Synthesis, characterization and some physicochemical properties of polypyrrole/halloysite composites

Eser, Nihal; Önal, Müşerref; Çeli̇k, Meltem; Pekdemir, Abdullah Devrim; Sarıkaya, Yüksel

doi:10.1080/10601325.2019.1691447

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Structure and Prepration1

Differential Thermal Analysis Of the Halloysite Powder1

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Cited by 12 publications

(2 citation statements)

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“…Polypyrrole black powder may be synthesized via the oxidation of pyrrole by chemical oxidants. Different inorganic initiators such as ammonium persulfate [21] , potassium persulfate [22] , copper (II) perchlorate [23] , benzoyl peroxide [24] , aqueous or anhydrous iron (III) chloride [25] and hydrogen peroxide [26] have been used for the chemical polymerization of pyrrole.…”

Section: Structure and Preprationmentioning

confidence: 99%

Electroconductive multi-functional polypyrrole composites for biomedical applications

Zare

Agarwal

Zarepour

et al. 2021

Applied Materials Today

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Section: Structure and Preprationmentioning

confidence: 99%

Electroconductive multi-functional polypyrrole composites for biomedical applications

Zare

Agarwal

Zarepour

et al. 2021

Applied Materials Today

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“…The exothermic peak at about 982°C is about thermal decomposition of the halloysite mineral without any mass loss [16].…”

Section: Differential Thermal Analysis Of the Halloysite Powdermentioning

confidence: 99%

Influence of calcined halloysite on technological & mechanical properties of wall tile body

Selli

Aker

Basaran

et al. 2021

Journal of Asian Ceramic Societies

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The effect of adding 0.1, 0.3, 0.6, 1.0 wt.% halloysite clay, which calcined at 600, 800, 1000 and 1200°C, to the standard wall tile slurry was studied. Wet milled halloysite was sieved with different sizes to examine the halloysite grain size effect. The granulated samples were pressed by applying a pressure of 30 MPa using a hydraulic press and made ready for sintering at 1150°C for 30 minutes. Detailed technological, mechanical and microstructural characterization studies were done on sintered samples. Compared to standard wall tile, almost all the halloysite added samples displayed similar technological properties but higher green and fired strength values. The produced sample with adding 0.6% halloysite (at 600°C calcined) by weight showed a higher firing strength with 28.75 MPa value than the minimum requirement (17.75 MPa). Observation of needlelike microstructure in the porcelain body led to establishing a simple relationship between the interlocking effects of thin needlelike mullite grains and increasing strength values. This study has shown that the addition of calcined halloysite may be an alternative to produce a thinner section wall tile product.

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Irreversible thermal transformation kinetics of halloysite to metahalloysite using XRD analysis

Önal,

Sarıkaya

2023

J Therm Anal Calorim

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Synthesis, characterization and some physicochemical properties of polypyrrole/halloysite composites

Cited by 12 publications

References 29 publications

Electroconductive multi-functional polypyrrole composites for biomedical applications

Electroconductive multi-functional polypyrrole composites for biomedical applications

Influence of calcined halloysite on technological & mechanical properties of wall tile body

Irreversible thermal transformation kinetics of halloysite to metahalloysite using XRD analysis

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