Application of Calcined Eggshell Powder as Functional Filler for High Density Polyethylene

Sutapun, Wimonlak; Panuwat, Pakdeechote; Suppakarn, Nitinat; Ruksakulpiwat, Yupaporn

doi:10.1080/03602559.2013.769578

Cited by 28 publications

(17 citation statements)

References 19 publications

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“…Witoon [21] reported the synthesis temperature of CaO from uncalcined eggshells at 700 °C. However, the calcination temperature was reported above 800 °C in some other papers [7,13,16]. Decomposition below 600 °C provided the incomplete removal of organic substances like membranes and proteins, as mentioned in [7].…”

Section: Resultsmentioning

confidence: 99%

“…It is to be noted that, an increasing trend in the formation of Ca(OH) 2 was detected with calcination temperature and consequently calcination at 1100 °C generated the highest percentage of Ca(OH) 2 (79.7%). Justification of the above statement could be attributed by the fact of high temperature decarbonation which stimulated the formation of Ca(OH) 2 during atmospheric disclosure [13,21]. According to the concept of lime kinetic behavior diagram, lime calcined at 1100 °C shows greater reactivity than the lime generated below or above this temperature.…”

Section: Resultsmentioning

confidence: 99%

“…Addition of CaO calcined at 800 °C reduced the PI value of soil. This statement can be indicated by the idea of soil stabilization [13,14]. Accumulation of high concentration of lime (CaO) could cause a reduction in plasticity of soil.…”

Section: Resultsmentioning

confidence: 99%

“…With increasing amount of Ca(OH) 2 in sample as evidenced previously, a slight increment in plasticity index was perceived. As declination of PI value is the indication of improvement in soil property [13], mixing CaO prepared at 800 °C amended the soil characteristics.…”

Section: Resultsmentioning

confidence: 99%

“…Another significant application of eggshells are as mineral fillers in thermoplastic materials like high density polyethylene (HDPE). Natural source of carbonates as a filler material have been adopted widely enhancing the rigidity, thermal stability and density of plastic materials [13]. Most of the construction failures are attributed to poor strength of soil.…”

Section: Introductionmentioning

confidence: 99%

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Evolution and characterization of eggshell as a potential candidate of raw material

et al. 2018

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Characterization of both uncalcined and calcined eggshells was done in this work. Raw eggshells turned out as a good source of calcite phase. Calcined eggshells had a mixture of lime and portlandite phase. A significant impact of calcination temperature on the percentage of generated phases was observed. Qualitative as well as semi-quantitative phase analysis, morphological characterization and physical property estimation was done for the produced powder. The influence of synthesized raw material on soil stabilization and biomaterial formation was further assessed. The eggshell turned out as a potential source of raw material for various sectors. Keywords: eggshell, calcination, true density, plasticity index, hydroxyapatite. Resumo A caracterização de cascas de ovo não calcinada e calcinada foi feita neste trabalho. A casca de ovo mostrou-se uma boa fonte de

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Evolution and characterization of eggshell as a potential candidate of raw material

et al. 2018

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Development of HDPE‐modified eggshell composite

et al. 2016

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This paper investigates the effects of chemical modification of chicken eggshell powder (ESP) by silane coupling agent on the tensile, morphological, and thermal properties of high density polyethylene/chicken eggshell powder (HDPE/ESP) composites. The tensile and morphological properties of HDPE/ESP composites with and without chemical modifications have been characterized by a light weight tensile tester and scanning electron microscopy (SEM) under different ESP loading. The compounding of composites was done using Rheomix mixture to produce a homogenous mixture of ESP in HDPE. The processing torque is very dependent on the content of HDPE matrix resin. The thermal stability and thermal analysis of the composites were performed by thermogravimetric analysis and differential scanning calorimetric analysis (DSC). DSC result shows no significant differences on the melting and crystallization temperature of HDPE with and without chemical modification of ESP. Tensile strength and thermal stability of HDPE/ESP composites were improved with the modification of ESP by silane coupling agent. FTIR results show that ESP was successfully being modified and the silane coupling agent component is present in the composition. In the presence of silane coupling agent, the interfacial interaction and adhesion between HDPE and ESP were enhanced.

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Comparative Study of the Cure Characteristics and Mechanical Properties of Natural Rubber Filled With Different Calcium Carbonate Resources

Mogy

Darwish

Awad

2019

Vinyl Additive Technology

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Bio‐waste materials such as eggshell (ES) and fishbone (FB) were used as new fillers compared with commercial calcium carbonate (CC) in natural rubber composite. The effect of their presence in the rubber mix on the rheometric study, morphology, mechanical properties, hardness, and abrasion resistance has been investigated at constant filler content (30 phr). The filler and their composites were characterized by Fourier‐transform infrared, X‐ray diffraction, thermogravimetric analysis, and scanning electron microscope (SEM). The results showed that the cure time and scorch time of the composites filled with CC and ES are lower than the composites filled FB filler. On the other hand, composites with ES and CC showed enhanced values of tensile, modulus at 100% and 300% elongation, hardness, and abrasion resistance. The morphological data revealed that CC and ES fillers are better dispersed in the rubber matrix than FB filler. J. VINYL ADDIT. TECHNOL., 26:309–315, 2020. © 2019 Society of Plastics Engineers

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Application of Calcined Eggshell Powder as Functional Filler for High Density Polyethylene

Cited by 28 publications

References 19 publications

Evolution and characterization of eggshell as a potential candidate of raw material

Evolution and characterization of eggshell as a potential candidate of raw material

Development of HDPE‐modified eggshell composite

Comparative Study of the Cure Characteristics and Mechanical Properties of Natural Rubber Filled With Different Calcium Carbonate Resources

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