To provide a novel foaming curable composition that exhibits good foaming and adhesive properties, and also retains good properties after being left uncured.SOLUTION: Provided is a foaming curable composition that contains a heat-curable elastomer (A), a chemical foaming agent (B), and expandable particles (C) having a shell and an encapsulated component, wherein the chemical foaming agent (B) contains a hydrazine-based foaming agent (B1), and a peak foaming temperature of the chemical foaming agent (B) is higher than a peak expansion temperature of the expandable particles (C) by 5°C or more and 50°C or less.SELECTED DRAWING: None
【課題】発泡特性及び接着特性に加えて、未硬化放置後特性も良好に有する、新規な発泡硬化性組成物発泡硬化性組成物の提供。【解決手段】発泡硬化性組成物であって、熱硬化性エラストマー(A)、化学発泡剤(B)、及びシェル及び内包成分を有する膨張性粒子(C)を含み、前記化学発泡剤(B)がヒドラジン系発泡剤(B1)を含み、前記化学発泡剤(B)の発泡ピーク温度が前記膨張性粒子(C)の膨張ピーク温度よりも5℃以上50℃以下大きい、発泡硬化性組成物。【選択図】なし
FOAMING CURABLE COMPOSITION
発泡硬化性組成物
2023-11-24
Patent
Electronic Resource
Japanese
European Patent Office | 2021
|