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All-polyamide composites prepared by resin transfer molding

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Abstract

Resin transfer molding (RTM) was used to manufacture all-polyamide (all-PA) composites in which PA6 matrix was in situ formed by the anionic polymerization of ε-caprolactam (CL). Influence of molding temperature (T M), a critical process parameter, on the structure and properties of all-PA composites was investigated using TGA, DSC, SEM, and tensile, flexural test. Increasing T M resulted in the decrease of CL conversion and the enhancement of fiber/matrix interface bonding. By comparing the mechanical properties of all-PA composites prepared at different T M (140–200 °C), an optimal T M (180 °C) was found in this temperature range. As a whole, the complete consolidation of all-PA composites and the remarkable reinforcing effect of PA66 fibers on PA6 matrix were assured by low-void fraction, high-CL conversion and strong interface performance though in a wide T M range.

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Authors and Affiliations

  1. Joint Laboratory of Polymer Science and Technology, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100080, China

    Ying Gong

  2. Shanghai Genius Advanced Materials Co. Ltd, Shanghai, 201109, China

    Guisheng Yang

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  1. Ying Gong
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  2. Guisheng Yang
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Correspondence to Guisheng Yang.

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Gong, Y., Yang, G. All-polyamide composites prepared by resin transfer molding. J Mater Sci 45, 5237–5243 (2010). https://doi.org/10.1007/s10853-010-4565-6

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  • DOI: https://doi.org/10.1007/s10853-010-4565-6

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