Topic
Sodium sulfide
About: Sodium sulfide is a research topic. Over the lifetime, 2851 publications have been published within this topic receiving 27733 citations. The topic is also known as: disodium sulfide.
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Patent•
26 Nov 1984
TL;DR: In this article, the authors proposed a titled composition that is prepared by melt-mixing specific amounts of a polyphenylene sulfide resin, a specific alpha-olefin copolymer and an opoxy resin, thus showing high impact strength and flexibility.
Abstract: PURPOSE:The titled composition that is prepared by melt-mixing specific amounts of a polyphenylene sulfide resin, a specific alpha-olefin copolymer and an opoxy resin, thus showing high impact strength and flexibility CONSTITUTION:(A) 99-30ptswt of polyphenylene sulfide, preferably a product from sodium sulfide and p-dichlorobenzene in an amide or sulfone solvent, (B) 1-70ptswt, preferably 5-60ptswt of an alpha-olefin copolymer which is obtained by grafting less than 10wt%, preferably 01-50wt% of an unsaturated carboxylic acid, its anhydride or its derivative and (C) 01-20, preferably 05- 15ptswt per 100ptswt of the total amount of components A and B, of an epoxy resin are mixed and melted to give the objective composition
81 citations
TL;DR: Zinc (Zn) leaching yields and kinetics from three different zinc plant leach residues (ZLR) generated in different periods were investigated and more than 90% of Zn was selectively recovered as sphalerite from the ZLR polymetallic leachates by chemical sulfide precipitation.
80 citations
TL;DR: In this paper, the best conditions for alkaline leaching of a refractory gold-bearing stibnite (Sb 2 S 3 ) coming from South America were investigated.
80 citations
TL;DR: In this article, the influence of sulfur ion adsorption on smithsonite surface was investigated with the use of zeta potential, inductively coupled plasma (ICP), scanning electron microscope (SEM), and X-ray photoelectron spectroscopic studies.
79 citations
TL;DR: In this article, an X-ray diffraction study showed that synthesized Ag 2 S powders have monoclinic (space group P 2 1 / c ) α -Ag 2 S acanthite type crystal structure.
79 citations