Focus on Cellulose ethers

HEMC kumatafari

HEMC kumatafari

HEMC, cyangwa hydroxyethyl methyl selulose, nikintu cyingenzi muburyo bwo gufatira tile. Ni polymer-soluble polymer ikoreshwa nkibyimbye, bihuza, na rheologiya. HEMC ikomoka kuri selile kandi ni ionic, idafite uburozi, kandi ntabwo yaka umuriro.

Mubisobanuro bifatika, HEMC ikoreshwa cyane nkibikoresho byo gufata amazi. Kwiyongera kwa HEMC kuvanga bifasha kunoza imikorere yumuti kandi bigufasha kugenzura neza ibirimo amazi. Ibi nibyingenzi kuberako ibirimo amazi yifata bigira ingaruka kumurongo, gushiraho igihe, nimbaraga zanyuma.

Imwe mu nyungu zingenzi za HEMC muburyo bwo gufatira tile ni ubushobozi bwayo bwo kunoza imiterere yifatizo kuri substrate. HEMC ikora nka binder, ikora umurunga ukomeye hagati yifatanije nubuso ikoreshwa kuri. Ibi nibyingenzi byingenzi mubisabwa aho ibifatika bizaterwa no guhangayika cyane, nko gushiraho tile.

HEMC ifasha kandi gukumira gutandukanya ibice bitandukanye muburyo bwa tile. Ibi nibyingenzi kuko bivanze neza bifata neza ko bizagira imiterere ihamye kandi bizashobora gukora nkuko byateganijwe.

Iyindi nyungu ya HEMC muburyo bwo gufatira tile ni ubushobozi bwayo bwo kunoza ubukonje bwa firigo. Iyo amazi akonje, araguka, ashobora kwangiza ibifatika. HEMC ifasha mukurinda ibi byongera ubworoherane bwamavuta no kugabanya amazi aboneka kugirango akonje.

HEMC igira kandi uruhare muri rheologiya ya tile ifata neza. Rheologiya ni ubushakashatsi bwo gutembera no guhindura ibikoresho. Muguhindura ingano ya HEMC muruvange, birashoboka kugenzura imiterere ya rheologiya yumuti. Ibi birashobora gukoreshwa mugukora ibifatika bifite ibimenyetso byihariye, nkubwiza bwinshi cyangwa thixotropy.

Usibye uruhare rwayo muburyo bwa tile, HEMC ikoreshwa no mubindi bikorwa bitandukanye. Bikunze gukoreshwa nkibibyimbye hamwe na stabilisateur mubicuruzwa byibiribwa, ndetse no mubicuruzwa byita kumuntu nka shampo n'amavuta yo kwisiga. HEMC ikoreshwa kandi mubyimbye no guhuza mugukora amarangi ya latex.

Muri rusange, HEMC nikintu cyingenzi muburyo bwo gufatira hamwe. Ubushobozi bwayo bwo kunoza imikorere, gufatira hamwe, gukonjesha gukonjesha, hamwe na rheologiya yibiranga bifata igice cyingenzi mubikorwa byinshi byubwubatsi, cyane cyane mugushiraho amabati.


Igihe cyo kohereza: Gashyantare-13-2023
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