1. Okwu mmalite
Hydroxyethyl Cellulose (HEC) bụ ihe na-abụghị ionic mmiri-soluble ihe polymer mepụtara site mmeghachi omume nke cellulose eke na ethylene oxide. N'ihi ihe pụrụ iche nke anụ ahụ na nke kemịkalụ, dị ka mmiri dị mma solubility, ndina, imepụta ihe nkiri, nkwụsi ike na ike nkwusioru, HEC ejirila ya mee ihe na ụlọ ọrụ kemịkalụ.
2. Ngwa Ngwa
Ụlọ ọrụ mkpuchi mkpuchi 2.1
N'ime ụlọ ọrụ mkpuchi, a na-ejikarị HEC eme ihe dị ka onye na-agba ume na rheology modifier. Ọrụ ya gụnyere:
Ịkwalite nkwụsi ike na rheology nke mkpuchi: HEC nwere ike ịchịkwa omume rheological nke mkpuchi nke ọma, mee ka arụmọrụ arụ ọrụ dịkwuo mma, mee ka mkpuchi ahụ ghara ịdaba, ma dị mfe ịkwanye na mpịakọta.
Ịkwalite nkwụsi ike nke mkpuchi: HEC nwere ezigbo mmiri solubility na nchebe colloidal, nke nwere ike igbochi nsị nke pigmenti na stratification nke mkpuchi, ma melite nkwụsi ike nke mkpuchi mkpuchi.
Meziwanye ihe ndị na-emepụta ihe nkiri nke mkpuchi: HEC nwere ike ịmepụta ihe nkiri otu n'oge usoro ihicha nke mkpuchi, na-eme ka ike mkpuchi na gloss nke mkpuchi.
2.2 Petroleum ụlọ ọrụ
N'ime usoro ngwupụta mmanụ na mmepụta mmanụ, a na-ejikarị HEC eme ihe dị ka ihe mgbakwunye maka ịmịnye mmiri na mmiri na-agbaji. Ọrụ ya gụnyere:
Nkwusioru na nkwusioru: HEC nwere ike ịbawanye viscosity nke mmiri na-egwupụta mmiri na mmiri na-agbaji, kwụsịtụ igbutu osisi na ihe ndị na-emepụta ihe nke ọma, gbochie ọdịda nke ọma na ịbawanye mmepụta nke ọma mmanụ.
Njikwa nzacha: HEC nwere ike ịchịkwa nzacha nzacha nke mmiri mmiri na-egwupụta ihe nke ọma, belata mmetọ n'ichepụta, ma melite nkwụsi ike na ikike mmepụta nke olulu mmanụ.
Mgbanwe nke rheological: HEC nwere ike melite rheology nke mmiri na-egwupụta mmiri na mmiri na-agbaji, welie ike ibu ájá ya, ma melite arụmọrụ na mmetụta nke ịrụ ọrụ fracturing.
2.3 ụlọ ọrụ ihe owuwu
N'ime ụlọ ọrụ ihe owuwu, a na-ejikarị HEC eme ihe na simenti ciment, ngwaahịa gypsum na agba latex. Isi ọrụ ya gụnyere:
Ịba ụba na njide mmiri: HEC nwere ike imeziwanye nkwụsị nke ngwa agha na gypsum, mee ka arụ ọrụ na-arụ ọrụ n'oge a na-ewu ụlọ, ma mee ka njigide mmiri ya dị elu, gbochie mmiri ozuzo, ma melite ike njikọ.
Mgbochi sagging: Na agba latex, HEC nwere ike igbochi agba ka ọ ghara ịdaba n'elu elu kwụ ọtọ, dobe mkpuchi ahụ n'otu, ma melite ogo ihe owuwu.
Nkwekọrịta ka mma: HEC nwere ike imeziwanye njikọ dị n'etiti ciment mortar na substrate, mee ka ike na ịdịte aka nke ihe ahụ dịkwuo elu.
Ụlọ ọrụ Chemical kwa ụbọchị 2.4
Isi ojiji nke HEC na ngwaahịa kemịkalụ kwa ụbọchị gụnyere iji ya dị ka ihe na-esi ísì, stabilizer na emulsifier maka ncha, shampoos, lotions na ịchọ mma. Ọrụ ya gụnyere:
Ọkpụkpụ: HEC nwere ike ịbawanye viscosity nke ngwaahịa kemịkalụ kwa ụbọchị, na-eme ka udidi ngwaahịa ahụ dị nro ma dịkwa mma iji.
Nkwụsi ike: HEC nwere ezigbo mmiri solubility na nchebe colloid, nwere ike ịkwado usoro emulsified, gbochie nkewa mmanụ-mmiri, ma gbasaa ndụ ndụ nke ngwaahịa ahụ.
Nkwusioru: HEC nwere ike kwụsịtụ mma irighiri ihe, melite mgbasa na ịdị n'otu nke ngwaahịa, na melite ọdịdị na udidi.
Ụlọ ọrụ ọgwụ 2.5
N'ime ụlọ ọrụ na-emepụta ọgwụ, a na-ejikarị HEC eme ihe dị ka onye na-ejikọta ya na onye na-ahapụ ya, onye na-ahụ maka gelling na emulsifier maka mbadamba. Ọrụ ya gụnyere:
Njide: HEC nwere ike ijikọta irighiri ọgwụ na-eme nke ọma ma melite ike igwe na arụrụ arụ nke mbadamba.
Ntọhapụ na-adịgide adịgide: HEC nwere ike gbanwee ọnụego ntọhapụ ọgwụ, nweta mmetụta ntọhapụ na-adịgide adịgide ma ọ bụ na-achịkwa, ma melite nrụpụta ọgwụ na nnabata onye ọrịa.
Gel na emulsification: HEC nwere ike ịmepụta gel ma ọ bụ emulsion n'ụdị na-emepụta ọgwụ, na-eme ka nkwụsi ike na uto nke ọgwụ ahụ dịkwuo mma.
3. Uru na njirimara
3.1 Mma ndim na rheological Njirimara
HEC nwere ikike ngbanwe dị mma na mgbakasị ahụ, nke nwere ike ịbawanye viscosity nke ngwọta mmiri, na-eme ka ha na-akpa àgwà dị ka mmiri mmiri pseudoplastic na ọnụ ọgụgụ dị ala shii na mmiri Newtonian na ọnụ ọgụgụ dị elu. Nke a na-enyere ya aka izute rheological chọrọ nke ngwa ọrụ mmepụta ihe dị iche iche.
3.2 Nkwụsi ike na ndakọrịta
HEC nwere ezigbo nkwụsi ike nke kemịkalụ, nwere ike ịnọgide na-arụ ọrụ kwụsiri ike n'ọtụtụ pH, yana dakọtara na kemịkalụ dị iche iche na ihe mgbaze. Nke a na-enyere ya aka ịnọgide na-enwe mmetụta siri ike na-eme ka ahụ sie ike na usoro kemịkalụ dị mgbagwoju anya.
3.3 Nchekwa gburugburu ebe obibi na nchekwa
A na-eme HEC nke cellulose eke, nwere ezigbo biodegradability ma bụrụ enyi na gburugburu ebe obibi. N'otu oge ahụ, HEC adịghị egbu egbu na nke na-adịghị emerụ ahụ, ọ dịkwa mma maka kemịkalụ na ngwaahịa ọgwụ kwa ụbọchị na ihe nchekwa dị elu chọrọ.
Hydroxyethyl cellulose (HEC) nwere ọtụtụ ngwa ngwa ma na-arụ ọrụ dị mkpa na ụlọ ọrụ kemịkalụ. Ngwunye ya dị oke mma, akụrụngwa rheological, nkwụsi ike na ndakọrịta na-eme ka ọ bụrụ ihe mgbakwunye dị mkpa n'ọtụtụ ụlọ ọrụ dị ka mkpuchi, mmanụ ala, ihe owuwu, kemịkalụ kwa ụbọchị na ọgwụ. Site na mmepe nke teknụzụ na mgbanwe na-achọ ahịa, atụmanya ngwa nke HEC ga-abawanye.
Oge nzipu: Jul-09-2024