BP To Launch Next Generation Self-Reinforced Composites
BP is to launch a new generation of formable, self-reinforced thermoplastic sheet composites under the trademark “Curv”.
Curv self-reinforced polypropylene can be thermoformed, stamped or compression moulded to make parts with exceptional mechanical properties including unprecedented impact resistance and cold weather performance. In combination with other materials, such as polypropylene foams and honeycombs, ultra-lightweight laminates can also be produced which demonstrate high levels of stiffness and the added advantage of total recyclability
Curv is produced by a unique technology, known as hot compaction and originally developed at the University of Leeds, whereby highly oriented, high modulus thermoplastic fibres are heat-treated to melt a small fraction of the skin from each individual fibre. On cooling, the melted material bonds the fibres into a thick homogeneous sheet which retains the high mechanical performance of the original fibres and can be thermoformed into parts over a wide temperature range.
First production of Curv self-reinforced polypropylene sheet is expected to be fully commissioned in 2001 at BP’s site at Gronau, Germany. BP is now making samples of the new material available for application testing.
Applications for Curv include automotive parts, personal protective equipment, sports goods, audio equipment, consumer goods and appliances as well as building materials.
Work recently completed with automotive manufacturers suggests Curv has great potential in a range of automotive applications with an emphasis on improved mechanical properties, reduced weight and enhanced recyclability. Manufacturers and suppliers are now evaluating Curv in a number of upcoming models.
Paul Dejonckheere, head of BP’s Plastics Fabrication Group said: “Curv represents a new generation of versatile, formable, lightweight composites with superior impact strength and recyclability. It will enable users to redefine composite design capabilities. The production of Curv at our facility in Gronau represents a significant capital investment, demonstrating our commitment to the site’s core competencies and our determination to remain at the forefront of new technologies.”
In January 2001, BP announced that it intends to seek offers for the Plastic Fabrications Group, including the Gronau site. Commenting on this, Dejonckheere said: “BP’s strategic decision to sell our fabrications portfolio in no way undermines the launch of Curv. We believe the potential of this first class technology will be rapidly fulfilled, with BP and also under new ownership.”
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