Na latex ntụ ntụ mechara mepụta ihe nkiri polymer, na usoro nke mejupụtara inorganic na organic binder na-etolite n'ime ngwa agha a gwọrọ, ya bụ, ọkpụkpụ na-emebi emebi na nke siri ike nke ihe hydraulic mejupụtara, na ihe nkiri kpụrụ site na redispersible latex ntụ ntụ na oghere ahụ. na elu siri ike. netwọk na-agbanwe agbanwe. A na-eme ka ike nkwụsị na njikọta nke ihe nkiri polymer resin nke ntụ ntụ latex mebere. N'ihi mgbanwe nke polymer, ikike nrụrụ dị elu karịa nke nkume ciment siri ike, arụrụ ọrụ nke ngwa agha na-eme ka ọ dịkwuo mma, na mmetụta nke nrụgide na-agbasasị na-eme ka ọ dịkwuo mma, si otú ahụ na-eme ka nkwụsị mgbape nke ngwa agha ahụ dịkwuo mma. . Site na mmụba nke ọdịnaya nke ntụ ntụ latex na-agbanwe agbanwe, usoro ahụ dum na-etolite n'ihu plastik. N'ihe dị elu nke uzuzu uzuzu dị elu, usoro polymer n'ime ngwa agha a gwọrọ nke ọma na-eji nwayọọ nwayọọ gafere ngwaahịa hydration inorganic, na ngwa agha ahụ ga-enwe mgbanwe qualitative wee ghọọ elastomer, ebe ngwaahịa hydration nke ciment na-aghọ "filler". ".
A na-emeziwanye ike ike, ngbanwe, mgbanwe na njide nke ngwa agha ahụ site na ntụ ntụ latex na-emegharị emegharị. Ngwakọta nke uzuzu latex redispersible na-enye ohere ka ihe nkiri polymer (ihe nkiri latex) mepụta ma bụrụ akụkụ nke mgbidi pore, si otú ahụ na-emechi usoro porosity dị elu nke ngwa agha ahụ. Akpụkpọ anụ latex nwere usoro ịgbatị onwe ya nke na-ebute esemokwu ebe a na-agbanye ya na ngwa agha. Site na ike ndị a dị n'ime, a na-edobe ngwa agha ahụ n'ozuzu ya, si otú ahụ na-abawanye ike njikọta nke ngwa agha ahụ. Ọnụnọ nke ndị na-agbanwe agbanwe na nke ukwuu na-agbanwe agbanwe na-eme ka mgbanwe na mgbanwe nke ngwa agha dịkwuo mma. Usoro maka mmụba nke nrụgide mkpụrụ na ike ọdịda bụ nke a: mgbe a na-etinye ike, microcracks na-egbu oge ruo mgbe a ga-enwe nrụgide dị elu n'ihi mgbanwe dị mma na ngbanwe. Na mgbakwunye, ngalaba polymer kpara akpa na-egbochikwa njikọta nke microcracks n'ime oghere mgbape. Ya mere, ntụ ntụ polymer na-agbanwe agbanwe na-eme ka nrụgide ọdịda na ọdịda ọdịda nke ihe ahụ dịkwuo mma.
Ihe nkiri polymer dị na ụrọ gbanwetụrụ polymer nwere mmetụta dị oke mkpa na ngwa agha siri ike. Uzuzu latex a na-emegharị emegharị na-ekesa na interface ahụ na-arụ ọrụ ọzọ dị mkpa mgbe a gbasasịrị ya na ịmepụta ihe nkiri, nke bụ ime ka adhesion na ihe ndị a kpọtụrụ aha. Na microstructure nke ntụ ntụ polymer gbanwetụrụ taịlị bonding ngwa agha na tile interface, ihe nkiri ahụ nke polymer guzobere na-etolite akwa dị n'etiti taịlị vitrified nke nwere oke mmiri dị ala na matrix ciment ngwa agha. Mpaghara kọntaktị dị n'etiti ihe abụọ dị iche iche bụ ebe dị oke egwu maka mbelata mgbawa na-eduga na nkwụsị nke njikọta. Ya mere, ikike nke ihe nkiri latex iji gwọọ mkpọnwụ nke mgbawa dị oke mkpa maka nrapado tile.
Oge nzipu: Eprel-10-2023