# The Effect of Bio-Based Polyamide 10.10 and Treated Fly Ash on Glass-Fiber-Reinforced Polyamide 6 Properties

## TL;DR

This study explores using bio-based polyamide and treated fly ash to enhance the properties of glass-fiber-reinforced polyamide composites for automotive use.

## Contribution

The paper introduces a novel hybrid composite using bio-based polyamide 10.10 and treated fly ash to replace part of the glass fiber in polyamide 6.

## Key findings

- The composite showed 18% higher impact strength compared to PA6-30G.
- Tensile strain at break increased by 35% with the addition of PA10.
- Strong interfacial interactions were confirmed through structural and morphological analyses.

## Abstract

Increased concern for human health and the environment has pushed various industries to adopt new approaches towards satisfying modern regulations. Strategies to achieve these approaches include utilizing lightweight materials, repurposing waste materials, and substituting synthetic polymers with bio-based counterparts. This study investigates the effects of treated fly ash (C) and bio-based polyamide 10.10 (PA10) on the thermal, morphological, and mechanical properties of glass fiber (GF)-reinforced polyamide 6 (PA6). Our main objective was to develop a composite that would allow for the partial replacement of glass fiber in reinforced polyamide 6 composites (PA6-30G) while maintaining a favorable balance of mechanical properties. Composites processed via melt processing demonstrated enhanced mechanical properties compared to PA6-30G. Notably, significant improvements were observed in impact strength and tensile strain at break. The addition of PA10 resulted in increases of 18% in impact strength and 35% in tensile strain relative to PA6-30G. Complementary, structural and morphological analyses confirmed strong interfacial interactions within the composite matrix. These findings indicate that a PA6/PA10 hybrid composite may represent a viable alternative material for potential automotive applications.