Polima ntụ ntụ na-ekesa ọzọbụ emulsions nke a mịrị amị nke, mgbe agwakọta ya na mmiri ma ọ bụ mmiri n'ime ngwa agha, na-etolite ụdị mgbasa siri ike dị ka emulsion mbụ.Na polima na-etolite a polymer netwọk Ọdịdị na ngwa agha, nke yiri polymer emulsion Njirimara na modifies ngwa agha.Njirimara nke ntụ ntụ polymer na-ekesa bụ na ntụ ntụ a nwere ike ịgbasa naanị otu ugboro, ọ gaghịkwa agbasa ọzọ mgbe ngwa agha na-aghọ mmiri ọzọ mgbe ọ gbasịrị.Ihe mepụtara nke uzuzu polymer redispersible emewo ka arụmọrụ nke ngwa ngwa ntụ ntụ akọrọ dịkwuo mma.N'ime ngwa agha njikọ maka ogwe ihe ịchọ mma, enwere ihe ndị ọzọ a chọrọ maka ọnụọgụ polymer latex ntụ ntụ redispersible.Ihe mgbakwunye ya na-eme ka ike na-agbanwe agbanwe, nkwụsị mgbawa, ike nkedo, nkwụ na ike nke ngwa agha, nke enwere ike izere.Mbelata ngwa agha na mgbawa nwekwara ike ibelata ọkpụrụkpụ nke oyi akwa njikọ.Polima latex ntụ ntụ nwere ike imeziwanye ihe ndị dị n'elu nke ngwa agha n'ihi na ọ nwere ike ịmepụta ihe nkiri polymer n'elu akụkụ ngwa agha ahụ.Enwere pores n'elu ihe nkiri ahụ, na elu nke pores jupụtara na ngwa agha, nke na-ebelata nrụgide nrụgide ma na-ebelata ike mpụga.N'okpuru omume ahụ ga-emepụta ntụrụndụ na-enweghị mmebi.Na mgbakwunye, ngwa agha ahụ na-etolite ọkpụkpụ siri ike mgbe hydration ciment gasịrị, ihe nkiri a na-emepụta site na polymer nwere ike imeziwanye ike na ike nke ọkpụkpụ siri ike, na polymer latex ntụ ntụ na-agbanwe agbanwe nwekwara ike imeziwanye ike ike nke ngwa agha ahụ.
Mmetụta mmanye mmanye dị n'etiti ihe ndị a na-emegharị na-eme ka ihe ndị dị na ngwa agha na-asọpụta n'adabereghị.N'otu oge ahụ, ọ nwere mmetụta inductive na ikuku, na-enye mkpakọ ngwa ngwa, n'ihi ya, ọ nwere ike imeziwanye ihe owuwu na ịrụ ọrụ nke ngwa agha.Ike mkpakọ nke ụrọ polymer na-ebelata site na mmụba nke ọdịnaya nke ntụ ntụ roba, ike na-agbanwe agbanwe na-abawanye site na mmụba nke ọdịnaya nke ntụ ntụ roba, na mkpakọ-mpịakọta ọnụ na-egosi ọnọdụ ala.
Nnwale ahụ na-egosi na uzuzu latex na-emegharị nwere ike gbanwee ngwa agha ahụ ma nwee ike imeziwanye mgbanwe nke ngwa agha ahụ.Resin polymer resin na-agbanwe agbanwe nwere ike imeziwanye ike ngbanwe nke ngwa agha, ọkachasị ike mgbanwe ngwa ngwa nke ngwa agha.Polymer na-achịkọta n'ime oghere capillary nke ngwa agha siri ike ma na-arụ ọrụ dịka nkwado.Mgbakwunye nke powders polima na-ekesa nwere ike imeziwanye ike nke ngwa ngwa, ọkachasị mgbe ị na-ejikọta ihe dị iche iche, dịka maka ịrapara taịlị seramiiki.Site na mmụba nke ntụ ntụ roba, ike na-agbanwe agbanwe na ike nrapado na-abawanye.
Ịgbakwunye polymer ntụ ntụ redispersible nwere ike imeziwanye mgbanwe dị n'ime ya na nguzogide nrụrụ nke ihe ahụ, ya mere ọ na-enye aka na ike mgbanwe na ike njikọ nke ihe.Mgbe agbakwunyere polymer na matriks ciment, ike nkwụsị ahụ ga-eme ka ọ dịkwuo mma.N'oge usoro siri ike nke ciment, a ga-enwe ọtụtụ oghere n'ime.Oghere ndị a jupụtara na mmiri na mmalite.Mgbe a gwọrọ ciment ma kpoo ya, akụkụ ndị a na-aghọ oghere.A na-ewerekarị na oghere ndị a bụ ebe adịghị ike nke matriks ciment.akụkụ.Mgbe uzuzu polymer redispersible dị na usoro ciment, ntụ ntụ ndị a ga-agbasa ozugbo ma tinye uche na mpaghara mmiri bara ụba, ya bụ, n'ime oghere ndị a.Mgbe mmiri tachara.polymer na-emepụta ihe nkiri gburugburu oghere ndị ahụ, si otú ahụ na-ewusi ebe ndị a na-adịghị ike ike.Ya bụ, ịgbakwụnye obere uzuzu uzuzu latex nwere ike imeziwanye ike nkekọ.
Oge nzipu: Ọktoba 25-2022