Iimortar zokwakha zisetyenziswa kakhulu kwizicelo ezahlukeneyo kushishino lokwakha ezifana nokuplasta, umgangatho, iithayile kunye nokwakha, njl. I-mortar idla ngokuba ngumxube wesamente, isanti kunye namanzi axutywe ukwenza intlama. Kwiminyaka yakutshanje, kubekho imfuno ekhulayo yezongezo eziphucula ukusebenza kweemortar. I-Redispersible polymer powder (RDP) sisongezelelo esithandwayo esongezwa kwiimortar zokwakha ukuphucula iimpawu zazo. Eli nqaku liza kubonelela ngenkcazo-ntetho yendima yezongezo ze-RDP redispersible polymer powder kwiimortar zokwakha.
Umgubo wepolymer ophinda udibane yipolymer eyenziwe yi-ethylene-vinyl acetate copolymer, i-acrylic acid kunye ne-vinyl acetate. Ezi polymers zidityaniswe nezinye izongezo ezifana nezizalisi, izithambisi kunye nezihlanganisi ukuvelisa iipowder ze-RDP. Iipowder ze-RDP zisetyenziswa ekuveliseni uluhlu lwezinto zokwakha eziquka izincamathelisi zethayile, iimortars ezisekwe kwisamente kunye neearhente zokulinganisa.
Enye yezona nzuzo ziphambili zokusebenzisa i-RDP kwiimortar zokwakha kukuba iphucula ukusebenza kakuhle kwemortar. I-RDP yonyusa ukuqina kwemortar, okwenza kube lula ukuyisebenzisa nokuyisasaza. Ukuphuculwa kokulungiswa kwayo kuthetha ukuba kufuneka amanzi amancinci ukuze kufunyanwe ukuqina okufunekayo. Oku kwenza imortar imelane nokuqhekeka nokushwabana, nto leyo eyenza ukuba ihlale ixesha elide kwaye ihlale ixesha elide.
Enye inzuzo ebalulekileyo yokusebenzisa i-RDP kwiimortar zokwakha kukuba iphucula ukunamathela kwemortar. Ukunamathela okuphuculweyo kuthetha ukuba imortar yenza umanyano oluqinileyo nomphezulu ukuze isebenze ngcono kwaye ihlale ixesha elide. I-RDP ikwaphucula iipropati zokugcina amanzi zemortar, inceda ekuthinteleni ukulahleka kwamanzi ngexesha lokwakha. Oku kuvumela imortar ukuba iqine kwaye iqine ngokulinganayo, ukuqinisekisa ukusebenza okuzinzileyo kunye nokuqina.
I-RDP ikwanyusa ukuguquguquka kwe-mortar, okwenza ikwazi ukumelana noxinzelelo kunye noxinzelelo lwexesha elide. Ukuguquguquka okwandisiweyo kwe-mortar kuthetha ukuba ayizukuqhekeka kwaye iqhekeke nokuba ijongene neemeko ezinzima zendalo. Oku kuguquguquka okuphuculweyo kuthetha ukuba i-mortar iyakwazi ukusetyenziswa ngeendlela ezahlukeneyo kwaye ingasetyenziswa kuluhlu olubanzi lwezicelo, kubandakanya iindawo ezingalinganiyo nezigobileyo.
Ukusetyenziswa kwe-RDP kwi-mortar yokwakha kwandisa amandla okuxinwa kwe-mortar. Amandla okuxinwa luphawu oluphambili lokwakha ii-mortar njengoko kumisela ukuba i-mortar iyamelana njani nokuguquguquka nokuqhekeka phantsi komthwalo. I-RDP yonyusa amandla okuxinwa kwe-mortar, okwenza ikwazi ukumelana nemithwalo enzima kwaye inciphise amathuba okuqhekeka nokonakala.
Ngamafutshane, ukusetyenziswa kwe-RDP redispersible polymer powder additives kwi-construction mortars kunika uluhlu lweenzuzo ezinokuphucula ukusebenza kunye nokuqina kwe-mortar. I-RDP iphucula ukusebenza kakuhle, ukunamathela, ukugcinwa kwamanzi, ukuguquguquka kunye namandla okucinezelwa kwe-mortar, okwenza ukuba ibe nobuchule ngakumbi kwaye ifaneleke kuluhlu olubanzi lwezicelo. Ukusebenzisa i-RDP kwi-construction mortars kuvelisa imveliso esebenza kakuhle, engabizi kakhulu kwaye ehlala ixesha elide, nto leyo eyenza ukuba ibe lukhetho oluthandwa kakhulu ngabakhi kunye nabakhi.
Ixesha lokuthumela: Juni-29-2023