The influence of kaolin filler on thermal and spectral characteristics of rubberizing components without rubber

Feriancová, Andrea; Pajtášová, Mariana; Paliesková, J.; Ondrušová, Darina; Kopcová, M.; Jóna, E.; Mojumdar, S. C.

doi:10.1007/s10973-013-3060-0

Cited by 5 publications

(2 citation statements)

References 42 publications

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“…Kaolin occurs in the form of a white or cream powder. Kaolin is used as a cheap semi-active filler but also causes blistering of the vulcanizate [ 28 , 29 , 30 , 31 ]. Calcium oxide is also used as a filler [ 32 ].…”

Section: Introductionmentioning

confidence: 99%

The Use of Copper Oxides as Cross-Linking Substances for Chloroprene Rubber and Study of the Vulcanizates Properties. Part I

2021

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The purpose of this work was to verify the ability to cross-link the chloroprene rubber (CR) by using copper oxides: copper(I) oxide or copper(II) oxide. The use of copper oxides arises from the need to limit the application of ZnO as a cross-linking agent of CR. The obtained results indicate that CR compositions cross-linked with copper oxides are characterized by good mechanical properties and a high cross-linking degree. The results show that the type and the amount of copper oxides influence the cross-linking of the CR and the properties of the vulcanizates. For compositions containing copper(II) oxide, the properties are linearly dependent on the amount of CuO. Such a relationship is difficult to notice in the case of the use of copper(I) oxide—when analyzing individual parameters, the best results are obtained for different samples. Infrared spectroscopy (IR) studies confirmed the possibility of cross-linking of chloroprene rubber with copper oxides. This is evidenced by the characteristic changes in the intensity of the bands. Structural changes in the material during heating were determined by the thermal analysis—differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). Regardless of the type and amount of copper oxide, all compositions exhibit similar characteristics, and there are no significant changes in the glass transition temperature of the material.

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Section: Introductionmentioning

confidence: 99%

The Use of Copper Oxides as Cross-Linking Substances for Chloroprene Rubber and Study of the Vulcanizates Properties. Part I

2021

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“…It is also considered one of the most suitable adsorbents due to its layered structure, strong chemical and thermal stability. Kaolinite is a hydrated aluminum silicate structure Al2Si2O5(OH)4 with a basic unit 1:1layer structure ratio consisting of two different aluminosilicate surfaces, one of a tetrahedral silicate sheet and the other is an octahedral aluminum sheet [13]. The two sheets coordinate by hydrogen bonds between oxygen ions in one sheet with hydroxyl groups in the next.…”

Section: Introductionmentioning

confidence: 99%

Comparative study of synthesized Kaolinite supported-metal oxides for Th (IV) adsorption

Elhefnawy,

Elabd

2023

Arab Journal of Nuclear Sciences and Applications

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Egyptian natural kaolinite was supported with metal oxides ZnO and CuO to prepare modified kaolinite KCu and KZn for Th(IV) adsorption from an aqueous solution. Different analyses such as SEM, EDX, XRD, and FTIR described the morphology and structural characteristics of the new adsorbents KCu and KZn. The adsorption process was applied in batch experiments as a function of pH, contact time, initial Th(IV) concentration, temperature, regeneration, and reusability. The equilibrium stage was achieved at 120 min. Experimental data were well described by the pseudo-second-order and Langmuir models with maximum adsorption capacities of 62.89 and 56.179 mg/g for KCu and KZn, respectively. Thermodynamic parameters were calculated and proved the spontaneous and endothermic nature of the adsorption process, which showed that the modified kaolinite is sensitive to temperature. Thermodynamics studies confirmed that adsorption is feasible and spontaneous. The regeneration and reusability study showed that KCu and KZn are economically viable.

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The effect of modified Cu(II) kaolinite on interactions with rubberizing components

Feriancová

Pajtášová

Pecušová

et al. 2019

Applied Clay Science

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The influence of kaolin filler on thermal and spectral characteristics of rubberizing components without rubber

Cited by 5 publications

References 42 publications

The Use of Copper Oxides as Cross-Linking Substances for Chloroprene Rubber and Study of the Vulcanizates Properties. Part I

The Use of Copper Oxides as Cross-Linking Substances for Chloroprene Rubber and Study of the Vulcanizates Properties. Part I

Comparative study of synthesized Kaolinite supported-metal oxides for Th (IV) adsorption

The effect of modified Cu(II) kaolinite on interactions with rubberizing components

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