Effect of Mixing Parameter on Epoxy-Organo Montmorillonite Composites: Flexural and Microscopy Analysis

This paper presents the effect of chloride ion diffusion on the corrosion activity of kaolin geopolymer paste in artificial seawater. An aluminosilicate material that rich with aluminium and silicon such as kaolin is selected as a raw material in the geopolymerization of geopolymer. Kaolin then mixed with an alkaline activator that consist mixture of sodium hydroxide (NaOH) solution with sodium silicate (Na2SiO3) solution. Two types of samples are used in this study, which 7 days and 14 days sample. A few testing is conducted in order to test the chloride ion diffusion on the samples such as Rapid Chloride Permeability Test, Rapid Migration Test and Salinity Test. The result shows that sample for 7 days consist the higher penetration of chloride ion compare sample of 14 days. This is proven with the result of salinity. A longer curing time of the sample cause a lesser penetration of Cl− ion.

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The effect of chloride ion diffusion on corrosion activity of kaolin geopolymer paste in artificial seawater

Zainal

Hakim

Daud

et al. 2019

IOP Conf. Ser.: Mater. Sci. Eng.

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Influence of filler content and mixing time on the properties and morphology of kenaf/polyurethane foam composites

Soberi

Rozyanty

Zainuddin

et al. 2019

IOP Conf. Ser.: Mater. Sci. Eng.

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Kenaf/polyurethane foam composites were prepared at percentage of 2, 4, 6 and 8 wt% of kenaf fiber. Free rising polyurethane foam was prepared at constant (NCO/OH) ratio 1.5:2, while water was used as blowing agent. The mixture was stirred at 400 rpm using mixing times of 20 and 25 seconds. Rise time and hardness of the composites was determined. From the results obtained, rise time and hardness of polyurethane foam composites were reduced at 25s mixing time. However, as kenaf core fiber increase, the rise time decreased and the hardness of the foam composite increased. The Scanning Electron Microscopy (SEM) analysis evidenced the presence of regular cell shape and uniform cell size in the kenaf/polyurethane foam composites. The findings indicate the potential of using kenaf fiber to enhance the properties of the polyurethane foam.

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Effect of Mixing Parameter on Epoxy-Organo Montmorillonite Composites: Flexural and Microscopy Analysis

Cited by 2 publications

References 11 publications

The effect of chloride ion diffusion on corrosion activity of kaolin geopolymer paste in artificial seawater

The effect of chloride ion diffusion on corrosion activity of kaolin geopolymer paste in artificial seawater

Influence of filler content and mixing time on the properties and morphology of kenaf/polyurethane foam composites

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