Patent
Dewatering process of polyhydrated sodium sulfide in synthetic process of polyphenylene sulfide resin
Wang Jinsong,Wang Wen,Liu Jingyi +2 more
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The article was published on 2013-07-24. It has received 6 citations till now. The article focuses on the topics: Sulfide & Sodium sulfide.read more
Citations
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Dehydration process for polyphenyl thioether resin synthesis solvent system
TL;DR: In this paper, a dehydration process for a polyphenyl thioether resin synthesis solvent system is described, in which a rapid moisture determinator is used to determine the moisture content of the polyphoric acid.
Patent
Dehydration process of multi-water sodium sulfide during polyphenyl thioether resin synthesis
TL;DR: In this article, the authors have revealed a dehydration process of multi-water sodium sulfide during polyphenyl thioether resin synthesis, which can reduce the dewatering time of the multi-wasser, increase the dehydration efficiency, reduce the energy consumption, prevent the problems of easiness for decomposition and oxidation, generate extremely less NMP gas and other foreign gas in the dehydration process, and simplify in process flow and favorable to industrialized production and environmental protection.
Patent
Preparation method of bouquet structural polyphenylene sulfide
TL;DR: In this article, a method for the preparation of bouquet structural polyphenylene sulfide composite material was proposed, which consists of two steps: firstly, performing high-temperature oxygen isolation treatment on sodium sulfide nonahydrate to obtain anhydrous sodium sulfides, and filtering the anhousrous sulfide at medium temperature to obtain powdered anhrous sulfides and paradichlorobenzene, and secondarily polymerizing the polyphenyl sulfide with the laminar structure at high temperature, thus obtaining the Bouquet Structured polyphen
Patent
Device for the synthesis of a polymer with extraction of a gaseous substance, comprising a reaction chamber having at least one circular-cylindrical section
TL;DR: In this article, a device for the synthesis of a polymer with extraction of a gaseous substance is described, where a reaction chamber consisting of a substantially circular-cylindrical upper section (11) is delimited by two circular faces (111, 112) and a lateral face (113) and has a cylinder longitudinal axis, and a lower section (12), an inlet opening (2), which is arranged in a circular face or the lateral face of the upper section, a first outlet opening (3) which is located in a wall of the lower section,
Patent
Polyphenylene sulfide production method
TL;DR: In this article, a polyphenylene sulfide production method is presented, which comprises the following active ingredients: water-containing sodium sulfide, p-dichlorobenzene, phase solvent, solvent, and auxiliaries.
References
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Patent
Polyarylene sulfide and process for producing the same
Hiroyuki c,Koichi c,Hirohito c +2 more
TL;DR: In this paper, a polyarylene sulfide is produced by using a mixture of an organic amide solvent, an alkali metal hydrosulfide, and water, the amount of which is 0.95 to 1.05 mol per mol of the hydrosolfide is dehydrated by heating.
Patent
Inferred Water Analysis in Polyphenylene Sulfide Production
TL;DR: In this article, a method for producing polyphenylene sulfide (PPS) polymer, including polymerizing reactants in a reaction mixture in a vessel to form PPS polymer in the vessel, measuring values of operating variables of the vessel and/or PPS process, was proposed.
Patent
Process for synthesizing low-chlorine film polyphenylene sulfide resin
Liangwu Gou,Bin Liu,Tong Dan,Xingze Bao,Wenliang Liu,Xin Liu,Liang Hu,Yimao Wang,Hua Cao,Wei Xu,Meixiong Jiang +10 more
TL;DR: In this paper, a process for synthesizing a low-chlorine film polyphenylene sulfide resin is described, which has low total content of Halogens, low volatile matter and polydispersity index, narrow molecular weight distribution, high oxygen index and excellent dielectric properties.
Patent
Polyhydrated sodium sulfide dewatering techn during production of polyphenyl thioether
TL;DR: In this paper, the authors used polyhydrate sodium sulfide and p-dichlorobenzene as raw material to produce polyphenylene sulfide (PPS) monomer.