Investigation on the pultrusion of thermoplastic preimpregnated polypropylene-glass tapes
TUCCI Fausto, RUBINO Felice, ESPERTO Vitantonio, PASQUINO Germana, CARLONE Pierpaolo
download PDFAbstract. Pultrusion processes have been widely used and developed to produce composite profiles in fiber-reinforced thermoset. Recently industry and research community are investigating the adoption of thermoplastic polymers in the production of pultruded components exhibiting structural stability at higher temperatures and improved sustainability. Aiming to study the thermoplastic pultrusion process and how the process parameters settings affect the composite profiles produced, a laboratory-scale pultrusion line has been designed and produced. The pultrusion die is fed by polypropylene pre-impregnated tapes reinforced by unidirectional continuous glass fibers. It consists of a tapered converging cavity heated by electrical plates governed by PID controllers and a straight cooling die. This work aims to study the feasibility of the process, the consolidation of the tapes, and the interactions between the processed materials and the cavity walls by using embedded traveling thermocouples and load cells. The experimental test presented in this paper highlights that the preimpregnated tapes processed have been well-consolidated with the parameters adopted and the pultruded profile presents good quality at a visual inspection of the external surfaces and cross-section, indicating a good melting and hardening of the polypropylene matrix. The interactions between the processed materials and the die walls are evaluated by means of a cross-analysis of thermal and load data.
Keywords
Pultrusion, Thermoplastic, Polypropylene, Prepregs, Tapes
Published online 4/19/2023, 6 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: TUCCI Fausto, RUBINO Felice, ESPERTO Vitantonio, PASQUINO Germana, CARLONE Pierpaolo, Investigation on the pultrusion of thermoplastic preimpregnated polypropylene-glass tapes, Materials Research Proceedings, Vol. 28, pp 393-398, 2023
DOI: https://doi.org/10.21741/9781644902479-43
The article was published as article 43 of the book Material Forming
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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