Preparation and Chromaticity Control of CoTiO<sub<3</sub</NiTiO<sub<3</sub< Co-Coated TiO<sub<2</sub< Composite Pigments
In this study, home-made amorphous TiO<sub<2</sub< microspheres with good mono-dispersity and large numbers of mesopores on the surface were used as substrates. The intermediate microspheres were obtained by adding Co/Ni sources with different Co/Ni molar ratios in a water bath and makin...
Ausführliche Beschreibung
Autor*in: |
Yuan Chen [verfasserIn] Wei Guo [verfasserIn] Yuan Huang [verfasserIn] Ying Chang [verfasserIn] Zhishun Wei [verfasserIn] Jiuxin Jiang [verfasserIn] Pascal Boulet [verfasserIn] Marie-Christine Record [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
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2022 |
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Übergeordnetes Werk: |
In: Materials - MDPI AG, 2009, 15(2022), 4, p 1456 |
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Übergeordnetes Werk: |
volume:15 ; year:2022 ; number:4, p 1456 |
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DOI / URN: |
10.3390/ma15041456 |
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Katalog-ID: |
DOAJ069319235 |
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520 | |a In this study, home-made amorphous TiO<sub<2</sub< microspheres with good mono-dispersity and large numbers of mesopores on the surface were used as substrates. The intermediate microspheres were obtained by adding Co/Ni sources with different Co/Ni molar ratios in a water bath and making them react by water bath heating. By calcining the intermediate microspheres deposited on the TiO<sub<2</sub< ones, a core–shell structured spherical CoTiO<sub<3</sub</NiTiO<sub<3</sub< inorganic composite pigment was prepared. The synthesized pigments were characterized by X-ray diffraction (XRD), Raman spectroscopy, field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectrometry (EDS), laser particle size (LPS) analysis and colorimetry. The results show that when the calcination temperature is 800 °C and the Co/Ni molar ratio is 0.5:0.5, the pigments consist of a TiO<sub<2</sub< core and outer ilmenite CoTiO<sub<3</sub</NiTiO<sub<3</sub< shell. Moreover, the surface of the product microspheres is smooth, and the particles are of regular sphericity with a uniform particle size of about 1.8 μm. The colorimetric analysis from the samples calcined at 800 °C shows color changes from yellow-green to dark green as the Co/Ni molar ratio increases (0.1:0.9 to 0.9:0.1). A Co/Ni molar ratio that is too high or too low results in the formation of by-products such as Co<sub<3</sub<O<sub<4</sub< or NiO, respectively, which adhere to the product surface and affect the chromaticity of the product. This work has enabled the chromatic modulation of yellow-green inorganic pigments, providing a solution for the preparation of spherical inorganic pigments that are more suitable for industrial inkjet printing. | ||
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10.3390/ma15041456 doi (DE-627)DOAJ069319235 (DE-599)DOAJ2a3eca8e915b4dd49c52a66cf5d9c32e DE-627 ger DE-627 rakwb eng TK1-9971 TA1-2040 QH201-278.5 QC120-168.85 Yuan Chen verfasserin aut Preparation and Chromaticity Control of CoTiO<sub<3</sub</NiTiO<sub<3</sub< Co-Coated TiO<sub<2</sub< Composite Pigments 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, home-made amorphous TiO<sub<2</sub< microspheres with good mono-dispersity and large numbers of mesopores on the surface were used as substrates. The intermediate microspheres were obtained by adding Co/Ni sources with different Co/Ni molar ratios in a water bath and making them react by water bath heating. By calcining the intermediate microspheres deposited on the TiO<sub<2</sub< ones, a core–shell structured spherical CoTiO<sub<3</sub</NiTiO<sub<3</sub< inorganic composite pigment was prepared. The synthesized pigments were characterized by X-ray diffraction (XRD), Raman spectroscopy, field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectrometry (EDS), laser particle size (LPS) analysis and colorimetry. The results show that when the calcination temperature is 800 °C and the Co/Ni molar ratio is 0.5:0.5, the pigments consist of a TiO<sub<2</sub< core and outer ilmenite CoTiO<sub<3</sub</NiTiO<sub<3</sub< shell. Moreover, the surface of the product microspheres is smooth, and the particles are of regular sphericity with a uniform particle size of about 1.8 μm. The colorimetric analysis from the samples calcined at 800 °C shows color changes from yellow-green to dark green as the Co/Ni molar ratio increases (0.1:0.9 to 0.9:0.1). A Co/Ni molar ratio that is too high or too low results in the formation of by-products such as Co<sub<3</sub<O<sub<4</sub< or NiO, respectively, which adhere to the product surface and affect the chromaticity of the product. This work has enabled the chromatic modulation of yellow-green inorganic pigments, providing a solution for the preparation of spherical inorganic pigments that are more suitable for industrial inkjet printing. inorganic pigment core–shell microspheres NiTiO<sub<3</sub< CoTiO<sub<3</sub< composite pigment Technology T Electrical engineering. Electronics. Nuclear engineering Engineering (General). Civil engineering (General) Microscopy Descriptive and experimental mechanics Wei Guo verfasserin aut Yuan Huang verfasserin aut Ying Chang verfasserin aut Zhishun Wei verfasserin aut Jiuxin Jiang verfasserin aut Pascal Boulet verfasserin aut Marie-Christine Record verfasserin aut In Materials MDPI AG, 2009 15(2022), 4, p 1456 (DE-627)595712649 (DE-600)2487261-1 19961944 nnns volume:15 year:2022 number:4, p 1456 https://doi.org/10.3390/ma15041456 kostenfrei https://doaj.org/article/2a3eca8e915b4dd49c52a66cf5d9c32e kostenfrei https://www.mdpi.com/1996-1944/15/4/1456 kostenfrei https://doaj.org/toc/1996-1944 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2022 4, p 1456 |
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10.3390/ma15041456 doi (DE-627)DOAJ069319235 (DE-599)DOAJ2a3eca8e915b4dd49c52a66cf5d9c32e DE-627 ger DE-627 rakwb eng TK1-9971 TA1-2040 QH201-278.5 QC120-168.85 Yuan Chen verfasserin aut Preparation and Chromaticity Control of CoTiO<sub<3</sub</NiTiO<sub<3</sub< Co-Coated TiO<sub<2</sub< Composite Pigments 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, home-made amorphous TiO<sub<2</sub< microspheres with good mono-dispersity and large numbers of mesopores on the surface were used as substrates. The intermediate microspheres were obtained by adding Co/Ni sources with different Co/Ni molar ratios in a water bath and making them react by water bath heating. By calcining the intermediate microspheres deposited on the TiO<sub<2</sub< ones, a core–shell structured spherical CoTiO<sub<3</sub</NiTiO<sub<3</sub< inorganic composite pigment was prepared. The synthesized pigments were characterized by X-ray diffraction (XRD), Raman spectroscopy, field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectrometry (EDS), laser particle size (LPS) analysis and colorimetry. The results show that when the calcination temperature is 800 °C and the Co/Ni molar ratio is 0.5:0.5, the pigments consist of a TiO<sub<2</sub< core and outer ilmenite CoTiO<sub<3</sub</NiTiO<sub<3</sub< shell. Moreover, the surface of the product microspheres is smooth, and the particles are of regular sphericity with a uniform particle size of about 1.8 μm. The colorimetric analysis from the samples calcined at 800 °C shows color changes from yellow-green to dark green as the Co/Ni molar ratio increases (0.1:0.9 to 0.9:0.1). A Co/Ni molar ratio that is too high or too low results in the formation of by-products such as Co<sub<3</sub<O<sub<4</sub< or NiO, respectively, which adhere to the product surface and affect the chromaticity of the product. This work has enabled the chromatic modulation of yellow-green inorganic pigments, providing a solution for the preparation of spherical inorganic pigments that are more suitable for industrial inkjet printing. inorganic pigment core–shell microspheres NiTiO<sub<3</sub< CoTiO<sub<3</sub< composite pigment Technology T Electrical engineering. Electronics. Nuclear engineering Engineering (General). Civil engineering (General) Microscopy Descriptive and experimental mechanics Wei Guo verfasserin aut Yuan Huang verfasserin aut Ying Chang verfasserin aut Zhishun Wei verfasserin aut Jiuxin Jiang verfasserin aut Pascal Boulet verfasserin aut Marie-Christine Record verfasserin aut In Materials MDPI AG, 2009 15(2022), 4, p 1456 (DE-627)595712649 (DE-600)2487261-1 19961944 nnns volume:15 year:2022 number:4, p 1456 https://doi.org/10.3390/ma15041456 kostenfrei https://doaj.org/article/2a3eca8e915b4dd49c52a66cf5d9c32e kostenfrei https://www.mdpi.com/1996-1944/15/4/1456 kostenfrei https://doaj.org/toc/1996-1944 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2022 4, p 1456 |
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10.3390/ma15041456 doi (DE-627)DOAJ069319235 (DE-599)DOAJ2a3eca8e915b4dd49c52a66cf5d9c32e DE-627 ger DE-627 rakwb eng TK1-9971 TA1-2040 QH201-278.5 QC120-168.85 Yuan Chen verfasserin aut Preparation and Chromaticity Control of CoTiO<sub<3</sub</NiTiO<sub<3</sub< Co-Coated TiO<sub<2</sub< Composite Pigments 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, home-made amorphous TiO<sub<2</sub< microspheres with good mono-dispersity and large numbers of mesopores on the surface were used as substrates. The intermediate microspheres were obtained by adding Co/Ni sources with different Co/Ni molar ratios in a water bath and making them react by water bath heating. By calcining the intermediate microspheres deposited on the TiO<sub<2</sub< ones, a core–shell structured spherical CoTiO<sub<3</sub</NiTiO<sub<3</sub< inorganic composite pigment was prepared. The synthesized pigments were characterized by X-ray diffraction (XRD), Raman spectroscopy, field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectrometry (EDS), laser particle size (LPS) analysis and colorimetry. The results show that when the calcination temperature is 800 °C and the Co/Ni molar ratio is 0.5:0.5, the pigments consist of a TiO<sub<2</sub< core and outer ilmenite CoTiO<sub<3</sub</NiTiO<sub<3</sub< shell. Moreover, the surface of the product microspheres is smooth, and the particles are of regular sphericity with a uniform particle size of about 1.8 μm. The colorimetric analysis from the samples calcined at 800 °C shows color changes from yellow-green to dark green as the Co/Ni molar ratio increases (0.1:0.9 to 0.9:0.1). A Co/Ni molar ratio that is too high or too low results in the formation of by-products such as Co<sub<3</sub<O<sub<4</sub< or NiO, respectively, which adhere to the product surface and affect the chromaticity of the product. This work has enabled the chromatic modulation of yellow-green inorganic pigments, providing a solution for the preparation of spherical inorganic pigments that are more suitable for industrial inkjet printing. inorganic pigment core–shell microspheres NiTiO<sub<3</sub< CoTiO<sub<3</sub< composite pigment Technology T Electrical engineering. Electronics. Nuclear engineering Engineering (General). Civil engineering (General) Microscopy Descriptive and experimental mechanics Wei Guo verfasserin aut Yuan Huang verfasserin aut Ying Chang verfasserin aut Zhishun Wei verfasserin aut Jiuxin Jiang verfasserin aut Pascal Boulet verfasserin aut Marie-Christine Record verfasserin aut In Materials MDPI AG, 2009 15(2022), 4, p 1456 (DE-627)595712649 (DE-600)2487261-1 19961944 nnns volume:15 year:2022 number:4, p 1456 https://doi.org/10.3390/ma15041456 kostenfrei https://doaj.org/article/2a3eca8e915b4dd49c52a66cf5d9c32e kostenfrei https://www.mdpi.com/1996-1944/15/4/1456 kostenfrei https://doaj.org/toc/1996-1944 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2022 4, p 1456 |
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10.3390/ma15041456 doi (DE-627)DOAJ069319235 (DE-599)DOAJ2a3eca8e915b4dd49c52a66cf5d9c32e DE-627 ger DE-627 rakwb eng TK1-9971 TA1-2040 QH201-278.5 QC120-168.85 Yuan Chen verfasserin aut Preparation and Chromaticity Control of CoTiO<sub<3</sub</NiTiO<sub<3</sub< Co-Coated TiO<sub<2</sub< Composite Pigments 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, home-made amorphous TiO<sub<2</sub< microspheres with good mono-dispersity and large numbers of mesopores on the surface were used as substrates. The intermediate microspheres were obtained by adding Co/Ni sources with different Co/Ni molar ratios in a water bath and making them react by water bath heating. By calcining the intermediate microspheres deposited on the TiO<sub<2</sub< ones, a core–shell structured spherical CoTiO<sub<3</sub</NiTiO<sub<3</sub< inorganic composite pigment was prepared. The synthesized pigments were characterized by X-ray diffraction (XRD), Raman spectroscopy, field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectrometry (EDS), laser particle size (LPS) analysis and colorimetry. The results show that when the calcination temperature is 800 °C and the Co/Ni molar ratio is 0.5:0.5, the pigments consist of a TiO<sub<2</sub< core and outer ilmenite CoTiO<sub<3</sub</NiTiO<sub<3</sub< shell. Moreover, the surface of the product microspheres is smooth, and the particles are of regular sphericity with a uniform particle size of about 1.8 μm. The colorimetric analysis from the samples calcined at 800 °C shows color changes from yellow-green to dark green as the Co/Ni molar ratio increases (0.1:0.9 to 0.9:0.1). A Co/Ni molar ratio that is too high or too low results in the formation of by-products such as Co<sub<3</sub<O<sub<4</sub< or NiO, respectively, which adhere to the product surface and affect the chromaticity of the product. This work has enabled the chromatic modulation of yellow-green inorganic pigments, providing a solution for the preparation of spherical inorganic pigments that are more suitable for industrial inkjet printing. inorganic pigment core–shell microspheres NiTiO<sub<3</sub< CoTiO<sub<3</sub< composite pigment Technology T Electrical engineering. Electronics. Nuclear engineering Engineering (General). Civil engineering (General) Microscopy Descriptive and experimental mechanics Wei Guo verfasserin aut Yuan Huang verfasserin aut Ying Chang verfasserin aut Zhishun Wei verfasserin aut Jiuxin Jiang verfasserin aut Pascal Boulet verfasserin aut Marie-Christine Record verfasserin aut In Materials MDPI AG, 2009 15(2022), 4, p 1456 (DE-627)595712649 (DE-600)2487261-1 19961944 nnns volume:15 year:2022 number:4, p 1456 https://doi.org/10.3390/ma15041456 kostenfrei https://doaj.org/article/2a3eca8e915b4dd49c52a66cf5d9c32e kostenfrei https://www.mdpi.com/1996-1944/15/4/1456 kostenfrei https://doaj.org/toc/1996-1944 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2022 4, p 1456 |
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10.3390/ma15041456 doi (DE-627)DOAJ069319235 (DE-599)DOAJ2a3eca8e915b4dd49c52a66cf5d9c32e DE-627 ger DE-627 rakwb eng TK1-9971 TA1-2040 QH201-278.5 QC120-168.85 Yuan Chen verfasserin aut Preparation and Chromaticity Control of CoTiO<sub<3</sub</NiTiO<sub<3</sub< Co-Coated TiO<sub<2</sub< Composite Pigments 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, home-made amorphous TiO<sub<2</sub< microspheres with good mono-dispersity and large numbers of mesopores on the surface were used as substrates. The intermediate microspheres were obtained by adding Co/Ni sources with different Co/Ni molar ratios in a water bath and making them react by water bath heating. By calcining the intermediate microspheres deposited on the TiO<sub<2</sub< ones, a core–shell structured spherical CoTiO<sub<3</sub</NiTiO<sub<3</sub< inorganic composite pigment was prepared. The synthesized pigments were characterized by X-ray diffraction (XRD), Raman spectroscopy, field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectrometry (EDS), laser particle size (LPS) analysis and colorimetry. The results show that when the calcination temperature is 800 °C and the Co/Ni molar ratio is 0.5:0.5, the pigments consist of a TiO<sub<2</sub< core and outer ilmenite CoTiO<sub<3</sub</NiTiO<sub<3</sub< shell. Moreover, the surface of the product microspheres is smooth, and the particles are of regular sphericity with a uniform particle size of about 1.8 μm. The colorimetric analysis from the samples calcined at 800 °C shows color changes from yellow-green to dark green as the Co/Ni molar ratio increases (0.1:0.9 to 0.9:0.1). A Co/Ni molar ratio that is too high or too low results in the formation of by-products such as Co<sub<3</sub<O<sub<4</sub< or NiO, respectively, which adhere to the product surface and affect the chromaticity of the product. This work has enabled the chromatic modulation of yellow-green inorganic pigments, providing a solution for the preparation of spherical inorganic pigments that are more suitable for industrial inkjet printing. inorganic pigment core–shell microspheres NiTiO<sub<3</sub< CoTiO<sub<3</sub< composite pigment Technology T Electrical engineering. Electronics. Nuclear engineering Engineering (General). Civil engineering (General) Microscopy Descriptive and experimental mechanics Wei Guo verfasserin aut Yuan Huang verfasserin aut Ying Chang verfasserin aut Zhishun Wei verfasserin aut Jiuxin Jiang verfasserin aut Pascal Boulet verfasserin aut Marie-Christine Record verfasserin aut In Materials MDPI AG, 2009 15(2022), 4, p 1456 (DE-627)595712649 (DE-600)2487261-1 19961944 nnns volume:15 year:2022 number:4, p 1456 https://doi.org/10.3390/ma15041456 kostenfrei https://doaj.org/article/2a3eca8e915b4dd49c52a66cf5d9c32e kostenfrei https://www.mdpi.com/1996-1944/15/4/1456 kostenfrei https://doaj.org/toc/1996-1944 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2022 4, p 1456 |
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title |
Preparation and Chromaticity Control of CoTiO<sub<3</sub</NiTiO<sub<3</sub< Co-Coated TiO<sub<2</sub< Composite Pigments |
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(DE-627)DOAJ069319235 (DE-599)DOAJ2a3eca8e915b4dd49c52a66cf5d9c32e |
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Preparation and Chromaticity Control of CoTiO<sub<3</sub</NiTiO<sub<3</sub< Co-Coated TiO<sub<2</sub< Composite Pigments |
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Yuan Chen |
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preparation and chromaticity control of cotio<sub<3</sub</nitio<sub<3</sub< co-coated tio<sub<2</sub< composite pigments |
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TK1-9971 |
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Preparation and Chromaticity Control of CoTiO<sub<3</sub</NiTiO<sub<3</sub< Co-Coated TiO<sub<2</sub< Composite Pigments |
abstract |
In this study, home-made amorphous TiO<sub<2</sub< microspheres with good mono-dispersity and large numbers of mesopores on the surface were used as substrates. The intermediate microspheres were obtained by adding Co/Ni sources with different Co/Ni molar ratios in a water bath and making them react by water bath heating. By calcining the intermediate microspheres deposited on the TiO<sub<2</sub< ones, a core–shell structured spherical CoTiO<sub<3</sub</NiTiO<sub<3</sub< inorganic composite pigment was prepared. The synthesized pigments were characterized by X-ray diffraction (XRD), Raman spectroscopy, field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectrometry (EDS), laser particle size (LPS) analysis and colorimetry. The results show that when the calcination temperature is 800 °C and the Co/Ni molar ratio is 0.5:0.5, the pigments consist of a TiO<sub<2</sub< core and outer ilmenite CoTiO<sub<3</sub</NiTiO<sub<3</sub< shell. Moreover, the surface of the product microspheres is smooth, and the particles are of regular sphericity with a uniform particle size of about 1.8 μm. The colorimetric analysis from the samples calcined at 800 °C shows color changes from yellow-green to dark green as the Co/Ni molar ratio increases (0.1:0.9 to 0.9:0.1). A Co/Ni molar ratio that is too high or too low results in the formation of by-products such as Co<sub<3</sub<O<sub<4</sub< or NiO, respectively, which adhere to the product surface and affect the chromaticity of the product. This work has enabled the chromatic modulation of yellow-green inorganic pigments, providing a solution for the preparation of spherical inorganic pigments that are more suitable for industrial inkjet printing. |
abstractGer |
In this study, home-made amorphous TiO<sub<2</sub< microspheres with good mono-dispersity and large numbers of mesopores on the surface were used as substrates. The intermediate microspheres were obtained by adding Co/Ni sources with different Co/Ni molar ratios in a water bath and making them react by water bath heating. By calcining the intermediate microspheres deposited on the TiO<sub<2</sub< ones, a core–shell structured spherical CoTiO<sub<3</sub</NiTiO<sub<3</sub< inorganic composite pigment was prepared. The synthesized pigments were characterized by X-ray diffraction (XRD), Raman spectroscopy, field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectrometry (EDS), laser particle size (LPS) analysis and colorimetry. The results show that when the calcination temperature is 800 °C and the Co/Ni molar ratio is 0.5:0.5, the pigments consist of a TiO<sub<2</sub< core and outer ilmenite CoTiO<sub<3</sub</NiTiO<sub<3</sub< shell. Moreover, the surface of the product microspheres is smooth, and the particles are of regular sphericity with a uniform particle size of about 1.8 μm. The colorimetric analysis from the samples calcined at 800 °C shows color changes from yellow-green to dark green as the Co/Ni molar ratio increases (0.1:0.9 to 0.9:0.1). A Co/Ni molar ratio that is too high or too low results in the formation of by-products such as Co<sub<3</sub<O<sub<4</sub< or NiO, respectively, which adhere to the product surface and affect the chromaticity of the product. This work has enabled the chromatic modulation of yellow-green inorganic pigments, providing a solution for the preparation of spherical inorganic pigments that are more suitable for industrial inkjet printing. |
abstract_unstemmed |
In this study, home-made amorphous TiO<sub<2</sub< microspheres with good mono-dispersity and large numbers of mesopores on the surface were used as substrates. The intermediate microspheres were obtained by adding Co/Ni sources with different Co/Ni molar ratios in a water bath and making them react by water bath heating. By calcining the intermediate microspheres deposited on the TiO<sub<2</sub< ones, a core–shell structured spherical CoTiO<sub<3</sub</NiTiO<sub<3</sub< inorganic composite pigment was prepared. The synthesized pigments were characterized by X-ray diffraction (XRD), Raman spectroscopy, field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectrometry (EDS), laser particle size (LPS) analysis and colorimetry. The results show that when the calcination temperature is 800 °C and the Co/Ni molar ratio is 0.5:0.5, the pigments consist of a TiO<sub<2</sub< core and outer ilmenite CoTiO<sub<3</sub</NiTiO<sub<3</sub< shell. Moreover, the surface of the product microspheres is smooth, and the particles are of regular sphericity with a uniform particle size of about 1.8 μm. The colorimetric analysis from the samples calcined at 800 °C shows color changes from yellow-green to dark green as the Co/Ni molar ratio increases (0.1:0.9 to 0.9:0.1). A Co/Ni molar ratio that is too high or too low results in the formation of by-products such as Co<sub<3</sub<O<sub<4</sub< or NiO, respectively, which adhere to the product surface and affect the chromaticity of the product. This work has enabled the chromatic modulation of yellow-green inorganic pigments, providing a solution for the preparation of spherical inorganic pigments that are more suitable for industrial inkjet printing. |
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Preparation and Chromaticity Control of CoTiO<sub<3</sub</NiTiO<sub<3</sub< Co-Coated TiO<sub<2</sub< Composite Pigments |
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