Abstract
In the present study, novel woven reinforced single polymer composites (WSPC) based on polyamide 6 (PA6) is developed via a combination of powder-coating of PA6 textile reinforcements with PA6 empty microcapsules (EMC) and compression molding techniques. Activated anionic ring-opening polymerization of ε-caprolactam was employed to synthesize the PA6-EMC which was transformed during the compression molding into WSPC matrix without damaging the PA6 textile reinforcements. A promising novel class of PA6 woven fabrics, stitched plain, which are patented by Jakob Müller company AG® were used as reinforcements. The tensile properties of stitched plain reinforced WSPC were studied and compared to ones reinforced by the plain-woven structure and the PA6 neat matrix reference materials. The parametric studies are performed on the stress field along the elements of reinforcements, using image processing to correlate the influence of reinforcement architectures with the failure mechanism of WSPC.
Highlights
Single polymer composites (SPC) are novel promising composite materials in which reinforcements are made of the same polymer as the matrix [1]
The present study aims at the development and stress field analysis of polyamide 6 (PA6)-based single polymer composites reinforced by stitched plain-woven structures that the latter being very recently developed by Jakob Müller AG® Company
The results demonstrated an improvement of 63 % of tensile stiffness in case of stitched plain reinforced woven reinforced single polymer composites (WSPC) when compared to the PA6 neat matrix reference
Summary
Single polymer composites (SPC) are novel promising composite materials in which reinforcements are made of the same polymer as the matrix [1]. The processing temperature was reported by 33 °C and the tensile strength of the SPC showed 280 % improvement as compared to the neat PA6 matrix component (69 MPa) They continued their study on preparation of aliphatic PA6 based SPC reinforced by PA6 based plain woven structure via in situ anionic ring opening polymerization (AAROP) of ε -caprolactam [10]. The present study aims at the development and stress field analysis of PA6-based single polymer composites reinforced by stitched plain-woven structures that the latter being very recently developed by Jakob Müller AG® Company To produce these WSPC, the reinforcing textile structures were annealed under stretch and powder-coated with EMC that were previously synthesized via AAROP of ECL in solution. All these techniques are applied to justify the effect of reinforcement’s architecture on the tensile properties of the newly developed WSPC
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