Alkylated alkali lignin for compatibilizing agents of carbon fiber reinforced plastics with polypropylene

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金沢大学ナノマテリアル研究所 / 金沢大学理工研究域生命理工学系

As an alternative to petroleum-based compatibilizing agents, we developed lignin derivatives for compatibilizing agents of carbon fiber-reinforced plastics that have thermoplasticity. In this study, alkyl chains were introduced into alkali lignin at various ratios to optimize the compatibility of the lignin derivatives with both polypropylene and carbon fiber. The interfacial shear strength between the two materials was improved from 8.2 to 17.2 MPa by mixing with the optimized lignin derivative. The value is comparable to that achieved with a typical petroleum-based compatibilizing agent (18.3 MPa).

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  • Polymer Journal

    Polymer Journal 50 (3), 281-284, 2018-03-01

    Society of Polymer Science, Japan / Springer Nature

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