LiuRuiping, WangHui, GuoFei, et al. Preparation and characterization of fly ash⁃metakaolin based geopolymeric foaming materials[J]. Journal of Mining Science and Technology, 2019, 4(1): 66-71.
Citation: LiuRuiping, WangHui, GuoFei, et al. Preparation and characterization of fly ash⁃metakaolin based geopolymeric foaming materials[J]. Journal of Mining Science and Technology, 2019, 4(1): 66-71.

Preparation and characterization of fly ash⁃metakaolin based geopolymeric foaming materials

  • Thealkaliactivatedflyash⁃metakaolinbasedgeopolymericfoamingmaterialswereprepared atlowtemperaturebyuseofflyash,metakaolin,sodiumhydroxide,sodiumsilicateasthemainrawma⁃ terial*Theeffectofthetypesandcontentsoffoamingagentontheporestructureandpropertiesofthe porous geopolymer were studied,and the thermal stability and structure were also investigated. Comparedtothealuminumandsodiumborate,thefoamingeffectofhydrogenperoxidewasbetter*The properties of geopolymeric foaming materials prepared in ths paper were with bulk density of 0*985g/cm3,compressivestrengthof8*9MPa,lowestthermalconductivityof0*10W/ (m·K)and goodthermalinsulationeffect,whenthecontentofhydrogenperoxidewas0*5%,theconservationtem⁃ peraturewas40℃,conservationhumiditywas70% andconservationtimewas7d*
  • loading

Catalog

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return