1 Intangiriro
Cellulose ether (MC) ikoreshwa cyane mubikorwa byubwubatsi kandi ikoreshwa mubwinshi. Irashobora gukoreshwa nka retarder, agent yo kubika amazi, kubyimba no gufatira hamwe. Muri minisiteri isanzwe yumye ivanze, minisiteri yo hanze yizengurutsa, minisiteri yo kwishyiriraho uburinganire, gufatisha tile, kubaka inyubako nini cyane, gushira imbere imbere no kurukuta rwimbere, ibyuma bitarimo amazi byumye bivanze, pompe ya gypsumu, umukozi wa caulking nibindi bikoresho, selulose Ethers igira uruhare runini. Ether ya selile ifite uruhare runini mu gufata amazi, gukenera amazi, guhuriza hamwe, kudindiza no kubaka sisitemu ya minisiteri.
Hariho ubwoko bwinshi butandukanye nibisobanuro bya selile ether. Ubusanzwe ethers ya selile ikoreshwa mubikoresho byubwubatsi harimo HEC, HPMC, CMC, PAC, MHEC, nibindi, bikoreshwa muri sisitemu zitandukanye za minisiteri ukurikije imiterere yabyo. Abantu bamwe bakoze ubushakashatsi ku ngaruka zubwoko butandukanye nubunini butandukanye bwa selile ya ether kuri sisitemu ya sima. Iyi ngingo yibanze kuri iyi shingiro kandi isobanura uburyo bwo guhitamo ubwoko butandukanye nibisobanuro bya selile ya selile mubicuruzwa bitandukanye bya minisiteri.
2 Ibikorwa biranga selile ether muri sima ya sima
Nkuruvange rwingenzi mumashanyarazi yumye, selile ether ifite imirimo myinshi muri minisiteri. Uruhare runini rwa selile ya ether muri sima ya sima ni ukubika amazi no kubyimba. Byongeye kandi, kubera imikoranire yayo na sisitemu ya sima, irashobora kandi kugira uruhare rufasha mukwinjiza umwuka, kudindiza imiterere, no kunoza imbaraga zubucuti.
Imikorere yingenzi ya selile ether muri minisiteri ni ukubika amazi. Ether ya selile ikoreshwa nkibintu byingenzi bivangwa na minisiteri hafi ya byose, cyane cyane kubika amazi. Muri rusange, gufata amazi ya selile ya selile bifitanye isano nubwiza bwayo, ubwinshi bwayo nubunini buke.
Ether ya selile ikoreshwa nkibyimbye, kandi ingaruka zayo zifitanye isano na dogere ya etherification, ingano yingingo, viscosity hamwe nimpinduka ya selile ya ether. Muri rusange, urwego rwo hejuru rwa etherification hamwe nubwiza bwa selile ya ether, niko utuntu duto duto, niko bigaragara ingaruka zo kubyimba. Muguhindura ibiranga ibyavuzwe haruguru bya MC, minisiteri irashobora kugera kubikorwa bikwiye byo kurwanya anti-sagging hamwe nubwiza bwiza.
Muri ether ya selile, kwinjiza itsinda rya alkyl bigabanya ingufu zubuso bwumuti wamazi urimo selile ya selile, kugirango ether ya selile igire ingaruka kumyuka ya sima. Kwinjiza imyuka ikwiranye na minisiteri itezimbere imikorere yubwubatsi bwa minisiteri kubera "umupira wumupira" wibibyuka. Mugihe kimwe, kwinjiza umwuka mubi byongera umuvuduko wa minisiteri. Birumvikana ko ingano yo guhumeka ikirere igomba kugenzurwa. Umwuka mwinshi cyane bizagira ingaruka mbi ku mbaraga za minisiteri, kubera ko hashobora gutangizwa ibyuka byangiza ikirere.
2.1 Cellulose ether izadindiza inzira ya hydrata ya sima, bityo igabanye gahunda yo gukomera no gukomera kwa sima, no kongera igihe cyo gufungura minisiteri, ariko iyi ngaruka ntabwo ari nziza kuri minisiteri mukarere gakonje. Mugihe uhitamo selile ether, ibicuruzwa bikwiye bigomba gutoranywa ukurikije ibihe byihariye. Ingaruka zo kudindiza selile ya selile yongerewe cyane cyane no kwiyongera kurwego rwa etherification, impamyabumenyi yo guhindura no kwiyegeranya.
Byongeye kandi, selulose ether, nkibintu birebire byumunyururu wa polymer, birashobora kunoza imikorere yo guhuza hamwe na substrate nyuma yo kongerwa muri sisitemu ya sima hashingiwe kubungabungwa neza nubushuhe bwibishishwa.
2 ituze, ibikubiye mubintu bikora (umubare wongeyeho), urwego rwo gusimbuza etherification nuburinganire bwayo, urwego rwo guhindura, ibirimo ibintu byangiza, nibindi. Kubwibyo, mugihe uhisemo MC, selile ya ether hamwe na ibiranga ubwabyo bishobora gutanga imikorere ikwiye bigomba gutoranywa ukurikije ibisabwa byihariye byibicuruzwa bya minisiteri kubikorwa runaka.
3 Ibiranga selile ether
Muri rusange, amabwiriza yibicuruzwa yatanzwe nabakora selile ya ether azashyiramo ibipimo bikurikira: isura, viscosity, urwego rwo gusimbuza amatsinda, ubwiza, ibintu bifatika (ubuziranenge), ibirimo ubuhehere, ahantu hasabwa hamwe na dosiye, nibindi. Ibipimo ngenderwaho birashobora kwerekana igice cyuruhare rwa selulose ether, ariko mugihe ugereranije no guhitamo selile ya selile, ibindi bintu nkibigize imiti, impamyabumenyi yo guhindura, impamyabumenyi ya etherification, ibirimo NaCl, nagaciro ka DS nabyo bigomba gusuzumwa.
3.1 Ubusembwa bwa selile ether
Ubukonje bwa selile ya selile bigira ingaruka ku gufata amazi, kubyimba, kudindira nibindi bintu. Kubwibyo, nikimenyetso cyingenzi cyo gusuzuma no guhitamo selile ya ether.
Mbere yo kuganira ku bwiza bwa ether ya selulose, twakagombye kumenya ko hari uburyo bune bukunze gukoreshwa mugupima ubukonje bwa ether ya selile: Brookfield, Hakke, Höppler, na viscometer izunguruka. Ibikoresho, kwibanda kubisubizo hamwe nibidukikije byakoreshejwe muburyo bune buratandukanye, ibisubizo rero byumuti umwe MC byageragejwe nuburyo bune nabyo biratandukanye cyane. Ndetse kubisubizo bimwe, ukoresheje uburyo bumwe, kugerageza mubihe bitandukanye bidukikije, ubwiza
Ibisubizo nabyo biratandukanye. Kubwibyo, mugihe usobanura ubwiza bwa ether ya selile, birakenewe kwerekana uburyo bukoreshwa mugupima, kwibanda kumuti, rotor, umuvuduko ukabije, gupima ubushyuhe nubushuhe nibindi bidukikije. Agaciro ka viscosity nigiciro. Ntabwo bivuze kuvuga gusa "ni ubuhe bwenge bwa MC runaka".
3.2 Ibicuruzwa bihamye bya Cellulose Ether
Ethers ya selile izwiho kuba ishobora kwibasirwa na selile. Iyo fungus yangije selile ya selile, ibanza kwibasira igice cya glucose kitaremezwa muri selile. Nkurunani rwumurongo, iyo glucose imaze gusenywa, urunigi rwa molekile zose ziracika, kandi ibicuruzwa byijimye bizagabanuka cyane. Igice cya glucose kimaze gutangwa, ifu ntishobora kwangirika byoroshye urunigi. Kubwibyo, urwego rwo hejuru rwo gusimbuza etherification (DS agaciro) ya selile ya ether, niko guhagarara kwayo kuzaba.
3.3 Ibintu bifatika bigize selile ya ether
Iyo hejuru yibigize ibintu bifatika muri selile ya ether, niko ibiciro byigiciro cyibicuruzwa, kugirango ibisubizo byiza bigerweho hamwe na dosiye imwe. Ikintu cyiza muri selile ya selile ni selile ya selile ya selile, nikintu kama. Kubwibyo, mugihe usuzumye ibintu bifatika bya selile ether, birashobora kugaragazwa muburyo butaziguye nagaciro kivu nyuma yo kubara.
3.4 NaCl ibirimo muri selile ether
NaCl ni byanze bikunze ibicuruzwa biva mu musemburo wa selile ya selile, muri rusange bigomba gukurwaho no gukaraba inshuro nyinshi, kandi inshuro nyinshi zo gukaraba, NaCl ntigumaho. NaCl nikibazo kizwi cyane kubora kwangirika kwibyuma hamwe nicyuma cyicyuma. Kubwibyo, nubwo gutunganya imyanda yo koza NaCl inshuro nyinshi bishobora kongera igiciro, mugihe duhitamo ibicuruzwa bya MC, tugomba kugerageza uko dushoboye kugirango duhitemo ibicuruzwa birimo NaCl nkeya.
4 Amahame yo guhitamo selulose ether kubicuruzwa bitandukanye bya minisiteri
Mugihe uhitamo selile ya ether kubicuruzwa bya minisiteri, mbere ya byose, ukurikije ibisobanuro byigitabo cyibicuruzwa, hitamo ibipimo byerekana imikorere yacyo (nka viscosity, urwego rwo gusimbuza etherification, ibintu bifatika, ibirimo NaCl, nibindi) Ibiranga imikorere no guhitamo amahame
4.1 Sisitemu yoroheje
Dufashe urugero rwa plaster ya sisitemu yoroheje yo guhomeka nkurugero, kubera ko minisiteri yo guhomeka ihuza neza n’ibidukikije, ubuso butakaza amazi vuba, bityo hakaba hasabwa umuvuduko mwinshi wo gufata amazi. Cyane cyane mugihe cyubwubatsi mugihe cyizuba, birasabwa ko minisiteri ishobora kugumana neza ubushuhe mubushyuhe bwinshi. Birasabwa guhitamo MC hamwe nigipimo kinini cyo kugumana amazi, gishobora gutekerezwa muri rusange binyuze mubintu bitatu: ubwiza, ingano yingirakamaro, hamwe n’amafaranga yiyongereye. Muri rusange, mubihe bimwe, hitamo MC ifite ububobere buke, kandi urebye ibisabwa kugirango ukore, ibishishwa ntibigomba kuba hejuru cyane. Kubwibyo, MC yatoranijwe igomba kugira igipimo kinini cyo gufata amazi hamwe nubukonje buke. Mubicuruzwa bya MC, MH60001P6 nibindi birashobora gusabwa sisitemu yo guhomeka neza.
4.2 Isima ishingiye kuri sima
Gutera minisiteri bisaba uburinganire bwiza bwa minisiteri, kandi biroroshye kuyikoresha neza mugihe uhomye. Mugihe kimwe, birasaba imikorere myiza yo kurwanya-kugabanuka, ubushobozi bwo kuvoma cyane, gutembera no gukora. Kubwibyo, MC ifite ubukonje buke, gutatanya byihuse hamwe niterambere rihoraho (uduce duto) muri sima ya sima iratoranijwe.
Mu iyubakwa rya tile, kugira ngo umutekano urusheho kugenda neza, birasabwa cyane cyane ko minisiteri ifite igihe kirekire cyo gufungura no gukora neza anti-slide, kandi icyarimwe bisaba isano myiza hagati ya substrate na tile . Kubwibyo, amatafari ya tile afite ibyangombwa bisabwa kuri MC. Nyamara, MC muri rusange ifite ibintu byinshi ugereranije mubifata neza. Iyo uhisemo MC, kugirango wuzuze ibisabwa igihe kinini cyo gufungura, MC ubwayo igomba kuba ifite igipimo kinini cyo gufata amazi, kandi igipimo cyo gufata amazi gisaba ubukonje bukwiye, umubare wongeyeho nubunini buke. Kugirango uhuze imikorere myiza yo kurwanya kunyerera, ingaruka zo kubyimba kwa MC ni nziza, kuburyo minisiteri ifite imbaraga zo guhangana na vertical vertical flux, kandi imikorere yibyibushye ifite ibisabwa bimwe mubijyanye n'ubukonje, urugero rwa etherification nubunini buke.
4.4 Kwishyira hejuru yubutaka
Kwiyubaka-marimari ifite ibisabwa byinshi kumikorere iringaniza ya minisiteri, birakwiriye rero guhitamo ibicuruzwa bya selile-selile nkeya. Kubera ko kwishyira ukizana bisaba ko minisiteri ikozwe neza ishobora guhita iringanizwa hasi, birasabwa gutembera no kuvoma, bityo igipimo cyamazi nibintu kinini. Mu rwego rwo kwirinda kuva amaraso, MC irasabwa kugenzura uko amazi aguma hejuru kandi ikanatanga ubwiza kugirango ikumire.
4.5 Amabuye ya Masonry
Kuberako amabuye ya masonry ahura neza nubuso bwububiko, muri rusange ni inyubako yuzuye. Amabuye ya minisiteri asabwa kugira akazi gakomeye no kugumana amazi, kandi irashobora kandi kwemeza imbaraga zihuza nububiko, kunoza imikorere, no kongera imikorere. Kubwibyo, MC yatoranijwe igomba kuba ishobora gufasha minisiteri kunoza imikorere yavuzwe haruguru, kandi viscosity ya selulose ether ntigomba kuba hejuru cyane.
4.6
Kubera ko ubushyuhe bwo gutwika ubushyuhe bukoreshwa cyane cyane n'intoki, birasabwa ko MC yatoranijwe ishobora guha minisiteri gukora neza, gukora neza no gufata neza amazi. MC igomba kandi kugira ibiranga ubukonje bwinshi no guhumeka ikirere.
5 Umwanzuro
Imikorere ya selile ya ether muri sima ya sima ni ukubika amazi, kubyimba, kwinjiza ikirere, kudindiza no kunoza imbaraga zingirakamaro, nibindi.
Igihe cyo kohereza: Mutarama-30-2023