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A water-soluble polymer to strengthen bonding between Aluminum and adhesives in the automotive industry

January 2022
Gallery Addibond 1
Gallery Addibond 1


Addibond is a polymer used for adhesive bonding of aluminum to manufacture lightweight body-in-white/chassis of passenger cars, replacing steel. It allows the development of aluminum-intensive cars, 20% lighter than steel-intensive cars, a key lever to reduce CO2 emissions of road transportation. Addibond improves the strength and resistance of chemical bonds (creating covalent bonds) leading to improved durability & mechanical performance of the chassis (initial and during usage). It also contributes to electric vehicles expansion increasing vehicles range, decreasing battery size, weight requirement and reducing vibrations/noise during car lifetime.

Label Date January 26, 2022
By Solvay
Parent company Solvay
From Belgium
Maturity stage Medium and large scale commercialization
Looking For Network, New clients, Visibility, Credibility

The environmental benefits

  • 20% weight reduction of passenger cars thanks to replacement of steel by aluminum which leads to approximately 14% fuel savings
  • 26 millions metric tons of CO2 emissions can be avoided in 2030 allowed by shifting to aluminum chassis for passenger car and light duty vehicles (assuming 30% of cars are converted)
  • 90%+ of aluminum is recycled in the automobile industry and 80% less energy used to recycle aluminum compared primary aluminum production

The Financial benefits

  • From carbon credit point of view: 26 million metric tons of CO2 (at 100 €/Ton) would translate into 2.6 billion euros "savings"
  • For the consumer,180€ yearly savings at current oil price (will increase)
  • Aluminum recycling will generate significant savings for the automotive industry compared to primary aluminum production (energy and mineral ore extraction cost)

Activity Region

  • /



North america

United States,

  • Headquarters
  • Activity

Company Profile


Solvay is a global company driven by proud and committed chemists. Asking more from chemistry.

View company profile Solution website
Headquarters 1000 Brussels, Belgium

Parent company


Solvay is a global company driven by proud and committed chemists. Asking more from chemistry.

View company profile
Headquarters 1000 Brussels, Belgium
Contact the Solution Provider Add to Favorites

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 Solvay 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.