Emerald期刊
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作者:Nivin M. Ahmed , Walaa M. Abd El-Gawad ...
来源:[J].Pigment & Resin Technology(IF 0.616), 2014, Vol.43 (4), pp.201-211Emerald
摘要:Purpose - 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 at te...
作者:Nivin M. Ahmed , Walaa M. Abd El-Gawad ...
来源:[J].Pigment & Resin Technology(IF 0.616), 2015, Vol.44 (5), pp.276-291Emerald
摘要:Purpose – 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 lots of ...
作者:Nivin M. Ahmed , Walaa M. Abd El-Gawad ...
来源:[J].Pigment & Resin Technology(IF 0.616), 2017, Vol.46 (3), pp.181-193Emerald
摘要: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 bulk of the new...
作者:Salwa H El-Sabbagh , Nivin M. Ahmed
来源:[J].Pigment & Resin Technology(IF 0.616), 2015, Vol.44 (2), pp.57-73Emerald
摘要:Purpose – This paper aims to express in detail the rheological, morphological and thermal properties of unpigmented and pigmented styrene-butadiene rubber composites with new prepared inorganic pigment based on kaolin covered with a thin layer of calcium and magnesium oxides...
作者:... M. F. Zawrah , Nivin M. Ahmed , Magdy W. El-Sabaa
来源:[J].Pigment & Resin Technology(IF 0.616), 2015, Vol.44 (3), pp.131-142Emerald
摘要:Purpose – The purpose of this paper is to evaluate the efficiency of organobentonite (OB) as reinforcing filler in acrylonitrile-butadiene rubber (NBR). The composites were prepared using different loadings of OB and studying in details their properties. A series of OB was m...
作者:Nivin M. Ahmed , A.A. Ward
来源:[J].Pigment & Resin Technology(IF 0.616), 2017, Vol.46 (3), pp.161-171Emerald
摘要:This paper aims to study the role of organobentonite (OB) as a filler to improve the mechanical strength of styrene butadiene rubber (SBR). Organoclay was first prepared by modifying bentonite with different concentrations of N-cetyl-N, N, N-triethyl ammonium bromide. A series of...
作者:Nivin M. Ahmed , Mohamed M. Selim
来源:[J].Anti-Corrosion Methods and Materials(IF 0.386), 2010, Vol.57 (3)Emerald
摘要:Purpose - The purpose of this paper is to investigate the anticorrosive effects of a new pigment based on bulk of talc covered with a surface layer of titanium dioxide. Design/methodology/approach - The new pigments were characterized using different analytical and spectro-photom...
作者:Nivin M. Ahmed , Mohamed M. Selim
来源:[J].Pigment & Resin Technology(IF 0.616), 2010, Vol.39 (1)Emerald
摘要:Purpose - The purpose of this paper is to introduce a new method of pigment preparation, which is economic and highly efficient in corrosion protection properties, known as the core-shell method. According to this method, a cheap core (an extender) is covered with only a surface ...
作者:Nivin M. Ahmed , Mohamed M. Selim
来源:[J].Pigment & Resin Technology(IF 0.616), 2010, Vol.39 (2)Emerald
摘要:Purpose - The purpose of this paper is to determine a new easy route to obtain high performance and economic anticorrosive hybrid pigments based on kaolin and ferrite. The new route is based on depositing a surface layer of an expensive efficient anticorrosive pigment (ferrite) o...
作者:Nivin M. Ahmed , Mohamed M. Selim
来源:[J].Pigment & Resin Technology(IF 0.616), 2011, Vol.40 (1)Emerald
摘要:Purpose - Kaolin is a soft, white mineral mainly composed of coarse- to fine-grained, plate-like aluminum silicate particles. As kaolin assists with desired rheological properties that help maintain proper dispersion and provide bulk to the product, it is used as an important ext...

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