COATING MATERIAL BASED ON BLOCKED POLYURETHANES

• Main Authors: KREUDER H,DT, DHEIN R,DT, RUDOLPH H,DT, DE CLEUR E,DT
• Format: Patent
• Language: English
• Published: 25.06.1974
• Subjects: ADHESIVES; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; SPRAYING OR ATOMISING IN GENERAL; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS

The invention relates to new varnish binders for coating materials and to a process of forming a continuous coating on an article by spraying a pulverulent coating material preferably having a softening point of 40 DEG C, comprising those varnish binders of the present invention being pulverulent and having a softening point of at least 40 DEG C, optionally in mixtures with additives, through an electric field on an article to adhere the said pulverulent coating material to said article and baking said coating material to fuse it into a continuous coating.