Na ngwa agha, redispersible polymer ntụ ntụ nwere ike imeziwanye njirimara ihe owuwu injinia nke ntụ ntụ rọba, meziwanye fluidity nke ntụ ntụ roba, meziwanye nguzogide thixotropy na sag, melite ike cohesive nke roba ntụ ntụ, meziwanye mmiri-solubility, na ịbawanye oge mgbe emepere ya. na n'èzí ụwa. n'etiti. Mgbe ụrọ simenti akpọnwụsịrị ma sie ike, ọ nwere ike ịbawanye ike mkpakọ, mee ka ike dị ike, belata ihe na-agbanwe agbanwe, ma melite nkọwa. redispersible polymer ntụ ntụ nwere ezigbo ihe nkiri na-akpụ adhesion, na ngwa ya nwere ike ịhụ na-ewu na ịchọ mma oru ngo.
Ihe nkiri latex resin rubber powder nwere ihe na-adọta onwe ya, nke nwere ike ịhapụ ike nkwado na nkwonkwo na arịlịka ciment ngwa agha. Dị ka ike dị n'ime a si dị, a na-edobe ụrọ ciment n'ozuzu ya na njikọta nke otu ciment mortar na-eme ka mma. Ịdị adị nke polymer na-agbanwe dị elu na-eme ka ductility na ductility nke ngwa ngwa ciment dịkwuo mma. Ụkpụrụ nke ịba ụba nke nrụgide mkpụrụ na ike mkpakọ na-adịghị arụ ọrụ bụ ndị a: Mgbe a na-ahapụ ike ahụ, micro-cracks ga-egbu oge ruo mgbe nrụgide dị n'ime ya gbasaa n'ihi mmụba nke ductility na ductility. Na mgbakwunye na nke a, mpaghara polymer interlaced na-enwekwa mmetụta mgbochi na micro-cracks jikọtara site na mgbawa. Ya mere, ntụ ntụ latex eke achụsasịrị nwere ike ime ka nrụgide na-adịghị arụ ọrụ na adịghị arụ ọrụ nke akụrụngwa. Ihe nkiri polymer dị na ngwa ngwa simenti gbanwetụrụ polymer bụ nnukwu ihe ize ndụ nye ngwa simenti siri ike. Mgbasa nke powders polymer na-ekesa na-arụ ọrụ ọzọ na-eduga na ibe ahụ, nke bụ imeziwanye nrapado nke akụrụngwa na kọntaktị.
Ihe ka ukwuu n'ime ntụ ntụ polymer na-agbasasị nke ndị mmadụ na-ahụkarị na-ewu na-acha ọcha, ọ bụ ezie na ụfọdụ ndo ndị ọzọ nwere ike ịpụta. Ngwakọta nke redispersible latex ntụ ntụ bụ tumadi mejupụtara nnukwu polymer epoxy resin preservative (ime na mpụga) mmezi colloid ngwọta na ndị na-eguzogide ọgwụ. N'ime ha, elu polymer epoxy resin dị na isi ọnọdụ nke rubber powder particles na bụ isi akụrụngwa nke dispersible polymer ntụ ntụ.
Na-ekesa polymer ntụ ntụ adịghị mkpa mgbata mmiri na nchekwa na njem, nke nwere ike ịzọpụta njem na-eri nke engineering ụlọ modul na-eme ka njem adaba na ngwa ngwa. Uzuzu uzuzu eke na-agbanwe agbanwe nke ụlọ ọrụ ciment mortar rụpụtara nwere ogologo ndụ dị ogologo ma nwee ike ịchekwa ya ogologo oge na-enweghị ichegbu onwe ya maka oyi na-ekpo ọkụ dị ala na nchekwa dị mma. Akpa ọ bụla nke ntụ ntụ polymer na-ekesa dị ntakịrị na olu, dị arọ na ịdị mfe iji.
Oge nzipu: Ọktoba 24-2022