Admixture nwere mmetụta dị mma n'ịkwalite arụmọrụ nke ihe owuwu akọrọ-agwakọta ngwa agha.The redispersible latex ntụ ntụ mere nke a pụrụ iche polymer emulsion mgbe ịgba ihicha.The akpọnwụ latex ntụ ntụ bụ ụfọdụ gburugburu gburugburu 80 ~ 100mm gbakọtara ọnụ.Ihe ndị a soluble na mmiri na-etolite a anụ dispersion ubé ibu karịa mbụ emulsion ahụ, nke na-etolite a film mgbe akpịrị ịkpọ nkụ na ihicha.
Usoro mgbanwe dị iche iche na-eme ka uzuzu latex redispersible nwere ihe dị iche iche dị ka mmiri na-eguzogide mmiri, nguzogide alkali, iguzogide ihu igwe na mgbanwe.Uzuzu latex eji mee ihe na ngwa agha nwere ike imeziwanye nguzogide mmetụta, ịdịte aka, iyi nguzogide, ịdị mfe nke ihe owuwu, ike njikọta na ịdị n'otu, nguzogide ihu igwe, nguzogide friza, mgbagha mmiri, ike na-ehulata na ike mgbanwe nke ngwa agha ahụ.Ozugbo ihe simenti na-agbakwunye na mmiri latex ntụ ntụ na-ejikọta mmiri, mmeghachi omume hydration na-amalite, na calcium hydroxide ngwọta ngwa ngwa na-erute saturation na kristal na-ebuli, ma n'otu oge ahụ, a na-emepụta kristal ettringite na calcium silicate hydrate gels.A na-edobe ihe ndị siri ike na gel na akụkụ ciment na-adịghị edozi.Ka mmeghachi omume hydration na-aga n'ihu, ngwaahịa hydration na-abawanye, na ihe ndị na-emepụta polymer na-eji nwayọọ nwayọọ na-agbakọta na pores capillary, na-emepụta akwa akwa akwa akwa n'elu gel na n'elu cement na-adịghị edozi.Ihe nchịkọta polymer chịkọtara nke nta nke nta na-ejupụta pores.
Uzuzu latex na-agbanwe agbanwe nwere ike imeziwanye ihe nke ngwa agha dị ka ike mgbanwe na ike adhesion, n'ihi na ọ nwere ike ịmepụta ihe nkiri polymer n'elu akụkụ ngwa agha.Enwere pores n'elu ihe nkiri ahụ, na elu nke pores jupụtara na ngwa agha, nke na-ebelata nrụgide nrụgide.Na n'okpuru omume nke ike mpụga, ọ ga-emepụta ntụrụndụ na-enweghị imebi.Tụkwasị na nke ahụ, ngwa agha ahụ na-etolite ọkpụkpụ siri ike mgbe ciment gbasasịrị mmiri, na polymer na ọkpụkpụ ahụ nwere ọrụ nke nkwonkwo na-ebugharị, nke yiri anụ ahụ nke ahụ mmadụ.Enwere ike iji akpụkpọ ahụ nke polymer kpụrụ na nkwonkwo na nkwonkwo, iji hụ na ngbanwe na mgbanwe nke ọkpụkpụ siri ike.ike.
N'ime usoro ciment nke a na-agbanwe agbanwe nke polymer, ihe nkiri polymer na-aga n'ihu na nke zuru oke na-ejikọta ya na ciment tapawa na ájá ájá, na-eme ka ngwa ngwa dum dịkwuo mma ma dị njọ, ma n'otu oge ahụ na-eme ka netwọk na-agbanwe agbanwe site na-ejuputa capillaries na cavities.Ya mere, ihe nkiri polymer nwere ike ibunye nrụgide na nrụgide na-agbanwe nke ọma.Ihe nkiri polymer nwere ike mechie mgbawa nke mbelata na interface polymer-mortar, gwọọ mgbawa nke mbelata, ma melite ike njichi na njikọta nke ngwa agha ahụ.Ọnụnọ nke ngalaba polymer na-agbanwe nke ukwuu na nke na-agbanwe agbanwe na-eme ka mgbanwe na ngbanwe nke ngwa agha ahụ dịkwuo mma, na-enye njikọ na omume siri ike na ọkpụkpụ siri ike.Mgbe a na-etinye ike dị n'èzí, usoro mgbasa ozi microcrack na-egbu oge n'ihi mgbanwe dị mma na ngbanwe ruo mgbe a ga-enweta nrụgide dị elu.Ngalaba polymer kpara akpa na-arụkwa ọrụ dị ka ihe mgbochi na njikọta nke microcracks na-abanye n'ime oghere.Ya mere, ntụ ntụ polymer na-agbanwe agbanwe na-eme ka nrụgide ọdịda na ọdịda ọdịda nke ihe ahụ dịkwuo mma.
Oge nzipu: Mar-10-2023