EPS granular thermal insulation mortar ni ibikoresho byoroshye byo gukingira ubushyuhe bivanze n'ibifunga bidafite umwimerere, ibifunga by'umwimerere, ibivange, inyongeramusaruro n'ibice byoroheje mu rugero runaka. Mu bifunga bya EPS granular thermal insulation mortars ubu byakoreweho ubushakashatsi kandi bikoreshwa, bishobora kongera gukoreshwa. Ifu ya latex itatanye igira ingaruka zikomeye ku mikorere ya mortars kandi ifite igipimo kinini mu giciro, bityo ikaba ari yo yabaye intego y'abantu. Imikorere yo guhuza ya sisitemu yo gukingira ibice bya EPS particle insulation mortar ituruka ahanini kuri polymer binder, kandi imiterere yayo ahanini ni vinyl acetate/ethylene copolymer. Ifu ya latex isubiramo ishobora kuboneka hakoreshejwe spray yumisha ubwo bwoko bwa polymer emulsion. Bitewe no gutegura neza, gutwara neza no kubika byoroshye ifu ya latex isubiramo mu bwubatsi, ifu yihariye ya latex idafite ubwiza yabaye icyerekezo cy'iterambere bitewe no gutegura neza, gutwara neza no kubika byoroshye. Imikorere ya mortar ya EPS particle insulation mortar iterwa ahanini n'ubwoko n'ingano ya polymer ikoreshwa. Ifu ya ethylene-vinyl acetate latexr (EVA) ifite ethylene nyinshi hamwe n'agaciro ka Tg nke (ubushyuhe bw'ikirahure) ifite imikorere myiza mu bijyanye n'imbaraga z'ingaruka, imbaraga z'imibanire n'ubudahangarwa bw'amazi.
Gukoresha ifu ya latex mu gutunganya imikorere ya mortilage biterwa nuko ifu ya latex ari polymer ifite molekile nyinshi hamwe n'amatsinda ya polar. Iyo ifu ya latex ivanze n'uduce twa EPS, igice kitari polar mu muyoboro mukuru wa polymer ya latex ifu izahinduka bitewe n'ubuso butari polar bwa EPS. Amatsinda ya polar muri polymer areba inyuma ku buso bw'uduce twa EPS, bityo uduce twa EPS duhinduka kuva kuri hydrophobicity tukajya kuri hydrophilicity. Bitewe no guhindura ubuso bw'uduce twa EPS hakoreshejwe ifu ya latex, bikemurira ikibazo cy'uko uduce twa EPS dushobora guhura n'amazi byoroshye. Kureremba, ikibazo cyo gukurura mortilage nini. Muri iki gihe, iyo sima yongewemo kandi ikavangwa, uduce twa polar twinjijwe ku buso bw'uduce twa EPS dukorana n'uduce twa sima kandi tugahuza neza, bityo ubushobozi bwo gukora bwa mortilage ya EPS burushaho kuba bwiza cyane. Ibi bigaragazwa n'uko uduce twa EPS tworoshye gutoswa na sima, kandi imbaraga zo guhuza hagati yabyo zirarushaho kwiyongera cyane.
Ifu ya emulsion na latex ishobora guhindurwa ishobora gukora imbaraga nyinshi zo gukurura no gukomera ku bikoresho bitandukanye nyuma yo gukora firime, ikoreshwa nk'icyuma cya kabiri gifunga mu gishishwa kugira ngo gihuzwe na sima, sima na polimeri bidahinduka. Bitanga imbaraga zijyanye kugira ngo hongerwe imikorere ya sima. Mu kwitegereza imiterere y'ibikoresho bya polimeri-simenti, bikekwa ko kongeramo ifu ya latex ishobora guhindurwa bishobora gutuma polime iba firime kandi ikaba igice cy'urukuta rw'umwobo, kandi bigatuma sima iba yose binyuze mu mbaraga z'imbere, ibyo bikanoza imbaraga z'imbere za sima. Imbaraga za polime, bityo bikanoza imbaraga za sima kandi bikongera imbaraga za nyuma. Kugira ngo higwe imikorere y'igihe kirekire ya latex ishobora guhindurwa mu gishishwa, SEM yasanze nyuma y'imyaka 10, imiterere ya polime iri muri sima itarahinduka, ikomeza gufatana neza, gukomera no gukanda kandi irinda amazi neza. Uburyo bwo gukora imbaraga za kole y'amatafari bwizwe ku ifu ya latex ishobora kongera gushonga, maze bigaragazwa ko nyuma yuko polymer yumishijwe ihinduka firime, firime ya polymer yashyizeho isano yoroshye hagati ya mortiweri n'amatafari ku ruhande rumwe, naho ku rundi ruhande, polimeri iri muri mortiweri yongera umwuka uri muri mortiweri kandi ikagira ingaruka ku miterere n'ubushuhe bw'ubuso, kandi nyuma yaho mu gihe cyo gushyiraho polimeri nayo igira ingaruka nziza ku mikorere y'amazi no kugabanuka kwa sima mu gifunga, Ibi byose bizafasha kunoza imbaraga z'imifatanire.
Kongeramo ifu ya latex ishobora gushonga mu gishishwa bishobora kongera imbaraga zo gufatanya n'ibindi bikoresho, kuko ifu ya latex ikunda gushonga n'igice cy'amazi cya sima byinjira mu myenge no mu miyoboro y'amaraso ya matrix, naho ifu ya latex ikinjira mu myenge no mu miyoboro y'amaraso. Urushundura rw'imbere rurakorwa kandi rugahambirwa neza ku buso bw'icyuma, bityo bigatuma habaho imbaraga nziza zo gufatanya hagati y'ibikoresho bitera sima n'icyuma.
Igihe cyo kohereza: Werurwe-09-2023