Manufacturing method for composite board

• Main Author: YAN LINGCHEN
• Format: Patent
• Language: Chinese; English
• Published: 04.07.2017
• Subjects: LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PERFORMING OPERATIONS; TRANSPORTING

The invention discloses a manufacturing method for a composite board, belonging to the technical field of composite boards. The manufacturing method comprises the following steps: step 1, preparation of a PVC foamed layer; step 2, extrusion molding: extruding the PVC foamed layer prepared in the step 1 to extrusion via an extruding machine and then carrying out cooling molding via a cooling machine; step 3, lamination: uniformly and rapidly coating the upper surface of the PVC foamed layer having undergone extrusion molding in the step 2 with a PUR hot melt adhesive by using a roller coating machine, then overlaying solid-wood veneer on the coated PVC foamed layer and carrying out lamination via a cold press for 10 to 20 min so as to realize molding; step 4, roller coating: coating the upper surface of the solid-wood veneer on the laminated and molded PVC foamed layer with an aqueous paint in the manner of roller coating, then carrying out roller coating of a UV paint and carrying out drying via an UV lamp; a