Biomimicry Could Automotive Adhesives More Sustainable : Ford Looks to Make its Cars Easier to Recycle with Gecko Inspired Adhesive

Dearborn, Michigan based car maker, Ford Motor Company, is working with Procter & Gamble to develop an adhesive inspired by geckos to improve the recyclability of its cars.

Ford said that its researchers have considered ways to make auto manufacturing more sustainable for years. A key challenge is glue used to adhere foams to plastics and metals can make disassembling parts for recycling nearly impossible.

Enter the gecko. The company explained that the lizard’s toe pads allow it to stick to most surfaces without liquids or surface tension. The reptile can then easily release itself, leaving no residue. Consider, too, that a typical mature gecko weighing 2.5 ounces (70 grams) is capable of supporting 293 pounds (133kg).

According to Debbie Mielewski, Ford senior technical leader for plastics and sustainability research, the gecko could inspire a host of adhesive innovations for global applications at Ford, said

“Solving this problem could provide cost savings and certainly an environmental savings,” she said. “It means we could increase the recycling of more foam and plastics, and further reduce our environmental footprint.”

Buoyed by the biomimetic method, Ford noted that it recently hosted a forum at its Dearborn campus with participation from Procter & Gamble and The Biomimicry Institute, a nonprofit committed to promoting the innovative approach of looking to nature for sustainable solutions to modern-day challenges. Nearly 200 researchers and designers took part in the day-long session to learn about biomimicry and how to apply it to their work.

“We are excited for the opportunity to participate, together with Ford – with whom we have a history of collaboration – in The Biomimicry Institute workshop,” explained Lee Ellen Drechsler, director for corporate connect and development, The Procter and Gamble Company. “We have an interest within Procter & Gamble for using biomimicry as a way to broaden our approach to solving tough research challenges.”

Ford noted that the biomimetic approach is not new. The Bullet Train in Shinkansen, Japan was inspired by the kingfisher. Velcro took its cues from a burr. And improved medical needles were developed based on the mosquito.

However, the company said that interest in the approach has increased in the last decade as awareness of climate change and environmental challenges is heightened, said Gretchen Hooker, project manager for design challenges at The Biomimicry Institute.

Founded in 2006, the group works to empower people to create sustainable products and services using biomimicry. In addition to mobilising educators and regional practitioners through the Biomimicry Global Network, the organization provides a platform to learn and practice biomimicry through multiple design challenges.

These include open innovation, academic-corporate partnerships and corporate-employee challenges where employees get hands-on training while developing new solutions to issues corporations face. AskNature.org, the organization’s online database of biological solutions, offers inspiration to those looking to find answers in biomimicry.

Beyond recycling, Ford said that its design teams have worked for nearly a decade to find nature-inspired technologies, with recent successes in yarn production for seating materials and headliners.

The motoring giant added that it already uses Unifi’s high-performance REPREVE fibre, made from 100% recycled materials including plastic bottles, in its vehicles. Ford employs REPREVE in five of its vehicles – the new F-150, Explorer, Edge, Focus Electric and Fusion.

Ford said that its designers are now looking to expand upon that commitment, turning to nature to further improve the sustainable materials in vehicle fabrics. It added that the gecko may also inspire fabric technologies that could transform the cabin of Ford vehicles, researchers said.

“As we look to further our commitment to reducing our environmental footprint, taking a holistic, biomimetic approach makes sense because nature has efficiencies in design and uses minimal resources,” concluded Carol Kordich, global sustainable fabric strategies and development, Ford. “Nature is the ultimate guide.”

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