Facile synthesis of high antistatic mica-titania@graphene composite pearlescent pigment at room temperature

Wang, Yan; Liu, Ziwei; Lu, Xiaowang; Lu, Guolin; Sun, Jing

doi:10.1016/j.dyepig.2017.06.042

Cited by 9 publications

(2 citation statements)

References 27 publications

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“…Co-precipitation calcination method is used to coat ATO on the surface of MT with sodium hydrate (NaOH) as precipitant [58]. However, ATO and MT pigment modest adhesion and downgraded pearlescent effect of MT pigments can be affected by muscovite crystal structure that could be destroyed or damaged during calcination [62].…”

Section: Nano-sized Micas For Pearlescent Pigment Productionmentioning

confidence: 99%

Physical-Chemical Properties of Nano-Sized Phyllosilicates: Recent Environmental and Industrial Advancements

Elmi

2023

Encyclopedia

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Phyllosilicates are common minerals that include the most widely known micas and clay minerals. These minerals are found in several natural environments and have unique physical-chemical features, such as cation exchange capacity (CEC) and surface charge properties. When phyllosilicates are nano-sized, their physical-chemical properties are enhanced from those of the micro-sized counterpart. Because of their unique crystal chemical and physical-chemical features, kinetics, and particle size, nano-sized clay minerals (i.e., kaolinite, montmorillonite/illite) and micas (i.e., muscovite) are of great interest in several fields spanning from environmental applications to engineered materials. This paper aims to overview the recent developments of environmental protection and technological applications employing nano-sized natural micas and clay minerals. Emphasis is given to the role that the unique physical-chemical properties of montmorillonite, vermiculite, kaolinite, and muscovite play in nanoparticle formulations, manufacture, and technical performance.

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Section: Nano-sized Micas For Pearlescent Pigment Productionmentioning

confidence: 99%

Physical-Chemical Properties of Nano-Sized Phyllosilicates: Recent Environmental and Industrial Advancements

Elmi

2023

Encyclopedia

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“…Metal oxides such as Cr 2 O 3 (green), CoAl 2 O 4 (blue), NiAl 2 O 4 + Al 2 O 3 (green), CoAl 2 O 4 + Al 2 O 3 (aquamarine blue), TiO 2 + FeTiO 5 (gold), TiO 2 + CoTiO 3 (dark green) and TiO 2 + NiTiO 3 (yellow) can be imparted to produce different colours (Štengl et al , 2003). Combination pigments can be synthesized also for some other special purposes such as forming graphene layer at the top to produce an antistatic effect (Wang et al , 2017a; Wang et al , 2017b; Cramer, 2016; Malm et al , 2014).…”

Section: Introductionmentioning

confidence: 99%

Combination effect pigments with enhanced fluorescence

Kahya

Sönmez

Gündüz

et al. 2019

PRT

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Purpose The purpose of this paper is to enhance the limited fluorescence of mica titania (MT) effect pigments by coating them with peripherally substituted zinc phthalocyanines (ZnPc). Design/methodology/approach The effects of deposition medium, temperature, time, initial organic pigment/MT ratio on deposition behaviour and efficiencies were investigated separately for ZnPc, nitro (TNZnPc) and amino (TAZnPc) substituted ZnPc’s. Findings TNZnPc could be deposited in the form of well-defined crystals on MT with per cent 64 ± 5 efficiency in chloroform at 50°C within 5 h and the amount deposited was linearly dependent on the initial TNZnPc concentration. TNZnPc fluorescence emissions, which appear mainly at 460 and 685 nm in pure pigments, could be observed in combination with MT (MT-TNZnPc) as well. A spectral analysis on the non-overlapping region of the spectrum with two different excitations (385 and 630 nm) revealed that, respectively, up to threefold to sixfold increase is possible to attain, depending on the excitation wavelengths. Research limitations/implications Efficiency of deposition could not be taken above per cent 11 ± 4 with TAZnPc. Although ZnPc could be deposited with per cent 57 ± 3 efficiency, the pigment was not effective in imposing its fluorescence characteristics over MT. Originality/value Combining inorganic effect pigments with organic dye molecules is an idea that has been elaborated mainly for producing different colour effects and stabilization of dye molecules against agglomeration. Here, for the first time, it is used to enhance the fluorescence of the effect pigments.

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Cost-effective pearlescent pigments with high near-infrared reflectance and outstanding energy-saving ability for mitigating urban heat island effect

Zhuo,

Zhou,

Fang

et al. 2024

Applied Energy

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Facile synthesis of high antistatic mica-titania@graphene composite pearlescent pigment at room temperature

Cited by 9 publications

References 27 publications

Physical-Chemical Properties of Nano-Sized Phyllosilicates: Recent Environmental and Industrial Advancements

Physical-Chemical Properties of Nano-Sized Phyllosilicates: Recent Environmental and Industrial Advancements

Combination effect pigments with enhanced fluorescence

Cost-effective pearlescent pigments with high near-infrared reflectance and outstanding energy-saving ability for mitigating urban heat island effect

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