Technology for rapid impregnation of fibre bundles with a molten thermoplastic polymer
Composites consisting of long, discontinuous fibres and a thermoplastic polymer find increasing application because of the good overall compromise between their mechanical properties, processing possibilities and cost. Pellets containing a thermoplastic polymer and long fibres allow injection or com...
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| Veröffentlicht in: | Composites science and technology 2000-08, Vol.60 (10), p.2029-2034 |
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| container_end_page | 2034 |
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| container_issue | 10 |
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| container_title | Composites science and technology |
| container_volume | 60 |
| creator | Marissen, R Th. van der Drift, L Sterk, J |
| description | Composites consisting of long, discontinuous fibres and a thermoplastic polymer find increasing application because of the good overall compromise between their mechanical properties, processing possibilities and cost. Pellets containing a thermoplastic polymer and long fibres allow injection or compression moulding of high-quality products. The pellets are usually produced by a pultrusion process. However, pultrusion with thermoplastics suffers from a compromise between optimised impregnation quality and high production speed. A high production speed means low cost. In other words, a compromise between price and quality exists. This paper presents a significantly modified process which uses powered rotating spreader pins with a convex conical shape. Thus, the physical basis of the compromise between price and quality is altered, and a good quality can be obtained at a fibre-bundle linear speed of about 1 m/s. |
| doi_str_mv | 10.1016/S0266-3538(00)00122-6 |
| format | Article |
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Pellets containing a thermoplastic polymer and long fibres allow injection or compression moulding of high-quality products. The pellets are usually produced by a pultrusion process. However, pultrusion with thermoplastics suffers from a compromise between optimised impregnation quality and high production speed. A high production speed means low cost. In other words, a compromise between price and quality exists. This paper presents a significantly modified process which uses powered rotating spreader pins with a convex conical shape. Thus, the physical basis of the compromise between price and quality is altered, and a good quality can be obtained at a fibre-bundle linear speed of about 1 m/s.</description><identifier>ISSN: 0266-3538</identifier><identifier>EISSN: 1879-1050</identifier><identifier>DOI: 10.1016/S0266-3538(00)00122-6</identifier><identifier>CODEN: CSTCEH</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>A. 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Pellets containing a thermoplastic polymer and long fibres allow injection or compression moulding of high-quality products. The pellets are usually produced by a pultrusion process. However, pultrusion with thermoplastics suffers from a compromise between optimised impregnation quality and high production speed. A high production speed means low cost. In other words, a compromise between price and quality exists. This paper presents a significantly modified process which uses powered rotating spreader pins with a convex conical shape. Thus, the physical basis of the compromise between price and quality is altered, and a good quality can be obtained at a fibre-bundle linear speed of about 1 m/s.</description><subject>A. Polymer-matrix composites</subject><subject>Applied sciences</subject><subject>B. Microstructure</subject><subject>Composites</subject><subject>E. Extrusion</subject><subject>E. Pultrusion</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>O. 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| ispartof | Composites science and technology, 2000-08, Vol.60 (10), p.2029-2034 |
| issn | 0266-3538 1879-1050 |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | A. Polymer-matrix composites Applied sciences B. Microstructure Composites E. Extrusion E. Pultrusion Exact sciences and technology Forms of application and semi-finished materials O. Optical microscopy Polymer industry, paints, wood Technology of polymers |
| title | Technology for rapid impregnation of fibre bundles with a molten thermoplastic polymer |
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