1. Izinkinga ezivamile ku-putty powder
Ukomisa okusheshayo kubangelwa kakhulu inani lempuphu ye-calcium yomlotha engeziwe (inkulu kakhulu, inani lempuphu ye-calcium yomlotha esetshenziswa kufomula ye-putty lingancishiswa ngokufanele) kuhlobene nesilinganiso sokugcina amanzi se-fiber, futhi kuhlobene nokoma kodonga.
Ukuxebuka nokugoba kuhlobene nesilinganiso sokugcina amanzi, okulula ukwenzeka uma i-viscosity ye-cellulose iphansi noma inani lokwengeza lincane.
Ukususwa kwempuphu yempuphu ye-putty yodonga lwangaphakathi kuhlobene nenani lempuphu ye-calcium yomlotha engeziwe (inani lempuphu ye-calcium yomlotha kufomula ye-putty lincane kakhulu noma ubumsulwa bempuphu ye-calcium yomlotha liphansi kakhulu, kanti inani lempuphu ye-calcium yomlotha kufomula yempuphu ye-putty kufanele likhuliswe ngokufanele). Ngesikhathi esifanayo, kuhlobene nenani kanye nekhwalithi ye-cellulose, ebonakala ngesilinganiso sokugcina amanzi somkhiqizo. Izinga lokugcina amanzi liphansi, kanti isikhathi sempuphu ye-calcium yomlotha (i-calcium oxide kumpuphu ye-calcium yomlotha ayiguqulwanga ngokuphelele ibe yi-calcium hydroxide) asanele.
Ukugqwala kuhlobene nomswakama owomile kanye nokuba yisicaba kodonga, futhi kuhlobene nokwakhiwa kwalo.
Ukubonakala kwama-points kuhlobene ne-cellulose, enezakhiwo ezimbi zokwakha ifilimu. Ngesikhathi esifanayo, ukungcola ku-cellulose kusabela kancane ne-calcium yomlotha. Uma ukusabela kukubi kakhulu, i-putty powder izovela esimweni se-bean curd residue. Ayikwazi ukufakwa odongeni, futhi ayinawo amandla okuhlangana ngesikhathi esifanayo. Ngaphezu kwalokho, lesi simo siyenzeka nangemikhiqizo efana ne-carboxymethyl exutshwe ne-cellulose.
Kuvela ama-crater kanye nemigodi emincane. Lokhu kusobala ukuthi kuhlobene nokucindezeleka kwamanzi kwesisombululo samanzi se-hydroxypropyl methylcellulose. Ukucindezeleka kwetafula lamanzi kwesisombululo samanzi se-hydroxyethyl akubonakali. Kungaba kuhle ukwenza ukwelashwa kokuqeda.
Ngemva kokuba i-putty yomile, kulula ukuyiqhekeka bese iphenduka ibe phuzi. Lokhu kuhlobene nokufakwa kwenqwaba yempuphu yomlotha-calcium. Uma inani lempuphu yomlotha-calcium lingezwa kakhulu, ubulukhuni bempuphu yomlotha buzokhula ngemva kokoma. Uma impuphu yomlotha ingenakho ukuguquguquka, izoqhekeka kalula, ikakhulukazi uma ingaphansi kwamandla angaphandle. Kuhlobene futhi nokuqukethwe okuphezulu kwe-calcium oxide kumpuphu yomlotha we-calcium.
2. Kungani i-putty powder iba ncane ngemva kokufaka amanzi?
I-Cellulose isetshenziswa njengesithako esiqinisayo nesigcina amanzi ku-putty. Ngenxa ye-thixotropy ye-cellulose uqobo, ukungezwa kwe-cellulose ku-putty powder nakho kuholela ku-thixotropy ngemva kokufaka amanzi ku-putty. Le thixotropy ibangelwa ukubhujiswa kwesakhiwo esihlanganisiwe kalula sezingxenye ku-putty powder. Lesi sakhiwo sivela lapho siphumule futhi siwohloka ngaphansi kokucindezeleka. Okusho ukuthi, i-viscosity iyancipha lapho ixutshwa, futhi i-viscosity iyalulama lapho ime ndawonye.
3. Yisiphi isizathu esenza i-putty ibe nzima kakhulu enqubweni yokuklwebha?
Kulesi simo, ubungako be-cellulose esetshenziswa ngokuvamile buphakeme kakhulu. Abanye abakhiqizi basebenzisa i-cellulose engu-200,000 ukwenza i-putty. I-putty ekhiqizwa ngale ndlela inobungako obuphezulu, ngakho-ke izwakala inzima uma iklwejwa. Inani elinconywayo le-putty yezindonga zangaphakathi lingu-3-5 kg, kanti ubungako bungu-80,000-100,000.
4. Kungani i-viscosity cellulose efanayo izwakala ihlukile ebusika nasehlobo?
Ngenxa yokushisa komkhiqizo, i-viscosity ye-putty kanye ne-mortar izoncipha kancane kancane uma izinga lokushisa likhuphuka. Lapho izinga lokushisa lidlula izinga lokushisa le-gel lomkhiqizo, umkhiqizo uzokhishwa emanzini bese ulahlekelwa yi-viscosity yawo. Izinga lokushisa legumbi ehlobo ngokuvamile lingaphezu kwama-degrees angu-30, okuhluke kakhulu ekushiseni kwasebusika, ngakho-ke i-viscosity iphansi. Kunconywa ukukhetha umkhiqizo ono-viscosity ophezulu lapho usebenzisa umkhiqizo ehlobo, noma ukwandisa inani le-cellulose, nokukhetha umkhiqizo onokushisa okuphezulu kwe-gel. Zama ukungasebenzisi i-methyl cellulose ehlobo. Izinga lokushisa le-gel liphakathi kwama-degrees angaba ngu-55, uma izinga lokushisa liphakeme kancane, i-viscosity yayo izothinteka kakhulu.
Isikhathi sokuthunyelwe: Meyi-04-2023