Izithasiselo zikakhonkolo ezingasindi | Ama-ejenti Akhipha Amagwebu Asebenza Kakhulu Wokhonkolo Weselula
Iqiniso Elingachazwa Ngayo “Kuyavumelana nezimo” Izinsimbi zokwakha
Kuphelile 70% imifantu yomugqa wezinwele ngaphandle ukwahlukanisa izinhlelo (I-EIFS) futhi ukufakwa kwamathayela akubangelwa ukungalungi kahle kwe-substrate kodwa ngenxa yokwakheka kodaka oluqinile. Lesi silinganiselo sokwehluleka esishaqisayo sinonjiniyela nabakhi abahlaziya kabusha isengezo sabo esiyinhloko: i-polymer powder ehlakazeka kabusha (I-RDP). Impendulo ayikho kuRDP ejwayelekile, kodwa ngendlela ehlukile eyenzelwe indawo eyodwa ngaphezu kwazo zonke ezinye: nokunwebeka okuphezulu.
Iyini i-High Elasticity Redispersible Polymer Powder?
Impushana yepolymer enwebekayo ephezulu futhi ehlakazeka (I-HERP) iyi-free-flowing, i-copolymer powder eyomisiwe, ngokuvamile isekelwe kuVinyl Acetate-Ethylene (IZINYAWO) noma izisekelo ezifanayo ze-polymer eziguquguqukayo. Uma wengezwa emanzini ngesikhathi sokuxuba udaka, yona ihlakaza kabusha ibe emulsion ye-polymer ezinzile. Phezu kokwelapha nokumiswa, lokhu emulsion amafomu okuqhubekayo, ifilimu ye-polymer enwebeka kakhulu ehlangana nama-hydrates usimende nama-mineral fillers. Le filimu isebenza njenge-dynamic, inethiwekhi emunca ukucindezeleka ngaphakathi kwe-matrix yodaka oluqinile.
Imisebenzi Esemqoka kanye Nendlela Yekhemikhali
Umsebenzi oyinhloko we-HERP ukunikeza ukuguquguquka okukhethekile nekhono lokuguquguquka kwezinye izinhlelo zikasimende eziphukayo.. Ngamakhemikhali, ama-molecule amaketango amade e-polymer anezingxenye eziguquguqukayo (njenge-ethylene) hlinzeka i “njengentwasahlobo” isenzo. Lokhu kuyanwebeka kuvumela udaka ukuthi lukwazi ukumelana nokucindezeleka kwemishini, ukwanda/ukufinyela okushisayo, kanye nokunyakaza okuncane kwe-substrate ngaphandle kokuthuthukisa ama-microcracks.
Izakhiwo Ezibalulekile Nezinzuzo Zobuchwepheshe
I-HERP ishintsha ukusebenza kodaka. Ithuthukisa ngokuphawulekayo ukunamathela, ngisho nama-substrates anzima, ngokwakha ibhuloho le-polymer elihlangene. Ithuthukisa ukugcinwa kwamanzi, ukupha usimende isikhathi esengeziwe sokukhipha amanzi ngokugcwele, okwandisa amandla okugcina. Ngokugxeka kakhulu, ifilimu enwebekayo ithuthukisa ngokuphawulekayo ukumelana nomthelela kanye nokuqina kwesikhathi eside ngaphansi kwengcindezi ye-cyclic.
I-High Elasticity RDP vs. I-RDP evamile: Ukuqhathanisa Okubalulekile
| Impahla | High Elasticity RDP | I-RDP evamile (Iqinile) |
|---|---|---|
| Isisekelo sePolymer Backbone | I-VAE enokuqukethwe okuphezulu kwe-ethylene/acrylate | I-VAE enokuqukethwe okuphezulu kwe-acetate ye-vinyl |
| Umlingisi Wefilimu | Ithambile, enwebeka kakhulu, efana nerabha | Kunzima, brittle, njengengilazi |
| Umnikelo Obalulekile | I-Dynamic crack bridging, ukuqedwa kokucindezeleka | Ukuthuthukisa ukubumbana nokunamathela okuyisisekelo |
| Uhlelo lokusebenza olulungile | Amasistimu angaphandle, izindawo ezijwayele ukunyakaza | Ngaphakathi, ukuhlanganisa okungabalulekile |
| Amandla Wokuguqulwa | Phezulu (ingadlula 300% ubude) | Phansi |
Izicelo Eziyinhloko Ekwakhiweni Kwesimanje
I-HERP ayisona isithasiselo senhloso evamile. Icaciswe ezimweni lapho ukunyakaza nokucindezeleka kuqinisekisiwe. Indima yayo ibalulekile ezinhlelweni eziningi ezithuthukile.
1. I-Insulation yangaphandle kanye nezinhlelo zokuqeda (I-EIFS)
Lolu uhlelo lokusebenza oludinga kakhulu. Ezacile, ijazi lokuqeda i-polymeric ngaphezulu ukwahlukanisa amabhodi ahlangabezana nokushintshashintsha kwezinga lokushisa okubanzi kanye nemithwalo yomoya. I-HERP yiyona ingxenye engaxoxiswana nayo lokho kuvimbela abangadumile “craze cracking” futhi iqinisekisa ukuthi uhlelo luhlala lungenamanzi futhi luqinile amashumi eminyaka. Impendulo yomphakathi evela kubafaki bezicelo abangochwepheshe kumaforamu afana ne-Reddit ivamise ukugqamisa: “Ukushintshela kumpushana enwebeka kakhulu kwakuyisici esisodwa esikhulu ekuqedeni ukushayeka emuva kokuqhekeka kwezinwele emisebenzini yethu ye-EIFS.”
2. Izinamatheliso Zamathayela Eziguquguqukayo kanye namaGrouts
Amathayela anefomethi enkulu, izitezi ezishisayo, kanye nama-subfloors okhuni wonke ahamba. I-adhesive eqinile izohluleka. I-HERP inikeza i okudingekayo ikhono le-deformation, okuvumela ungqimba olunamathelayo ukuthi lumunce lezi zingcindezi ngaphandle kokuludlulisela kuthayela, ukuvimbela i-delamination kanye nokuqhekeka.
3. Izithako Zokulevelina Kwe-Crack-Bridging & AmaMembrane Okuvikela Amanzi
Okwezingubo zangaphansi ezizilinganisa ngokwakho (I-SLU) phezu kukakhonkolo oqhekekile noma ama-slabs aluhlaza, I-HERP ivumela i-compound ukuthi ibekezelele ukunyakaza kwe-substrate okuqhubekayo. Kumalwelwesi okuvikela amanzi ohlobo lwe-slurry, ifilimu enwebekayo iqinisekisa ukuthi ukunamathela kuhlala kuqinile noma ngabe i-substrate kakhonkolo iba nemifantu emincane yokuncipha..
Ukwakhiwa Okusebenzayo Nesiqondiso Sokusetshenziswa
Ukumane ungeze i-HERP kumxube akwanele. Ukwakhiwa okufanele kuyisihluthulelo sokuvula izinzuzo zakhona.
Umthamo Ubalulekile: Umthamo ojwayelekile usukela 1.5% ku 4.0% ngesisindo sikasimende. Okwamajazi ayisisekelo e-EIFS asebenza kahle kakhulu, umthamo ngokuvamile ufinyelela umkhawulo ophezulu. Okuncane kakhulu kunikeza ukunwebeka okunganele; okuningi kungabambezela ngokweqile ukulungiselelwa futhi kunciphise amandla acindezelayo.
I-synergy ne-Cellulose Ethers: I-HERP isebenza ngekhonsathi nama-thickeners afana ne-hydroxyethyl cellulose (I-HEC) noma i-methyl cellulose (MC). I-cellulose ether ihlinzeka ngokugcinwa kwamanzi nokusebenza, kuyilapho i-HERP inikeza ifilimu yokugcina yokunwebeka. Ayaphelelisana, hhayi esikhundleni.
Izimfuneko Zokuxuba: Impushana kumele yengezwe kungxube eyomile kuqala. Qinisekisa ukuthi ukuhlanganisa okomile ngokuphelele nosimende nezithako ngaphambi kokungeza amanzi. Lokhu kuqinisekisa ukuhlakazeka kabusha futhi kuvimbela ukwakheka kwezigaxa ze-polymer ezifana nejeli.
Umugqa Ophansi Wonjiniyela Nabaqulunqi
I-high elasticity redispersible polymer powder iyisixazululo esiqondile sezinsimbi okufanele zinyakaze, goba, futhi ugobe ngaphandle kokuphuka. Ithuthukisa ukwakheka kusuka kokunamathelayo kuye kweqiniso ukuhlalisa. Uma iphrojekthi yakho ibandakanya ukumbozwa kwangaphandle, amathayili kuma-substrates ashukumisayo, noma izimfuneko ze-crack-bridging, i-RDP ejwayelekile iwukuvumelana. I-HERP iyimpendulo eyenziwe ngobunjiniyela.
Imininingwane yemboni icacile. Impendulo yomsebenzisi iyahambisana. Ubuchwepheshe bufakazelwe. Ukuze uthole ukuqina kweleveli elandelayo futhi ususe amaphuzu okuhluleka okuguquguqukayo ezinhlelweni zakho zodaka, kufanele ucacise futhi wenze nge-elasticity polymer powder.
Ukulungele Ukuxazulula Izinselele Zakho Ezivumelana Nezimo?
Ungavumeli ukwakheka okuqinile kukhawulele amaphrojekthi akho futhi umeme ukwehluleka kokusebenza. Okwabaklami bezakhiwo nonjiniyela abacacisa amasistimu we-facade ethuthukisiwe, funa udaka olusekelwe ku-HERP kubahlinzeki bakho. Okwabakhiqizi nabaphathi bezobuchwepheshe, indlela eya phambili iqondile: Cela idatha yedatha yobuchwepheshe namasampula empushana ye-polymer yangempela ene-elasticity redispersible namuhla. Yihlole ngokumelene nempushana yakho evamile yamanje ekuhlolweni kokunamathela okuguquguqukayo. Bona futhi uzwe umehluko ku-elasticity. Izicelo zakho ezifuna kakhulu azidingi okuncane.
Umphakeli
I-ConcreteAndMore ingumphakeli othembekile womhlaba wonke wezixube zikakhonkolo ezisebenza kahle kakhulu namakhemikhali okwakha.. Ngeminyaka yobungcweti bemboni, sisebenza ngokukhethekile ekuhlinzekeni izixazululo ezintsha ezihlanganisa i-polycarboxylate superplasticizers, imicu kakhonkolo, ama-defoams, amagwebu, kanye nemikhiqizo ye-airgel ethuthukisiwe yokushisa ukushisa. Uma unentshisekelo ku-concrete admixture, sicela ukhululeke ukuxhumana nathi!