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Effect of polyethylene glycol on electrochemically deposited trivalent chromium layers Joo-Yul LEE, Man KIM, Sik-Chol KWON Department of Surface Technology, Korea Institute... in the plating solution with and without polyethylene glycol molecules were observed by using various electrochemical methods such as cyclic voltammetry, open circuit potential transition......
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terephthalate; terephthalic acid; alcohol alkali hydrolysis; ethylene glycol Cite this article as: SUN Cong-hao, CHEN Xiang-ping, ZHUO Qiang, ZHOU Tao. Recycling and depolymerization of waste polyethylene... J. Cent. South Univ. (2018) 25: 543-549 DOI: https://doi.org/10.1007/s11771-018-3759-y Recycling and depolymerization of waste polyethylene terephthalate bottles by alcohol alkali hydrolysis SUN......
-exchange membrane electrolysis was investigated. The effect of experimental conditions in precipitation process and the effect of polyethylene glycol dosages on aluminum hydroxide products were... of the polyethylene glycol dosages. When concentration of the additive in sodium aluminate solution reach 0.175 g/L, the average size of ATH is 3.9 μm. The infrared spectra analysis show......
as precursor, 1, 2-propanediol as solvent and reductant, with different surfactants as modifiers. These modifiers are polyoxyethylene sorbitan monooil 80 (Tween-80), polyethylene glycol 6000 (PEG-6000... synthesis; Tween-80; polyethylene glycol 6000; sodium dodecyl sulfate 纳米金属材料在润滑,电......
) Abstract: The effects of temperature, mass fraction of PVB and shearing frequency on the dynamic rheological properties of the polyvinyl butyral (PVB)/polyethylene glycol(PEG200) system were investigated... frequency 0.6 rad/s, and it decreases with the increase of PVB mass fraction. Key words: polyvinyl butyral; polyethylene glycol; dynamic rheological properties 聚乙烯醇缩丁醛(PVB)综合性能优异,具有耐低温,光照,细菌,微生物以及酸碱等特性......
Preparation and Hydrophilicity of Copolymerization of Chitosan Selectively Grafted by Polyethylene Glycol李若慧,SHAN Dantong,DU YingBiochemical Engineering College, Beijing Union University摘 要:Copolymerization of chitosan selectively grafted by polyethylene glycol was prepared. Chitosan was selectively grafted by monomethoxy polyethylene glycol(mPEG-OH......
浊点萃取-邻二氮菲分光光度法测定海水中痕量铁宋兴良1,梁恕坤2(1.山东省临沂市临沂师范学院化学与环境资源学院2.临沂师范学院 实验中心,山东临沂 276005)摘 要:以邻二氮菲(Phen)为显色剂,聚乙二醇6000(PEG6000)为表面活性剂,建立了浊点萃取-分光光度法测定海水中痕量铁的方法.该方法基于表面活性剂的浊点现象,Fe2+与邻二氮菲(Phen)生成稳定络合物Fe(Phen)32+后被定量萃取进入富胶束相中,从而实现与基体的分离,然后萃取相经适当的处理并采用分光光度法进行测定.考察了显色剂浓度,显......
Synthesis and Characterization of Carboxyl-terminated Polyethylene Glycol Functionalized Mesoporous Silica Nanoparticles王瑜,WANG Youyun,WANG Wanxia,ZHU Hongda,刘明星Key Laboratory of Fermentation... glycol(CMS-PEG-COOH) were successfully synthesized by covalently grafting dicarboxy-terminated polyethylene glycol(HOOC-PEG-COOH) on the surface of the amino functionalized CMS nanoparticles......