Emerald期刊
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作者:Walaa M. Abd El-Gawad , Ahmed A. El_Shami
来源:[J].Pigment & Resin Technology(IF 0.616), 2017, Vol.46 (3), pp.181-193Emerald
摘要:Purpose(#br)This study aims to synthesize a series of new anticorrosive pigments using a new technique called “core-shell”. This technique is based on depositing thin surface layer of expensive, efficient anticorrosive pigment on a cheap extender. This extender forms the bul...
作者:Nivin M. Ahmed , Walaa M. Abd El-Gawad , Eglal M.R. Souaya
来源:[J].Pigment & Resin Technology(IF 0.616), 2018, Vol.47 (2), pp.116-126Emerald
摘要:Purpose(#br)Core-shell is structured particles having several chemical compositions. The advantage of these particles arise from their specific design, to be used in decreasing costs by using inexpensive material (natural ore or waste material) as carrier for thin shell of a...
作者:Nivin M. Ahmed , Mostafa G. Mohamed , Walaa M. Abd El-Gawad
来源:[J].Pigment & Resin Technology(IF 0.616), 2018, Vol.47 (3), pp.261-271Emerald
摘要:Purpose(#br)New types of phosphate pigments which are appropriate alternatives for hazardous chromate pigments have been prepared and evaluated. These new pigments were prepared via a new technique named core-shell. The core-shell materials consist of at least two separate phases...
作者:Walaa M. Abd El-Gawad , Elham A. Youssef
来源:[J].Pigment & Resin Technology(IF 0.616), 2014, Vol.43 (4), pp.201-211Emerald
摘要:Purpose(#br) – The purpose of this work is to prepare new core-shell pigments based on silca fume waste as core and ferrite pigments in the shell. Silica fume is a byproduct of the smelting process in the ferrosilicon industry. The reduction of high-purity quartz to silicon ...
作者:Walaa M. Abd El-Gawad , Elham A. Youssef
来源:[J].Pigment & Resin Technology(IF 0.616), 2015, Vol.44 (5), pp.276-291Emerald
摘要:Purpose(#br) – The purpose of this paper is to present the preparation of core-shell ferrites/kaolin pigments and comparing their efficiency in protecting metal substrates to original ferrites which were also prepared. Core-shell structured particles are recently gaining lot...
作者:Nivin M Ahmed , Walaa M. Abd El-Gawad , Eglal R. Souaya
来源:[J].Anti-Corrosion Methods and Materials(IF 0.386), 2016, Vol.63 (1), pp.36-46Emerald
摘要:Purpose(#br) – The purpose of this study is to prepare core-shell ferrites/kaolin pigments and compare their efficiency in protecting metal substrates to original ferrites. The new pigments are based on precipitating a shell of different ferrites that comprise only 10-20 per...

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