| 摘要 |
PROBLEM TO BE SOLVED: To provide: a recycled composite material that has a high flame retardancy and is halogen-free; and a recycled composite material that does not impair the appearance and performance as a synthetic wood product.SOLUTION: The recycled composite material is composed of: a core material containing 30 to 60 mass% of wood meal and 20 to 40 mass% of olefinic plastic and 3 to 20 mass% of thermo-expandable graphite; and a surface-layer material laminated on at least a portion of the core material, containing 10 to 50 mass% of wood meal and 30 to 60 mass% of olefinic plastic and 10 to 50 mass% of metal hydroxide-based flame retardant.SELECTED DRAWING: None |
