THERMOPLASTIC RESIN FOAM MOLDING AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a thermoplastic resin foam molding capable of obtaining high flame retardancy, and to provide a method for producing the same.SOLUTION: There is provided a thermoplastic resin foam molding being a thermoplastic resin foam molding obtained by forming air bubbles in a matrix formed from a molding material containing an amorphous thermoplastic resin, a crystalline thermoplastic resin and a flame retardant, where an absolute value ΔSP1 of a difference between an SP value of the crystalline thermoplastic resin and an SP value of the flame retardant and an absolute value ΔSP2 of a difference between an SP value of the amorphous thermoplastic resin and the SP value of the flame retardant satisfy a relational expression (1): ΔSP1-ΔSP2>1.0, and in the thermoplastic resin foam molding, ΔSP2 preferably satisfies a relational expression (2): ΔSP2≤1.0.SELECTED DRAWING: None 【課題】 高い難燃性が得られる熱可塑性樹脂発泡成形体およびその製造方法の提供。【解決手段】 熱可塑性樹脂発泡成形体は、非晶性熱可塑性樹脂と結晶性熱可塑性樹脂と難燃剤とを含有する成形体材料によるマトリックス中に気泡が形成されてなる熱可塑性樹脂発泡成形体であって、前記結晶性熱可塑性樹脂のＳＰ値および前記難燃剤のＳＰ値の差の絶対値ΔＳＰ１と、前記非晶性熱可塑性樹脂のＳＰ値および前記難燃剤のＳＰ値の差の絶対値ΔＳＰ２とが、関係式（１）：ΔＳＰ１−ΔＳＰ２＞１．０を満たすことを特徴とする。熱可塑性樹脂発泡成形体においては、前記ΔＳＰ２が関係式（２）：ΔＳＰ２≦１．０を満たすことが好ましい。【選択図】 なし