Butylated lignin as a compatibilizing agent for polypropylene–based carbon fiber-reinforced plastics

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Abstract

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

Lignin is a renewable resource, but it is also considered a waste or a very-low-value material. Herein, we propose a lignin-derived compatibilizing agent as an alternative to the current compatibilizing agents. We prepared a polypropylene-based carbon fiber-reinforced plastic (CFRP) with butylated lignin (C4 lignin). Upon the addition of C4 lignin, the dispersion of carbon fiber into the matrix, and the adhesion between the carbon fiber and the matrix were greatly improved. As a result, the tensile strength of the CFRP prepared with C4 lignin was greater than that of the CFRP without lignan lignin (37.1 compared to 40.2 MPa). This value is close to that of CFRPs prepared with maleic anhydride-modified polypropylene (40.9 MPa), an existing compatibilizing agent. C4 lignin is a promising candidate for biomass-derived compatibilizing agents for polypropylene-based CFRPs.

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Journal

  • Polymer Journal

    Polymer Journal 50 (10), 997-1002, 2018-10-01

    Society of Polymer Science, Japan / Springer Nature

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