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Graphene oxide coated fibres to be used for the production of fibre reinforced plastics
Photo: Love Pallon

Graphene oxide coated fibres for improved chemical resistance of FRP

In order to extend lifetime of FRP and dual laminates exposed to hydrofluoric acid (HF) fibres are coated with graphene oxide (GO). Degradation of fibres due to HF is a challenge within pickling industry and a successful project could improve and ease the construction of e.g. pickling baths. 

Glass fibre reinforced plastics (FRP, sometimes called GFRP) and dual laminates (FRP with thermoplastic liner) are used extensively within the chemical and process industries. FRP is an excellent choice in a wide range of environments but is vulnerable to hydrofluoric (HF) acid, even at low concentrations (<10%), which is an environment commonly found in steel pickling processes and in the manufacturing of fertilizers. The glass fibres of FRP are especially sensitive when exposed to HF and are rapidly etched away. The same goes for dual laminaters were the HF diffuse into the fibre backing and attack the fibres, resulting in e.g. delaminations. In previous work it has be shown that carbon fibres are resistant to HF degradation. 

The aim of this project is to assess the possibility of improving the chemical resistance against HF of commonly used fibre veils, mats and fibre backing in dual laminates by modifying the surface with graphene oxide (GO).

Summary

Project name

GO-FRP in HF

Status

Active

Region

Region Stockholm

RISE role in project

Coordinator

Project start

Duration

14 months

Total budget

600 000 SEK

Partner

Grafren AB, Ineos Composites, Simona AG

Funders

SiO Grafen

Project members

Supports the UN sustainability goals

9. Industry, innovation and infrastructure
Love Pallon

Contact person

Love Pallon

Seniorforskare

Read more about Love

Contact Love
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