Eminyakeni yakamuva, imboni yezokwakha ibone ushintsho olukhulu ekusetshenzisweni kukakhonkolo osezingeni eliphezulu ukuze kuhlangatshezwane nezidingo ezidingekayo zemiklamo yengqalasizinda yesimanje. Esinye sezithako eziyinhloko zikakhonkolo osebenza kakhulu yi-binder, ehlanganisa izinhlayiya ezihlanganisiwe ukuze zakhe i-matrix kakhonkolo eqinile futhi ehlala isikhathi eside. Phakathi kwezinhlobo ezahlukene zokunamathisela, ukusetshenziswa kwezinamatheliso ze-polymeric sekuthole ukuduma ngekhono layo lokudlulisela izinto ezifiselekayo ezifana nokuqina okukhulayo nokuguquguquka.
Esinye sezibophezelo se-polymer esisetshenziswa kakhulu kukhonkolo esebenza kakhulu yi-RDP (Redispersible Polymer Powder) polymer binder. Izibophezelo ze-polymer ye-RDP ziyizimpushana ezixubene ezomile ezingaxutshwa kalula nezinye izithako ukuze zakhe izingxube zikakhonkolo ezinokuguquguquka okukhulayo kanye nokumelana namanzi. Ukwengeza izibophezelo ze-polymer ze-RDP kukhonkolo ziwusizo ikakhulukazi ezinhlelweni zokusebenza lapho ukhonkolo kulindeleke ukuthi ube ngaphansi kwengcindezi enkulu noma ubhekane nemijikelezo evamile yokunwetshwa nokufinyela.
Enye yezinzuzo eziyinhloko zokunamathela kwe-polymer ye-RDP ukuthuthukiswa kwezakhiwo zabo zokubopha. Izibophezelo ze-polymer ye-RDP ziqukethe izinto ezisebenza ngamakhemikhali ezizisiza ukuba zibambelele ngokuqinile ekuhlanganiseni izinhlayiya nezinye izingxenye zengxube kakhonkolo. Lokhu kwenza i-matrix kakhonkolo ibe namandla futhi iqine kakhudlwana, imelana nomonakalo ovela kumandla angaphandle njengemijikelezo yokuqhwaza, ukuhuzuka nomthelela.
Enye inzuzo yezibophezelo ze-polymer ye-RDP amandla azo okwandisa ukuguquguquka kwezingxube zikakhonkolo. Imiksi yendabuko kakhonkolo ivamise ukuba brittle futhi ijwayele ukuqhekeka lapho ingaphansi kwengcindezi ephezulu noma ushintsho lokushisa. Izibophezelo ze-polymer ye-RDP zingashintshwa ukuze zenze amazinga ahlukene okuguquguquka, okuvumela ingxube kakhonkolo ukuthi imelane kangcono nalezi zingcindezi ngaphandle kokuqhekeka. Lokhu kuguquguquka okukhulayo futhi kunciphisa ubungozi bokulimala noma ezinye izinhlobo zokulimala ngesikhathi sokwakhiwa noma ukusetshenziswa.
Ngaphezu kokuhlinzeka ngokuqina okukhulu nokuvumelana nezimo, izinto zokunamathisela ze-polymer ze-RDP nazo zimelana nomswakama kakhulu. Izakhiwo zikakhonkolo ezichayeka emanzini noma kumswakama isikhathi eside zingadala izinkinga eziningi, ezihlanganisa ukuqhekeka, ukubola nokugqwala. Izibophezelo ze-polymer ze-RDP ziqukethe ama-hydrophobic agents asiza ukuxosha umswakama, ukunciphisa ingozi yalezi zinkinga kanye nokwenza ngcono ukusebenza kwesikhathi eside kwezakhiwo zikakhonkolo.
Ukusetshenziswa kwe-RDP polymer adhesives nakho kuyahambisana nemvelo. Ngokungafani nezingxube zokhonkolo zendabuko, ngokuvamile ezidinga inani elikhulu likasimende wase-Portland, umthombo omkhulu wokukhishwa kwekhabhoni, izibophezelo ze-polymer ze-RDP zingasebenzisa amanani amancane ukuze kuzuzwe izinga elifanayo lokusebenza. Lokhu kunciphisa i-carbon footprint yengxube kakhonkolo futhi kusiza ukunciphisa umthelela wemvelo wokwakha.
Naphezu kwezinzuzo zabo eziningi, kunezinselelo ezithile ezihlobene nokusebenzisa ama-polymer binder e-RDP kukhonkolo. Enye yezinselelo ezinkulu isidingo sokulawula ngokucophelela umthamo kanye nokuxutshwa kwezibophezelo ze-polymer ukuqinisekisa ukusebenza kahle. Ukuhlanganisa okuncane kakhulu kuholela ekunciphiseni ukunamathela nokuqina, kuyilapho ukuhlanganisa okuningi kubangela amandla ancishisiwe kanye nokuncipha kokusebenza. Ngakho-ke, kubalulekile ukusebenza nomhlinzeki kakhonkolo onesipiliyoni oqonda izakhiwo ze-RDP polymer binder futhi ongasiza ekuthuthukiseni ukusetshenziswa kwazo ezinhlelweni ezithile.
Ziningi izinzuzo zokusebenzisa izibophezelo ze-polymer ze-RDP kukhonkolo olusebenza kahle kakhulu. Ithuthukisa ukuqina nokuguquguquka kwengxube yekhonkrithi, ithuthukise ukumelana kwayo nomswakama, futhi inomthelela ophansi wemvelo kunezingxube zekhonkrithi zendabuko. Nakuba ukusetshenziswa kwazo kuveza izinselele ezithile, ukuhlanganisa ngokucophelela nokuxuba kungaveza imiphumela emihle kakhulu futhi kuholele ekwakhiweni kwezakhiwo zekhonkrithi eziqinile nezihlala isikhathi eside. I-RDP polymer adhesives iyisinqumo esihle kakhulu kulabo abafuna ukwakha izakhiwo zikakhonkolo ezingamelana nezimo ezinzima futhi zinikeze ukusebenza okuthembekile ngokuhamba kwesikhathi.
Isikhathi sokuthumela: Oct-16-2023