Kwanan Wata:11,Dec,2023
Cellulosesana ƙara yin amfani da su a cikin kayan da ake amfani da su na siminti, musamman a busassun turmi, saboda kyakkyawar riƙewar ruwa da tasirinsu.Saboda haka, Properties da samuwar inji nacellulose ether gyare-gyare na tushen siminti da hulɗar tsakanincellulose ether kuma slurry siminti a hankali ya zama abin da aka fi mayar da hankali a fannonin gine-gine da aikin injiniya a cikin 'yan shekarun nan.An samu sakamakon bincike da yawa.Haɗa ci gaban bincike a gida da waje, har yanzu akwai matsaloli masu zuwa a cikin bincike da aikace-aikacencellulose ether kayan aikin siminti da aka gyara:
1.Akwai iri dayawacelluloses.Ko dacelluloses Ana amfani da kayan da aka yi da siminti zuwa nau'ikan nau'ikan HEC, HEMC da HPMC saboda matakin maye gurbinsu.Irin wannan nau'incellulosessuna da bambance-bambance masu yawa a cikin tsarin kwayoyin halitta, nauyin kwayoyin halitta, digiri na maye gurbin ko abin da zai maye gurbinsu.A halin yanzu, yawancin bincike a gida da waje yana mai da hankali kan daya ko dayawacelluloses.Zabincellulose ether yana iyakance ga fagagen aikace-aikacen su daban-daban.Tsarin kwayoyin halitta halaye nacelluloses Ba a nuna su ba, kuma wakilcin su ba wakilci ba ne.Ƙarshen ita ce sakamakon da ba makawa na "canza wani ɓangare", kuma akwai sabani da jayayya tsakanin sakamakon gwajin.Sabili da haka, ya zama dole don nazarin tsarin tsarawa da rarrabuwa da kaddarorin tsarin da hanyoyin nau'ikan nau'ikan nau'ikan nau'ikan iri daban-dabancellulose ether kayan gelling da aka gyara.
2.Abubuwan da suka wanzu sun yi nazarin tasirincelluloses a kan kaddarorin daban-daban na kayan siminti, kuma sun gudanar da wani bincike na tsarin samuwarsa, amma ya kasa tantance dangantakar dake tsakanin tsarin kwayoyin halitta.celluloses da kaddarorin slurry siminti da aka gyara.na yau da kullun, kuma akwai bambance-bambance a bayyane a cikin hanyoyin su.Daga cikincellulose ether-gyaran siminti-tushen kayan, akwai 'yan karatu a kan kayan da daban-daban kwayoyin Tsarin, wanda ba zai iya da gaske bayyana samuwar inji na daban-daban kaddarorin.cellulose ether-gyaran siminti kayan..Ko da yake wasu adabi sun gano hakacelluloses tare da nau'ikan kwayoyin halitta daban-daban suna da tasiri daban-daban akan hydration na siminti, dalilan da suka haifar da su ba a riga an kara bayyana su ba.
3.Hanyar tasiri nacellulose ether akan siminti hydration kinetics ya rage da za a kara yin nazari.A halin yanzu, game da jinkirin tsarin hydration nacellulose ether, ko da yake ana ɗaukar adsorption a matsayin ainihin dalilin jinkirta jinkirincellulose ether, an gano cewa ƙarfin ƙarfin adsorption tsakanin samfuran hydration dacellulose ether, da ƙarin jinkirin hydration na siminti.The adsorption inji tsakanincelluloses da siminti hydration kayayyakin, kazalika da dalilai na daban-daban adsorption capacities na daban-dabancelluloses da siminti hydration kayayyakin, ba a kara nazari.
4.Abubuwan da suka wanzu suna nuna hakacelluloses zai iya tasiri sosai akan tsarin pore na kayan tushen sumunti.Celluloses An kuma yi imani da cewa suna aiki a saman kuma suna da tasirin iska akan sabobin siminti slurries, don haka yana ƙaruwa da ƙarfi na tauraren siminti slurries.Duk da haka, tasirincelluloses a kan na yau da kullum da kuma samuwar inji na ciminti slurry pore size rarraba da wuya magana.
5. Rheological Properties wani muhimmin al'amari na aikace-aikace nacelluloses a cikin siminti kayan aiki.Abin baƙin ciki, akwai 'yan karatu a kan rheological Properties nacellulose ether gyara siminti slurry a gida da waje.
Lokacin aikawa: Dec-11-2023