Uzuzu latex na-agbanwe agbanwe bụ ihe a na-ejikarị gelling organic, nke enwere ike ịgbasa ya ọzọ n'ime mmiri ka ọ bụrụ emulsion mgbe ya na mmiri metụrụ ya.Ịtinye uzuzu latex na-agbanwe agbanwe nwere ike melite arụmọrụ mmiri simenti agwakọtara ọhụrụ, yana ịrụ ọrụ njikọ, mgbanwe, enweghị ike na mgbochi corrosion nke ngwa ngwa ciment siri ike.Uzuzu latex na-agbanwe agbanwe agbanwe na mịlị nke usoro ahụ na steeti agwakọta mmiri, a na-emezi njikọ ahụ site n'ịgbakwunye ntụ ntụ latex.Mgbe ihichachara, ọ na-enye akwa oyi akwa dị larịị na nke siri ike na ike jikọtara ọnụ, ma na-eme ka mmetụta interface nke ájá, gravel na pores dịkwuo mma., Na-eme ka ọ dịkwuo mma n'ime ihe nkiri na ntanetị, nke na-eme ka ihe na-agbanwe agbanwe, na-ebelata modul na-agbanwe agbanwe, na-etinye nrụgide nrụrụ okpomọkụ ruo n'ókè dị ukwuu, ma nwee mmiri na-eguzogide mmiri n'oge na-esote, na ebe nchekwa okpomọkụ na nrụrụ ihe adịghị ekwekọ.
Ịmepụta ihe nkiri polymer na-aga n'ihu dị oke mkpa maka ịrụ ọrụ nke ụrọ ciment gbanwere polymer.N'oge nhazi na usoro siri ike nke ciment ciment, a ga-emepụta ọtụtụ oghere n'ime, nke na-aghọ akụkụ na-adịghị ike nke ciment.Mgbe agbakwunyere uzuzu latex redispersible, ntụ ntụ latex ga-agbasa ozugbo n'ime emulsion mgbe ọ zutere mmiri, wee gbakọta na mpaghara mmiri bara ụba (ya bụ, n'ime oghere).Ka tapawa simenti na-esetịpụ ma na-esiwanye ike, mmegharị nke ihe ndị ahụ polymer na-amachibidoro, na esemokwu dị n'etiti mmiri na ikuku na-amanye ha iji nwayọọ nwayọọ kwekọọ.Mgbe ihe ndị ahụ polymer batara na ibe ha, netwọk mmiri na-ekpochapụ site na capillaries, na polymer na-emepụta ihe nkiri na-aga n'ihu na gburugburu oghere ahụ, na-ewusi ebe ndị a na-adịghị ike ike.N'oge a, ihe nkiri polymer nwere ike ọ bụghị nanị na-arụ ọrụ hydrophobic, ma ọ bụghịkwa igbochi capillary, nke mere na ihe ahụ nwere ezigbo hydrophobicity na ikuku permeability.
Ngwa ngwa ciment na-enweghị polymer na-ejikọta ọnụ.N'ụzọ megidere nke ahụ, ụrọ ciment gbanwere polymer na-eme ka ngwa agha ahụ dum nwee njikọ chiri anya n'ihi ịdị adị nke ihe nkiri polymer, si otú a na-enweta ihe ndị dị mma na-arụ ọrụ na mmegide ihu igwe.Na latex ntụ ntụ gbanwetụrụ ngwa ngwa ciment, na latex ntụ ntụ ga-amụba porosity nke ciment mado, ma belata porosity nke interface mgbanwe mpaghara n'etiti ciment mado na mkpokọta, n'ihi na mkpokọta porosity nke ngwa agha bụ isi agbanweghị.Mgbe latex ntụ ntụ na-etolite na fim, ọ nwere ike mma igbochi pores na ngwa agha, na-eme ka Ọdịdị nke interface mgbanwe mpaghara n'etiti ciment mado na mkpokọta ọzọ ok, na permeability-eguzogide nke latex ntụ ntụ gbanwetụrụ ngwa agha na-mma na mma. , na ike iguzogide mbibi nke mgbasa ozi na-emerụ ahụ na-abawanye.Ọ na-enwe mmetụta dị mma n'ịkwalite ịdịte aka nke ngwa agha.
Oge nzipu: Mar-14-2023