Characterization Of Fine Powders And Development Of Processes For Powder Coatings

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Characterization of Fine Powders and Development of Processes for Powder Coatings

Author : Jing Fu
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Characterization of Fine Powders and Development of Processes for Powder Coatings by : Jing Fu

Download or read book Characterization of Fine Powders and Development of Processes for Powder Coatings written by Jing Fu and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Traditional powder coating provides poor coating appearance. Fine powder coating can overcome this drawback since the smaller powder particles lead to much smoother finish. Nevertheless, fine powder has been experienced to cause more application problems. This study investigated fine powder coatings from different aspects and it provided solutions to solve these application problems. The investigation on fine powders conducted by this study concluded that the medium particle size and D10 was not suitable for the flowability characterization of fine powder coatings. Instead, an index which represented the particle size distribution could correlate with the flowabilities of the fine powder coatings much better. In addition, several processing methods were developed for the production of fine powder coatings. The experiments disclosed that the revised designs of the cyclone and the grinder could obtain narrower particle size distribution of the powder coatings, which was desired. In addition, other performances of the processes were not sacrificed. The spraying method of powder coatings was also investigated in this study. The additional moisture on the surfaces of the fine powder particles was found to reduce the resistivity of the powder so as to enhance the transfer efficiency during the corona spraying. On the other hand, a new spray gun design with alternative charging pattern could reduce the Faraday Cage effect during corona spraying of fine powders. In addition, it also showed large potential on improving the transfer efficiency of coarse powders. Finally, new processing techniques for functional powder coatings were developed. Utilization of dry blended catalysts could solve the problems of pre-curing and short shelf life associated with the conventional low-cure powder coatings. Other than that, the complicated heat-blending process for processing metallic color powder coatings can be replaced by a new bonding technique with utilization of liquid bonder. The strong bond between powder particles and metallic pigments provided by this new technique can solve the recyclability problem of the metallic color powder coatings during spraying. The discoveries from the thesis study contribute to further understandings of powder coatings. This study also provides useful suggestions for future developments of powder coating technologies.

Green Chemistry for Surface Coatings, Inks and Adhesives

Author : Rainer Höfer
Publisher : Royal Society of Chemistry
ISBN 13 : 1788018001
Total Pages : 450 pages
Book Rating : 4.7/5 (88 download)

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Book Synopsis Green Chemistry for Surface Coatings, Inks and Adhesives by : Rainer Höfer

Download or read book Green Chemistry for Surface Coatings, Inks and Adhesives written by Rainer Höfer and published by Royal Society of Chemistry. This book was released on 2019-06-06 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many modern surface coatings and adhesives are derived from fossil feedstocks. With fossil fuels becoming more polluting and expensive to extract as supplies dwindle, industry is turning increasingly to nature, mimicking natural solutions using renewable raw materials and employing new technologies. Highlighting sustainable technologies and applications of renewable raw materials within the framework of green and sustainable chemistry, circular economy and resource efficiency, this book provides a cradle-to-cradle perspective. From potential feedstocks to recycling/reuse opportunities and the de-manufacture of adhesives and solvents, green chemistry principles are applied to all aspects of surface coating, printing, adhesive and sealant manufacture. This book is ideal for students, researchers and industrialists working in green sustainable chemistry, industrial coatings, adhesives, inks and printing technologies.

Fluidization of Fine Powders

Author : José Manuel Valverde Millán
Publisher : Springer Science & Business Media
ISBN 13 : 9400755864
Total Pages : 144 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Fluidization of Fine Powders by : José Manuel Valverde Millán

Download or read book Fluidization of Fine Powders written by José Manuel Valverde Millán and published by Springer Science & Business Media. This book was released on 2012-10-12 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the rich phenomenology exhibited by fine powders when they are fluidized by a gas flow. Fine powder cohesiveness leads to poor flowability, clumping, difficulty in fluidizing, irregular avalanching behavior, etc. Despite all the inconveniences, fine powder processes pervade the chemical, pharmaceutical, agricultural and mining industries among others. The author in this book analyzes the mechanism by which interparticle adhesive forces are reduced by means of surface additives. Different techniques have been developed in the last years to assist fluidization by helping the gas flow to mobilize and break cohesive aggregates, which help to homogenize fluidization. As reviewed in this book, the use of these techniques may have a relevant impact on novel processes based on fluidized beds of fine powder and with relevant applications on leading edge technologies such as Atomic Layer Deposition on nanoparticles and CO2 capture by gas-fluidized beds of adsorbent powders. The study of fluidized beds has a marked interdisciplinary character. This book is thus intended for academic and industrial researchers in applied physics, mechanical, chemical, and environmental engineering, who are interested in the special characteristics of fine powders.

Characterization of Powders and Aerosols

Author : Brian H. Kaye
Publisher : John Wiley & Sons
ISBN 13 : 3527614036
Total Pages : 323 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Characterization of Powders and Aerosols by : Brian H. Kaye

Download or read book Characterization of Powders and Aerosols written by Brian H. Kaye and published by John Wiley & Sons. This book was released on 2008-07-11 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: Characterization of fine particles is a difficult task! A large number of industries deal with materials in powder form. The properties of these powders depend on their particle size, particle shape and size distributions, surface and porosity. What are the methods? What are the problems? What questions need answering? This new book covers the problems of sampling both powders and aerosols, and discusses calibration standards for different instruments. It takes into account fractionating methods for fine particles, e.g., sieving procedures, sedimentation methods, and the use of cyclones. Image analysis and its use for the measurement of the size and shape of powder grains and light-diffraction techniques for size evaluation are presented. Furthermore, this books covers the most effective methods for measuring surface areas, fractal structures of rough surfaces, and pore structures of porous bodies. Practitioners will find tips for modification of analytical procedures for on-line characterization, and many graphs for comparing data obtained by different methods are presented.

Journal of Research of the National Institute of Standards and Technology

Author :
Publisher :
ISBN 13 :
Total Pages : 668 pages
Book Rating : 4.:/5 (6 download)

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Book Synopsis Journal of Research of the National Institute of Standards and Technology by :

Download or read book Journal of Research of the National Institute of Standards and Technology written by and published by . This book was released on 1993 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reports NIST research and development in the physical and engineering sciences in which the Institute is active. These include physics, chemistry, engineering, mathematics, and computer sciences. Emphasis on measurement methodology and the basic technology underlying standardization.

Handbook of Non-Ferrous Metal Powders

Author : Oleg D Neikov
Publisher : Elsevier
ISBN 13 : 0080559409
Total Pages : 644 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Handbook of Non-Ferrous Metal Powders by : Oleg D Neikov

Download or read book Handbook of Non-Ferrous Metal Powders written by Oleg D Neikov and published by Elsevier. This book was released on 2009-02-24 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: The manufacture and use of the powders of non-ferrous metals has been taking place for many years in what was previously Soviet Russia, and a huge amount of knowledge and experience has built up in that country over the last forty years or so. Although accounts of the topic have been published in the Russian language, no English language account has existed until now. Six prominent academics and industrialists from the Ukraine and Russia have produced this highly-detailed account which covers the classification, manufacturing methods, treatment and properties of the non-ferrous metals ( aluminium, titanium, magnesium, copper, nickel, cobalt, zinc, cadmium, lead, tin, bismuth, noble metals and earth metals). The result is a formidable reference source for those in all aspects of the metal powder industry. Covers the manufacturing methods, properties and importance of the following metals: aluminium, titanium, magnesium, copper, nickel, cobalt, zinc, cadmium, noble metals, rare earth metals, lead, tin and bismuth Expert Russian team of authors, all very experienced English translation and update of book previously published in Russian

Testing and Characterization of Powders and Fine Particles

Author : John K. Beddow
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (44 download)

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Book Synopsis Testing and Characterization of Powders and Fine Particles by : John K. Beddow

Download or read book Testing and Characterization of Powders and Fine Particles written by John K. Beddow and published by . This book was released on 1980 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Dynamics of Fine Powders

Author : K. Rietema
Publisher : Springer Science & Business Media
ISBN 13 : 9401136726
Total Pages : 274 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis The Dynamics of Fine Powders by : K. Rietema

Download or read book The Dynamics of Fine Powders written by K. Rietema and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: flour, potato starch, cracking catalyst, sand, and gravel, one will probably agree that the first four materials definitely are powders and the last one certainly is not. Whether one would call sand a powder probably depends on the partiele size and on personal Vlews. When the astronaut Neil Armstrong returned to the Earth from his trip on the surface of the Moon, he stated: 'The surface is fine and powdery. I can kick it up loosely with my toe. It does adhere in fine layers like powdered charcoal to the sole and inside of my boots. I only go in a small fraction of an inch, but I can see the footprints of my boots and the treads in the fine sandy partieles. ' These words elearly show that the behaviour of powders de pends on the circumstances. In wh at respects are those on the Moon different from those on the Earth? (1) The gravitational force on the surface of the Moon is only one-sixth of that on the Earth. (2) There is no gas on the Moon. The latter aspect means that any water brought there would evaporate and disappear immediately, hence powders on the Moon will always be perfect1y dry so that cohesion between the separate partieles due to liquid bridges will be zero.

Postdoctoral Research Associateships

Author :
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Postdoctoral Research Associateships by :

Download or read book Postdoctoral Research Associateships written by and published by . This book was released on 1984 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Materials Science and Engineering Laboratory

Author :
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Materials Science and Engineering Laboratory by :

Download or read book Materials Science and Engineering Laboratory written by and published by . This book was released on 1993 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Engineered Materials Handbook, Desk Edition

Author : ASM International. Handbook Committee
Publisher : ASM International
ISBN 13 : 0871702835
Total Pages : 1313 pages
Book Rating : 4.8/5 (717 download)

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Book Synopsis Engineered Materials Handbook, Desk Edition by : ASM International. Handbook Committee

Download or read book Engineered Materials Handbook, Desk Edition written by ASM International. Handbook Committee and published by ASM International. This book was released on 1995-11-01 with total page 1313 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive reference on the properties, selection, processing, and applications of the most widely used nonmetallic engineering materials. Section 1, General Information and Data, contains information applicable both to polymers and to ceramics and glasses. It includes an illustrated glossary, a collection of engineering tables and data, and a guide to materials selection. Sections 2 through 7 focus on polymeric materials--plastics, elastomers, polymer-matrix composites, adhesives, and sealants--with the information largely updated and expanded from the first three volumes of the Engineered Materials Handbook. Ceramics and glasses are covered in Sections 8 through 12, also with updated and expanded information. Annotation copyright by Book News, Inc., Portland, OR

Powders and Bulk Solids

Author : Dietmar Schulze
Publisher : Springer Nature
ISBN 13 : 3030767205
Total Pages : 625 pages
Book Rating : 4.0/5 (37 download)

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Book Synopsis Powders and Bulk Solids by : Dietmar Schulze

Download or read book Powders and Bulk Solids written by Dietmar Schulze and published by Springer Nature. This book was released on 2021-09-02 with total page 625 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book concentrates on powder flow properties, their measurement and applications. These topics are explained starting from the interactions between individual particles up to the design of silos. A wide range of problems are discussed – such as flow obstructions, segregation, and vibrations. The goal is to provide a deeper understanding of the powder flow, and to show practical solutions.

Study on Fine Powder Coating with Modified Additive

Author : Dangchen Xue
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Study on Fine Powder Coating with Modified Additive by : Dangchen Xue

Download or read book Study on Fine Powder Coating with Modified Additive written by Dangchen Xue and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Powder coating is a dry coating technology competing with conventional liquid coatings and offers many benefits such as the elimination of volatile organic compounds, high efficiency of material usage and improved coating durability. However, the rough and thick film surface restricts its wide application. The fine powder coating, which can solve the film quality issues, also has its own limitation: the powder is too cohesive to handle. Although, nanoparticle flow additives can significantly improve the flowability of fine powders, it leads to another obstacle at the same time. Since the inorganic nano additives are not fully compatible with the organic fine powder coating materials during the curing process, the agglomerates formed by nanoparticles can result in film defects such as seeds and pinholes, as well as the reduction of gloss. A technology of encapsulating polymer resins on the surface of nano silica additive is used for this work. By modifying the surface of the inorganic additives, the compatibility issues are expected to be solved while the effect of additive on flowabilities remains. The modified additives were prepared by encapsulating commercial nano silica additives with 2 organic materials, polyester or hybrid, in 4 different Resin-to-Encapsulated Additive ratios (R-EA ratios) and evaluated by TEM. The additives were incorporated into fine coating powders in 4 different additive loading ratios (LOAs). All of the 40 samples were tested by flow property measurements to obtain their angle of repose (for semi-static flow property) and avalanche angle (for dynamic flow property). The results show that with a suitable R-EA ratio and additive loading ratio, the powder sample performs better with improved semi-static and dynamic flow properties. And the optimum R-EA ratios and LOAs were suggested for specific applications. For each powder samples, three panels were sprayed with an electrostatic method and all of the 120 coated panels were evaluated by measuring gloss and the number of seeds on the film surface. Some panels were evaluated by a roughness profiler. The results show that coating films from the samples with modified additives have higher gloss, lower roughness and less seeds on the surface.

Abrasive Technology: Current Development And Applications I - Proceedings Of The Third International Conference On Abrasive Technology (Abtec '99)

Download Abrasive Technology: Current Development And Applications I - Proceedings Of The Third International Conference On Abrasive Technology (Abtec '99) PDF Online Free

Author : William J Scott
Publisher : World Scientific
ISBN 13 : 9814493899
Total Pages : 558 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Abrasive Technology: Current Development And Applications I - Proceedings Of The Third International Conference On Abrasive Technology (Abtec '99) by : William J Scott

Download or read book Abrasive Technology: Current Development And Applications I - Proceedings Of The Third International Conference On Abrasive Technology (Abtec '99) written by William J Scott and published by World Scientific. This book was released on 1999-11-10 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abrasive technology is becoming increasingly important in precision manufacturing. This volume contains more than 70 refereed technical papers contributed by worldwide academic researchers and industrial practitioners, on the latest development in abrasive technology. Specifically, it covers the mechanics and mechanisms of abrasive processes as well as the technologies and applications related to abrasive jet machining, nano-machining, grinding, polishing, horning and lapping. It also includes topics on high-speed machining, eco-machining and laser micro-machining technologies. The discussion on the practical applications of abrasive technology and the associated theories makes this book useful for academic researchers and industrial practitioners.

Pulmonary Drug Delivery

Author : Ali Nokhodchi
Publisher : John Wiley & Sons
ISBN 13 : 1118799526
Total Pages : 392 pages
Book Rating : 4.1/5 (187 download)

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Book Synopsis Pulmonary Drug Delivery by : Ali Nokhodchi

Download or read book Pulmonary Drug Delivery written by Ali Nokhodchi and published by John Wiley & Sons. This book was released on 2015-06-01 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drug therapy via inhalation route is at the cutting edge of modern drug delivery research. There has been significant progress on the understanding of drug therapy via inhalation products. However, there are still problems associated with their formulation design, including the interaction between the active pharmaceutical ingredient(s) (APIs), excipients and devices. This book seeks to cover some of the most pertinent issues and challenges of such formulation design associated with industrial production and desirable clinical outcome. The chapter topics have been selected with a view to integrating the factors that require consideration in the selection and design of device and formulation components which impact upon patient usability and clinical effectiveness. The challenges involved with the delivery of macromolecules by inhalation to both adult and pediatric patients are also covered. Written by leading international experts from both academia and industry, the book will help readers (formulation design scientists, researchers and post-graduate and specialized undergraduate students) develop a deep understanding of key aspects of inhalation formulations as well as detail ongoing challenges and advances associated with their development.

Proceedings of the 62nd Conference of Metallurgists, COM 2023

Author : Metallurgy & Materials Soc. of CIM
Publisher : Springer Nature
ISBN 13 : 3031381416
Total Pages : 1033 pages
Book Rating : 4.0/5 (313 download)

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Book Synopsis Proceedings of the 62nd Conference of Metallurgists, COM 2023 by : Metallurgy & Materials Soc. of CIM

Download or read book Proceedings of the 62nd Conference of Metallurgists, COM 2023 written by Metallurgy & Materials Soc. of CIM and published by Springer Nature. This book was released on 2023-11-20 with total page 1033 pages. Available in PDF, EPUB and Kindle. Book excerpt: These Proceedings represent the metallurgical engineering and materials science research presented at the 62nd Annual Conference of Metallurgists (COM 2023), held in Toronto, Canada, from 21 to 24 August 2023. The Annual Conference of Metallurgists is organized by the Metallurgy & Materials Society of the Canadian Institute of Mining, Metallurgy and Petroleum (MetSoc of CIM). The collection themed ‘Climate Change and Sustainability’ presents findings on a wide range of topics, including: Advanced Manufacturing and Materials Sustainability: Integration for Better Outcomes Light Metals for Transportation and Next Generation Vehicles Derek Kerfoot Memorial Pressure Hydrometallurgy Symposium Laplante-Laskowski Symposium on Mineral Processing Fundamentals Wasmund Memorial Symposium of Sustainability in Pyrometallurgy