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Smart Prepregs

Smart prepregs for in-situ damage healing and easier recycling of composite structures

April 2020
Gallery Smart Prepregs 1
Gallery Smart Prepregs 1


With its self-healing, pre-impregnated textiles, Smart prepregs is a bio-inspired solution for extending the lifetime of composite structures.

Although widely used in the aerospace, automotive, wind and sports industries, composite materials tend to become brittle due to their composition. Since there are few solutions to effectively repair these materials, damaged items often have to be replaced, resulting in wasted material. To address this problem, CompPair has created a structural composite that can repeatedly heal small damages, reducing repair time from several hours to a few minutes, while being compatible with most current manufacturing processes. In addition to its self-healing properties, Smart Prepregs are crack resistant and highly recyclable. By reducing maintenance costs, increasing product life and being recyclable, Smart Prepregs provide a highly versatile and durable solution for the composites industry.

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Label Date April 14, 2020
From Switzerland
Maturity stage Initial market commercialization
Looking For Visibility, Funding opportunities; Partnership opportunities; Credibility

Implementation Stories

Smart Prepregs by CompPair Technologies Ltd.
Implemented by Innosuisse in Lausanne (Switzerland) in 2023

CompPair has taken the next step in producing the upcoming healable composites technology. The company has developed a system compatible with Liquid Composites Moulding (LCM) processes. In conjunction with other Swiss organizations, they have produced a section of a wind blade turbine using this new system to demonstrate the potential of bringing healing capabilities to LCM processes.



The environmental benefits

  • Can help to reduce composite resources consumption by 50%
  • Can help to reduce landfills' volume by 50%
  • Reduces by 30% carbon footprint due to composite wastes

The Financial benefits

  • For wind turbine applications, it can save up to 160,000 $ over its lifetime
  • For marine applications, it can save up to $6,300 over the life of a boat

Activity Region

  • /
  • Headquarters
  • Activity

Company Profile

CompPair Technologies Ltd.

CompPair brings healable and sustainable composites to improve circularity.

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Headquarters 1015 Lausanne, Switzerland

Networking Partner


As an expert for the innovation scene in energy and environmental technologies, CleantechAlps (Sion, Switzerland) is a hub for the cleantech ecosystem, connecting its stakeholders with relevant partners.

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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator CompPair Technologies Ltd. has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.