![The resin formulation features CTS’ novolac-based bio-hardener, Novocard XFN, which introduces a high level of renewable content to prepregs](/media/cqrfefao/a80cfc0c-a386-4c2f-a4de-d5f54e6d427c.jpg)
The resin formulation features CTS’ new novolac-based bio-hardener, Novocard™ XFN, which introduces a high level of renewable content to prepregs. It is also reported to increase impact strength by 163% when compared to composite prepregs made with a conventional amine-cured resin and carbon fibre.
In addition to higher impact strength, Novocard-cured prepregs are said to show improved material flow properties and processability in hot melt prepreg processes due to longer gel time when compared to traditional amine-cured epoxy systems.
CTS says the prepreg is especially compatible with carbon fibres.
CTS, a specialist in sustainable materials and technologies based in Dayton, Ohio, believes the bio-based prepreg could find applications in the aerospace, wind energy, transportation and sporting industries.
Novocard resin is produced with oil extracted from discarded cashew nutshells. (See feature Bio-resins derived from cashew nutshell oil.)