I-putty kanye ne-plaster kuyizinto ezidumile ezisetshenziswa kabanzi embonini yokwakha. Zibalulekile ekulungiseleleni izindonga nophahla ukuze kupendwe, kugqunywe imifantu, kulungiswe izindawo ezonakele, futhi kudalwe izindawo ezibushelelezi nezilinganayo. Zenziwe ngezithako ezahlukene okuhlanganisa usimende, isihlabathi, i-lime kanye nezinye izithasiselo ukuze kuhlinzekwe ukusebenza kanye nezici ezidingekayo. I-Methylhydroxyethylcellulose (MHEC) ingenye yezithasiselo ezibalulekile ezisetshenziswa ekukhiqizweni kwe-putty kanye ne-plaster powder. Isetshenziselwa ukuthuthukisa izakhiwo zama-powder, ukuthuthukisa izakhiwo zazo zokusebenza kanye nokwenza ngcono ukusetshenziswa kwazo.
Izinzuzo zokusebenzisa i-MHEC ukukhiqiza i-putty kanye ne-gypsum powder
I-MHEC itholakala ku-cellulose futhi ikhiqizwa ngenqubo yokuguqulwa kwamakhemikhali. Iyinhlanganisela encibilika emanzini esetshenziswa kabanzi njengesithambisi, isiqinisekisi kanye ne-emulsifier embonini yokwakha. Uma ingezwa kuma-putty kanye nama-gypsum powder, i-MHEC imboza izinhlayiya, inikeze ungqimba oluvikelayo oluzivimbela ukuthi zingahlangani futhi zihlale. Lokhu kukhiqiza ingxube elinganayo nehambisanayo okulula ukusebenza ngayo futhi enikeza isiphetho esingcono.
Enye yezinzuzo eziyinhloko zokusebenzisa i-MHEC kuma-putty nama-plaster ukuthi ithuthukisa izakhiwo zayo zokugcina amanzi. I-MHEC imunca futhi igcine umswakama, iqinisekisa ukuthi ingxube ihlala isebenziseka futhi ayomi ngokushesha. Lokhu kubaluleke kakhulu ezindaweni ezishisayo nezomile lapho ingxube isheshe ingasetshenziswa khona, okuholela ekuqedeni okungekuhle.
I-MHEC iphinde ithuthukise ukusebenza kahle kanye nesikhathi sokusebenza kwama-putty nama-plaster. I-MHEC yenza ukuxuba nokusebenzisa ingxube kube lula ngokugcina umswakama nokuvimbela ingxube ukuthi ingomi. Ngaphezu kwalokho, ukuthungwa kwe-MHEC okubushelelezi, okufana nebhotela kuvumela i-putty kanye ne-stucco ukuthi kusakazeke ngokulinganayo phezu kobuso ngaphandle kokushiya izigaxa noma amaqhubu, okuqinisekisa ukuphela okungenaphutha nokuhle.
Ngaphezu kokuthuthukisa ukuthungwa nokusebenza kahle kwama-putty nama-plaster, i-MHEC ingathuthukisa nezakhiwo zayo zokubopha. Ngokwakha ungqimba oluvikelayo oluzungeze izinhlayiya, i-MHEC iqinisekisa ukuthi zibophana kangcono endaweni eziyisebenzisayo. Lokhu kuphumela endaweni eqinile, eqinile kakhulu engase iqhekeke, iqhekezeke noma iqhekezeke ngokuhamba kwesikhathi.
Enye inzuzo ebalulekile yokusebenzisa i-MHEC ku-putty kanye ne-plaster ukuthi kwandisa ukumelana kwayo nomoya kanye nomswakama. Lokhu kusho ukuthi uma i-putty noma i-stucco isifakiwe, izomelana nomonakalo ovela emoyeni kanye nomswakama, iqinisekise ukuthi indawo ihlala iqinile futhi inhle isikhathi eside.
Ukuthuthukisa Ukusebenza kwe-Putty ne-Gypsum Kusetshenziswa i-MHEC
Ukuze kusebenze kahle i-putty kanye ne-plaster powder, kubalulekile ukuqinisekisa ukuthi i-MHEC isetshenziswa ngezilinganiso ezifanele. Lokhu kusho ukuthi ukusebenzisa inani elifanele le-MHEC kungafeza ukusebenza okufiselekayo kanye nezici ze-putty noma i-stucco ekhiqizwayo.
Izici zemvelo ezingathinta ukusebenza kwe-putty kanye ne-gypsum powder kumele zicatshangelwe. Isibonelo, ezindaweni ezishisayo nezomile, kungadingeka ukuthi kufakwe i-MHEC eyengeziwe ukuqinisekisa ukuthi ingxube ihlala iphilile futhi ihambisana.
Kubalulekile ukuqinisekisa ukuthi i-putty noma i-stucco isetshenziswa kahle ukuze ithuthukise ukusebenza kwayo. Lokhu kusho ukulandela imiyalelo yomenzi ngokucophelela nokuqinisekisa ukuthi ingxube ixutshwe kahle ngaphambi kokusebenzisa. Ngaphezu kwalokho, kungadingeka amathuluzi akhethekile ukuqinisekisa ukuthi i-putty noma i-stucco isetshenziswa ngokulinganayo nangokungaguquguquki endaweni ephathwayo.
I-MHEC iyisengezo esibalulekile esisetshenziswa ekukhiqizweni kwempuphu ye-putty ne-plaster. Ithuthukisa izakhiwo nezakhiwo zalezi zinto, ithuthukisa ukucutshungulwa kwazo, ukugcinwa kwamanzi, ukunamathela kanye nokumelana nomoya nomswakama. Lokhu kuphumela ekuqedeni okuhlala njalo, okuhlala isikhathi eside nokukhangayo okungenakwenzeka ukuthi kuqhekeke, kuqhekezwe noma kuhlubuke ngokuhamba kwesikhathi. Ukuze kuthuthukiswe ukusebenza kwempuphu ye-putty ne-gypsum, kubalulekile ukuqinisekisa ukuthi kusetshenziswa umthamo ofanele we-MHEC, kucatshangelwa izici zemvelo ezingathinta ukusebenza kwazo. Ngaphezu kwalokho, kubalulekile ukusebenzisa i-putty noma i-stucco ngendlela efanele ukuze kwandiswe ukusebenza kwayo futhi kufezwe imiphumela oyifunayo.
I-HEMC isetshenziswa ekwakhiweni kwesimende ukuthuthukisa izakhiwo zayo I-Hydroxyethyl methylcellulose (HEMC) iyikhemikhali esetshenziswa kabanzi embonini yokwakha. Iyisixhumanisi phakathi kokusebenza kahle, ukugcinwa kwamanzi, i-thixotropy, njll. Namuhla, uhlobo olusha lwe-cellulose ether luthola ukunakwa okwengeziwe. Okudonse ukunakwa okwengeziwe yi-hydroxyethyl methylcellulose (MHEC).
Esinye sezici ezibaluleke kakhulu ezinquma ikhwalithi yemikhiqizo yesamente ukusebenza kahle kwengxube. Yileyo ndlela okulula ngayo ukuxuba, ukuma kanye nokubeka i-samente. Ukuze kufezwe lokhu, ingxube yesamente kufanele ibe noketshezi olwanele ukuthulula nokugeleza kalula, kodwa futhi kufanele ibe bushelelezi ngokwanele ukugcina isimo sayo. I-MHEC ingafinyelela lesi sici ngokwandisa i-viscosity yesamente, ngaleyo ndlela ithuthukise ukusebenza kwayo.
I-MHEC ingasheshisa nokumuncwa kwesimende futhi ithuthukise amandla ayo. Amandla okugcina esimende ancike enanini lamanzi asetshenziswa ukuyixuba. Amanzi amaningi azonciphisa amandla esimende, kanti amanzi amancane kakhulu azokwenza kube nzima kakhulu ukusebenza ngawo. I-MHEC isiza ukugcina inani elithile lamanzi, ngaleyo ndlela iqinisekise ukumuncwa kwesimende okuhle kakhulu futhi ikhuthaze ukwakheka kwezibopho eziqinile phakathi kwezinhlayiya zesimende.
I-MHEC isiza ekunciphiseni inani lemifantu yesimende. Njengoba usimende uphola, ingxube iyancipha, okungaholela ekwakhekeni kwemifantu uma ukuncipha kungalawulwa. I-MHEC ivimbela lokhu kuncipha ngokugcina inani elifanele lamanzi engxubeni, ngaleyo ndlela ivimbele usimende ekuqhekekeni.
I-MHEC isebenza futhi njengefilimu evikelayo ebusweni besimende, ivimbela amanzi ukuthi angahwamuki ebusweni. Le filimu futhi isiza ukugcina okuqukethwe komswakama kwasekuqaleni kwesimende, inciphise kakhulu amathuba okuqhekeka.
I-MHEC nayo ilungele imvelo. Okokuqala, iyabola, okusho ukuthi ayihlali isikhathi eside endaweni ezungezile. Okwesibili, ingasiza ekunciphiseni inani lesimende elidingekayo kumaphrojekthi okwakha. Lokhu kungenxa yokuthi i-MHEC yandisa ukusebenza kahle kanye nokunamathela kwesimende, inciphisa isidingo samanzi engeziwe anciphisa nje ingxube yesimende.
Ukusetshenziswa kwe-MHEC kusimende kunikeza izinzuzo eziningana futhi kungaba negalelo elikhulu embonini yokwakha. Kuthuthukisa ukusebenza kahle kwengxube yesimende, kunciphisa inani lemifantu eyakheka ngesikhathi sokuqina, kukhuthaza ukumuncwa kwesimende namandla, futhi kusebenza njengefilimu evikelayo ebusweni besimende. Ngaphezu kwalokho, i-MHEC ilungele imvelo. Ngakho-ke, i-MHEC iwumkhiqizo obalulekile embonini yokwakha njengoba ithuthukisa ikhwalithi yesimende futhi inikeza izinzuzo kubasebenzi kanye nemvelo.
Isikhathi sokuthunyelwe: Okthoba-18-2023