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Properties of orthotropic glass-polypropylene composites manufactured by weaving of prepreg tapes and other routes
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Lightweight Structures.
2000 (English)In: Plastics, Rubber and Composites Processing and Applications, ISSN 09598111 (ISSN), Vol. 29, no 10, 520-526 p.Article in journal (Refereed) Published
Abstract [en]

This paper reports a study of the melt impregnation and weaving of glass-polypropylene prepreg tapes into sheet for use as a precursor for pressed thermoplastic composite products and a comparison of the properties attainable with those achievable by other comparable routes. Melt impregnation has been used successfully to manufacture well impregnated tapes, with and without internal coupling agent. It appears that weaving could be an economically viable process for converting unidirectional tape into a conformable, press formable prepreg. The properties of glass-polypropylene laminates manufactured by pressing the tape woven product were compared with those of other glass-polypropylene composites, including crossply laminate made from Plytron and samples prepared by film stacking. Quasi-static mechanical properties were found to be comparable with those of Plytron and superior to those of the other materials. In the coupled samples, coupling was somewhat less effective than in Plytron. The impact behaviour of the pressed, tape woven products was impressive and superior to any of the other materials tested. © 2000 IoM Communications Ltd.

Place, publisher, year, edition, pages
2000. Vol. 29, no 10, 520-526 p.
Keyword [en]
Conformations, Glass, Impact resistance, Impregnation, Mechanical properties, Plastic laminates, Plastic tapes, Polypropylenes, Pressing (forming), Thermoplastics, Weaving, Coupling agent, Crossply laminate, Film stacking, Glass polypropylene composites, Glass polypropylene laminates, Impact behaviour, Melt impregnation, Prepreg tapes, Composite materials
National Category
Applied Mechanics
URN: urn:nbn:se:kth:diva-80044OAI: diva2:495992

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NR 20140805Available from: 2012-02-09 Created: 2012-02-09 Last updated: 2014-04-08Bibliographically approved

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