1. Intshayelelo
I-Hydroxyethyl Cellulose (HEC) yinto engekho i-ionic yamanzi e-soluble polymer eveliswa ngokusabela kwe-cellulose yendalo kunye ne-ethylene oxide. Ngenxa yeempawu zayo ezikhethekileyo zomzimba kunye neekhemikhali, ezifana nokunyibilika kakuhle kwamanzi, ukuqina, ukwenza ifilimu, ukuzinza kunye nokukwazi ukumiswa, i-HEC isetyenziswe ngokubanzi kwishishini lemichiza.
2. Iinkalo zeSicelo
2.1 Ishishini lokugquma
Kwishishini lokugquma, i-HEC isetyenziswa kakhulu njenge-thickener kunye ne-rheology modifier. Imisebenzi yayo ibandakanya:
Ukuphucula ukuhambelana kunye ne-rheology yokwambathisa: I-HEC inokulawula ngokufanelekileyo ukuziphatha kwe-rheological ye-coating, iphucule ukusebenza kolwakhiwo, yenza ukuba i-coating ingabi lula, kwaye kube lula ukuyixuba kunye nokuqengqeleka.
Ukuphucula ukuzinza kwengubo: I-HEC ine-solubility egqwesileyo yamanzi kunye nokukhusela i-colloidal, enokuthintela ngokufanelekileyo ukuchithwa kwe-pigment kunye ne-stratification yengubo, kunye nokuphucula ukuzinza kokugcinwa kwengubo.
Ukuphucula ifilimu yokwenza ifilimu yeengubo: i-HEC inokwenza ifilimu efanayo ngexesha lokumisa inkqubo yokugubungela, ukuphucula amandla okugubungela kunye ne-gloss of the coating.
2.2 Ishishini lePetroleum
Kwinkqubo yokwemba i-oyile kunye nokuveliswa kweoli, i-HEC isetyenziswa ikakhulu njengesongezo sokugrumba ulwelo kunye nolwelo oluqhekezayo. Imisebenzi yayo ibandakanya:
Ukuqina kunye nokunqunyanyiswa: I-HEC inokunyusa kakhulu i-viscosity ye-drilling fluid kunye ne-fracturing fluid, imise ngokufanelekileyo i-drill cuttings kunye ne-propants, ukukhusela ukuwa kwe-wellbore kunye nokunyusa imveliso ye-oyile.
Ukulawulwa kokucoca: I-HEC inokulawula ngokufanelekileyo ukulahleka kokucoca ulwelo lokomba, ukunciphisa ukungcoliseka kokubunjwa, kunye nokuphucula uzinzo kunye nomthamo wokuvelisa wemithombo yeoli.
Ukuguqulwa kwe-Rheological: I-HEC inokuphucula i-rheology yokucoca ulwelo kunye ne-fracturing fluid, iphucule umthamo wayo wokuthwala isanti, kunye nokuphucula ukusebenza kakuhle kunye nefuthe lemisebenzi yokuqhekeka.
2.3 Ishishini lokwakha
Kwishishini lokwakha, i-HEC isoloko isetyenziselwa udaka lwesamente, iimveliso zegypsum kunye nepeyinti ye-latex. Imisebenzi yayo ephambili ibandakanya:
Ukuqina kunye nokugcinwa kwamanzi: I-HEC inokuphucula ukuhambelana kodaka kunye ne-gypsum, ukwandisa ukusebenza ngexesha lokwakha, kunye nokuphucula ukugcinwa kwamanzi, ukukhusela ukulahleka kwamanzi, kunye nokuphucula amandla okudibanisa.
I-Anti-sagging: Kwipeyinti ye-latex, i-HEC inokuthintela ipeyinti ukuba ingagxumeki kwindawo ethe nkqo, igcine iyunifomu yokwambathisa, kwaye iphucule umgangatho wokwakha.
Ukudibanisa okuphuculweyo: I-HEC inokuphucula ukudibanisa phakathi komdaka we-samente kunye ne-substrate, ukwandisa amandla kunye nokuqina kwezinto.
2.4 Ishishini leMichiza yeMihla le
Olona setyenziso luphambili lwe-HEC kwiimveliso zemichiza yemihla ngemihla lubandakanya ukusetyenziswa njengento etyebisayo, isizinzi kunye ne-emulsifier yezinto zokucoca, iishampu, izinto zokuthambisa kunye nezithambiso. Imisebenzi yayo ibandakanya:
Ukuqina: I-HEC inokunyusa kakhulu i-viscosity yeemveliso zemichiza yemihla ngemihla, yenze ukuba imveliso ithambile kwaye ilungele ukusetyenziswa.
Ukuzinzisa: I-HEC ine-solubility efanelekileyo yamanzi kunye nokukhuselwa kwe-colloid, inokuzinzisa inkqubo ye-emulsified, ukukhusela ukuhlukana kwamanzi oyile, kunye nokwandisa ubomi beshelufu yemveliso.
Ukumiswa: I-HEC inokumisa iincinci ezintle, ukuphucula ukusabalalisa kunye nokufana kwemveliso, kunye nokuphucula ukubonakala kunye nokuthungwa.
2.5 Ishishini lezamachiza
Kumashishini amayeza, i-HEC isetyenziswa kakhulu njenge-binder kunye ne-agent-release-release, i-gelling agent kunye ne-emulsifier yamacwecwe. Imisebenzi yayo ibandakanya:
Ukuzibophelela: I-HEC inokubopha ngokufanelekileyo iinqununu zeziyobisi kunye nokuphucula amandla omatshini kunye nokusebenza kokuchithwa kweepilisi.
Ukukhululwa okuzinzileyo: I-HEC inokulungelelanisa izinga lokukhutshwa kweziyobisi, ukufezekisa iziphumo ezizinzileyo okanye ezilawulwayo zokukhululwa, kunye nokuphucula ukusebenza kweziyobisi kunye nokuthotyelwa kwesigulane.
I-Gel kunye ne-emulsification: I-HEC inokwenza i-gel efanayo okanye i-emulsion ekuqulunqweni kweziyobisi, ukuphucula ukuzinza kunye nokunambitha kweyeza.
3. Izinto eziluncedo kunye neempawu
3.1 Ukuqina okugqwesileyo kunye neempawu zerheological
I-HEC inokuqina okugqwesileyo kunye namandla okuguqula i-rheological, enokunyusa kakhulu i-viscosity yezisombululo ezinamanzi, izenze ziziphathe njenge-pseudoplastic fluids kumazinga aphantsi okucheba kunye ne-Newtonian fluids kumazinga aphezulu okucheba. Oku kwenza ukuba ikwazi ukuhlangabezana neemfuno rheological ezahlukeneyo izicelo zoshishino.
3.2 Uzinzo kunye nokuhambelana
I-HEC inozinzo oluhle lweekhemikhali, inokugcina ukusebenza okuzinzile kwi-pH ebanzi, kwaye iyahambelana neentlobo zeekhemikhali kunye ne-solvents. Oku kwenza ukuba igcine i-stable thickening kunye nesiphumo sokuzinzisa kwiinkqubo zeekhemikhali eziyinkimbinkimbi.
3.3 Ukhuseleko lwendalo esingqongileyo
I-HEC yenziwe nge-cellulose yendalo, inokonakala kwezinto eziphilayo kwaye inobuhlobo nokusingqongileyo. Ngelo xesha, i-HEC ayinayo inetyhefu kwaye ayinabungozi, kwaye ifanelekile kwimichiza yemihla ngemihla kunye neemveliso zamachiza ezineemfuno eziphezulu zokhuseleko.
I-Hydroxyethyl cellulose (HEC) inoluhlu olubanzi lwezicelo kwaye idlala indima ebalulekileyo kwishishini lemichiza. Ukuqina kwayo okugqwesileyo, iipropati ze-rheological, ukuzinza kunye nokuhambelana kwenza ukuba ibe yinto ebalulekileyo yokudibanisa kumashishini amaninzi afana neengubo, i-petroleum, ukwakhiwa, iikhemikhali zemihla ngemihla kunye namayeza. Ngophuhliso lwetheknoloji kunye notshintsho kwimfuno yemarike, amathuba okusetyenziswa kwe-HEC aya kuba banzi.
Ixesha lokuposa: Jul-09-2024