JUNE 1982 PIGMENT AND RESIN TECHNOLOGY 21 atmosphere and working environ One-pack zinc-rich primer ment with poisonous fumes. In the photo right a steel test panel coated with Metalhide Akzo Coatings' new hydro- One-Pac zinc-rich primer (right) by filler is applied wet-on-wet on a PPG Industries shows no rust pit water-borne anti-stone primer and tin g and less corrosion along the water-borne underbody coating, "X " scribe line than a competitive whic h products are also co-solvent produc t applied to an identical free. panel. Both panels were exposed to Colanyl pigments for emulsions 5,00 0 hrs of salt-spray testing. The In order to meet increasing one-package Pittsburgh Paints pro demands made on pigment prepar duc t gives corrosion protection and ations used for the coloration of fil m hardness comparable to two- emulsion paint, Hoechst have en component primers, but minimises larged their Colanyl range with a waste by eliminating blending of number of new products. components . Metalhide One-Pac It is appropriate that the primer is ready to use after mech first two products belong to the anical agitation; any unused mater Hansa® Yellow series, a class of ial that is tightly sealed may be pigments discovered by Hoechst at used at a future date. the turn of the century, but still the Water-borne hydro-filler Details : PPG Industries, most important organic pigments Followin g a nearly one year Inc., One Gateway Center, Pitts for decorative paint. use on the production line of a burgh , Pa. 15222, USA. Colanyl Yellow 12G is des major West German car manufac cribed as a very strong, bright turer, Akzo Coatings announce the greenish shade yellow with good successful introduction of their new Hansa Orange R light fastness. Although based on Hansa Orange R is a very hydro-filler. Pigment Yellow 3, it is also said to yellowis h form of pigment Orange The product has been devel be up to 50 % stronger than conven 5. Because of its good light-fastness oped by their automotive laborator tional preparations, making it ideal and easy dispersibility, the new, ies in Stuttgart (Lesonal) and its inexpensive pigment manufactured for paints where economy is success puts Akzo Coatings just by Hoechst AG is mainly used in essential. one step away from the develop packaging inks. The fastness pro Colanyl Brilliant Yellow ment of a complete water-borne perties largely correspond to those 5GX is much redder in shade but is paint system, they claim. of Hansa Red GG. also very strong. It is based on Besides the hydro-filler, Details : Hoechst AG, 6230 Pigment Yellow 74, which gives it water-borne dipping primers and Frankfurt (M) 80, W . Germany. twic e the strength of conventional water-borne paints for engines, Hansa Yellow G preparations, with chassis, axles and petrol tanks have improve d light fastness. Hoechst been developed by Akzo Coatings Black for gravure inks state that it is therefore ideal for and are now widely used. Euviprint Black 0053, a application s where economies have Akzo Coatings have pion 50 % preparation of carbon black to be made without sacrificing eered in developing an "environ in a vinyl chloride/vinyl acetate properties. ment friendly" paint system which, copolymer , is a recent development The main characteristics of whe n completed, will contain no in BASF's Euviprint line. It features these new Colanyl preparations are organic solvents. Where the water- high colour strength and outstand their excellent compatibility with a borne dipping primers and above- ing general fastness properties. wid e variety of emulsion systems, mentione d water-borne paints were The main field of applica thus avoiding the phenomenon of an important step towards "envir tio n is the production of gravure colour development during applica onment friendly" paint systems, the inks for printing plasticised PVC tio n and a pourable consistency, newl y introduced hydro-filler con film , aluminium foil and other whic h facilitates easy handling. tributes even more to this, claims packaging materials. Akzo , because it is free of any Details : Hoechst UK Ltd., Details : BASF UK Ltd., organic co-solvent. The product Colour & Surfactants Division, Dispersions & Pigments Division, does not produce anymore danger Stainland Works, Holywell Green, P.O. Box 4, Earl Road, Cheadle Hulme , Cheshire SK8 6QG. ous emissions that pollute both Halifax HX4 8DL.
Pigment & Resin Technology – Emerald Publishing
Published: Jun 1, 1982
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