A pigment based on coprecipitated iron(III) and nickel(II) hydroxides

Pishch, I. V.; Radion, E. V.

doi:10.1007/bf01166033

Cited by 8 publications

(5 citation statements)

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“…Enhanced electrodeposition of Ni at low current densities can be explained with the fact that the precipitation of Ni(OH) 2 starts at lower pH values (∼4.4 e.g. [40]) with respect to that of Zr(OH) 4 (∼5.5 [41]) and Y(OH) 3 (∼7 [42]). …”

Section: Compositional Analysis By Edxmentioning

confidence: 99%

Electrodeposition of NiO/YSZ from hydroalcoholic solutions containing Chitosan

Tondo

Boniardi

Cannoletta

et al. 2009

Surface and Coatings Technology

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Section: Compositional Analysis By Edxmentioning

confidence: 99%

Electrodeposition of NiO/YSZ from hydroalcoholic solutions containing Chitosan

Tondo

Boniardi

Cannoletta

et al. 2009

Surface and Coatings Technology

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“…Solution combustion synthesis (SCS) is a novel technique used worldwide to obtain nanocrystalline oxide materials [2]. Currently, there are many methods to synthesize simple and mixed oxides: from the most traditional ones such as high temperature solid-state reaction (ceramic method) [3,4] or co-precipitation [5,6], to the most up-to-date wet-chemical ones such as the polymeric precursor technique [7,8] or sol-gel method [9,10], among others. All these techniques present important drawbacks as coarse product development, high temperature requirements, presence of impurities or difficulties in their processing, among others.…”

Section: Introductionmentioning

confidence: 99%

Effect of secondary thermal treatment on crystallinity of spinel-type Co(Cr,Al)2O4 pigments synthesized by solution combustion route

Gilabert

Gómez-Tena

Sanz

et al. 2018

Journal of Non-Crystalline Solids

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The effect of a post-synthesis thermal treatment on CoCr 2-2Y Al 2Y O 4 (0.0≤Y≤1.0) ceramic pigments synthesized by Solution Combustion Synthesis (SCS) has been studied. Assynthesized SCS pigments were treated at two different calcination temperatures (800 ºC and 1000 ºC) to study changes in mineralogy, microstructure and thermal behaviour, as well as their effect over the colouring power. Spinel-type Fd-3m crystalline structure was developed in all cases. Nevertheless, crystallinity parameters were highly affected by both analysed processing parameters: composition (Y) and post-synthesis calcination temperature (T c). A Cr(III) enrichment along with T c increase favoured ion rearrangement to promote sample crystallization and crystallite growth. Fast kinetics of SCS makes Al-rich spinels with transition metals difficult to be synthesized. The application of a secondary thermal treatment resulted in a favourable evolution towards a well-crystallized structure. Lattice parameter did not seem to be affected by T c , although it evolved indeed with composition. From a microstructural point of view, as-synthesized pigments were foamy, with a very low bulk density and nanometric grain size. After the thermal treatment, larger grain sizes were obtained, especially for the samples richer in Al and treated at higher T c. All pigments developed intense colours in a transparent glaze without showing heterogeneities, indicating a stable behaviour against glazing process. Glaze colour evolved from green to perfectly blue shades, indicating an important dependence on composition. Nevertheless, colouring power seemed to be rather affected by calcination process.

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“…This circumstance is revitalizing the industrial interest towards alternative routes for pigment synthesis and technological solutions to improve the color performance. Co‐precipitation method, sol‐gel route, synthesis by using of polymeric precursors, or even reaction in molten salts are some of them to highlight.…”

Section: Introductionmentioning

confidence: 99%

Effects of composition and furnace temperature on (Ni, Co) (Cr, Al)₂O₄ pigments synthesized by solution combustion route

Gilabert

Palacios

Sanz

et al. 2017

Int J Applied Ceramic Tech

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The effects of composition and furnace temperature on Ni 1-Ψ Co Ψ Cr 2À2Ψ Al 2Ψ O 4 (0≤Ψ≤1) pigments prepared by Solution Combustion Synthesis were studied.As-synthesized samples showed spinel-like spongy structure, very easy to grind. However, important differences on crystallinity, crystal size, and microstructure were observed depending on composition and furnace temperature. All pigments developed intense tones, covering a wide color palette because of composition influence, although little effect was observed with furnace temperature. Stable crystalline structures, suitable grain size, and high resistance against synthesizing variables and ceramic glazes make SCS pigments perfect candidates to be used in the ceramic ink-jet decoration.

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A pigment based on coprecipitated iron(III) and nickel(II) hydroxides

Cited by 8 publications

References 0 publications

Electrodeposition of NiO/YSZ from hydroalcoholic solutions containing Chitosan

Electrodeposition of NiO/YSZ from hydroalcoholic solutions containing Chitosan

Effect of secondary thermal treatment on crystallinity of spinel-type Co(Cr,Al)2O4 pigments synthesized by solution combustion route

Effects of composition and furnace temperature on (Ni, Co) (Cr, Al)₂O₄ pigments synthesized by solution combustion route

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A pigment based on coprecipitated iron(III) and nickel(II) hydroxides

Cited by 8 publications

References 0 publications

Electrodeposition of NiO/YSZ from hydroalcoholic solutions containing Chitosan

Electrodeposition of NiO/YSZ from hydroalcoholic solutions containing Chitosan

Effect of secondary thermal treatment on crystallinity of spinel-type Co(Cr,Al)2O4 pigments synthesized by solution combustion route

Effects of composition and furnace temperature on (Ni, Co) (Cr, Al)2O4 pigments synthesized by solution combustion route

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Effects of composition and furnace temperature on (Ni, Co) (Cr, Al)₂O₄ pigments synthesized by solution combustion route