1. Izinkinga ezivamile ku-putty powder
ukoma ngokushesha
Lokhu kuhlobene kakhulu nenani lempuphu ye-calcium yomlotha engeziwe (inkulu kakhulu, inani lempuphu ye-calcium yomlotha esetshenziswa kufomula ye-putty lingancishiswa ngokufanele) kanye nezinga lokugcina amanzi le-hydroxypropyl methylcellulose (HPMC), futhi kuhlobene nokoma kodonga okuhlobene.
Ukuhlubula nokugoqa
Lokhu kuhlobene nesilinganiso sokugcina amanzi, okulula ukwenzeka uma i-viscosity ye-hydroxypropyl methylcellulose (HPMC) iphansi noma inani elingeziwe lincane.
Ukususa ufulawa we-wall putty powder yangaphakathi
Lokhu kuhlobene nenani lempuphu ye-calcium yomlotha (inani lempuphu ye-calcium yomlotha kufomula ye-putty lincane kakhulu noma ubumsulwa bempuphu ye-calcium yomlotha buphansi kakhulu, futhi inani lempuphu ye-calcium yomlotha kufomula yempuphu ye-putty kufanele likhuliswe ngokufanele), futhi kuhlobene nenani le-hydroxypropyl methyl. Inani le-base cellulose (HPMC) lihlobene nekhwalithi, ebonakala ngesilinganiso sokugcina amanzi somkhiqizo. Izinga lokugcina amanzi liphansi, futhi isikhathi sempuphu ye-calcium yomlotha (i-calcium oxide kumpuphu ye-calcium yomlotha ayiguqulwanga ngokuphelele ibe yi-calcium hydroxide) asanele. ,kubangelwa.
ukuphuphuma
Lokhu kuhlobene nomswakama owomile kanye nokuba yisicaba kodonga, futhi kuhlobene nokwakhiwa kwalo.
iphuzu lephini
Lokhu kuhlobene ne-cellulose, enezakhiwo ezimbi zokwakha ifilimu. Ngesikhathi esifanayo, ukungcola ku-hydroxypropyl methylcellulose (HPMC) kusabela kancane nge-calcium yomlotha. Uma ukusabela kukubi kakhulu, i-putty powder izoba sesimweni se-bean curd residue. Ayikwazi ukufakwa odongeni, futhi ayinawo amandla okuhlangana ngesikhathi esifanayo. Ngaphezu kwalokho, imikhiqizo efana ne-hydroxypropyl methylcellulose (HPMC) exutshwe neqembu le-carboxymethyl nayo ivela kulesi simo.
Kuvela izintaba-mlilo kanye nemigodi emincane
Lokhu kusobala ukuthi kuhlobene nokucindezeleka kwamanzi kwesisombululo samanzi se-hydroxypropyl methylcellulose (HPMC). 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 nokwengezwa kwenani elikhulu lempuphu 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-Hydroxypropyl methylcellulose (HPMC) isetshenziswa njengesithako esiqinisayo nesigcina amanzi kumafutha. Ngenxa ye-thixotropy ye-hydroxypropyl methylcellulose (HPMC), i-hydroxypropyl methylcellulose ku-putty powder Ukwengezwa kwe-HPMC nakho kwabangela i-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, i-viscosity ye-hydroxypropyl methylcellulose (HPMC) esetshenziswa ngokuvamile iphakeme kakhulu, futhi abanye abakhiqizi basebenzisa ama-yuan angu-200,000 ukwenza i-putty. I-putty ekhiqizwa ngale ndlela ine-viscosity ephezulu, ngakho-ke izocwila lapho ihlungwa nge-batch. Inani elinconywayo le-putty yezindonga zangaphakathi lingu-3-5 kg, kanti i-viscosity ingu-80,000-100,000.
4. Kungani unomuzwa wokuthi i-viscosity ye-hydroxypropyl methylcellulose (HPMC) ene-viscosity efanayo 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 i-viscosity yawo. Izinga lokushisa legumbi ehlobo ngokuvamile lingaphezu kwama-degrees angu-30, okuhluke kakhulu ekushiseni ebusika, ngakho-ke i-viscosity iphansi. Kunconywa ukukhetha umkhiqizo ono-viscosity ophezulu lapho usebenzisa umkhiqizo ehlobo, noma ukwandisa inani le-hydroxypropyl methylcellulose (HPMC), nokukhetha umkhiqizo onokushisa okuphezulu kwe-gel.
Isikhathi sokuthunyelwe: Ephreli-12-2023