Ukusetyenziswa kunye neempawu ze-methyl hydroxyethyl cellulose (MHEC)

1. Intshayelelo

I-Methyl hydroxyethyl cellulose (MHEC), eyaziwa ngokuba yi-hydroxyethyl methyl cellulose (HEMC), yi-ether e-soluble nonionic cellulose ether. I-MHEC i-polymer ye-semi-synthetic eyenziwe ngokuphendula kwe-cellulose yendalo kunye ne-methanol kunye ne-ethylene oxide. Ngenxa yeempawu zayo ezizodwa kunye neekhemikhali, i-MHEC isetyenziswa ngokubanzi kumashishini amaninzi.

2. Ubume beMichiza kunye neempawu

I-MHEC iqulethe i-methoxy kunye namaqela e-hydroxyethoxy kwisakhiwo sayo se-molecular, esenza ukuba sibe ne-solubility yamanzi kunye neepropati ezizinzileyo zeekhemikhali. Ukuqaliswa kwala maqela kwenza kube nokutyeba okulungileyo, i-gelling, ukumiswa, ukusabalalisa kunye neempawu zokumanzisa phantsi kweemeko ezahlukeneyo zokushisa kunye ne-pH. Iimpawu ezithile ze-MHEC ziquka:

Isiphumo esityebileyo: I-MHEC inokunyusa kakhulu i-viscosity yezisombululo ezinamanzi, iyenze ibe yi-thickener egqwesileyo.

Ukugcinwa kwamanzi: I-MHEC inomthamo ogqwesileyo wokugcinwa kwamanzi kwaye inokuthintela ngokufanelekileyo ukukhuphuka kwamanzi.

Ipropathi yokwenza ifilimu: I-MHEC inokwenza ifilimu eyomeleleyo, ecacileyo kunye nokwandisa amandla obunzima bomhlaba wezinto eziphathekayo.

I-Emulsification kunye nokuzinza kokumiswa: I-MHEC ingasetyenziselwa ukuzinzisa ukumiswa kunye ne-emulsions.

Ukuhambelana: I-MHEC inokuhambelana kakuhle kwaye ingasetyenziselwa kunye neentlobo zezinye izongezo.

3. Ukusetyenziswa kweMHEC kwizinto zokwakha

Udaka olomileyo:

I-Thickener kunye nokugcina amanzi: Kwi-mortar eyomileyo, i-MHEC isetyenziswa kakhulu njenge-thickener kunye nokugcinwa kwamanzi ukuphucula ukusebenza, ukunamathela kunye neempawu zokuchasana nodaka. Iphucula ukusebenza okuchasene nokuthotywa kodaka ngokujiya ukuqinisekisa uzinzo ngexesha lolwakhiwo. Kwangaxeshanye, ukugcinwa kwayo kwamanzi okugqwesileyo kunokuthintela ukulahleka kwamanzi kwangaphambi kwexesha kunye nokuqinisekisa ukugcwala okwaneleyo kodaka.

Ukuphucula ukusebenza kolwakhiwo: I-MHEC inokuphucula i-viscosity emanzi kunye neempawu ezichasayo zodaka, kunye nokuphucula ukusebenza kakuhle kunye nomgangatho.

Ukuncamatheliswa kwethayile:

Ukuphucula ukubambelela: Kwi-tile yokubambelela, i-MHEC iphucula ukubambelela kunye neempawu ezichasayo, ezivumela iileyili ukuba zibambelele ngokuqinileyo kwiindonga okanye phantsi.

Ukuphucula ukusebenza kolwakhiwo: Inokwandisa ixesha elivulekileyo kunye nexesha lohlengahlengiso, ukubonelela ngokulula ukwakhiwa.

Umgubo weputty:

Ukuphucula ukugcinwa kwamanzi: I-MHEC ikwandisa ukugcinwa kwamanzi kwi-putty powder ukukhusela ukukrazula kunye nomgubo ngexesha lokumisa.

Ukuphucula ukusebenza: Phucula ukusebenza kokukhuhla kweputty powder ngokujiya.

Imathiriyeli yomgangatho wokuzilinganisa:

Ukulawula ukuguquguquka kwamanzi: I-MHEC inokulungelelanisa ukuguquguquka kunye ne-viscosity yezixhobo zomgangatho wokuzimela ukuze kuqinisekiswe ukuba umgangatho ulula kwaye ulula.

4. Ukusetyenziswa kwe-MHEC kushishino lokugquma

Ipeyinti esekwe emanzini:

Ukuqina kunye nokuzinzisa: Kwipeyinti esekelwe emanzini, i-MHEC isebenza njenge-thickener kunye ne-stabilizer ukuphucula ukumiswa kunye nokuzinza kwepeyinti kunye nokukhusela ukuchithwa kwee-pigments kunye nezizaliso.

Ukuphucula i-rheology: Iyakwazi ukulungelelanisa i-rheology yepeyinti, iphucule i-brushability kunye ne-flatness.

Ipeyinti yeLatex:

Ukuphucula ukugcinwa kwamanzi kunye neempawu zokwenza ifilimu: I-MHEC ikwandisa ukugcinwa kwamanzi kunye neepropati zokwenza ifilimu yepeyinti ye-latex kunye nokuphucula ukusebenza kwe-anti-scrub yefilimu yepeyinti.

5. Ukusetyenziswa kwe-MHEC kwi-oyile yokugaya

Ulwelo lokomba:

Ukuphucula i-viscosity kunye nokuzinza: Kwi-oil drilling fluid, i-MHEC iphucula i-viscosity kunye nokuzinza kwe-drilling fluid, inceda ukuthwala i-drill cuttings, kunye nokuthintela ukuwa kodonga kakuhle.

Ukunciphisa ilahleko yokucoca: Ukugcinwa kwayo kwamanzi kunokunciphisa ilahleko yokucoca kunye nokukhusela umonakalo wokwakheka.

Ulwelo lokugqibezela:

I-Lubrication kunye nokucoca: I-MHEC isetyenziselwa ukugqitywa kwe-fluid ukuphucula i-lubricity kunye nokukwazi ukucoca ulwelo.

6. Ukusetyenziswa kweMHEC kushishino lokutya

Isityebi sokutya:

Kwiimveliso zobisi kunye neziphuzo: I-MHEC ingasetyenziselwa njenge-thickener kwiimveliso zobisi kunye neziphuzo zokuphucula ukunambitheka kunye nokuzinza.

Izinzisi:

I-jelly kunye ne-pudding: I-MHEC isetyenziselwa ukuzinzisa ukutya okufana ne-jelly kunye ne-pudding ukuphucula ukuthungwa kunye nesakhiwo.

7. Ukusetyenziswa kwe-MHEC kumayeza nakwizithambiso

Amachiza:

I-tablet binders kunye ne-controlled release agents: Kumayeza, i-MHEC isetyenziswe njenge-binder kunye ne-ejenti yokukhululwa elawulwayo kwiipilisi ukulawula izinga lokukhutshwa kweziyobisi.

Izithambiso:

I-Lotions kunye ne-creams: I-MHEC isetyenziswe njenge-thickener kunye ne-emulsion stabilizer kwi-cosmetics, kwaye isetyenziselwa i-lotions, i-creams kunye nezinye iimveliso zokuphucula ukuthungwa kunye nokuzinza kwemveliso.

8. Ukusetyenziswa kwe-MHEC kushishino lokwenza amaphepha

Ukwaleka ngephepha:

Ukuphucula ukusebenza kwengubo: I-MHEC isetyenziswe kwinkqubo yokugubungela iphepha njenge-thickener kunye ne-adhesive ukuze kuphuculwe ubumnandi bomphezulu kunye nokusebenza kokushicilela kwephepha.

Idizayini eludaka:

Ukuphucula amandla ephepha: Ukongeza i-MHEC kwi-papermaking slurry inokunyusa amandla kunye nokuchasana kwamanzi kwephepha.

9. Izinto eziluncedo nezingeloncedo kwi-MHEC

Izinto eziluncedo:

I-Versatility: I-MHEC inemisebenzi emininzi efana nokuqina, ukugcinwa kwamanzi, ukumiswa, i-emulsification, njl., kwaye inoluhlu olubanzi lwezicelo.

Ubuhlobo bendalo: I-MHEC yimathiriyeli enokubola enokungcoliseka kancinci kwendalo.

Uzinzo olomeleleyo: Ibonisa uzinzo oluhle phantsi kwe-pH eyahlukeneyo kunye neemeko zobushushu.

Izinto ezingeloncedo:

Iindleko eziphezulu: Xa kuthelekiswa nezinye i-thickeners zendabuko, iindleko zokuvelisa ze-MHEC ziphezulu.

Ukuhambelana naMakhemikhali athile: Kwimiqulu ethile, i-MHEC ingaba nemiba yokuhambelana neekhemikhali ezithile.

Ngenxa yeempawu zayo ezibalaseleyo zomzimba kunye neekhemikhali, i-methyl hydroxyethyl cellulose (MHEC) isetyenziswa ngokubanzi kumashishini amaninzi afana nokwakha, iingubo, i-petroleum, ukutya, amayeza kunye nephepha. Njenge-thickener, i-retainer yamanzi, i-binder kunye ne-stabilizer, inikezela ngenkxaso yokusebenza engundoqo kwiimveliso kunye neenkqubo kwiinkalo ezahlukeneyo. Nangona kunjalo, kwizicelo ezibonakalayo, ukuhambelana kwayo nezinye izithako kunye neemeko zeendleko kufuneka kwakhona kuthathelwe ingqalelo. Kwixesha elizayo, kunye nokuqhubela phambili kweteknoloji kunye notshintsho kwimfuno yemarike, iindawo zokusetyenziswa kwe-MHEC zinokwandiswa ngakumbi.