Daylight fluorescent pigments and process for preparing them
Abstract
Abstract NEW DAYLIGHT FLUORESCENT PIGMENTS WHICH CONTAIN AN ORGANIC FLUORESCENT DYESTUFF AND A CROSS-LINKED, HYDROXYL GROUP CONTAINING POLYESTER OR A CROSS-LINKED COPOLYMER OF OLEFINICALLY UNSATURATED COMPOUNDS CONTAINING HYDROXYL GROUPS AND OF OLEFINICALLY UNSATURATED COMPOUNDS FREE FROM HYDROXYL GROUPS, AND A PROCESS FOR THEIR PREPARATION WHICH COMPRISES INCORPORATING THE ORGANIC FLUORESCENT DYESTUFF INTO THE RESIN. THESE DAYLIGHT FLUORESCENT PIGMENTS MAY BE EMPLOYED FOR PREPARING FLUORESCENT PAINTS, FOR EXAMPLE AIR-DRYING LACQUERS ON THE BASIS OF ALKYD RESIN OR PHYSICALLY DRYING LACQUERS ON THE BASIS OF ACRYLIC RESINS, AS WELL AS FOR PREPARING FLUORESCENT PRINTING INKS SUCH AS INKS FOR SCREEN PRINTING, INTAGLIO PRINTING, BOOK PRINTING AND OFFSET-LITHO PRINTING. DUE TO THEIR HIGH RESISTANCE TO HEAT, THEY ARE PARTICULARLY SUITABLE FOR FLUORESCENT DYEING OF PLASTICS AND ENAMELS.
Inventors
- 👤 S Noetzel
Bibliographic Details
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