Ukusetshenziswa kanye nezici ze-methyl hydroxyethyl cellulose (MHEC)

1. Isingeniso

I-Methyl hydroxyethyl cellulose (MHEC), eyaziwa nangokuthi i-hydroxyethyl methyl cellulose (HEMC), iyi-ether ye-nonionic cellulose encibilika emanzini. I-MHEC i-semi-synthetic polymer eyakhiwe ukusabela kwe-cellulose yemvelo nge-methanol ne-ethylene oxide. Ngenxa yezakhiwo zayo eziyingqayizivele zomzimba namakhemikhali, i-MHEC isetshenziswa kabanzi ezimbonini eziningi.

2. Isakhiwo samakhemikhali nezici

I-MHEC iqukethe amaqembu e-methoxy ne-hydroxyethoxy esakhiweni sayo samangqamuzana, okwenza kube nokuncibilika kwamanzi okuhle kanye nezakhiwo zamakhemikhali ezizinzile. Ukwethulwa kwala maqembu kuyenza ibe nokujiya okuhle, i-gelling, i-suspension, i-dispersion kanye nezindawo zokumanzisa ngaphansi kwezimo ezihlukene zokushisa nezimo ze-pH. Izici ezithile ze-MHEC zifaka:

Ukuqina komphumela: I-MHEC ingakhuphula kakhulu i-viscosity yezixazululo ezinamanzi, iyenze ibe ukuqina okuhle kakhulu.

Ukugcinwa kwamanzi: I-MHEC inomthamo omuhle kakhulu wokugcina amanzi futhi ingavimbela ngempumelelo ukuhwamuka kwamanzi.

Isakhiwo sokwenza ifilimu: I-MHEC ingakha ifilimu eqinile, esobala futhi ikhulise amandla aqinile wezinto ezibonakalayo.

I-Emulsification kanye nokuzinza kokumiswa: I-MHEC ingasetshenziswa ukuzinzisa ukumiswa kanye nama-emulsions.

Ukuhambisana: I-MHEC inokuhambisana okuhle futhi ingasetshenziswa nezinhlobonhlobo zezinye izithasiselo.

3. Ukusetshenziswa kwe-MHEC ezintweni zokwakha

Udaka olomile:

I-Thickener kanye ne-water retainer: Odakeni olomile, i-MHEC isetshenziswa ngokuyinhloko njenge-thickener kanye nokugcina amanzi ukuze kuthuthukiswe ukusebenza, ukunamathela kanye nezakhiwo zokulwa nokushelela kodaka. Kwenza ngcono ukusebenza kodaka lokunganciphisi ngokujiya ukuze kuqinisekiswe ukuzinza ngesikhathi sokwakha. Ngesikhathi esifanayo, ukugcinwa kwayo kwamanzi okuhle kakhulu kungavimbela ukulahlekelwa kwamanzi ngaphambi kwesikhathi futhi kuqinisekise ukugeleza okwanele kodaka.

Thuthukisa ukusebenza komsebenzi wokwakha: I-MHEC ingathuthukisa i-viscosity emanzi kanye nezakhiwo zokulwa nodaka, futhi ithuthukise ukusebenza kahle nekhwalithi yokwakha.

I-adhesive yethayela:

Thuthukisa ukunamathela: Ekunamatheleni kwamathayili, i-MHEC ithuthukisa ukunamathela kanye nezakhiwo zokulwa nokugoqa, okuvumela amathayili ukuthi abambelele ngokuqinile ezindongeni noma phansi.

Thuthukisa ukusebenza kokwakhiwa: Kunganweba isikhathi esivulekile nesikhathi sokulungisa, kunikeze lula ukwakhiwa.

I-putty powder:

Thuthukisa ukugcinwa kwamanzi: I-MHEC ikhulisa ukugcinwa kwamanzi ku-putty powder ukuvimbela ukuqhekeka kanye nempushana ngesikhathi sokumisa.

Thuthukisa ukusebenza: Thuthukisa ukusebenza kokukhuhla kwe-putty powder ngokujiya.

Izinto zokuzilinganisa phansi:

Lawula i-fluidity: I-MHEC ingalungisa uketshezi kanye ne-viscosity yezinto ezizilinganisa phansi ukuze kuqinisekiswe ukuthi iphansi liyisicaba futhi libushelelezi.

4. Ukusetshenziswa kwe-MHEC embonini yokuhlanganisa

Upende osuselwe emanzini:

Ukuqina nokuqiniswa: Kupende osuselwe emanzini, i-MHEC isebenza njenge-thickener ne-stabilizer ukuze kuthuthukiswe ukumiswa nokuzinza kukapende futhi kuvimbele ukuthungwa kwe-pigments nama-fillers.

Thuthukisa i-rheology: Ingakwazi futhi ukulungisa i-rheology kapende, ithuthukise ukuxubha nokulula.

Upende we-Latex:

Thuthukisa ukugcinwa kwamanzi kanye nezakhiwo zokwenza ifilimu: I-MHEC inyusa ukugcinwa kwamanzi kanye nezakhiwo zefilimu zopende we-latex futhi ithuthukisa ukusebenza kwe-anti-scrub yefilimu kapende.

5. Ukusetshenziswa kwe-MHEC ekubholeni uwoyela

Uketshezi lokumba:

Thuthukisa i-viscosity nokuzinza: Oketshezini lokumba uwoyela, i-MHEC ithuthukisa i-viscosity nokuzinza koketshezi lokumba, isiza ukuthwala ukusikwa kokubhoboza, futhi ivimbele ukubhidlika kodonga lwemithombo.

Yehlisa ukulahleka kokuhlunga: Ukugcinwa kwayo kwamanzi kunganciphisa ukulahlekelwa kokuhlunga futhi kuvimbele ukulimala kokubunjwa.

Uketshezi lokuqeda:

Ukugcoba nokuhlanza: I-MHEC isetshenziswa ekuqedeni uketshezi ukuze kuthuthukiswe ukuthambisa kanye nekhono lokuhlanza uketshezi.

6. Ukusetshenziswa kwe-MHEC embonini yokudla

Isijiya sokudla:

Ngemikhiqizo yobisi neziphuzo: I-MHEC ingasetshenziswa njenge-thickener emikhiqizweni yobisi neziphuzo ukuthuthukisa ukunambitheka nokuzinza.

Isiqinisi:

I-jelly kanye ne-pudding: I-MHEC isetshenziswa njenge-stabilizer ekudleni okufana ne-jelly ne-pudding ukuthuthukisa ukuthungwa nokwakheka.

7. Ukusetshenziswa kwe-MHEC kwezokwelapha nezimonyo

Izidakamizwa:

Izibophezelo zamathebulethi kanye nama-ejenti okukhululwa alawulwayo: Emithi, i-MHEC isetshenziswa njenge-binder kanye ne-ejenti yokukhululwa elawulwayo yamaphilisi ukulawula izinga lokukhululwa kwezidakamizwa.

Izimonyo:

Ama-lotions nama-creams: I-MHEC isetshenziswa njenge-thickener ne-emulsion stabilizer ezimonyoni, futhi isetshenziselwa ukugcoba, okhilimu neminye imikhiqizo ukuze kuthuthukiswe ukuthungwa nokuzinza komkhiqizo.

8. Ukusetshenziswa kwe-MHEC embonini yokwenza amaphepha

Ukufakwa kwephepha:

Ukuthuthukisa ukusebenza kwe-coating: I-MHEC isetshenziswa enkambweni yokumboza iphepha njenge-thickener ne-adhesive ukuze kuthuthukiswe ubushelelezi obungaphezulu kanye nokusebenza kokuphrinta kwephepha.

Isengezo se-slurry:

Ukuthuthukisa amandla ephepha: Ukwengeza i-MHEC ku-papermaking slurry kungathuthukisa amandla nokumelana namanzi kwephepha.

9. Izinzuzo kanye nokubi kwe-MHEC

Izinzuzo:

I-Versatility: I-MHEC inemisebenzi eminingi efana nokuqina, ukugcinwa kwamanzi, ukumiswa, i-emulsification, njll., futhi inezinhlobonhlobo zezinhlelo zokusebenza.

Ivumelana nemvelo: I-MHEC iyimpahla ebolayo enokungcoliswa okuncane kwemvelo.

Ukuzinza okuqinile: Kubonisa ukuzinza okuhle ngaphansi kwe-pH ehlukene nezimo zokushisa.

Ububi:

Izindleko eziphezulu: Uma kuqhathaniswa nezinye izingqimba zendabuko, izindleko zokukhiqiza ze-MHEC ziphezulu.

Ukuhambisana Namakhemikhali athile: Ekwenziweni okuthile, i-MHEC ingase ibe nezinkinga zokuhambisana namakhemikhali athile.

Ngenxa yezakhiwo zayo ezinhle kakhulu ezingokwenyama namakhemikhali, i-methyl hydroxyethyl cellulose (MHEC) isetshenziswa kabanzi ezimbonini eziningi ezifana nezokwakha, okokugqoka, uphethiloli, ukudla, imithi kanye nokwenza amaphepha. Njenge-thickener, i-retainer yamanzi, i-binder kanye ne-stabilizer, inikeza ukusekelwa okubalulekile kokusebenza kwemikhiqizo nezinqubo emikhakheni ehlukene. Kodwa-ke, ekusetshenzisweni okungokoqobo, ukuhambisana kwayo nezinye izithako kanye nezici zezindleko kufanele kucatshangelwe. Ngokuzayo, ngokuthuthuka kobuchwepheshe kanye nezinguquko ezidingekayo zemakethe, izindawo zokufaka izicelo ze-MHEC zingase zinwetshwe ngokuqhubekayo.