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Effect of waste polyethylene addition on the properties of white portland cement
Miguel A. Valenzuela,Francisco J. Jiménez,Lucía Téllez,이수완,Heberto Balmori-Ramirez 한양대학교 세라믹연구소 2010 Journal of Ceramic Processing Research Vol.11 No.2
The effect of the addition of organic compounds (OC) an ordinary white Portland cement (WPC), on the properties such as compressive strength, fluidity, setting time, porosity and heat of hydration has been studied by adding 0.10-0.80 weight % of OC into the cement. The mixture of organic compounds obtained from a thermo-depolymerization of waste polyethylene (WP)and hydroxylation was composed by alcohols, alkenes and alkanes. The compressive strength was significantly dependent on the amount of OC. The highest value (45.3MPa) was found by adding 0.35 wt.% of the OC. The porosity of the modified WPC did not change in the range 0-0.4 wt.% OC, however from 0.5-0.8 wt.% OC caused a linear increase of the porosity.