Udaka olomile luyizinto zokwakha eziqukethe isihlabathi, usimende nezinye izithako. Lusetshenziselwa ukuhlanganisa izitini, amabhlogo nezinye izinto zokwakha ukwakha izakhiwo. Kodwa-ke, udaka olomile akulula ngaso sonke isikhathi ukusebenza ngalo njengoba luvame ukulahlekelwa amanzi futhi lube nzima kakhulu ngokushesha okukhulu. Ama-cellulose ethers, ikakhulukazi i-hydroxypropylmethylcellulose (HPMC) kanye ne-methylhydroxyethylcellulose (MHEC), ngezinye izikhathi anezelwa kudaka olomile ukuze kuthuthukiswe izakhiwo zalo zokugcina amanzi. Inhloso yalesi sihloko ukuhlola izinzuzo zokusebenzisa i-cellulose ether kudaka olomile nokuthi lungayithuthukisa kanjani ikhwalithi yokwakha.
Ukugcinwa kwamanzi:
Ukugcinwa kwamanzi kudlala indima ebalulekile ekhwalithini ye-mortar eyomile. Ukugcina okuqukethwe komswakama okulungile kuyadingeka ukuqinisekisa ukuthi i-mortar inamathela kahle futhi yakha isibopho esiqinile phakathi kwezinto zokwakha. Kodwa-ke, i-mortar eyomile ilahlekelwa umswakama ngokushesha okukhulu, ikakhulukazi ezimweni ezishisayo nezomile, okuholela ku-mortar esezingeni eliphansi. Ukuxazulula le nkinga, ama-cellulose ethers ngezinye izikhathi ayengezwa ku-mortar eyomile ukuze kuthuthukiswe izakhiwo zayo zokugcina amanzi.
Ama-cellulose ethers angama-polymer atholakala ku-cellulose, i-fiber yemvelo etholakala ezitshalweni. I-HPMC kanye ne-MHEC yizinhlobo ezimbili zama-cellulose ethers ezivame ukungezwa kuma-mortar owomile ukuze kuthuthukiswe ukugcinwa kwamanzi. Asebenza ngokwakha into efana nejeli uma ixutshwe namanzi, okusiza ekunciphiseni inqubo yokomisa kwe-mortar.
Izinzuzo zokusebenzisa i-cellulose ether ku-mortar eyomile:
Kunezinzuzo eziningana zokusebenzisa ama-ether e-cellulose ku-dry mortar, okuhlanganisa:
1. Thuthukisa ukusebenza kahle: I-cellulose ether ingathuthukisa ukusebenza kahle kwe-mortar eyomile ngokunciphisa ukuqina kwayo nokwandisa i-plasticity yayo. Lokhu kwenza kube lula ukufaka i-mortar ezintweni zokwakha ukuze kube nokuqeda okuhle kakhulu.
2. Ukuncipha kokuqhekeka: Udaka olomile lungaqhekeka uma loma ngokushesha kakhulu, okwehlisa amandla alo. Ngokufaka i-cellulose ether engxubeni, udaka loma kancane, kunciphisa ingozi yokuqhekeka futhi kwandise amandla alo.
3. Amandla esibopho akhuphukile: Ukuqina kwesibopho esomile ezintweni zokwakha kubalulekile ekusebenzeni kwaso. Ama-cellulose ether andisa ukugcinwa kwamanzi kwesibopho, okwandisa amandla esibopho saso, okuholela esibophoni esiqinile nesihlala isikhathi eside.
4. Thuthukisa ukuqina: I-cellulose ether ingathuthukisa ukuqina kwe-mortar eyomile ngokunciphisa inani lamanzi alahlekayo ngesikhathi sokomiswa. Ngokugcina amanzi engeziwe, i-mortar cishe ayinakuqhekeka noma idilike, okwenza isakhiwo siqine kakhudlwana.
Udaka olomile luyinto ebalulekile ekwakheni. Kodwa-ke, izakhiwo zalo zokugcina amanzi zingaba nzima ukuzilawula, okuholela kudaka olusezingeni eliphansi. Ukwengeza ama-cellulose ethers, ikakhulukazi i-HPMC ne-MHEC, kudaka olomile kungathuthukisa kakhulu ukusebenza kwalo kokugcina amanzi, okuholela kumkhiqizo osezingeni eliphezulu. Izinzuzo zokusebenzisa ama-cellulose ethers kudaka olomile zifaka phakathi ukusebenza okuthuthukisiwe, ukuqhekeka okuncishisiwe, amandla esibopho athuthukisiwe kanye nokuqina okwandisiwe. Ngokusebenzisa ama-cellulose ethers kudaka olomile, abakhi bangaqinisekisa ukuthi izakhiwo zabo ziqinile, zihlala isikhathi eside futhi zijabulisa ngobuhle.
Isikhathi sokuthunyelwe: Agasti-18-2023