Polyo‐Phenylenediamine/Graphene Oxide Multi‐Scale Reinforcement Structures for Enhanced Interfacial Properties of CF/PPESK Composites

Polymer Composites, Journal Year: 2025, Volume and Issue: unknown

Published: June 2, 2025

ABSTRACT The development of advanced carbon fiber‐reinforced high‐performance thermoplastic resin (CFRHTP) composites is heavily reliant on the quality interface bonding between CFs and matrix. This article presented a novel surface modification strategy for that utilized electrochemical polymerization chemical grafting. Polyo‐phenylenediamine (PoPD)/graphene oxide (GO) organic/inorganic hybrid multi‐scale structures were successfully constructed CFs, which significantly enhanced fiber's roughness, introduction nitrogen‐containing active groups improved fiber wettability absorption efficiency PPESK tensile strength single CF monofilaments increased from 3.34 to 3.63 GPa. Due formation an phase with modulus transition characteristics, interlaminar shear (ILSS), flexural strength, CF/PPESK composite reached 85.1, 1573, 2535 MPa, respectively, representing increases 35.7%, 55.4%, 40.6%, respectively. Furthermore, failure mode transitioned debonding plastic deformation GO slippage within In conclusion, this study provides promising can enhance performance CFRHTPs.

Language: Английский

Using Mixture Design Experiments Combined with a Multi-Objective Optimization Method to Prepare High-Strength, Low-Friction Ppesk Water-Lubricated Composites

Published: Jan. 1, 2024

Language: Английский