Adhesion Matters
Adhesion Matters pulls back the curtain on the remarkable world of adhesives—the invisible technologies quietly revolutionizing everything from smartphones and EVs to Hollywood effects and wind turbines. We guide listeners on a deep-entangled journey through innovation, sustainability, and the surprising human stories behind the products that hold our modern life together.
Adhesion Matters isn’t just about chemistry—it’s a storytelling lens on how sticky stuff shapes our world. Every episode reveals that adhesives do more than bind—they enable durability, safety, and innovation across industries. Tune in if you’re curious about the overlooked tech that really holds things together.
Adhesion Matters
BETAFORCE™: How DuPont Glue Powers the EV Revolution
What if I told you that something as seemingly simple as adhesive is reshaping the future of electric vehicles and sustainable manufacturing? In this episode of Adhesion Matters, we take a deep dive into how DuPont’s BETAFORCE™ adhesive line is quietly powering the next generation of ultra-light, high-performance, and eco-conscious vehicles.
What’s Inside:
- Not Just Sticky, Strategic
BETAFORCE™ isn’t your average glue—it’s a high-performance bonding solution that enables the automotive industry to rethink how vehicles are built. We unravel how this technology makes multi-material designs (think carbon fiber to aluminum) both possible and dependable. - From DuPont’s Innovation Roots to EV Mastery
Rooted in decades of material science leadership, BETAFORCE™ builds on DuPont’s legacy (and the former Dow-derived BETAMATE™ heritage) to deliver room-temperature curing, primerless application, and rapid cycle times—ideal for high-volume production. - Built for Efficiency and Sustainability
Adhesives that cure quickly and at ambient temperature are energy savers. Add in formulations with up to 30% renewable, bio-based materials, and you've got high performance with a lighter environmental footprint. - Strength, Safety, and Structure
Continuous bond lines created by BETAFORCE™ don’t just stick parts together—they absorb vibrations, reduce noise, prevent corrosion, and distribute impact energy more effectively than fasteners ever could. - Real-World Impact
Learn how vehicles like the BMW i3 (largely bonded with BETAFORCE™) and the Audi e-tron (using a thermally conductive variant) illustrate adhesive innovation in action. These bonds win awards—and they win on the road. - Vision for a Circular Automotive Future
DuPont is already looking ahead—not just to bonding, but to debonding. Imagine adhesives that can be intelligently released for repair or recycling. It’s emerging science today but tomorrow’s industry game-changer.
Why Listen?
If you're curious about how invisible materials underpin structural safety, manufacturing sustainability, and EV evolution—or how chemistry meets automotive ambition—this episode is your front-row seat to the unseen forces bonding the future of mobility.
It's amazing how much happens behind the scenes, right? The invisible stuff that shapes our world.
Elena Bondwell:Totally. Materials, forces. We rarely think about them.
Lucas Adheron:Take a car. So complex. And now electric vehicles. Everyone talks batteries. But what if like the future hinges on something much smaller?
Elena Bondwell:It often does. And in the auto industry right now. A really big, quiet change is happening, driven by advanced adhesives.
Lucas Adheron:Adhesives. Okay, that's what we're digging into today. We're going deep on how these, well, seemingly simple materials are actually revolutionizing car design, safety, performance, especially for EVs.
Elena Bondwell:Yeah, and we've sifted through a lot for you. Industry papers, research, company info, interviews. The goal is really to pull out the key stuff, the surprising bits.
Lucas Adheron:Exactly. To give you the core insights without drowning you in data. And here's nugget number one to kick us off. Making the leap from combustion engines to EVs. It depends like massively on what holds the vehicle together.
Elena Bondwell:It really does. It's not just swapping out the engine. The whole structure is being rethought and adhesives are fundamental to that rethinking.
Lucas Adheron:So let's unpack that. Carmakers are pushing hard for light weighting.
Elena Bondwell:Making cars lighter. It's key.
Lucas Adheron:Right. Better fuel efficiency for older cars. Way more range for EVs. Less CO2. All good things.
Elena Bondwell:But it's tricky. Because lightweighting means using a whole mix of materials together. Carbon fiber, composites, different steels, aluminum.
Lucas Adheron:All in the same car body. Ow. And that's where the old ways like welding or using nuts and bolts run into trouble, right?
Elena Bondwell:Big trouble. Welding different metals. You can get galvanic corrosion. It's like a tiny battery eating away at the metal. Yikes. Yeah. Or the heat from welding can just damage the materials and composites. You can't weld fibers. It just doesn't work. The strength comes from the fibers.
Lucas Adheron:Okay. So welding is problematic. What about fasteners, screws, rivets?
Elena Bondwell:They have their own issues. You're drilling holes, which inherently weakens the material right there, creating The galvanic corrosion again. Exactly. Adhesives can often act as an insulator between those materials.
Lucas Adheron:So the big question becomes... How do you join all this different stuff reliably without adding weight or causing problems down the road?
Elena Bondwell:And that's where adhesives really shine. Instead of joining at points like a rivet, they create a continuous bond line.
Lucas Adheron:Okay, covering more area.
Elena Bondwell:Right, which maximizes the surface for load transfer. That means better strength, better distribution of stress, and just, you know, much better durability overall.
Lucas Adheron:So it's not just sticking parts A and B together. It's enabling completely different ways to design and build a car.
Elena Bondwell:Precisely. Automakers can move away from just bending metal into shape. They can create these really sophisticated hybrid structures using multiple materials optimized for specific jobs.
Lucas Adheron:Plus, I imagine it looks cleaner. No rivets or weld marks.
Elena Bondwell:Definitely an aesthetic benefit. Yeah. And it cuts out steps in manufacturing. No need to punch all those holes.
Lucas Adheron:Okay, so adhesives are clearly a huge advantage. And you mentioned DuPont and their Betaforce line are big players here.
Elena Bondwell:Yeah, DuPont is a fascinating company. Started way back making gunpowder Now a giant in chemistry and materials. Think Lycra, no mix.
Lucas Adheron:Wow. Okay. Quite the history.
Elena Bondwell:And that history of innovation feeds into Betaforce. It actually builds on pioneering work from Dow Automotive, like their Betamate adhesives, which DuPont acquired and really refined.
Lucas Adheron:So what makes Betaforce special? What are its superpowers?
Elena Bondwell:Well, first off, its ability to join really diverse materials is pretty incredible. Carbon fiber to aluminum, composites to steel, SMC to aluminum. It handles these combinations exceptionally well.
Lucas Adheron:Which is exactly what's needed for those multi-material designs we talked about.
Elena Bondwell:Exactly. And then there's the manufacturing side. This is huge.
Lucas Adheron:How so?
Elena Bondwell:Beta force cures at room temperature.
Lucas Adheron:No ovens.
Elena Bondwell:No massive energy guzzling ovens needed for curing the adhesive. Think about the energy savings on a production line making thousands of cars. It's significant.
Lucas Adheron:That is a big deal. What else?
Elena Bondwell:Often it doesn't need a primer before applying it.
Lucas Adheron:Simplifying the process.
Elena Bondwell:Right. Fewer steps, fewer chemicals. Plus, the cycle times are incredibly fast. We're talking around a minute.
Lucas Adheron:A minute for a structural bond.
Elena Bondwell:Yep. A essential for keeping up with mass production speeds. And they can even adjust the open time, how long you have to position the parts for flexibility on the line.
Lucas Adheron:That's impressive efficiency. And sustainability, does it tick that box too?
Elena Bondwell:It does. Betaforce actually contains about 30% renewable and bio-based materials by weight. So high performance and a better environmental profile.
Lucas Adheron:Okay, let's shift to how this affects the car after it's built. Performance, safety.
Elena Bondwell:Well, enabling later materials is the first big win. Better efficiency, longer EV range, we covered that. But it also improves the feel of the car. Oh. Acoustics, noise, vibration, harshness, NVH, they call it. That continuous bond line dampens vibrations much better than port fasteners. So a quieter, smoother ride. I
Lucas Adheron:hadn't thought of that. And structurally, safety.
Elena Bondwell:It acts as that barrier against corrosion between dissimilar metals, which is key for long-term integrity.
Lucas Adheron:Right, the galvanic thing.
Elena Bondwell:And in a crash... This is crucial. Adhesives distribute impact forces over a much larger area compared to fasteners.
Lucas Adheron:Instead of concentrating the force at specific points.
Elena Bondwell:Exactly. It helps the whole structure absorb energy more effectively. Think of it like spreading the load. Plus, these adhesives maintain their strength even at high temperatures, and they have this great combination of stiffness, what they call modulus and stretchiness, or elongation, before breaking. That helps hold the vehicle together under extreme stress.
Lucas Adheron:That sounds like amazing. safety upgrade. Can you give some real world examples? Where is beta force actually being used?
Elena Bondwell:Oh, all over the place. Roofs, tailgates, doors, hoods, spoilers, even the core passenger cell structure.
Lucas Adheron:Any specific cars that stand out?
Elena Bondwell:The BMW i3 is a classic example. Its passenger compartment is made of carbon fiber and beta force was the key joining technology. The whole structure was pretty much bonded, not fastened.
Lucas Adheron:Wow. Almost entirely adhesive based.
Elena Bondwell:Yeah. And they optimized it for those super fast one minute cycle times. The Audi EVA8 is another one that uses it to attach lightweight parts like a carbon fiber rear wall, which helps make the car incredibly stiff and handle well.
Lucas Adheron:So it's not just niche, it's in mainstream and high performance vehicles.
Elena Bondwell:Definitely widespread.
Lucas Adheron:Okay, so structural bonding is one thing, but you mentioned EVs specifically. What about the battery pack itself? That seems like a whole different challenge.
Elena Bondwell:It absolutely is. The stakes with EV batteries are incredibly high. You've got to manage heat, prevent thermal runaway, which is, you know, fires.
Lucas Adheron:Big fear factor.
Elena Bondwell:Right. You need them to last 10, 15 years or more. And they need to be structurally sound, especially as designs keep changing to pack more energy in.
Lucas Adheron:So safety, longevity, structural integrity, tough combination. How do adhesives like beta force, and I think you mentioned beta tech, help here?
Elena Bondwell:Beta force is vital for bonding and sealing the battery housing itself. protecting it from water, dirt impacts, but also helping manage heat and contributing to crash safety for the pack.
Lucas Adheron:So it's structure and protection.
Elena Bondwell:Yes. And it enables these newer cell-to-pack or even cell-to-vehicle designs.
Lucas Adheron:What does that mean exactly?
Elena Bondwell:Basically, removing layers of packaging around the battery cells to fit more energy and less space. But that means the adhesive has to do more work holding things together structurally and helping manage the heat.
Lucas Adheron:OK. And the heat part, that's where Betatech comes in.
Elena Bondwell:Exactly. Betatech is a thermal interface material, or TIM. Its job is specifically to transfer heat efficiently away from the battery cells to the cooling system.
Lucas Adheron:Preventing hotspots.
Elena Bondwell:Right. Keeps the battery in its optimal temperature range, which is crucial for performance, longevity, and safety. And looking ahead with things like 800-volt systems becoming more common, you need even better thermal management and new kinds of electrical insulators. DuPont's working on that too.
Lucas Adheron:It sounds like really critical work. Has this tech gotten any recognition?
Elena Bondwell:Oh, yeah. Beta Force won a 2024 R&D 100 award, which is pretty prestigious in the tech world. Right. And specifically, one of their thermally conductive adhesives, Beta First 2800 TC won a Silver Edison Award back in 2021 for helping the Audi e-tron manage battery temperature during super fast charging. A perfect example of how adhesives enable better EV performance.
Lucas Adheron:So behind a lot of this at DuPont is Andreas Lutz. He sounds like a key figure. What does having someone with his deep, like chemical background driving the strategy mean?
Elena Bondwell:It means a lot. He's not just a manager. He's a PhD chemist, a DuPont technical laureate, won their Peterson Medal for major product contributions.
Lucas Adheron:So he really knows the science.
Elena Bondwell:Deeply. He holds numerous patents himself in adhesive tech. That hands-on inventive understanding is crucial for pushing boundaries. It means the strategy is grounded in what's chemically possible and where the next breakthroughs might lie.
Lucas Adheron:And what's his vision? How does he see adhesives fitting into the future?
Elena Bondwell:He really emphasizes that adhesives are core to DuPont's identity, part of their DNA, as he puts it. He said something like, we bring nearly 75 years experience and we are translating that expertise to serve the growing hybrid and electric vehicle market.
Lucas Adheron:So leveraging that history for the new challenges.
Elena Bondwell:Exactly. And he connects it directly to sustainability. He talks about how lightweighting enabled by adhesives cuts CO2 and fuel consumption. It's not just about making cars. It's about making them better for the planet.
Lucas Adheron:That's a message that definitely lands today.
Elena Bondwell:Absolutely. And his focus stays sharp on the critical roles in EVs, thermal management, crash safety, making battery production more efficient. He also stresses collaboration, working closely with automakers to figure out what they need next.
Lucas Adheron:And they have ambitious goals, right? Carbon neutrality.
Elena Bondwell:Yeah, they aim to be carbon neutral in their automotive work even sooner than the company's overall 2050 target. It's a proactive stance.
Lucas Adheron:The scale of their current impact is pretty staggering.
Elena Bondwell:It really is. Lutz often points out that Betamate, their other major adhesive line, is used in roughly one out of every three cars produced globally.
Lucas Adheron:Wow. One in three. That's incredible reach. So wrapping this up, it feels like we've uncovered something fundamental. These advanced adhesives, beta force, beta tech, they're not just, you know, fancy glue.
Elena Bondwell:Not at all. They're enabling technologies. They're underpinning this huge shift in the auto industry towards vehicles that are safer, lighter, run longer, and are hopefully more sustainable.
Lucas Adheron:It really makes you appreciate the hidden innovations all around us.
Elena Bondwell:And the innovation doesn't stop. You know, the conversation is already moving forward.
Lucas Adheron:Where's it headed next?
Elena Bondwell:Well, think about it. If bonding things together so effectively is revolutionary, what about taking them apart, especially for recycling?
Lucas Adheron:Ah, debonding, unsticking them cleanly.
Elena Bondwell:Exactly. Developing adhesives that can be triggered to release their bond when needed, that's becoming a really hot research area. The whole life cycle matters now.
Lucas Adheron:So the ability to bond... and then maybe debond, that could completely change how we think about manufacturing, recycling, the whole circular economy idea.
Elena Bondwell:It really could. It's that next frontier in making materials science truly sustainable end to end. Definitely something to keep an eye on.
