Research output: Chapter in Book/Report/Conference proceedingChapter


Fibre reinforced polymers find wide commercial application in the aerospace, leisure, automotive, construction and sporting industries. In recent years there has been much interest in developing natural fibre reinforced polymers for sustainable substitution of synthetic materials. However, natural fibres do not automatically have good interaction with polymers, which is required for optimal material performance. The UltraFibre project has aimed to apply plasma treatment processing for surface modification of flax and hemp fibres in order to obtain improved compatibility and adhesion to polymer matrices. At the same time, treatment should not weaken the fibres, what is often observed after chemical modifications of natural fibres.
Atmospheric pressure plasma (APP), also called Soft Plasma, allows for high throughput processing, unlike the vacuum plasma technology. Soft plasma treatment is supposed to affect only the very surface of a material, maximum about a few nm. Consequently, the bulk of the fibres will remain unaffected and fibre strength will be retained.
This chapter describes plasma treatment of flax and hemp fibres and its effect on composite mechanical properties.
Original languageEnglish
Title of host publicationUltraFibre - Overview of technology, results and commercial benefits
Publication statusPublished - 2013


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