CLASS A, CARBON FIBER-REINFORCED THERMOPLASTIC COMPOSITES THROUGH IN-MOLD COATING

• Main Authors: ASTHANA, SIDDHARTHA, BALTAZAR-Y-JIMENEZ, ALEXIS, KRULL, BRIAN A
• Format: Patent
• Language: English; French
• Published: 30.05.2022
• Subjects: ADHESIVES; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CORRECTING FLUIDS; DYES; FILLING PASTES; GENERAL PROCESSES OF COMPOUNDING; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

A method of injection molding of a class A surface part comprising the steps of first providing a first injections mold cavity for forming a part geometry and a second injection mold cavity for molding of a final class A surface around the part geometry with a second material. Then a fiber reinforced polyamide with an effective amount of an ABS material is compounded and the first injection mold cavity is used to form a part geometry. Thereafter, a colored polyurethane material is injected around the part geometry in the second injection molded cavity for providing a class A surface coating on the part.