Hydroxyethyl cellulose ni eteri ya selulosi ifite ubukana buri hagati kugeza kuri buri hejuru, ikoreshwa nk'ingufu zo gukurura no gushimangira irangi rishingiye ku mazi, cyane cyane iyo ubukana bwo kubika buri hejuru kandi ubukana bwo gukoresha buri hasi. Eteri ya selulosi biroroshye gukwirakwira mu mazi akonje afite pH ≤ 7, ariko biroroshye guteranya mu mazi ya alkaline afite pH ≥ 7.5, bityo tugomba kwitondera uburyo eteri ya selulosi ishobora gukwirakwira.
Ibiranga n'imikoreshereze ya hydroxyethyl cellulose:
1. Imashini igabanya ubukana bw'amazi idafite ionic irwanya enzyme, ishobora gukoreshwa mu rugero rwa pH (PH=2-12).
2. Byoroshye gukwirakwizwa, bishobora kongerwamo mu buryo bw'ifu yumye cyangwa mu buryo bw'urusenda mu gihe cyo gusya irangi n'ibirungo.
3. Ikozwe neza cyane. Ifite ibyiza byo kuzigama abakozi, ntiyoroshye kuyitemba no kuyimanika, kandi irwanya gushonga neza.
4. Ihuza neza n'ibintu bitandukanye bikoreshwa mu irangi rya latex hamwe n'ibindi bintu bifasha mu kubungabunga ibidukikije.
5. Uburemere bw'ibicuruzwa bugumaho, bushobora kubuza uburemere bw'irangi rya latex kugabanuka bitewe no kubora kwa enzymes muri hydroxyethyl cellulose muri rusange.
Imiterere ya Hydroxyethyl Cellulose
Hydroxyethyl cellulose ether ni polymer idashonga mu mazi. Ni ifu y'umweru cyangwa umuhondo woroshye itemba byoroshye. Muri rusange ntishonga mu bintu byinshi bikomoka ku bimera.
1. HEC ishongeshwa mu mazi ashyushye cyangwa mu mazi akonje, kandi ntigwa iyo ubushyuhe bwinshi cyangwa ishyushye, ibyo bigatuma igira imiterere itandukanye yo gushonga no gushonga, ndetse no kudashyuha cyane.
2. Ntabwo ari ionic kandi ishobora kubana n'izindi polymer zishongeshwa mu mazi, surfactants, n'umunyu. Ni imashini nziza cyane yo gukurura ibintu irimo electrolytes nyinshi.
3. Ubushobozi bwo kubika amazi buri hejuru inshuro ebyiri ugereranyije n’ubwa methyl cellulose, kandi bufite uburyo bwo kugenzura neza amazi.
4. Ugereranyije na methyl cellulose na hydroxypropyl methyl cellulose byemewe, ubushobozi bwo gutatanya bwa HEC ni bwo bubi cyane, ariko ubushobozi bwo kurinda colloid ni bwo bukomeye cyane (bufite amabara menshi).
Ubunini
Ingaruka ku buryo ibintu bihora bihinduka, nko: ubushobozi bwo gupfuka, ubushobozi bwo gupfuka, ubushobozi bwo gutakaza; imiterere yihariye y'urusobe rwa eteri ya selulose ishobora gutuma ifu iri mu buryo bwo gupfuka ihagarara neza, igatuma igabanuka, kandi bigatuma uburyo bwo kubika ibintu burushaho kuba bwiza.
Ubudahangarwa bwiza bw'amazi
Iyo irangi rimaze kuma burundu, riba rifite ubushobozi bwo kudakoresha amazi neza. Ibi bigaragaza cyane cyane akamaro k'uburyo ridakoresha amazi mu buryo bwa PVC nyinshi. Kuva ku buryo bwo mu mahanga kugeza ku bwo mu Bushinwa, muri ubu buryo bwa PVC nyinshi, ingano ya eteri ya cellulose yongewemo ni 4-6‰.
kubika amazi neza cyane
Hydroxyethyl cellulose ishobora kongera igihe cyo kwihisha no kugenzura igihe cyo kuma kugira ngo ibone imiterere myiza y’urushundura; muri byo harimo, uburyo methyl cellulose na hypromellose bigumana amazi bigabanuka cyane hejuru ya dogere selisiyusi 40, kandi ubushakashatsi bumwe na bumwe bw’abanyamahanga bwemeza ko bishobora kugabanukaho 50%, amahirwe yo kugira ibibazo mu mpeshyi no mu bushyuhe bwinshi ariyongera cyane.
Gutuza neza kugira ngo ugabanye irangi rihindagurika
Kuraho sedimentation, syneresis na flocculation; hagati aho, hydroxyethyl cellulose ether ni ubwoko bw'ibicuruzwa bitari ionic. Ntibikora hamwe n'ibindi bintu bitandukanye biri muri sisitemu.
Ihuza neza na sisitemu y'amabara menshi
Ubushobozi bwiza bwo guhuza ibara, amarangi n'ibindi bikoresho byuzuza; hydroxyethyl cellulose ether ifite ibara ryiza cyane, ariko nyuma yo guhindura, nka methyl na ethyl, hazabaho ingaruka zihishe zo guhuza ibara.
Ihuza neza n'ibikoresho fatizo bitandukanye
Ishobora gukoreshwa mu buryo butandukanye bwo gusiga irangi.
Umusaruro mwinshi w’imiti irwanya udukoko
Bikwiriye sisitemu za silicate
Igihe cyo kohereza: Gashyantare-02-2023