FOAM MOLDING

• Main Authors: YUMOTO MASAHIRO, MIYAKE YUJI
• Format: Patent
• Language: English; Japanese
• Published: 14.08.2023
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

To provide an extrusion molding and a foam molding with excellent recovery rate.SOLUTION: A foam molding made of resin composition contains ethylene-vinyl acetate copolymer and inorganic powder, and does not contain polypropylene, where the vinyl acetate unit content ratio (raw material standard) in the ethylene-vinyl acetate copolymer is 2 to 40 mass%, the content ratio of the inorganic powder is 3 to 20 pts.mass to 100 pts.mass of the ethylene-vinyl acetate copolymer, the volume content of open cells is 5 vol% or more, and the expansion ratio is 10 times or more.SELECTED DRAWING: None 【課題】押出成形体や復元率の良い発泡成形体の提供。【解決手段】エチレン－酢酸ビニル共重合体と無機粉末を含有し、ポリプロピレンを含まない樹脂組成物からなる発泡成形体であって、前記エチレン－酢酸ビニル共重合体中の酢酸ビニル単位含有割合（原料基準）が２～４０質量％であり、前記無機粉末の含有割合が、前記エチレン－酢酸ビニル共重合体１００質量部に対して３～２０質量部であり、連続気泡の体積含有率が５vol％以上、発泡倍率が１０倍以上である、発泡成形体。【選択図】なし