AQUEOUS COATING COMPOSITION FOR DIPCOATING ELECTRICALLY CONDUCTIVE SUBSTRATES CONTAINING BISMUTH AND LITHIUM

• Main Authors: TOBOLL PETRA, WIBMANN NINA, HEMKER SUSANNE, GELBRICH THORSTEN, KEIL PATRICK, MUEHLMEYER JUSTINA, BROSSEIT ANDRE, HOENE ANDREA
• Format: Patent
• Language: Chinese; English
• Published: 30.11.2021
• Subjects: ADHESIVES; APPARATUS THEREFOR; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; ELECTROFORMING; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; FILLING PASTES; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH; PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS; SKI WAXES; USE OF MATERIALS THEREFOR; WOODSTAINS

The present invention relates to aqueous coating composition (A) for at least partially coating an electrically conductive substrate with an electrocoat comprising (A1) at least one cathodically depositable resin as a binder, (A2) at least one crosslinker, (A3) at least 100 ppm of bismuth based on the total weight of the coating composition (A), and (A4) lithium in a form dissolved in (A), wherein this lithium does not exceed a proportion of 300 ppm based on the total weight of the coating composition (A). The present invention also relates to a process for producing (A), to a coating process and to an at least partially coated substrate obtainable by this process. 本发明涉及一种用于以电涂材料至少部分涂覆导电基材的水性涂料组合物(A)，其包含(A1)至少一种可阴极沉积的树脂基料，(A2)至少一种交联剂、(A3)基于涂料组合物(A)总重量为至少100ppm的铋，和(A4)呈溶解于(A)中的形式的锂，其中基于涂料组合物(A)的总重量，该锂的比例不超过300ppm。本发明还涉及一种制备(A)的方法、一种涂覆方法和一种可通过该方法获得的至少部分涂覆的基材。