Liquid Crystalline Polymers as Tunable Composite Resins for Composites Applications

Doctoral thesis (2021)

Authors

M. Marchetti Novel Aerospace Materials - Aerospace Engineering
Research Group
Novel Aerospace Materials (Aerospace Engineering) (TU Delft)
Copyright: © 2021 M. Marchetti
DOI: https://doi.org/10.4233/uuid:5e1093cb-5f7f-485d-9bb5-cd505a772820
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Published Date

2021

Language

English

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Faculty

Aerospace Engineering

Department

Aerospace Structures & Materials

Research Group

Novel Aerospace Materials

Abstract

The work presented in this Thesis describes the use of reactive all aromatic liquid crystalline thermosetting resins for fiber reinforced composite applications. One of the challenges associated with reactive LC thermoplastic resins is that the melting temperature ( T k lc ) is typically close to or above the decomposition temperature. In order to improve the melt processing characteristics of reactive liquid crystal resins, but without compromising the after cure (thermo)mechanical properties, two synthetic approaches have been explored: 1-control of the polymer molecular weight by using phenylethynyl reactive end groups and 2- by introducing non linear co monomers.

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