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Sunday, 22 August 2021
Making nylon 6-6 'greener,' and without zinc
Outdoor stadium seats, ski bindings, tire reinforcements and other products that require strength, durability and weather resistance are all made with a type of nylon called nylon 6-6. However, producing this material requires an environmentally unfriendly process, the first step of which uses the endangered element zinc as a catalyst. Now, researchers have developed "greener" methods for this step that use alternative metals. They might even be able to substitute waste iron in the form of rust, or ferric oxide, for the endangered element.