose (HEC)
Ọdịdị na Njirimara
A na-emepụta HEC site na etherification nke cellulose na ethylene oxide, na-eme ka polymer hydrophilic nwere ihe magburu onwe ya na-ejikọta mmiri.Ogo nke nnọchi (DS) nke otu hydroxyethyl na ọkpụkpụ azụ cellulose na-ekpebi ike ya, viscosity, na njirimara ndị ọzọ.N'ozuzu, ụkpụrụ DS dị elu na-eduga n'ịba ụba mmiri solubility na viscosity.
Ngwa
Ihe ịchọ mma: A na-eji HEC eme ihe n'ụdị ihe ịchọ mma dị ka lotions, creams, shampoos, na gels dị ka ihe na-eme ka ọkpụkpụ, emulsifier, na stabilizer.Ọ na-eme ka udidi ngwaahịa dịkwuo mma, na-enye ire ụtọ, ma na-eme ka ahụmihe mmetụta zuru oke.
Pharmaceuticals: N'ime ọgwụ, a na-eji HEC n'ụdị usoro ọgwụgwọ dị iche iche gụnyere ointments, nkwusioru, na mmiri ọnụ maka ihe na-eme ka ọ sie ike na nkwụsịtụ.
Ụlọ ọrụ nri: HEC na-arụ ọrụ na ngwaahịa nri iji gbanwee udidi, mee ka emulsions guzosie ike, na ịchịkwa viscosity na ngwa dị ka sauces, uwe, na ihe ọṅụṅụ.
Nlekọta onwe onye: Ewezuga ihe ịchọ mma, HEC na-achọta ngwa na ngwaahịa nlekọta onwe onye dị ka ntacha eze, usoro nlekọta ntutu isi, na ngwaahịa ịdị ọcha.
Ihe ndị na-emetụta nrapagidesi ike
Ntụkwasị obi: Ọnụ ọgụgụ dị elu nke HEC nwere ike ime ka ọ dịkwuo mma n'ihi mmekọrịta dị ukwuu n'etiti ụdọ polymer, na-ebute ngwọta viscous karị.
Okpomọkụ: Nrapara nwere ike ịdị iche na mgbanwe okpomọkụ.N'ebe okpomọkụ dị elu, ngwọta HEC na-emekarị ka ọ dịkwuo mmiri, na-ebelata nkwụsịtụ, ebe okpomọkụ dị ala nwere ike ime ka viscosity na ntanye dịkwuo elu.
pH: pH nwere ike imetụta solubility na viscosity nke ngwọta HEC.Ọnọdụ pH dị oke egwu nwere ike ime ka HEC gbasaa ma ọ bụ mepụta gels, na-emetụta nrapara.
Ihe mgbakwunye: Ihe ndị ọzọ dị na nhazi nwere ike imekọrịta ihe na HEC, na-agbanwe ihe onwunwe ya.Surfactants, nnu, na electrolytes nwere ike imetụta solubility na viscosity nke ngwọta HEC, n'ihi ya na-emetụta nrapagidesi ike.
Atụmatụ iji jikwaa ntachi obi
Mee ka nhazi nke ọma: Ịmezi ntinye nke HEC na ihe ndị ọzọ dị na nhazi ahụ nwere ike inyere aka ịchịkwa nrapara.Idozi mma nke HEC na ihe ndị ọzọ nwere ike nweta udidi na viscosity achọrọ.
Njikwa okpomọkụ: nlekota na ịchịkwa okpomọkụ nhazi nwere ike imetụta omume rheological nke ngwọta HEC, na-ebelata ịrapara n'oge mmepụta.
Ndozi pH: Ịhụ na usoro dị n'ime pH kacha mma maka HEC solubility na nkwụsi ike nwere ike igbochi nsogbu ndị dị ka mmiri ozuzo na nhazi gel, si otú ahụ na-ebelata nrapara.
Ojiji nke Ngwakọta Ngwakọta: Ịgbakwunye mgbakwunye dị ka ndị na-agba agba, emollients, ma ọ bụ humectants nwere ike gbanwee udidi ma belata nrapagidesi ike ma na-eme ka arụmọrụ nke ngwaahịa ahụ dịkwuo elu.
Mbelata nha urughuru: Ịkwadebe ihe ngwọta HEC na nha nha nha nwere ike melite mgbasa ma belata ntachi obi site n'ịkwalite mmekọrịta dị mma na ihe ndị ọzọ.
Homogenization: Homogenizing HEC ngwọta nwere ike inyere nweta edo dispersion nke polima, mbenata likelihood nke clumping na stickiness.
Hydroxyethylcellulose bụ polymer vasatail nwere ọtụtụ ngwa n'ofe ụlọ ọrụ dị iche iche.Ọ bụ ezie na ọ na-enye uru bara uru dị ka ihe na-agbasi ike, na-eme ka ọ kwụsie ike na emulsifying, nrapara nwere ike bụrụ nchegbu mgbe ụfọdụ, karịsịa na nhazi ebe ederede na àgwà mmetụta dị oke mkpa.Ịghọta ihe ndị na-emetụta nkwụsi ike na iji usoro kwesịrị ekwesị iji jikwaa ya nwere ike hụ na ojiji nke HEC dị irè na ngwa dị iche iche, na-eme ka arụmọrụ ngwaahịa na afọ ojuju ndị ahịa.
ebe hydroxyethylcellulose nwere ike igosipụta nrapara n'okpuru ọnọdụ ụfọdụ, nhazi nhazi kwesịrị ekwesị, njikwa okpomọkụ, pH mmezi, na iji ihe mgbakwunye nwere ike ibelata okwu a, na-enye ohere maka iji HEC kachasị mma na ngwa dị iche iche.
Oge nzipu: Mar-19-2024