Izongezo zeConcrete eziKhala | Ii-Agents eziFoaming eziSebenza ngokuPhezulu kwiSellula Concrete
Ngaba ukhe wajonga a zobugcisa Iphepha ledatha ye-RDP powder kwaye waziva ubhidekile ngakumbi kunokuba wawuqala? AWUKHO wedwa. Amanani obushushu botshintsho lweglasi, ubuncinane bobushushu bokwenza ifilimu, kwaye ukomelela okubambelelayo kunokujongeka njengolwimi lwasemzini. Ukufundwa okungalunganga apha kuthetha ibhetshi engaphumeleliyo yokuncamathelisa i-tile okanye i-self-leveling underlayment eqhekekileyo. Oko kubiza imali. Kudla ixesha. Kulonakalisa igama lakho.
Ndichithe iminyaka engaphezu kwamashumi amabini kolu shishino. Ndibabonile abaqulunqi abaphambili besoyika ngaphezulu kwepesenti enye yedosi. Ndikwabone abaqalayo befunda iphepha ledatha ngokuchanekileyo kwizame zabo zokuqala kwaye benze udaka olugqibeleleyo. Esi sikhokelo sesakho. Siza kuhamba kuwo wonke umgca obalulekileyo weRDP umgubo umenzi wephepha ledatha yobugcisa, Inyathelo nenyathelo. Ekugqibeleni, uya kwenza ukuzithemba, izigqibo ezinolwazi kuqulunqo lwakho.
Yintoni kanye kanye i-RDP Powder kwaye kutheni i-Data Sheet ibalulekile?
Ipolymer enokuphinda ihlakazwe umgubo (iRDP) sisithako esiyimfihlo kwiidaka zanamhlanje zomxube owomileyo. Yintlaka ye-polymer ye-thermoplastic, ngokwesiko vinyl acetate ethylene (INYAWO). Umvelisi utshiza-yomisa ibe ngumgubo ocolekileyo. Xa uyixuba namanzi kudaka lwakho, iphinda ‘isasazeke’ ubuyele kwi-latex. Le filimu ye-latex yomeleza udaka lwakho, kuphucula ukubambelela kwii-substrates ezinzima, kwaye kwandisa ukuguquguquka.
Iphepha ledatha yezobugcisa lisithembiso somenzi malunga yintoni eya kwenziwa ngulo mgubo. Ukungayinanzi kufana nokubhabha inqwelomoya ngaphandle kwezixhobo. Masifunde ukuzifunda.
1. Qala ngeZiseko: Uhlobo lwePolymer kunye neFomu yoMzimba
Inyathelo 1: Chonga i ipholima umqolo. Khangela usapho lwekhemikhali. Uninzi lwee-RDPs zi-VAE (IVinyl Acetate Ethylene). Abanye basebenzisa i-Acrylics okanye iVinyl Versatate (Uyazi). Uhlobo lwepolymer luchaza iimpawu zesiseko. I-VAE inikezela ngolungelelwaniso olukhulu lokubambelela kunye nokuguquguquka kulwakhiwo jikelele. I-Acrylics ibonelela ngcono ukuchasana kwe-UV kwiinkqubo zangaphandle. Iphepha ledatha liya kuhlala lichaza oku 'kwiNkcazelo yeMveliso’ icandelo.
Inyathelo 2: Jonga inkangeleko yomzimba. Kufuneka ichaze ukuba 'mhlophe ukuya kumhlophe ngaphandle komgubo okhululekileyo.’ Ukuba ithi ‘iqhuma’ okanye ‘ngee-agglomerate,’ leyo iflegi ebomvu yokugcinwa kakubi okanye ibhetshi eyonakalisiweyo. I unizi lolwapho kuyiwa khona idla ngokuba phakathi 400 kwaye 600 g/l. Eli nani libalulekile kulungiselelo noyilo lokupakisha. Umgubo woxinaniso oluninzi olusezantsi luthatha umthamo othe kratya kumxube wakho.
| Ipropati | Ixabiso eliqhelekileyo | Isizathu Sokuba Kubalulekile |
|---|---|---|
| Imbonakalo | Umgubo omhlophe ukuya kumhlophe | Ukukhangela umgangatho obonakalayo |
| Unizi lolwapho kuyiwa khona | 400 - 600 g/l | Iimpembelelo ibhegi igcwalise umthamo kunye nokuziphatha kokuxuba |
| Umxholo oqinileyo | 98 - 99% | Okuphezulu kuthetha ukuba izihluzi ze-inert ezimbalwa; ukusebenza ngcono ngegram nganye |
2. Cacisa iiPropati zeThermal: Tg kunye ne-MFFT
Lawa ngamanani amabini angaqondwa kakuhle kwi-RDP powder umenzi wephepha ledatha yezobugcisa. Balungise, nodaka lwakho lusebenza kakuhle. Baphathe kakubi, kwaye izinto zakho ziyasilela entsimini.
Ukuqonda iGass Transition Temperature (Tg)
Inyathelo 2.1: Khangela ixabiso leTg. Eli liqondo lobushushu apho i-polymer itshintsha ukusuka kwi-hard, imo yeglasi ukuya kwindawo ethambileyo, imeko yerabha. Ilinganiswa ngo-°C. I-Tg ephezulu (umz., +20°C) kuthetha ukuqina, ifilimu enzima kwiqondo lokushisa. Tg ephantsi (umz., -10°C) kuthetha ukuba bhetyebhetye kakhulu, ifilimu ethambileyo.
Inyathelo 2.2: Tshatisa iTg kwisicelo sakho. Kwi-adhesive tile kwi-balcony ebona ubusika obubandayo, udinga umgubo weTg ophantsi (malunga no -5°C ukuya ku -15°C). Kuba self-leveling underlayment ngaphakathi endlini, iTg ephakathi (0°C ukuya +10°C) ihlala yanele. Iphepha ledatha 'Isicelo’ icandelo liya kukukhokela, kodwa ngoku uyazi ngoba.
UBugcisa obuncinane boBubushushu bokwenza ifilimu (I-MFFT)
Inyathelo 2.3: Fumana ixabiso le-MFFT. Eli nani lihlala likufutshane kwi-Tg kodwa linokuba phezulu kancinci. I-MFFT yiqondo lokushisa eliphantsi kakhulu apho i-polymer particles iya kudibanisa kwifilimu eqhubekayo. Ukuba ubushushu bendawo yakho yomsebenzi bungaphantsi kweMFFT, i-polymer ayiyi kwenza ifilimu. Udaka lwakho luya kuba lukhuni kwaye lube buthathaka.
Inyathelo 2.4: Yenza unxibelelwano olusebenzayo. Ukuba i-data sheet yakho ithi MFFT = 5°C, wena kufuneke Unga sebenzisa olo daka xa i-substrate okanye ubushushu bomoya bungaphantsi kwe-5°C. Isingxi. Oku akunakuxoxisana ngomsebenzi. Iintsilelo ezininzi zivela ngokutyeshela eli nani elinye.
3. Iiparamitha zokuSebenza: Oko Kuthenjiswa ngamaNani
Ngoku singena kukuziphatha kwehlabathi lokwenyani. Wonke umenzi womgubo we-RDP wephepha ledatha yobugcisa udwelisa iimpawu zoomatshini. Nantsi indlela yokuzifunda ngaphandle kokuthelekelela.
Amandla okubambelela kwi-Tensile (Kumxholo wodaka)
Inyathelo 3.1: Khangela indlela yovavanyo eqhelekileyo. Iya kuba yinto 'entsha’ uvavanyo, umntu ‘omdala’ uvavanyo (ukuguga kobushushu), okanye ‘umanzi’ uvavanyo (ukuntywiliselwa emanzini). Ixabiso elibaluleke kakhulu kwi-adhesives ye-tile yi ukunamathela emva kokuntywiliselwa emanzini. I-RDP yenjongo jikelele elungileyo iya kubonisa amaxabiso okubambelela 0.5 ukuya 1.0 N/mm² emva 7 iintsuku zomile kwaye 14 iintsuku zokuntywiliselwa emanzini.
Inyathelo 3.2: Thelekisa amaxabiso kubo bonke abavelisi. Amabango omvelisi 0.8 N/mm². Amabango omvelisi B 0.6 N/mm². Kodwa jonga iimeko zovavanyo. Ngaba basebenzisa ukwakhiwa kodaka olufanayo? Uhlobo olufanayo lwesamente? Iphepha ledatha kufuneka libhekiselele kwinqanaba elifana ne-EN 12004 okanye ISO 13007. Ukuba akunjalo, buza ukuba kutheni.
Amandla e-Flexural kunye nokunyangwa kwe-Abrasion
Kuba self-leveling underlayments, amandla okugoba ngukumkani. Jonga amaxabiso angentla 2.0 N/mm² yeendawo zorhwebo ezinabantu abaninzi. Kwimigangatho yemizi-mveliso, Ukuxhathisa i-abrasion kubalulekile. Iphepha ledatha linokuthi lichaze 'njengelahleko enkulu kwiigram’ emva komjikelo wovavanyo. Ilahleko yobunzima obusezantsi ilingana nokuqina okungcono.
4. Umthamo: Indawo eSweet phakathi kokuSebenza kunye neNdleko
Iphepha ngalinye ledatha linika 'Umthamo ocetyiswayo’ uluhlu. Le yeyona ndawo ixhaphakileyo yempazamo yabaqulunqi abatsha. Ucinga ukuba ‘ngakumbi kunamandla.’ Ngamanye amaxesha yinyani. Rhoqo, yinkcitha-mali leyo.
Inyathelo 4.1: Qala embindini woluhlu. Ukuba iphepha lithi 2% ukuya 5% ngobunzima besamente, qala kwi 3.5%. Xuba ibhetshi yovavanyo.
Inyathelo 4.3: Yehlisa idosi ukuze ube namandla aphezulu. Umxholo ophezulu wepolymer ngamanye amaxesha unokuthoba amandla oxinzelelo. Ngomaleko wokunxiba, ungahla uye 2% ukugcina ubulukhuni bomphezulu buphezulu. Iphepha ledatha liya kubonisa igrafu 'yokuncamathela vs. ithamo’ okanye ‘amandla aguquguqukayo vs. ithamo’ ukuba ujonga ngenyameko. Sebenzisa loo grafu.
| Isicelo | Idosi yeRDP eqhelekileyo (% yesamente) | INzuzo yokuqala |
|---|---|---|
| I-Ceramic Tile Adhesive | 3 - 5% | Ukubambelela kunye nokuguquguquka |
| I-Self-Leveling Underlayment | 2 - 4% | Ukuhamba kunye nokumelana nokuqhekeka |
| EIFS Base Coat | 4 - 6% | Ukuchasana nempembelelo kunye nokumelana nemozulu |
| Iplastikhi yangaphandle/iStucco | 1.5 - 3% | Ukugxotha amanzi kunye nokuguquguquka |
5. Ukuxuba, Ukusasazwa, kunye ne-Re-Dispersibility
Iphepha ledatha yobugcisa be-RDP yomenzi we powder kufuneka libandakanye izikhokelo zokuxuba. Balandele ngokuchanekileyo. Musa ukulahla nje umgubo emanzini.
Inyathelo 5.1: Inkqubo yokusasazwa. Soloko wongeza umgubo weRDP kwi ezinye izithako ezomileyo Ekuqaleni. Zixube ngokucokisekileyo ubuncinci 30 imizuzwana. Emva koko yongeza amanzi. Oku kuthintela i-polymer ekubeni 'ibhola phezulu’ okanye ‘intlanzi-eyeing.’
Inyathelo 5.2: Jonga umlinganiselo wamanzi ukuya kumgubo. Iphepha liya kunika uluhlu (umz., 0.22:1 ukuya 0.26:1 ngobunzima). Qala phantsi. Yongeza amanzi kancinci kancinci. I-RDP yonyusa imfuno etyebileyo, ngoko unokufuna amanzi amaninzi kunakumxube ongalungiswanga.
Inyathelo 5.3: Uvavanyo lokuphinda luhlakazeke. Iphepha ledatha linokuthi lichaze 'intsalela yokugaya’ okanye 'intsalela yesikrini’ ixabiso. Lo ngumlinganiselo wezinto eziphathekayo ezingaphinde zisasazeke. I-RDP elungileyo inengaphantsi kwe 1% intsalela kwiscreen se-200-micron. Intsalela ephezulu ithetha ukwakheka kwefilimu okungekuhle kunye nodaka olubuthathaka.
6. Ugcino, Beka ubomi kwishelufa, kunye noKhuseleko
Ukungahoywa kweemeko zokugcina yindlela ekhawulezayo yokonakalisa igubu elibiza kakhulu lomgubo.
Inyathelo 6.1: Imilinganiselo yobushushu. Iphepha ledatha liya kuthi 'Gcina kwindawo epholileyo, indawo eyomileyo’ kwaye kaninzi ubushushu obuphezulu (umz., 30°C okanye 40°C). Musa ukugcina i-RDP powder kwilanga elithe ngqo okanye kufuphi neziko. Ukushisa okuphezulu kunokubangela ukubunjwa kwefilimu kwangaphambi kwexesha ngaphakathi kwesikhwama.
Inyathelo 6.2: Ukufuma lutshaba. Umgubo une-hygroscopic. Iphepha ledatha liza kulumkisa malunga nokuligcina livaliwe. Ibhegi evuliweyo eshiywe kwindawo efumileyo iya kuqothuka. Nje ukuba idibanise, ukusasazeka kwayo kwehla kakhulu.
Inyathelo 6.3: Beka ubomi kwishelufa. Uninzi lwabavelisi baqinisekisa 6 ukuya 12 iinyanga ukusuka kumhla wokwenziwa. 'Umhla wokuVelisa’ okanye ‘Eyona nto ilungileyo ngaphambili’ umgca kwiphepha ledatha ngumhlobo wakho. Jikelezisa isitokhwe sakho. I-RDP endala isenokusebenza, kodwa ukusebenza kwayo kusenokuthotywa.
Inyathelo 6.4: Ukhuseleko kuqala. Yonke i-RDP powder umenzi wephepha ledatha yobugcisa kufuneka ibhekiselele kwiPhepha leDatha loKhuseleko lweMathiriyeli (I-MSDS). Uthuli olucolekileyo lwepolymer luyinto ecaphukisayo yokuphefumla kwaye lunokuba yingozi yokudubula kothuli. Hlala usebenzisa iimaski zothuli kwaye uqinisekise ukungena komoya. Iphepha ledatha liya kuchaza iPPE eyimfuneko (Izixhobo zoKhuseleko zobuqu).
7. Ukuhambelana: Ukuyenza isebenze kunye nezinye izithako zakho
I-RDP ayisebenzi yodwa. Isebenzisana nesamente, fillers, kunye neminye imixube, ngakumbi i-cellulose ethers (HPMC, HEMC).
Inyathelo 7.1: Ukuhambelana kwesamente. Uninzi lwee-RDPs ziyahambelana ne-Ordinary Portland Cement (OPC), isamente emhlophe, kunye nesamente ye-calcium aluminate. Nangona kunjalo, ukuba usebenzisa i-samente ephezulu ye-alumina okanye i-pozzolans ethile, khangela iphepha ledatha. Ezinye iipholima ze-hydrolyze kwiindawo eziphezulu ze-pH.
Inyathelo 7.2: Ukusebenzisana ne-cellulose ethers. I-cellulose ethers iphucula ukugcinwa kwamanzi. I-RDP iphucula ukunamathela. Bayi-synergistic, kodwa zikwakhuphisana ngamanzi. Ukuba ukwakheka kwakho kuvakala kuncangathi kakhulu okanye 'intsintsi,’ Idosi yakho ye-RDP inokuba phezulu kakhulu xa kuthelekiswa ne-HPMC yakho. Iphepha ledatha aliyi kukuxelela iresiphi, kodwa iya kukunika uluhlu lwe-ballpark kwiinkqubo ezihambelanayo.
Inyathelo lakho elilandelayo: Thelekisa, Uvavanyo, kunye noPhumelela
Ngoku unolwazi lokufunda nayiphi na i-RDP powder umenzi wephepha ledatha yobugcisa ngokuzithemba. Musa ukufunda nje iphepha lomenzi omnye. Qokelela ezintathu okanye ezine. Zibeke ecaleni-macala. Thelekisa iTg, I-MFFT, ixabiso lokunamathela, kunye neemeko zokugcina.
Yenza uvavanyo olulula. Sebenzisa iresiphi yodaka eqhelekileyo. Tshintsha iRDP kuphela. Vavanya ukusebenza ngesandla. Vavanya i-adhesion kwi-tile. Zibonele ngokwakho umahluko. Iphepha ledatha yimephu. Wena ungumhloli. Thembela izandla zakho kunye namehlo akho, ikhokelwa lolu xwebhu.
Unayo le. Qala ukufunda loo maphepha edatha namhlanje ngembono entsha. Ibhetshi yakho elandelayo yodaka iya kuba yeyona ilungileyo okwangoku.
Umthengisi
I-ConcreteAndMore ngumthengisi othembekileyo wehlabathi jikelele wezinto ezixubeneyo zekonkrithi ezisebenza kakhulu kunye neekhemikhali zokwakha.. Ngeminyaka yobungcali kwishishini, Sisebenza ngokukhethekileyo ekuboneleleni ngezisombululo ezintsha eziquka iipolycarboxylate superplasticizers, imicu yekhonkrithi, defoamers, ii-arhente zogwebu, kunye neemveliso zokugquma ubushushu be-airgel. Ukuba unomdla kwi-concrete admixture, nceda uzive ukhululekile ukuqhagamshelana nathi!