METAL PANEL REINFORCEMENT MATERIAL AND REINFORCEMENT METHOD OF METAL PANEL

PROBLEM TO BE SOLVED: To provide a metal panel reinforcement material that secures light-weight and rigidity, has large fracture strain, and imparts toughness to the metal plate by heat hardening, while showing a sufficient tentative adhesive force with initial state adhesiveness.SOLUTION: A metal p...

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Bibliographic Details
Main Authors OKAMOTO KOICHIRO, NISHIUMI KENGO, SASAHARA SHUICHI
Format Patent
LanguageEnglish
Japanese
Published 16.03.2017
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Summary:PROBLEM TO BE SOLVED: To provide a metal panel reinforcement material that secures light-weight and rigidity, has large fracture strain, and imparts toughness to the metal plate by heat hardening, while showing a sufficient tentative adhesive force with initial state adhesiveness.SOLUTION: A metal panel reinforcement material includes a plastic component of a crosslinking polymer matrix having at least curability, a hardening agent of the plastic component, a resin composition containing a hardening accelerator of the plastic component and a crosslinking polymer matrix, and a sheet-like fiber substrate, in which the metal panel reinforcement material shows, when a reinforcement metal panel is formed by adhering a metal panel having a thickness of 0.8 mm and by heating to integrate, the following properties to the metal panel, in the three-point bending test measured with a span of 100 mm, (i) a strength improvement rate of the strength during 1 mm displacement of 120% or larger, (ii) the maximum strength improvement rate of 200% or larger, and (iii) strain energy to the maximum point of 0.5 N m or larger.SELECTED DRAWING: None 【課題】初期状態の粘着性により十分な仮着力を示しながら、軽量性と剛性を確保し、破断ひずみが大きく靭性を加熱硬化により金属パネルに付与する金属パネル補強材を提供することを課題とする。【解決手段】少なくとも硬化性を有する架橋高分子マトリックスの可塑成分、前記可塑成分の硬化剤、前記可塑成分の硬化促進剤及び架橋高分子マトリックスを含む樹脂組成物と、シート状繊維基材とを含む金属パネル補強材であって、前記金属パネル補強材は、0.8mm厚の金属パネルに貼着し、加熱して一体化することで補強金属パネルとした際に、前記金属パネルに対して、以下の性質:スパン100mmで測定した3点曲げにおいて、(i)強度の1mm変位時の強度向上率が120%以上、(ii)最大強度向上率が200%以上、且つ、(iii)最大点までのひずみエネルギーが0.5N・m以上、を示すことを特徴とする金属パネル補強材により上記課題を解決する。【選択図】なし
Bibliography:Application Number: JP20150178128