Introduction
The most common composite material consists of carbon or glass fibres that are bonded together with a polymer matrix and are often referred to as carbon or glass fibre reinforced plastics (CFRP or GFRP). The combination of being both light weight and mechanically strong makes them very versatile materials with applications such as in plane parts, cars, boats, wind turbines, water tanks, construction materials, light bridges etc.
CFRP and GFRPs are however known to be difficult to recycle. The problem can be described as follows: while thermoplastic polymers can easily be re-melted, thermosetting polymers are often used when CFRP, GFRPs are produced. This type of polymers are “cross-linked” and can therefore not be re-melted.
This proposal attempts to solve the recycling issues of CFRP, and GFRP. For this purpose both thermal and mechanical methods will be evaluated. The proposed methodology would be to mix the waste composites, CFRPs, GFRPs and degrade with pyrolysis is a method where an organic material is heated in high temperatures. In case of waste, the polymer material and GFRPs will degrade into gas and oil while inorganic carbon fibres can be recovered.
The objectives of the project are:
• Advanced Composites Structures Design
• FEA/CFD modelling manufacturing
• Develop and demonstrate a cost efficient and environmental efficient recycling method in order to eliminate the amount of polymers waste going to a landfill.
• Recovering Carbon Fibres / Glass fibres.
• Generate a well-known waste with predictable properties and volume fraction
• Develop commercial products from the treated waste.
Potential uses for high volume/high value waste materials
• New composites
• Construction
• Insulation laminates
• Material for road building
• Drainage construction
• Arts artefacts from composites degrade waste
• Pyrolysis, oil and chemical derivatives
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