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For a lot of my futurist career, blogging has been a major outlet. My posts are less frequent these days but occasionally I still use a blog post to organise my thoughts.
The archive of posts on this site has been somewhat condensed and edited, not always deliberately. This blog started all the way back in 2006 when working full time as a futurist was still a distant dream, and at one point numbered nearly 700 posts. There have been attempts to reduce replication, trim out some weaker posts, and tell more complete stories, but also some losses through multiple site moves - It has been hosted on Blogger, Wordpress, Medium, and now SquareSpace. The result is that dates and metadata on all the posts may not be accurate and many may be missing their original images.
You can search all of my posts through the search box, or click through some of the relevant categories. Purists can search my more complete archive here.
When recycled material is better than new
Adding single layer materials like graphene to recycled plastics can create a range of new materials with properties perfectly suited to their application
Can we really make recycled material that is better than its virgin equivalent?When you describe someone – perhaps a government minister right now – as a ‘chocolate teapot’, everyone knows what you mean. We know that chocolate melts at roughly the temperature of the human body. It would be a ridiculous material from which to make a teapot carrying boiling liquids. Fortunately, we have many other choices of material and we can select one that is appropriate to the task at hand.The material we choose for a particular task depends on its physical properties, as well as its cost, both financial and environmental. We can never select for just one property: it’s always about a compromise between a variety of characteristics, and our budget.
Recycled material for specific tasks
Imagine if we could design a material for each task. One that had the minimum amount of compromise because it was engineered for the task at hand. More, imagine we could reform recycled materials with new properties that make them greater than their virgin equivalents.I’ve shared my excitement about the new wave of materials science a few times on this blog. What thrills me is that new single layer and composite materials will change the way our world looks, just as the digital revolution changed the way it works. In fact, based on a conversation I had at the national Graphene institute recently, it might just do both.We all know plastics are bad, right? Bags, straws, packaging, all have to go because they consume fossil fuels in their production and take decades or more to biodegrade, choking the seas as they do. Some plastics are recyclable but the resulting product is typically inferior. This doesn’t have to be the case.
Pipeline plastics
Speaking to Dr Oana Istrate, a Graphene Applications Specialist at the new Graphene Engineering Innovation Centre, I learned that they are working on adding single layer materials to recycled plastics to create a variety of properties suited to different applications. For example, stopping the leakage of Hydrogen Sulphide gas from oil pipelines.H2S is a colourless gas with a distinctive smell of rotten eggs. It is highly poisonous, flammable, and corrosive, presenting a real challenge for the oil and gas industry. H2S corrodes pipelines shortens their lifespan and increases the risk from leaks, creating a serious safety issue, as well as one of maintenance costs.Combining graphene with plastic can create a material that is impenetrable to H2S. Line a pipeline with this and you can extend its lifespan and improve safety.Other applications abound: imagine a contact lens that better retains moisture, or a wetsuit that better retains heat. This is before we get into improved mechanical properties. Researchers have already used Graphene to increase the wear properties of trainer soles, and make racing bikes and cars stiffer, improving the transfer of power to the track.If we combine single layer materials with recycled plastics, we see the promise of a new range of materials. Materials with which we can construct tomorrow’s world. Materials that are greener but also more particularly suited to the applications at hand.