Results 21 to 30 of about 3,069 (219)

Acid Leaching-Based Synthesis of CdS Yellow Ceramic Pigment with Discarded Ni-Cd Batteries [PDF]

Materials Research, 2019
There is increasing interest in the ceramic industry in the development of pigments with intense tonalities that can be produced from low-cost alternative raw materials and also can fulfill technological and environmental requirements.
Carlos Renato Rambo, Sandriny da Silva Lacerda, Luciano Henrique Campestrini, Daliana Müller, Larissa da Silva Marques, Dachamir Hotza   +5 more
doaj   +1 more source

Comparative Study of the Synthesis of a Red Ceramic Pigment Using Microwave Heat Treatment

Colorants, 2023
In this study, a new red ceramic pigment has been developed within a perovskite structure, and microwave heat treatments have been applied. Those red ceramic pigments within the YAlO3 system doped with chromium with the nominal composition Y0.98Al0.98Cr0.
Eva Miguel, Guillermo Paulo-Redondo, Juan Bautista Carda Castelló, Isaac Nebot-Díaz   +3 more
doaj   +1 more source

Synthesis of Brown Inorganic Pigments with Spinel Structure from the Incorporation of Spent Alkaline Batteries [PDF]

Materials Research, 2020
In this work, inorganic pigments were synthesized by solid state reaction, from the incorporation of components of exhausted alkaline batteries. For this, after disassembling the batteries, the components were subjected to water leaching, milling and ...
Letícya Jéssica Almeida, Edson Cezar Grzebielucka, Sandra Regina Masetto Antunes, Christiane Philippini Ferreira Borges, André Vitor Chaves de Andrade, Éder Carlos Ferreira de Souza   +5 more
doaj   +1 more source

Preparation of Palygorskite hybrid iron oxide red pigment and its application in waterborne polyurethane composite coatings and ceramics

Materials Research Express, 2022
Palygorskite (Pal) is a kind of magnesium aluminum silicate clay mineral with a one-dimensional rod and layer chain structure. Herein, Pal hybrid iron oxide red pigment (Pal/ α -Fe _2 O _3 ) was prepared by the grinding method.
Yisen Han, Miao Shan, Yunfei Lu, Songqin Liu   +3 more
doaj   +1 more source

Ecofriendly High NIR Reflectance Ceramic Pigments Based on Rare Earths Compared with Classical Chromophores Prepared by DPC Method

Ceramics, 2022
A high NIR reflectance ceramic pigments palette based on rare earths except black (La,Li-SrCuSi4O10 blue wesselsite, Pr-CeO2 red-brown cerianite, Mo-Y2Ce2O7 yellow cerate, Sr4Mn2CuO9 black hexagonal perovskite) was compared with the coolest traditional ...
Guillermo Monrós, José A. Badenes, Mario Llusar   +2 more
doaj   +1 more source

A new series of environment-friendly reddish inorganic pigments based on AFeO3 (A = Ln, Y) with high NIR solar reflectance

Journal of Materiomics, 2021
Environment-friendly pigments based on AFeO3 (A = La, Pr, Nd, Sm, Gd, Tb, Y or Yb) with high near-infrared (NIR) reflectance were synthesised by a coprecipitation method at 1200 °C.
Maria Fortuño-Morte, Pablo Serna-Gallén, Héctor Beltrán-Mir, Eloísa Cordoncillo   +3 more
doaj   +1 more source

Clarification of purple cactus pear juice using microfiltration membranes to obtain a solution of betalain pigments

Brazilian Journal of Food Technology, 2015
Summary Betalains are fruit pigments possessing health-giving properties. To isolate the pigments, the juice must be separated from the fruit matrix, which contains biopolymers. The aim of this study was to clarify cactus pear juice by microfiltration to
Cristina VERGARA, Beatriz CANCINO-MADARIAGA, Andrés RAMÍREZ-SALVO, Carmen SÁENZ, Paz ROBERT, Mariane LUTZ   +5 more
doaj   +1 more source

Synthesis of pigments of Fe2O3·SiO2 system, with Ca, Mg, or Co oxide additions

Boletín de la Sociedad Española de Cerámica y Vidrio, 2017
The present research work is based on the comparative evaluation of the Ca, Mg, and Co dopant impact on the properties of new ceramic pigments from the system Fe2O3·SiO2 obtained via classical ceramic technology.
Tsvetan Dimitrov, Stephan Kozhukharov, Nikolay Velinov   +2 more
doaj   +1 more source

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

ChemEngineering, 2022
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
María Oset, Alejandro Moya, Guillermo Paulo-Redondo, Isaac Nebot-Díaz   +3 more
doaj   +1 more source

Synthesis of FexZn1-xCr2O4 brown ceramic pigment by starch-assisted sol-gel process

Tạp chí Khoa học Đại học Huế: Khoa học Tự nhiên, 2019
In the present paper, the ceramic pigments FexZn1-xCr2O4 (x = 0 ¸ 1) were synthesized with the starch-assisted sol-gel method. The resulting pigments were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), and CIE L*a*b ...
Tran Ngo Tuyen, Nguyen Duc Vu Quyen, Tran Bao Lam   +2 more
doaj   +1 more source