PROBLEM TO BE SOLVED: To provide a foamed body excellent in a balance between fire retardancy and weight saving.SOLUTION: Provided is a foamed body in which a filler is dispersed into a matrix resin having a three-dimensional structure, where, provided that the maximum calorific value velocity of the foamed body measured in accordance with a heat release test according to FAR25.853 (Appendix F, Part IV) is defined as v1 and the maximum calorific value velocity of a non-foamed resin molded body including a matrix resin and a filler is defined as V2, the maximum calorific value velocity ratio (X1/V2) is 0.9 or lower.SELECTED DRAWING: Figure 1
【課題】難燃性と軽量化とのバランスに優れた発泡体を提供する。【解決手段】本発明の発泡体は、3次元構造を有するマトリックス樹脂中にフィラーが分散した発泡体であって、FAR25.853(Appendix F,Part IV)に準拠したヒートリリース試験により測定した、当該発泡体の最大発熱量速度をV1とし、マトリックス樹脂とフィラーとを含む無発泡樹脂成形体の最大発熱量速度をV2としたとき、最大発熱速度比(V1/V2)が、0.9以下である。【選択図】図1
FOAMED BODY AND METHOD FOR PRODUCING FOAMED BODY
発泡体および発泡体の製造方法
05.10.2017
Patent
Elektronische Ressource
Japanisch
IPC: | B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / C08J Verarbeitung , WORKING-UP / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
Europäisches Patentamt | 2019
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