Polypropylene/low density polyethylene blends with short glass fibers. II: Effect of compounding method on mechanical properties

Polypropylene/low density polyethylene blend matrices have been reinforced with short glass fibers in order to study their tensile, flexural, and impact behavior. Two‐roll milling and twin‐screw extrusion compounding methods were used to incorporate the fiber within the polymer matrices, and standar...

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Bibliographic Details
Published in:Polymer composites 1991-02, Vol.12 (1), p.1-6
Main Authors: Ramos, M. Arroyo, Belmontes, F. Avalos
Format: Article
Language:English
Subjects:
Applied sciences
Blends
composite materials
Exact sciences and technology
Forms of application and semi-finished materials
glass fibers
mechanical properties
Polymer industry, paints, wood
Technology of polymers
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Summary:Polypropylene/low density polyethylene blend matrices have been reinforced with short glass fibers in order to study their tensile, flexural, and impact behavior. Two‐roll milling and twin‐screw extrusion compounding methods were used to incorporate the fiber within the polymer matrices, and standard test samples were prepared by injection molding. The effects of matrix composition and fiber concentration on mechanical properties were investigated keeping in mind the matrix and fiber morphology, the latter being intimately dependent upon the compounding method employed.
ISSN:0272-8397
1548-0569
DOI:10.1002/pc.750120102