Daylight fluorescent pigments and process for preparing them
Abstract
Abstract NEW DAYLIGHT FLUORESCENT PIGMENTS WHICH CONTAIN AN ORGANIC FLUORESCENT DYESTUFF AND AS BASE RESIN A CONDENSATION RESIN CONSISTING OF A POLYESTER CONDENSATE OF A DICARBOXYLIC ACID AND OF A BI- AND/OR POLYFUNCTIONAL ALCOHOL OR OF A BIFUNCTIONAL ALCOHOL AND A DI- AND/OR POLYFUNCTIONAL CARBOXYLIC ACID, WHICH CONDENSATE IS CROSS-LINKED WITH AN UNPLASTICIZED, ALCOHOL-MODIFIED UREA OR AMINOTRIAZINE FORMALDEHYDE RESIN, AND A PROCESS FOR THEIR PREPARATION, WHICH COMPRISES INCORPORATION THE ORGANIC FLUORESCENT DYESTUFF INTO THE CONDENSATION RESIN. THESE DAYLIGHT FLUORSCENT PIGMENTS MAY BE EMPLOYED FOR PREPARING FLUORESCENT PAINTS, FOR EXAMPLE AIR-DRYING LACQUERS ON THE BASIS OF ALKYL 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 T HEAT, THEY ARE PARTICULARLY SUITABLE FOR FLUORESCENT DYEING OF PLASTICS AND ENAMELS.
Inventors
- 👤 S Noetzel
Bibliographic Details
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