CMC yo gusiga impapuro

Selilulose ya Sodium Carboxymethyl (CMC)ni igikoresho cy’ingenzi cya polymer gishobora gushonga mu mazi, gikoreshwa cyane mu gukora impapuro, imyenda, ibiribwa, ubuvuzi, imiti ya buri munsi n’ibindi. Mu nganda zikora impapuro, cyane cyane mu gusiga impapuro (gusiga), CMC yabaye imwe mu nyongeramusaruro z’ingenzi zo gusiga bitewe n’ubushobozi bwayo bwiza bwo gukora filime, gufatana, gukwirakwira no gukwirakwira mu maraso.

1. Imiterere y'ibanze ya CMC

CMC ni eteri ya selulosi ya anionic ikorwa binyuze mu kwinjiza amatsinda ya karboksimetili mu ngirabuzimafatizo za selulosi zishingiye kuri selulosi karemano hakoreshejwe uburyo bwa chimique. Ni ifu yera cyangwa umuhondo muto, yoroshye gushonga mu mazi akonje, kandi ikora amazi abonerana afite viscous. Ibipimo by'ingenzi by'imikorere ya CMC birimo urugero rwo gusimbuza (DS), ubukana, ubuziranenge, nibindi, muri byo urugero rwo gusimbuza ubusanzwe ruri hagati ya 0.4 na 1.4. Uko urugero rwo gusimbuza ruri hejuru, niko gushonga kw'amazi kwa CMC kuba kwinshi; ubukana bugena imiterere ya rheological n'igihe cyo kuyikoresha.

2. Uruhare rwa CMC mu gusiga impapuro

Gusiga impapuro bivuga gushyira urwego rw'ipamba rugizwe n'amabara n'udufunga ku buso bw'impapuro kugira ngo rwongere imikorere yo gucapa, kubengerana, koroshya no guhisha imbaraga z'impapuro. Nk'inyongera mu buryo bwo gusiga impapuro, CMC ifite inshingano z'ingenzi zikurikira:

Igikoresho cyo gukwirakwiza:CMC ifite ubushobozi bwo gukwirakwira neza kandi ishobora gukwirakwiza neza amarangi atari ay’umwimerere nka kaolini, karubone kalisiyumu, ifu ya talcum, n'ibindi mu gipfundikizo kugira ngo hirindwe ko amarangi atemba cyangwa ngo agwe, bityo bikanoza uburyo igipfundikizo gihagaze neza.

Icyuma gifunga:CMC ishobora kongera imbaraga zo gufatanya hagati y’uduce twa pigment mu gipfundikizo no hagati y’amapigment n’impapuro, no kunoza imbaraga z’imiterere n’ubudahangarwa bw’igipfundikizo.

Ibyibushye:Umuti w'amazi wa CMC ufite ubukana bwinshi kandi ushobora guhindura imiterere y'igitambaro cya rheological, ku buryo kigira ubushyuhe bwiza, gikwirakwira kandi gihagarara neza mu gihe cyo gusiga.

Imitungo yo gukora filime:CMC ishobora gukora agapira kamwe nyuma yo kuma ku rupapuro, ikongera uburyohe n'ububengerane bw'igitambaro, kandi ikongera uburanga bw'ishusho yacapwe.

Ubudahangarwa bw'amavuta n'umukungugu:CMC ishobora kunoza uburyo irangi rishyirwamo amavuta, ikagabanya kwangirika kw'imashini, ikabuza ivumbi gukora, kandi ikanoza ubwiza bw'aho rikorerwa.

3. Imikoreshereze n'uburyo bwo kwirinda

Mu gukoresha CMC mu gusiga impapuro, hari uburyo bukurikira cyane cyane:

Kongeramo nk'igice cyo gusiga: Shyira ifu yumye ya CMC mu mazi kugira ngo utegure urugero runaka rw'umuti w'amazi (muri rusange 1%-5%), hanyuma uyishyire mu gishishwa hanyuma uvange neza.

Gukoresha hamwe n'ibindi bikoresho byo gufunga: Kugira ngo irangi rirusheho gukora neza, CMC ikunze gukoreshwa hamwe na latex (nk'umusemburo wa styrene-butadiene, ethylene-vinyl acetate emulsion, nibindi) kugira ngo igire uruhare mu guhuza.

Hindura uburyo bwo kugenzura ubushyuhe: Ubwoko butandukanye bw'impapuro n'ibikoresho byo gusiga bifite ibisabwa bitandukanye kugira ngo ubushyuhe bwo gusiga burusheho kuba bwiza. Umusaruro ukenewe ushobora kugerwaho hifashishijwe guhitamo CMC y'ubwoko butandukanye bw'ubushyuhe cyangwa guhindura ingano y'inyongera.

Amabwiriza yo kwirinda arimo:

Irinde gukururana mu gihe ushongesha CMC. Amazi ashyushye ashobora gukoreshwa mu kongeramo buhoro buhoro no kuvanga;

Irinde ko byangirika igihe kirekire kugira ngo wirinde kwangirika kw'ibinure;

Gumisha ahantu ho kubika ibintu humye kugira ngo hirindwe ko ubushuhe bushobora kwinjiza cyangwa guteranya ibintu.

4. Ingaruka za CMC mu ikoreshwa ry'impapuro zipfutse

Nyuma yo gukoresha CMC, ibimenyetso byose by'imikorere yo gusiga impapuro birarushaho kuba byiza:

Ubuso burushaho kumera neza kandi bukarabagirana;

Uburyo bwo gutwikira burushaho kuba bwiza;

Gucapa amashusho neza kurushaho kandi uburyo bwo gucapa burarushaho kuba bwiza;

Ubukomere bw'impapuro, imbaraga zo gukurura no kudapfunyika birarushaho kwiyongera;

Igipimo cyo gusiga irangi kiragabanuka kandi uburyo bwo kubika ibintu burushaho kuba bwiza.

CMCni ibikoresho by’icyatsi kibisi kandi bitangiza ibidukikije byujuje ibisabwa n’inganda zikora impapuro zigezweho kugira ngo habeho iterambere rirambye.

5. Iterambere ry'iterambere

Bitewe no gukomeza kunoza ubuziranenge bw'ibisabwa ku mpapuro zipfutse neza nka impapuro zipfutse, ikarito, impapuro zigaragaza imiterere yazo, nibindi, guhindura imikorere no gukoresha neza CMC byabaye ahantu hakunze kugaragara mu bushakashatsi. Mu gihe kizaza, binyuze mu kongeramo ibikoresho bishya bikora nk'ibikoresho bya nanomateri na biopolymers, byitezwe ko bizarushaho kunoza urwego rw'ikoreshwa rya CMC mu bijyanye no gupfuka impapuro.