Development of high-performance glass fibre-polypropylene composite laminates: Effect of fibre sizing type and coupling agent concentration on mechanical properties

Peter Kiss, Wolfgang Stadlbauer, Christoph Burgstaller, Vasiliki Maria Archodoulaki

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

10 Zitate (Scopus)

Abstract

A selection of woven roving and woven filament yarn E-glass fabrics, equipped with different sizing and finish formulae, were tested for compatibility with maleic anhydride functionalised polypropylene (MAH-g-PP) matrices. Glass fibre-polypropylene laminates (GF-PP) were prepared at 50% fibre volume fraction via film stacking and flat panel compression moulding. The effectivity of the utilised coupling agent concentration on interfacial adhesion was characterised through indirect method in 3-point flexural tests. Besides aminosilane A-1100 and PP-compatible fabrics, FK144 Volan “A” chromium complex finished fabrics showed exceptional compatibility and performance in combination with MAH-g-PP modified PP matrices, which has not been reported in the literature before. Mean flexural properties of FK144 laminates peaked at 450 MPa for strength and 21 GPa for modulus at 0.10% MAH loading and a fibre volume fraction of 53%. Possible coupling mechanisms were discussed, which may explain the basic compatibility between the chromium complex and PP.

OriginalspracheEnglisch
Aufsatznummer106056
FachzeitschriftComposites Part A: Applied Science and Manufacturing
Jahrgang138
DOIs
PublikationsstatusVeröffentlicht - Nov 2020

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