Chemical Composition, Properties, and Morphology
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- 2.1 PARTICULATE FILLERS 2.1.1 ALUMINUM FLAKES AND POWDERS Names
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2 Fillers − Origin, Chemical Composition, Properties, and Morphology The information included in this chapter is based on the data selected from the technical information included in the manufacturers literature and research papers. The main goal of this chapter is to provide information on: • Physical and chemical characteristics of fillers • Morphology of filler particles • Sources of fillers • Manufacturers • Important commercial grades • Major applications • Relevant studies Data for each filler are presented in the form of a standard table which contains, for a particular filler, only sections for which information was available. The physical charac- teristics of fillers and other data on typical parameters are taken from the manufacturers literature and open literature to show the range of properties rather than values for a partic- ular grade. The information on the characteristics of every filler is extensive and comes from over 250 manufacturers. Large quantity of information gathered is presented as established property range in a tabular form. The text which follows the table for a particular group of fillers discusses manufac- turing methods, morphology, explains and amplifies the tabular data, and shows the results of the most important studies done on particular filler. 2.1 PARTICULATE FILLERS 2.1.1 ALUMINUM FLAKES AND POWDERS Names: aluminum flakes, aluminum pigments, leafing aluminum pig- ments, pigment dispersions (pastes) in solvents CAS #: 7429-90-5 Chemical formula: Al Functionality: OH Trace elements: Si − 0.05-.025%, Fe − 0.1-0.4%, other − 0.03-0.05% Chemical composition: Al − 95.3-99.98%; oxide content − 1-3%, lubri- cant content − 0.2-4%; solvent dispersions (pastes) contain 43-63% alu- minum pigment Download 7.85 Kb. Do'stlaringiz bilan baham: |
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