1. Incamake ya methyl hydroxyethyl selulose (MHEC)
Methyl hydroxyethyl selulose (MHEC) ni selile itari ionic selulose ether yabonetse muguhindura methylation hashingiwe kuri hydroxyethyl selulose. Bitewe n'imiterere yihariye ya molekile, MHEC ifite imbaraga zo gukemuka, kubyimba, gufatira hamwe, gukora firime no mubikorwa byo hejuru, kandi yakoreshejwe cyane mubitambaro, ibikoresho byubaka, imiti ya buri munsi nizindi nzego.
2. Incamake yimyenda irangi
Irangi ryirangi ni imyiteguro yimiti ikoreshwa mugukuraho ibishishwa hejuru nkibyuma, ibiti, na plastiki. Imyenda gakondo irangi ahanini ishingiye kuri sisitemu ikarishye, nka dichloromethane na toluene. Nubwo iyi miti ikora neza, ifite ibibazo nkumuvuduko mwinshi, uburozi nibidukikije. Hamwe n’amabwiriza akomeye y’ibidukikije no kunoza ibisabwa by’ibidukikije bikora, amazi ashingiye ku mazi hamwe n’uburozi buke bw’uburozi byahindutse buhoro buhoro isoko ry’isoko.
3. Uburyo bwibikorwa bya MHEC mukwambura amarangi
Mu gusiga amarangi, MHEC igira uruhare runini nko guhindura umubyimba na rheologiya:
Ingaruka yibyibushye:
MHEC ifite ingaruka nziza yo kubyimba muri sisitemu ishingiye kumazi. Muguhindura ubwiza bwumurongo wamabara, MHEC irashobora gutuma umurongo wamabara wihagararaho hejuru yubusa cyangwa ihanamye nta gutitira. Uyu mutungo ni ingenzi cyane mugihe cyo gukoresha amarangi kubera ko yemerera irangi irangi kuguma hejuru yintego igihe kirekire, bityo bikanoza ingaruka zo kwambura irangi.
Hindura gahunda yo guhagarika:
Irangi ryirangi risanzwe ririmo ibintu bitandukanye bikora, bishobora gutondeka cyangwa gutuza mugihe cyo kubika. Mugutezimbere ubwiza bwibisubizo byigisubizo, MHEC irashobora gukumira neza gutembera kwingirangingo zikomeye, gukomeza kugabana ibintu bimwe, no kwemeza imikorere ihamye yimyenda.
Guhindura imiterere ya rheologiya:
Gukoresha impapuro zisiga amarangi bisaba ko ifite imiterere myiza ya rheologiya, ni ukuvuga ko ishobora kugenda neza mugihe imbaraga zo hanze zashyizwe mubikorwa, ariko zishobora kubyimba vuba mugihe zidahagaze. Imiterere ya molekulari ya MHEC itanga uburyo bwiza bwo kogosha, ni ukuvuga ku gipimo cyinshi cyogosha, ubwiza bwumuti buzagabanuka, bigatuma irangi ryirangi ryoroha kubishyira mubikorwa; mugihe ku gipimo gito cyogosha cyangwa muburyo buhagaze, igisubizo kibonerana ni kinini, gifasha ibikoresho gukora igifuniko kimwe hejuru yintego.
Guteza imbere firime:
Mugihe cyo gukuramo amarangi, MHEC irashobora gufasha umurongo wamabara gukora firime imwe hejuru yintego. Iyi firime ntishobora kongera igihe cyibikorwa byibikoresho bikora gusa, ariko kandi irashobora kongera ubushobozi bwo gutwikira umurongo wamabara kumurongo runaka, kugirango ibashe kwinjira mubice byose byikibiriti.
4. Nigute wakoresha MHEC mugukuramo amarangi
Gutegura igisubizo cyamazi:
MHEC mubisanzwe ibaho muburyo bwifu kandi igomba gutegurwa mugisubizo cyamazi mbere yo kuyikoresha. Imyitozo rusange ni ukongera buhoro buhoro MHEC mumazi avanze kugirango wirinde agglomeration. Twabibutsa ko gukomera kwa MHEC bizaterwa nubushyuhe bwamazi nagaciro ka pH. Ubushyuhe bwo hejuru bwamazi (50-60 ℃) burashobora kwihutisha uburyo bwo gusesa kwa MHEC, ariko ubushyuhe bwinshi cyane buzagira ingaruka kumikorere yabwo.
Kuvangwa mu gusiba amarangi:
Mugihe utegura impapuro zisiga irangi, igisubizo cyamazi ya MHEC mubusanzwe kongerwaho buhoro buhoro mumazi wibanze asize irangi. Kugirango habeho gutatanya kimwe, umuvuduko wongeyeho wa MHEC ntugomba kwihuta cyane, kandi kubyutsa bigomba gukomeza kugeza igisubizo kiboneye. Iyi nzira isaba kugenzura umuvuduko ukurura kugirango wirinde kwibibyimba.
Guhindura amata:
Ingano ya MHEC mubisiga irangi mubisanzwe ihindurwa ukurikije formulaire yihariye hamwe nintego yibikorwa byabashushanyije. Amafaranga yiyongereyeho ari hagati ya 0.1% -1%. Ingaruka zikomeye cyane zirashobora gutera igifuniko kitaringaniye cyangwa ubukonje bukabije, mugihe dosiye idahagije ntishobora kugera kubwiza bwiza bwimiterere ya rheologiya, bityo rero birakenewe ko uhindura imikoreshereze yabyo ukoresheje ubushakashatsi.
5. Ibyiza bya MHEC mukwambura amarangi
Umutekano no kurengera ibidukikije:
Ugereranije no kubyimbye gakondo, MHEC ni ether ya selile idafite ionic, ntabwo irimo ibintu byuburozi kandi byangiza, bifite umutekano kumubiri wabantu nibidukikije, kandi bihuye nicyerekezo cyiterambere cya chimie yicyatsi igezweho.
Ihinduka ryiza cyane: MHEC ifite imiti ihamye ya pH murwego rugari rwa pH (pH 2-12), irashobora gukomeza ingaruka zifatika muburyo butandukanye bwo gusiga amarangi, kandi ntabwo byoroshye kubangamirwa nibindi bice bigize sisitemu.
Guhuza neza: Bitewe nuburyo butari ionic bwa MHEC, burahuza neza nibintu byinshi bikora, ntibishobora gukorana cyangwa gutera sisitemu ihungabana, kandi birakwiriye muburyo butandukanye bwo gushushanya amarangi.
Ingaruka nziza yo kubyimba: MHEC irashobora gutanga ingaruka zikomeye zo kubyimba, bityo bikagabanya umubare wibindi binini mubyuma bisiga irangi, koroshya amata no kugabanya ibiciro.
Methyl hydroxyethyl selulose (MHEC) yakoreshejwe cyane mumashanyarazi ya kijyambere kubera kubyimbye kwinshi, gutuza no guhuza. Binyuze muburyo bunoze bwo gushushanya no gukoresha, MHEC irashobora kunoza imikorere yimyenda irangi, bigatuma yerekana imikorere myiza no kurengera ibidukikije mubikorwa bifatika. Mu bihe biri imbere, hamwe niterambere rihoraho ryikoranabuhanga rya stripper hamwe no kurushaho kunoza ibisabwa byo kurengera ibidukikije, ibyifuzo bya MHEC mubisiga amarangi bizaba binini.
Igihe cyo kohereza: Jun-14-2024