PEELABLE INK COMPOSITION FOR POROUS SUBSTRATES

• Main Authors: BASSET, Aurelie, BETHOUART, Carine
• Format: Patent
• Language: English; French
• Published: 07.10.2021
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; USE OF MATERIALS THEREFOR; WOODSTAINS

The present invention relates to an aqueous peelable ink composition comprising hydrogenated acrylonitrile butadiene rubber. The invention also concerns a method for preparing such an aqueous peelable ink composition. A writing instrument comprising such an aqueous peelable ink composition, and a method for writing on a porous substrate, are also part of the invention. Finally, the invention aims at a porous substrate coated with an aqueous peelable ink composition according to the invention. La présente invention concerne une composition d'encre pelable aqueuse comprenant du caoutchouc acrylonitrile butadiène hydrogéné. L'invention concerne également un procédé de préparation d'une telle composition d'encre pelable aqueuse. L'invention concerne en outre un instrument d'écriture comprenant une telle composition d'encre pelable aqueuse, ainsi qu'un procédé d'écriture sur un substrat poreux. Enfin, l'invention vise à fournir un substrat poreux revêtu d'une composition d'encre pelable aqueuse selon l'invention.