Effects of Acid Value and Volume Fraction of Maleic Anhydridemodified Polypropylene on Mechanical Properties for Polypropylene-based Composites

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  • HIKASA Shigeki
    Industrial Technology Center of Okayama Prefecture
  • KAWAGUCHI Daisuke
    Department of Applied Chemistry, Kyushu University Center for Polymer Interface and Molecular Adhesion Science, Kyushu University
  • TANAKA Keiji
    Department of Applied Chemistry, Kyushu University Center for Polymer Interface and Molecular Adhesion Science, Kyushu University
  • ODA Yukari
    Department of Applied Chemistry, Kyushu University Center for Polymer Interface and Molecular Adhesion Science, Kyushu University Faculty of Engineering/Graduate School of Integrated Science and Technology, Department of Engineering, Shizuoka University,
  • KOUKA Koichi
    Industrial Technology Center of Okayama Prefecture

Bibliographic Information

Other Title
  • ポリプロピレン系複合材料の力学特性に及ぼす無水マレイン酸変性ポリプロピレンの酸価および体積分率の効果
  • ポリプロピレンケイ フクゴウ ザイリョウ ノ リキガク トクセイ ニ オヨボス ムスイ マレインサン ヘンセイ ポリプロピレン ノ サンカ オヨビ タイセキ ブンリツ ノ コウカ
Published
2023
DOI
  • 10.11618/adhesion.59.11
Publisher
The Adhesion Society of Japan

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Description

<p>Polypropylene（PP）is generally used as a mixture with fillers to improve its mechanical properties. The quality of the adhesion at the interface between PP and filler is crucial to this end. Thus, a third component is mixed into the composite to improve the interfacial adhesion. We here examine an effect of maleic anhydride grafted PP （PP-g-MA） on mechanical properties of PP composites filled with silica（SiO2）or alumina（Al2O3） particles. Although the tensile stress at yield for the SiO2 composites slightly increased with a concentration of maleic anhydride in the system（CMA），that for the Al2O3 ones remarkably increased with CMA and reached a plateau value. We successfully demonstrate that the interfacial adsorbed layer of PP-g-MA was well evolved onto the Al2O3 filler, resulting in the improvements of the mechanical properties of the PP composites.</p>

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