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Silica pigment produced from silicate mining sidestreams for ink-jet paper coating application

机译:硅酸盐采矿侧流产生的二氧化硅颜料,用于喷墨纸涂布

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摘要

Ink-jet printing technology is expected to continue growing, but cheaper silica pigment formulations than those currently available on the market will be needed for it to be commercially viable. The target of this work, part of the EU FP7 project ProMine, is to study the possibility of generating low-cost silica pigment from silicate mining industry sidestreams for use as a coating pigment for ink-jet paper. The worldwide resources of olivine are abundant and olivine is one of the main minerals in the dunite deposits in Greece. In this study silica is produced from Greek olivine silicate mineral by an acidic dissolution method. The pigment and coating layer properties of produced silica are compared to commercial silica pigments. The laboratory scale study shows that the coating of produced silica pigment has ink-jet ink absorption speed and pore structure close to commercial precipitated silica coating. Produced silica pigment coated papers are matt, having very low gloss. Results show that produced silica pigment has potential for use as matt ink-jet coating pigment.
机译:喷墨打印技术有望继续发展,但要使其在商业上可行,将需要比目前市场上可用的二氧化硅颜料配方便宜的配方。这项工作的目标是欧盟FP7项目ProMine的一部分,目的是研究从硅酸盐采矿业侧流生产低成本的二氧化硅颜料以用作喷墨纸涂料颜料的可能性。全世界的橄榄石资源丰富,橄榄石是希腊榴辉岩矿床的主要矿物之一。在这项研究中,二氧化硅是通过酸性溶解方法由希腊橄榄石硅酸盐矿物生产的。将生产的二氧化硅的颜料和涂层性能与商用二氧化硅颜料进行了比较。实验室规模的研究表明,生产的二氧化硅颜料涂层具有接近于商用沉淀二氧化硅涂层的喷墨吸收速度和孔结构。生产的二氧化硅颜料涂布纸是无光泽的,具有非常低的光泽。结果表明,所生产的二氧化硅颜料具有用作无光泽喷墨涂料颜料的潜力。

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