I-Redispersible Polymer Powder (RDP)sisongezo esibalulekileyo esisetyenziswa kwimixube eyahlukeneyo yodaka olomileyo. Yipolymer-based powder ethi, xa ixutywe namanzi, iphinde isasazeke ukwenza ifilimu. Le filimu inika iipropathi ezininzi eziphambili kudaka, njengokuphucula ukubambelela, ukuguquguquka, ukuxhathisa kwamanzi, kunye nokumelana nokuqhekeka. Njengoko iimfuno zokwakha ziguquka, ii-RDPs ziye zafumana ukusetyenziswa ngokubanzi kwiimveliso ezikhethekileyo zodaka olomileyo, apho izibonelelo zazo zidlala indima ebalulekileyo ekwandiseni iimpawu zokusebenza.
1.I-Redispersible Polymer Powder (RDP) Isishwankathelo
I-Redispersible Polymer Powder (RDP) iveliswa ngokumisa i-emulsions yeepolymers zokwenziwa, ngokuqhelekileyo i-styrene-butadiene (SB), i-vinyl acetate-ethylene (VAE), okanye i-acrylics. Ezi polymers zicolile kwaye zikwazi ukuphinda zihlakazeke xa zixutywe namanzi, zenza ifilimu ephucula iimpawu zomatshini zodaka.
Iimpawu eziphambili zee-RDPs:
Ukwandiswa kokuncamathela: Ukuphucula ukudibanisa kwi-substrates.
Ukuba bhetyebhetye: Ibonelela ngendawo yokuhlala yokunyakaza kunye nokunciphisa ukuqhekeka.
Ukumelana namanzi: Yandisa ukumelana nokungena kwamanzi.
Ukuphuculwa kokusebenza: Yandisa isicelo ngokulula.
Ukomelezwa kokuqina: Igalelo ekusebenzeni ixesha elide kwiimeko ezinzima.
2.Izicelo kwiiMveliso eziKhethekileyo zoMdaka owomileyo
a.Izincamathelisi zeThayile
I-adhesives ye-tile yenye yezona zicelo eziqhelekileyo ze-Redispersible Polymer Powder (RDP). Ezi zincamathelisi zenzelwe ukudibanisa iithayile kwiindawo ezahlukeneyo, kubandakanywa iindonga kunye nemigangatho. Ukufakwa kwe-RDP kwii-adhesives zethayile kuphucula kakhulu ezi mpawu zilandelayo:
Amandla ebhondi: I-adhesive bond phakathi kwe-tile kunye ne-substrate iphuculwe kakhulu, ikhusela i-tile detachment ngexesha.
Ukuba bhetyebhetye: I-RDP inceda ukuphucula ukuguquguquka kwe-adhesive, evumela ukuba imelane nokuqhekeka kunye ne-delamination ngenxa yokuhamba kwe-substrate ephantsi okanye iileyili ngokwazo.
Ixesha lokuvula: Ixesha lokusebenza ngaphambi kokuba i-adhesive iqale ukuseta iyandiswa, inika ixesha elingakumbi lohlengahlengiso ngexesha lofakelo.
| Ipropati | Ngaphandle kweRDP | NgeRDP |
| Amandla ebhondi | Phakathi | Phezulu |
| Ukuba bhetyebhetye | Phantsi | Phezulu |
| Ixesha lokuvula | Mfutshane | Yandisiwe |
| Ukumelana namanzi | Ubuhlwempu | Kulungile |
b.Iiplastiki
I-Redispersible Polymer Powder (i-RDP) isetyenziswa ngokubanzi kwiiplaster zangaphakathi nangaphandle ukuphucula ukunamathela, ukuxhathisa kwamanzi, kunye nokuguquguquka. Kwimeko yonikezelo lwangaphandle okanye iinkqubo ze-façade, ii-RDPs zibonelela ngeenzuzo ezongezelelweyo ezifana nokuchasana okuphuculweyo kwimozulu kunye nokuthotywa kwe-UV.
Ukunamathela kwi-substrates: I-RDP iqinisekisa ukuba udaka lunamathela bhetele kwikhonkrithi, izitena, okanye ezinye izinto zokwakha, nokuba zibekwe emanzini kunye nokufuma.
Ukumelana namanzi: Ngokukodwa kwiiplaster zangaphandle, ii-RDPs zinegalelo ekuchaseni amanzi, ukuthintela ukungena komswakama kunye nomonakalo obangelwa yi-freeze-thaw cycles.
Ukuchasana nokuqhekeka: Ukuguquguquka okuphuculweyo kodaka kunciphisa ukubakho kweentanda ngenxa yoxinzelelo lwe-thermal okanye lomatshini.
| Ipropati | Ngaphandle kweRDP | NgeRDP |
| Ukunamathela kwi-substrate | Phakathi | Egqwesileyo |
| Ukumelana namanzi | Phantsi | Phezulu |
| Ukuba bhetyebhetye | Ilinganiselwe | Yandisiwe |
| Ukuchasana nokuqhekeka | Ubuhlwempu | Kulungile |
c.Ukulungisa iiMortars
Izixhobo zokulungisa zisetyenziselwa ukulungisa iindawo ezonakalisiweyo, ezifana nekhonkrithi eqhekekileyo okanye etshisiweyo. Kwezi zicelo, iRDP idlala indima ebalulekileyo ekuphuculeni oku kulandelayo:
Ukudibanisa kwimigangatho emidala: I-Redispersible Polymer Powder (RDP) iphucula ukunamathela kwii-substrates ezikhoyo, ukuqinisekisa ukuba izinto zokulungisa zibambelela ngokukhuselekileyo.
Ukusebenziseka: I-RDP yenza udaka lube lula ukusetyenziswa kunye nenqanaba, ukuphucula ukukhululeka kokusetyenziswa ngokubanzi.
Ukuqina: Ngokuphucula iimpawu zemichiza kunye nomatshini wodaka, i-RDP iqinisekisa ukulungiswa okuhlala ixesha elide okuxhathisa ukuqhekeka, ukuncipha, kunye nomonakalo wamanzi.
| Ipropati | Ngaphandle kweRDP | NgeRDP |
| Ukudibanisa kwi-substrate | Phakathi | Egqwesileyo |
| Ukusebenziseka | Kunzima | Igudile kwaye kulula ukuyisebenzisa |
| Ukuqina | Phantsi | Phezulu |
| Ukuchasana nokuncipha | Phakathi | Phantsi |
d.IiNkqubo zaNgaphandle zokugquma iThermal (ETICS)
Kwiinkqubo zangaphandle ze-thermal insulation composite systems (ETICS), i-Redispersible Polymer Powder (RDP)s isetyenziselwa kwi-adhesive layer ukuya kwi-bond insulation imathiriyeli kwiindonga zangaphandle zezakhiwo. Ii-RDPs zinegalelo ekusebenzeni kwenkqubo iyonke ngoku:
Ukuphucula ukubambelela: Iqinisekisa ukudibanisa okuqinileyo phakathi kwe-insulation kunye ne-substrate.
Ukumelana neemeko zemozulu: Ukuguquguquka okuphuculweyo kunye nokumelana namanzi kunceda inkqubo ukuba isebenze ngcono phantsi kweemeko ezahlukeneyo zokusingqongileyo.
Ukuchasa impembelelo: Yehlisa umngcipheko womonakalo kwiimpembelelo zomzimba, ezifana nesichotho okanye ukuphathwa ngoomatshini ngexesha lofakelo.
| Ipropati | Ngaphandle kweRDP | NgeRDP |
| Ukuncamathela | Phakathi | Phezulu |
| Ukuba bhetyebhetye | Ilinganiselwe | Phezulu |
| Ukumelana namanzi | Phantsi | Phezulu |
| Ukuchasa impembelelo | Phantsi | Kulungile |
3.Iinzuzo zeI-Redispersible Polymer Powder (RDP)kwiiMveliso zoMdaka owomileyo
I-Redispersible Polymer Powder (RDP) iphucula kakhulu ukusebenza kweemveliso zodaka olomileyo, ibonelela ngezi zibonelelo zilandelayo:
a.Ukubambelela okongeziweyo
I-RDP iphucula amandla okudibanisa phakathi kodaka kunye nee-substrates ezahlukeneyo, ezibaluleke kakhulu kwizicelo ezifana nokunamathiswa kweethayile kunye nodaka lokulungisa, apho kufuneka ukunamathela okuqinileyo ukukhusela i-delamination okanye ukungaphumeleli ekuhambeni kwexesha.
b.I-Crack Resistance
I-flexibility enikezelwa yi-RDPs ivumela iinkqubo zodaka ukuba zivumelane nokunyakaza kwe-thermal, ukunciphisa umngcipheko wokuqhekeka. Le propati ibalulekile kwizicelo zangaphandle, ezifana ne-plasters kunye ne-ETICS, apho ukunyakaza kwesakhiwo okanye iimeko zemozulu ezibi kakhulu zingabangela ukuqhekeka.
c.Ukumelana naManzi
Kuzo zombini izicelo zangaphakathi nangaphandle, ii-RDPs zinegalelo ekuxhathiseni amanzi ngcono, zinceda ukuthintela ukungena komswakama. Oku kunenzuzo ngakumbi kwiindawo ezimanzi, ukuqinisekisa ubude obude kunye nokuqina kwezinto zokwakha.
d.Ukuphuculwa kokuSebenza
Udaka olune-RDP kulula ukulusebenzisa, lusasazeke, kwaye luhlengahlengise, luphucula amava omsebenzisi ngokubanzi. Oku kuyinzuzo ebalulekileyo kwi-adhesives tile kunye ne-mortars yokulungisa, apho ukusetyenziswa lula kunokukhawuleza inkqubo yokwakha.
e.Ukuqina
Udaka olunePolymer Powder eRedispersible (RDP)s luxhathisa ngakumbi ukunxitywa kunye nokukrazula, luqinisekisa ukusebenza okuhlala ixesha elide phantsi koxinzelelo olwahlukeneyo lokusingqongileyo.
I-Redispersible Polymer Powder (RDP)s ngamacandelo abalulekileyo ekuqulunqweni kodaka olukhethekileyo olomileyo, ukuphucula iimpawu zabo zomzimba ezifana nokubambelela, ukuguquguquka, ukusebenza, kunye nokuqina. Ingaba isetyenziswe kwi-adhesives ye-tile, i-plaster, i-mortars yokulungisa, okanye i-insulation systems yangaphandle, ii-RDPs ziphucula kakhulu ukusebenza kunye nokuphila ixesha elide kwemveliso. Njengoko imigangatho yokwakha iqhubeka ifuna izixhobo ezikhethekileyo, ukusetyenziswa kwe-RDPs kwiidaka ezomileyo kuya kuqhubeka nokudlala indima ebalulekileyo ekuhlangabezaneni nezi mfuno.
Ixesha lokuposa: Feb-15-2025