Hydroxyethyl cellulose (HEC) ni umweru cyangwa umuhondo woroshye, nta mpumuro, nta burozi ifite cyangwa ifu. Ikozwe mu dupira tw’ipamba cyangwa impumuro nziza itwikiriwe muri soda y’amazi ya 30%. Nyuma y’igice cy’isaha, irakurwamo ikajugunywa. Kanda kugeza igihe igipimo cy’amazi ya alkaline kigeze kuri 1:2.8, hanyuma ukayisya. Itegurwa hakoreshejwe uburyo bwo gupima kandi ikaba iya ethers za cellulose zidafite ionic. Hydroxyethyl cellulose ni ingenzi mu gukurura irangi rya latex. Reka twibande ku buryo bwo gukoresha hydroxyethyl cellulose HEC mu irangi rya latex n’uburyo bwo kwirinda.
1. Ifite inzoga y'inka yo gukoresha: banza ukoreshe hydroxyethyl cellulose HEC kugira ngo utegure inzoga y'inka ifite ubunini bwinshi, hanyuma uyishyire ku gicuruzwa. Akamaro k'ubu buryo ni uko ifite ubworoherane bwinshi kandi ishobora kongerwa ku gicuruzwa cyarangiye, ariko igomba kubikwa neza. Intambwe z'ubu buryo zisa n'intambwe nyinshi mu buryo bwa 2; itandukaniro ni uko nta gikoresho cyo gukamura cyane, kandi hari inzoga zimwe na zimwe zifite imbaraga zihagije zo gutuma hydroxyethyl cellulose ikwirakwira mu gikoresho kimwe zishobora gukomeza gukaraba nta guhagarika. Kangura kugeza ishongeshejwe burundu mu gikoresho cy'inka. Ariko, ni ngombwa kumenya ko umuti wo gukamura fungicide ugomba kongerwa ku nzoga y'inka vuba bishoboka.
2. Shyiramo amazi mu buryo butaziguye mu gihe cyo gukora: ubu buryo ni bwo bworoshye kandi bufata igihe gito. Shyira amazi meza mu ndobo nini ifite icyuma gishyushya cyane. Tangira kuvanga ubudasiba ku muvuduko muto hanyuma ucenge buhoro buhoro hydroxyethyl cellulose mu gikoresho kimwe. Komeza kuvanga kugeza uduce twose twuzuye. Hanyuma ongeramo ibintu bibungabunga n'ibindi bikoresho bitandukanye. Nk'amabara, ibikoresho bigabanya ubushyuhe, amazi ya ammonia, nibindi. Vanga kugeza hydroxyethyl cellulose HEC yose ishongeshejwe burundu (ubushyuhe bw'igikoresho bwiyongera ku buryo bugaragara) hanyuma ongeramo ibindi bice muri formula yo gukora.
Kubera ko HEC ya hydroxyethyl cellulose HEC itunganyijwe ku buso ifite ifu cyangwa fibre, mu gihe utegura inzoga ya hydroxyethyl cellulose, ugomba kwita ku ngingo zikurikira:
(1) Mu gihe ukoresha HEC ifite ubukana bwinshi bwa hydroxyethyl cellulose, igipimo cy'inzoga y'umubyeyi ntikigomba kurenza 2.5-3% (ukurikije uburemere), bitabaye ibyo inzoga y'umubyeyi izagorana kuyifata.
(2) Mbere na nyuma yo kongeramo hydroxyethyl cellulose HEC, igomba kuvangwa buri gihe kugeza igihe umuti uboneye neza kandi usobanutse.
(3) Uko bishoboka kose, ongeramo umuti urwanya udukoko mbere y'igihe.
(4) Ubushyuhe bw'amazi n'agaciro ka pH by'amazi bifite isano igaragara n'ishonga rya hydroxyethyl cellulose, bityo hakwiye kwitabwaho cyane.
(5) Ntugashyiremo ibintu bimwe na bimwe bya alkaline mu ruvange mbere yuko ifu ya hydroxyethyl cellulose inyobwa mu mazi. Kongera pH nyuma yo kuyinyobwa bizafasha gushonga.
(6) Igomba gushungurwa buhoro buhoro mu mvange, kandi ntushyiremo byinshi cyangwa ngo wongeremo mu buryo butaziguye hydroxyethyl cellulose yakoze uduce duto n'udupira mu mvange.
Ibintu by'ingenzi bigira ingaruka ku bucucike bw'irangi rya latex:
(1) Kwangirika kw'ikintu gikomeza ubushyuhe giterwa na mikorobe.
(2) Mu gikorwa cyo gukora irangi, niba intambwe yo kongeramo imashini igabanya ubukana ikwiye.
(3) Niba ingano y'icyuma gitera imbaraga ku buso n'amazi byakoreshejwe mu irangi ikwiye.
(4) Igipimo cy'ingano y'ibindi bintu binini bisanzwe bigabanya ubukana n'ingano ya hydroxyethyl cellulose mu irangi.
(5) Iyo latex ikozwe, ingano y'ibisigazwa bya catalysts n'izindi oxydes iba iri hagati yabyo.
(6) Ubushyuhe buba buri hejuru cyane mu gihe cyo gukwirakwira bitewe no gukangura cyane.
(7) Uko umwuka urushaho kuba mwinshi mu irangi, niko ubushyuhe burushaho kwiyongera.
Ubushyuhe bwa hydroxyethyl cellulose HEC buhinduka gato mu rugero rwa pH ruri hagati ya 2-12, ariko ubushyuhe bugabanuka birenze urwo rugero. Bufite imiterere yo gukomera, guhagarika, gufatanya, gushonga, gukwirakwiza, kubungabunga ubushuhe no kurinda colloid. Ibisubizo mu byiciro bitandukanye by'ubushyuhe birashobora gutegurwa. Bidahamye mu bushyuhe busanzwe n'igitutu, birinda ubushuhe, ubushyuhe, n'ubushyuhe bwinshi, kandi bifite umunyu mwiza cyane ushobora gushonga kuri dielectric, kandi umuti wayo w'amazi wemerewe kuba ufite umunyu mwinshi kandi ugakomeza kuba uhamye.
Igihe cyo kohereza: Mata-01-2023