Ngemva kokufaka i-hydroxypropyl methylcellulose ezintweni ezisekelwe kusimende, ingajiya. Inani le-hydroxypropyl methylcellulose linquma isidingo samanzi sezinto ezisekelwe kusimende, ngakho-ke kuzothinta umkhiqizo we-mortar.
Izici eziningana zithinta i-viscosity ye-hydroxypropyl methylcellulose:
1. Uma izinga lokupholimetha kwe-cellulose ether liphakeme, isisindo sayo sama-molecule sikhulu, futhi i-viscosity yesisombululo samanzi iphakeme;
2. Uma ukungenisa (noma ukuhlushwa) kwe-cellulose ether kuphakeme, kulapho i-viscosity yesisombululo sayo samanzi iphakama khona. Kodwa-ke, kubalulekile ukunaka ukukhetha ukungenisa okufanele ngesikhathi sokusetshenziswa ukuze ugweme ukungenisa ngokweqile, okuzothinta umsebenzi we-mortar kanye ne-concrete.
3. Njengezinye izinto eziningi eziwuketshezi, i-viscosity yesisombululo se-cellulose ether izoncipha ngokwanda kwezinga lokushisa, futhi lapho ukuhlushwa kwe-cellulose ether kuphakeme, kulapho ithonya lokushisa liba likhulu khona;
4. Isixazululo se-hydroxypropyl methylcellulose ngokuvamile siyi-pseudoplastic, esinophawu lokunciphisa ukucheba. Uma izinga lokucheba lilikhulu ngesikhathi sokuhlolwa, i-viscosity iyancipha.
Ngakho-ke, ukuhlangana kwe-mortar kuzoncipha ngenxa yamandla angaphandle, okuwusizo ekwakhiweni kokuklwebha kwe-mortar, okuholela ekusebenzeni kahle kanye nokuhlangana kwe-mortar ngesikhathi esifanayo.
Isixazululo se-hydroxypropyl methylcellulose sizobonisa izici zoketshezi lwe-Newtonian lapho ukuhlushwa kuphansi kakhulu futhi i-viscosity iphansi. Lapho ukuhlushwa kwanda, isixazululo sizobonisa kancane kancane izici zoketshezi lwe-pseudoplastic, futhi lapho ukuhlushwa kuphakeme, kulapho i-pseudoplasticity isobala khona.
Isikhathi sokuthunyelwe: Jan-28-2023