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    Home > Coatings News > Paints and Coatings Market > Coating knowledge: identification of modified titanium dioxide

    Coating knowledge: identification of modified titanium dioxide

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: the research project "characterization and functional application of modified titanium dioxide" undertaken by the industrial products center of Jiangsu inspection and Quarantine Bureau passed the appraisal In this project, X-ray diffraction (XRD), scanning electron microscopy (SEM), electron spectroscopy (EDS) and infrared spectroscopy (FTIR) were used to establish three common identification technologies of modified titanium dioxide China is a big importer and exporter of titanium dioxide However, with the development of social economy, in order to solve the problem of titanium resource shortage in titanium dioxide production, reduce environmental pollution and improve the utilization rate of titanium dioxide resource, the traditional single titanium dioxide has gradually Shenyang steel structure fireproof coating construction expert punde Building Fire Engineering Co., Ltd Recommended introduction: since its establishment, Shenyang punde Construction Fire Engineering Co., Ltd has cultivated a group of professional construction teams with excellent equipment, rich experience and serious responsibility with advanced and scientific management methods and strict engineering quality assurance and after-sales service system It has undertaken a number of fire system installation projects, which has been praised by customers Every idea and special requirement of you will be fully considered by us and fully realized in the construction technology, which will become the cornerstone of our successful long-term development We are looking forward to your invitation, to provide you with quality services and high-quality technical support! All construction coatings have passed ISO9001 Home of coatings: the research project "characterization and functional application of modified titanium dioxide" undertaken by the industrial products center of Jiangsu inspection and Quarantine Bureau passed the appraisal In this project, X-ray diffraction (XRD), scanning electron microscopy (SEM), electron spectroscopy (EDS) and infrared spectroscopy (FTIR) were used to establish three common identification technologies of modified titanium dioxide China is a big importer and exporter of titanium dioxide However, with the development of social economy, in order to solve the problem of titanium resource shortage in titanium dioxide production, reduce environmental pollution and improve the utilization rate of titanium dioxide resource, the traditional single titanium dioxide has been gradually replaced by modified titanium dioxide How to characterize and confirm the composition and structure of modified titanium dioxide has become a practical problem to be solved by the quality inspection department The development of China's titanium dioxide industry began in the 1950s Since 1998, driven by the downstream industries such as construction, coating, plastics (9680,35.00, 0.36%), papermaking and so on, it has shown a rapid development momentum, and has become the world's largest titanium dioxide producer and consumer In 2011, the annual capacity of titanium dioxide in China has exceeded 2 million tons It is estimated that by the end of the 12th Five Year Plan, the annual capacity of titanium dioxide in China will increase to 5 million tons China's titanium dioxide import and export volume is large China imported 269037 tons of titanium dioxide in 2010, 266380 tons in 2010, 22860 tons in 2011, and 398131 tons in 2011 Among the titanium dioxide products imported and exported in China, the proportion of modified titanium dioxide gradually increased Taking Jiangsu Zhenti Chemical Co., Ltd., one of the major national titanium dioxide production enterprises, as an example, in 2011, the company exported more than 20000 tons of inorganic treated modified titanium dioxide and some organic treated modified titanium dioxide, accounting for 68% of the total output, while Nanjing titanium dioxide Chemical Co., Ltd produced more than 80% of the total output Since February 2012, the General Administration of quality supervision, inspection and Quarantine of the people's Republic of China (AQSIQ) and the General Administration of Customs (gacc) have included titanium dioxide in the list of commodities subject to compulsory inspection At present, China's current standard GB / T 1706-2006 titanium dioxide pigment for titanium dioxide detection only regulates the routine test items of titanium dioxide, and the provisions on performance characterization and identification test of modified titanium dioxide are vacant The researchers of this project have synthesized three kinds of most common modified titanium dioxide for research, which are organic surface modified titanium dioxide, ion-doped titanium dioxide, and biomass carbon loaded titanium dioxide Among them, the ion-doped titanium dioxide is doped with iron and zinc, and each of them has three different concentrations of 0.5%, 5% and 30%, and biomass carbon loaded titanium dioxide is also selected Four concentrations of 1%, 5%, 10% and 20% were used to analyze the internal structure and surface properties of titanium dioxide by four ways of X-ray diffraction (XRD), scanning electron microscopy (SEM), electronic energy dispersive spectroscopy (EDS) and infrared spectroscopy (FTIR) The effects of different ions, dopants and loading ratio were studied to determine the nano-sized titanium dioxide and the non modified titanium dioxide Change the structure of products Hundreds of experiments have been carried out in the whole project In order to improve the added value of the modified titanium dioxide, with the help of Nanjing Soil Institute of Chinese Academy of Sciences, this project solved the problem of how ion doping and biomass carbon load affect the degradation of Cyclopropylamine in water, and also studied the application of different modified titanium dioxide in the purification of environment and improvement of coating performance The characterization methods of modified titanium dioxide established in this research project mainly include four testing methods: X-ray diffraction (XRD), scanning electron microscopy (SEM), electronic energy dispersive spectroscopy (EDS), infrared spectroscopy (FTIR) The characterization application of each testing method in different modification technologies is analyzed The factory and enterprise have strong identification on modified titanium dioxide Theoretical guidance and practical significance have been popularized and applied in some titanium dioxide production enterprises in Jiangsu Province; Jiangsu Zhenti Chemical Co., Ltd has planned to introduce relevant identification technology for quality control in the production process of modified titanium dioxide, which will greatly improve the accuracy and reliability of quality control in enterprises At present, most of the imported and exported titanium dioxide is modified titanium dioxide, and the price of modified titanium dioxide is often higher than that of unmodified titanium dioxide The establishment of this identification technology is conducive to the determination of modified titanium dioxide and the elimination of the phenomenon of falsification The application of modified titanium dioxide in coating and degradation of organic pollutants studied in this project has strong application guidance and certain social and economic benefits to help titanium dioxide enterprises transform and upgrade, increase the added value of titanium dioxide and expand the application field of titanium dioxide [focus on WeChat official account "paint net"; 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