Ozugbo etinyere ihe eji eme ihe ciment na mbugharị mmiri nke mbubreyo, mmeghachi omume na-amalite, na nke crystals na contim na calters na calrime dị nkọ na call. A na-edebe ihe ndị siri ike na gel na ciment na-enweghị isi. Dị ka hyderation mmeghachi omume hydration na-eme, a na-eji nwayọọ nwayọọ na-abawanye, na-eji nwayọọ nwayọọ na-eji nwayọọ nwayọọ na-etolite na gel na-enweghị atụ.
Polmụ ọkụ na-achịkwa polymen nke nta nke nta jupụta pores, ma ọ bụghị kpamkpam na olulu dị n'ime. Dika miri belata site na hyder ma ọ bụ ihicha polymer na gel na nke a na-aga n'ihu na-aga n'ihu na ngwakọta ngwakọta nke ngwaahịa na mkpokọta. N'ihi na ngwaahịa hyndars nwere polymers na-etolite mkpuchi mkpuchi na interface, ọ nwere ike imetụta uto nke ettrite na calrium hildroxide calrium carium; Ma n'ihi na polymers na-akwado n'ime ihe nkiri dị na pores nke mpaghara ntụgharị, ihe ndị nke polymer ciment na mpaghara ntụgharị bụ donser. Otu ndị nọ n'ọrụ na ụfọdụ ụmụ irighiri ihe polymel ga-arụpụta mmeghachi omume na-ejikọ ciment, na-eme ka ihe ndị dabesị na-enweghị isi mee ihe, ma belata ọgbọ nke microsocks. Dika ihe owuwu ciment si eme, mmiri a na-eripịa ma polymen irighiri ihe na-eji nwayọọ nwayọọ na pores. Dika mmiri a na-eme ka mmiri sie ike, na polymer na-agbakọta ngwa ngwa ngwa ngwa na-ebelata, na-etolite oyi akwa na-aga n'ihu ya na ahihia ma obu nke onwe gi.
A na-achịkwa ọrụ nke Redistperpentible Satex na-achachi ọkụ na-achịkwa ihe mgbochi hydration na polymer fim. E guzobere usoro ihe mejupụtara hydration hyder na polymer fim ka emechara na usoro 4:
(1) Mgbe ntụ ntụ na-acha uhie uhie na-agwakọbara ya na ngwa agha ciment, ọ na-agbasakarị na sistemụ ahụ;
(2) A na-edobe osisi polymer n'elu nke ciment hydration ngwaahịa Gel / Enweghi ike cime ngwa ngwa;
(3) ụmụ irighiri ihe na-etolite na-aga n'ihu na kọmpat stack.
(4) N'oge ciment hydreation, polymer na-agbakọta agbakọtara n'ime ihe nkiri, jikọtara nri hydration ọnụ iji mepụta nhazi netwọkụ zuru ezu.
Emulsion nke na-acha uhie uhie na-acha uhie uhie nwere ike itolite mmiri na-aga n'ihu (ahụ polymer netwọọk) mgbe nkụ na-acha uhie uhie nwere ike ime ka arụmọrụ nke ciment; N'otu oge, na polymer molekule otu polar dị na ciment ahụ na-emepụta kemịkal na-emepụta ngwaahịa ciment na-eme ka ọ bụrụ ọgbọ nke ciment hydration, ma belata ọgbọ nke cracks. Mgbe agbakwunyere na mbubreyo mbubreyo, a na-agbakwunye ntụ ntụ, ọnya ihe nkiri mbụ nke ciment nwere ike ịmịcha ma ọ bụ kpuchie ciment na ihe dị iche iche nwere ike ịbawanye.
Ntụgharị rediresible mbubreyo mbubreyo na-arụ ọrụ dị mkpa dị ka ihe mgbakwunye na ngwa agha. A na-agbakwunye ntụ ntụ na-acha uhie uhie n'ime ngwa agha ahụ nwere ike ịkwadebe ngwa agha dị iche iche ngwa agha dị ka tile, ngwa agha, nke na-eme ihe eji achọ mma, na-eme ka ọ bụrụ ihe mgbochi mmiri, wdg na ngwa arụmọrụ nke ngwa agha. N'ezie, enwere nsogbu mmegharị n'etiti Redispersible Latex ntụ ntụ na ciment, na-agba ume ma na-agwa okwu, nke a ga-enye anya na ngwa ndị akọwapụtara.
Oge post: Mar-14-2023