Otu n'ime nnukwu ọdịiche dị n'etiti ngwa agha akọrọ na ngwa ngwa ọdịnala bụ na a na-eji obere ihe mgbakwunye kemịkal gbanwee ngwa ngwa akọrọ. Ịtinye otu ụdị mgbakwunye na ngwa agha akọrọ ka a na-akpọ mgbanwe mbụ, ịgbakwụnye ihe mgbakwunye abụọ ma ọ bụ karịa bụ mgbanwe nke abụọ. Ụdị ngwa agha akọrọ na-adabere na nhọrọ ziri ezi nke ihe mejupụtara ya na nhazi na nhazi nke ihe dị iche iche. Ihe mgbakwunye kemịkalụ dị oke ọnụ ma nwee mmetụta dị ukwuu na njirimara nke ngwa agha akọrọ. Ya mere, na nhọrọ nke mgbakwunye, ọnụ ọgụgụ nke mgbakwunye kwesịrị ịdị na mbụ. Ihe na-esonụ bụ okwu mmeghe nkenke maka nhọrọ nke ihe mgbakwunye kemịkalụ cellulose ether.
Cellulose ether makwaara dị ka rheological modifier ụdị admixture na-eji dozie rheological Njirimara nke ọhụrụ agwakọta ngwa agha, fọrọ nke nta ka eji na ụdị ọ bụla ngwa agha. Ekwesịrị iburu n'uche akụrụngwa ndị a mgbe ị na-ahọrọ ụdị dị iche iche yana ego agbakwunyere:
(1) Njide mmiri na okpomọkụ dị iche iche;
(2) ndim, viscosity;
(3) Mmekọrịta dị n'etiti nkwụsi ike na okpomọkụ, na mmetụta na-agbanwe agbanwe na ọnụnọ nke electrolyte;
(4) ụdị na ogo nke etherification;
(5) nkwalite nke thixotropy na ike ịkwado ngwa ngwa (nke dị mkpa maka ngwa agha mkpuchi na elu elu);
(6) Ọnụọgụ mgbasa, ọnọdụ na mgbasa zuru oke.
Na mgbakwunye na ịgbakwunye cellulose ether na akọrọ ngwa agha (dị ka methyl cellulose ether), nwekwara ike tinye vinyl polyvinyl acid ester, ya bụ, nke abụọ mgbanwe. Ihe nkedo inorganic na ngwa agha (ciment, gypsum) nwere ike ikwe nkwa ike mkpakọ dị elu, mana ọ na-enwe mmetụta dị nta na ike nkwụsị na ike na-ehulata. Vinyl polyvinyl ester na-ewuli ihe nkiri na-agbanwe n'ime oghere nkume ciment, mee ngwa agha nwere ike iburu ibu nrụrụ dị elu, melite nguzogide eyi. E gosiputara site n'omume na site n'itinye methyl cellulose ether dị iche iche na vinyl polyvinyl ester n'ime ngwa agha akọrọ, ihe mkpuchi oyi akwa dị mkpa, ngwa agha plasta, ngwa agha plasta a na-achọ mma, ngwa ngwa aerated nke aerated block masonry mortar na onwe-leveling ngwa agha nke agbapụtara ala nwere ike kwadebere. Ịgwakọta ihe abụọ ahụ nwere ike ọ bụghị nanị na-eme ka mma nke ngwa agha dịkwuo mma, kamakwa ọ na-eme ka arụmọrụ ụlọ dịkwuo mma.
Na ngwa bara uru, iji meziwanye arụmọrụ zuru oke, ọ dị mkpa iji ọtụtụ admixtures. Egwuregwu kacha mma n'etiti nha nha, nha nha nha kwesịrị ekwesị, nha, nwere ike site na akụkụ dị iche iche nwere mmetụta ụfọdụ iji melite arụmọrụ ngwa ngwa, mana nsonaazụ ya ngbanwe nke ngwa agha mgbe ejiri ya naanị ya nwere oke, mgbe ụfọdụ ọbụlagodi na-enwe mmetụta na-adịghị mma, dị ka otu eriri doped, na-abawanye nrapado nke ngwa agha, belata ogo stratification n'otu oge, Otú ọ dị, nke a na-echekwa mmiri na-eduga n'ụba n'otu oge. ka mbelata nke mkpakọ ike. Mgbe agbakwunyere ihe ntinye ikuku, ogo delamination ngwa ngwa na oriri mmiri nwere ike ibelata nke ukwuu, mana ike mkpakọ nke ngwa agha ga-ebelata n'ihi ọtụtụ afụ. Meziwanye ngwa agha masonry maka ịrụ ọrụ kachasị, ebe ị na-ezere mmerụ ahụ na ihe ndị ọzọ, ike nke ngwa agha masonry na-adịgide adịgide, ogo nke stratification na izute injinia chọrọ na ụkpụrụ na nkọwa teknụzụ, n'otu oge ahụ, anaghị eji lime putty, ịzọpụta ciment, nchekwa gburugburu ebe obibi, wdg, site na mbelata mmiri, viscosity, mmiri na-ekpu na ikuku-entraining, ọ dị mkpa iji mepụta ihe dị mkpa iji mepụta ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-edozi ahụ. admixtures.
Oge nzipu: Eprel-29-2022