PIGMENTS PRODUCTION BY EXPLOITATION OF CONERTOR SLAG BY -PROCUCTS OF LARKO
Abstract
IN THIS WORK THERE HAS BEEN AN EFFORT FOR THE EXPLOITATION OF THE POWDER BY PRODUCT OF OXYGEN CONVERTOR SLAG FROM THE FERRONICKEL INDUSTRY LARKO AS A PIGMENT FOR THE PRODUCTION OF ANTICORROSIVE PAINTS. PHYSICOCHEMICAL ANALYSES OF SLAG HAVE SHOWED THAT IT CONSISTS OF IRON OXIDES, MAINILY FE _3O_4, IT POSSESSES MAGNETIC PROPERTIES AND THAT THE SLAG GRAINS HAVE AN OUTER COVER OF CALCIUM ANDAND MAGNESIUM OXIDES AND THE INNER PART CONSISTS OF IRON OXIDES. FOR THE MANUFACTURING OF PAINTS, AS PIGMENT OXYGEN CONVERTOR SLAG, RAW AND PROCESSED AFTERBEING WASHED WITH WATER, HAS BEEN USED AND AS RESIN ALKYD RESIN MODIFIED WITHSTYRENE, ALKYD RESIN MODIFIED WITH NITROCELLULOSE, POLYURETHANE RESIN AND CHLORINATED RUBBER HAVE BEEN USED. ALSO SYSTEMS OF THE MANUFACTURED PAINTS WITH PRIMER ROSTISOL PAINTS HAVE BEEN TESTED. AS CORROSIVE ENVIRONMENT 3.5% WT NACL SOLUTION AS WELL AS AMBIENT ATMOSPHERE HAVE BEEN USED. MEASUREMENTS MADE ON THESE SPECIMENS HAVE BEEN WEIGHT LOSS, ELECTROCHEMICAL WEIGH ...
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