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溶剂萃取法提钪研究进展摘要:综述了钪在不同萃取体系中的萃取机理,以及各种提钪的原料和方法,鉴于我国的钪资源分布特点,指出了钪提取的发展方向.关键词:钪; 溶剂萃取; 提取钪; 赤泥超细红磷阻燃剂的表面包覆研究 摘要: 采用无机氢氧化物及偶联剂对超细红磷阻燃剂进行包覆, 制成微胶囊化红磷, 以提高红磷的安定性。通过差热(DTA) 、红外光谱( IR) 、吸湿性测试等方法对微胶囊化红磷进行了表征, 并对影响包覆效果的多种因素进行了初步研究。实验结果表明: 经包覆的红磷安定性得到提高, 吸湿率降低。 关键词: 氢氧化物; 偶联剂; 超细红磷阻燃剂; 微胶囊化; 安定性纳米技术及材料在废水处理中的应用研究摘 要: 概述了纳米技术及其材料的基本理论知识。介绍了纳米过滤技术、纳米光催化技术和纳米吸附技术的研究进展和相关纳米材料在废水处理领域中的应用情况, 指出了纳米技术及材料在废水处理领域中的应用价值和潜在优势, 并展望了纳米技术及材料在废水处理应用中的广阔前景。关键词: 纳米技术; 纳米材料; 废水处理聚合物改性水溶性硅酸盐涂料的研制摘 要: 阐述了聚合物改性水溶液硅酸盐涂料的实验机理;以硅酸盐为主要成膜物质,并添加其他有效的聚合物成分,用于改善水溶液硅酸盐涂料的耐温性、耐候性、耐水性等. 采用方法为:选取含有R-CH2 -OH 结构的物质,如聚乙烯醇水溶液,来增加硅酸盐涂料的粘稠度,同时添加热缩性树脂的水乳液作为辅助成膜物,使有机树脂进入Si-O-Si 网状结构的间隙中,延缓涂膜在冷热交替中的伸缩.结果表明,该涂料具有优良的耐水性,能承受长期雨水冲刷,优良的耐温变性,耐冻融性,抗老化性等.关键词: 水溶性涂料; 聚合物; 硅酸盐要连贯成文的,急用!谢啦!
2026年09月23日 20:02
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Solvent Extraction Study to mention Sc
Abstract: The extraction of scandium in different systems in the extraction mechanism, and a variety of materials and methods of scandium to mention, since I
Scandium resource distribution characteristics of the country, pointing out that the scandium extraction development.
Keywords: Scandium; solvent extraction; extracting scandium; red mud
Ultra-fine red phosphorus flame retardant surface coating study
Abstract: The use of inorganic hydroxide and coupling agent on the ultra-fine red phosphorus flame retardant for coating, made of micro-encapsulated red phosphorus in order to improve the stability of red phosphorus. By differential thermal (DTA), infrared spectroscopy (IR), moisture testing and other methods of micro-encapsulated red phosphorus have been characterized, and a variety of factors affect the coating effect of a preliminary study. The experimental results showed: red phosphorus coated with improved stability, moisture absorption rate.
Keywords: hydroxide; coupling; ultra-fine red phosphorus flame retardant; Microencapsulation; stability
Nano-technology and materials in wastewater treatment application
Abstract: an overview of nanotechnology and materials, the basic theoretical knowledge. Introduced the nano-filtration technology, Nano-photocatalytic adsorption technology and nano-technology, research and related nano-materials in waste water treatment in the field of application, pointed out that the nano-technology and materials in waste water treatment in the field of application value and potential advantages, and to look nano-technology and materials in waste water treatment applications in the broad prospect.
Keywords: nanotechnology; nano-materials; wastewater treatment
Polymer-modified water-soluble silicate coating
Abstract: The aqueous solution of polymer-modified silicate coatings experimental mechanism; to Portland as the main film-forming material, and add other effective polymer composition, used to improve the aqueous solution silicate coating temperature resistance, weather nature, water and so on. use methods are: selected contains R-CH2-OH structure of substances, such as polyvinyl alcohol solution, to increase the viscosity of silicate coatings, while adding heat-shrinkable resin film-forming water emulsion as a supplement objects, so that the organic resin into the Si-O-Si network structure of the gap, the delay in the film in the alternating cold and hot stretching. The results show that the coating has excellent water resistance,
Able to withstand the long-term rainfall, excellent temperature variability, freeze-thaw resistance, aging resistance and so on.
Key words: water-soluble coating; polymer; silicate