Ultrafine V-ZrSiO4 pigment prepared by a bottom-up approach: Particle size evolution and chromatic properties

Li, Xiaohong; Wang, Qikun; Wang, Chao; Zhang, Wenjie; Yang, Yulong; Liu, Kun; Wang, Yongqing; Chang, Qibing

doi:10.1016/j.apt.2021.09.008

Cited by 3 publications

(2 citation statements)

References 38 publications

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“…The particle size distributions are shown in Figure , and the median size ( d 50 ) and the particle size distribution (PDI) are in Table . Due to strong hydrophobicity and intermolecular aggregation, the median particle size of CuPc was up to 2300 nm and the PDI is 1.9. , With the addition of lignin dispersants, CuPc aggregates are easily separated to smaller ones. Lignin-NH 2 dispersed CuPc to a small particle size of 59 nm with a 0.169 PDI value.…”

Section: Resultsmentioning

confidence: 99%

Lignins and Lignin Derivatives as Dispersants for Copper Phthalocyanine Pigment Nanoparticles

Yang,

Wang,

Liu

2023

ACS Sustainable Chem. Eng.

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Copper phthalocyanine (CuPc) is a widely used organic blue pigment with color brilliance, light fastness, and low cost. However, its poor dispersibility in aqueous solutions limits the water-borne application. Lignin's hyperbranched polymer structure makes it a potential dispersant. In this study, lignin is functionalized with carboxylic acid (−COOH) and amine (−NH 2 ) to enhance the interaction with aqueous solutions. Their applications as dispersants for CuPc in aqueous solutions are investigated together with commercially available alkali lignin, dealkali lignin, and lignosulfonate. The effectiveness of dispersion stability is evaluated by the suspension stability. Lignin-NH 2 enhanced the suspension stability of CuPc to allow 94 wt % CuPc particles to remain suspended in water for 24 h compared to 24.4 wt % with no dispersant added. The mechanism of dispersion is revealed by the measurements of zeta potential and particle size, as well as the calculation of lignin adsorption amount on CuPc. Moreover, the lignins are applied to disperse CuPc in acrylic resin as a water-based paint application. With the aid of lignin-NH 2 dispersant, CuPc enhances the tinting strength to 110.75% without altering the blue color through color difference measurements. Lignin-NH 2 contributes to both better suspension stability and tinting strength than a commercially available dispersant dioctyl sodium sulfosuccinate (DOSS).

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Section: Resultsmentioning

confidence: 99%

Lignins and Lignin Derivatives as Dispersants for Copper Phthalocyanine Pigment Nanoparticles

Yang,

Wang,

Liu

2023

ACS Sustainable Chem. Eng.

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“…By means of the traditional preparation of the pigments, the size obtained after the calcination process is very high (>20 microns), for which a very energetic and expensive grinding stage is necessary. Use of different soft-chemistry synthesis routes has been used to develop particle size and to avoid or minimize the grinding stage [13][14][15], also the use of thermal decomposition of hydrotalcite-type compounds reduces this size in the final product, thus minimizing the energy consumption of the grinding process because of the adequate particle size obtained [11].…”

Section: Introductionmentioning

confidence: 99%

Nanoparticle Black Ceramic Pigment Obtained by Hydrotalcite-like Compound Microwave Treatment

et al. 2022

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Development of ceramic pigments with controlled particle sizes below 1 µm is essential for the preparation of ceramic inks used in inkjet digital decoration that is currently being applied in the ceramics sector. A black ceramic pigment based on NiCoCrFe composition has been prepared using thermal decomposition of hydrotalcite-like compounds. The stoichiometry ratio between different cations was studied to obtain the blackest pigment, giving Ni0,5Co0,5CrFeO4 the better cation ratio, also the thermal treatment, comparing traditional firing in an electric furnace with microwave treatment. Samples have been characterized by X-ray diffraction, Scanning Electron Microscopy and Lab colour measurement. Microwave treatment showed the best way to obtain a pigment with spinel-type structure and a homogeneous size distribution near to 150 nm, with a high intensity and colorimetric data, reducing drastically the temperature and energy consumption to obtain a black ceramic pigment suitable to be utilized in digital ceramic inks.

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Effect of micronisation on colour and optical properties of ceramic colourants for inkjet printing

Molinari

Ardit

Verucchi³

et al. 2023

Ceramics International

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Ultrafine V-ZrSiO4 pigment prepared by a bottom-up approach: Particle size evolution and chromatic properties

Cited by 3 publications

References 38 publications

Lignins and Lignin Derivatives as Dispersants for Copper Phthalocyanine Pigment Nanoparticles

Lignins and Lignin Derivatives as Dispersants for Copper Phthalocyanine Pigment Nanoparticles

Nanoparticle Black Ceramic Pigment Obtained by Hydrotalcite-like Compound Microwave Treatment

Effect of micronisation on colour and optical properties of ceramic colourants for inkjet printing

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