Economía Circular

 

Economía Circular

Self‐Seeded Nucleation of PET in a Benign Solvent Yields a High Modulus Aerogel With Ultra‐Low Thermal Conductivity
10/06/2026 - A new benign solvent (1,3‐diphenylacetone) enables a simple, safe, and sustainable dissolution and gelation method to convert waste PET into low density, monolithic aerogels with high mechanical...
Co1/Ru Single‐Atom Alloy Catalyst for Sustainable Polypropylene Hydrogenolysis to Long‐Chain Liquid Products
10/06/2026 - A titania‐supported Co1/Ru single‐atom alloy catalyst enables efficient polypropylene hydrogenolysis. Ru─Co─Ru motifs maintain Ru activity while suppressing excessive chain scission to...
A Fully Bio‐Based Elastomer with Ultrahigh Lignin Content and Performance Rivaling Nitrile Rubber
07/06/2026 - Kraft lignin is directly converted into a high‐performance, fully bio‐based elastomer through a catalyst‐free process. Lignin content reaches as high as 50–75 wt.%, yielding a covalently...
Harnessing Water Molecules for Strong Underwater Adhesion
29/05/2026 - A novel underwater adhesive that transforms water molecules from barrier to reinforcement is reported. The adhesive resolves the contradiction between work of adhesion and cohesive strength during...
Ultrasonic Vibration‐Driven Cold Upcycling of Waste Plastics: Enabling High‐Efficiency Seawater Distillation
29/05/2026 - Plastic waste is seldom converted into high‐value carbon without furnaces, prolonged heating, or harsh processing. Here, ultrasonic vibration rapidly transforms post‐consumer PET into...
Coordination‐Induced Reconstruction Optimizes Spatial Arrangements of Heterogeneous Yet Cooperative Sites to Boost Oxygen Reduction Kinetics
27/05/2026 - Coordination‐induced reconstruction enables in situ conversion of Fe nanoparticles into FeN4Cl single atoms and Fe atomic clusters under a chloride atmosphere, thereby generating spatial...
Recycling and Upcycling of Polyurethane Thermosets: The Second Life of Polymers (Adv. Mater. 29/2026)
22/05/2026 - Recycling and Upcycling of Polyurethane ThermosetsPolyurethane thermoset undergoes continuous molecular circulation, where crosslinked networks undergo selective bond cleavage, depolymerization, and...
Dynamic Circular Sulfur‐Rich Polymer Glasses From Elemental Sulfur
18/05/2026 - Homogeneous sulfur melts enable inverse vulcanization to produce inverse vulcanized glass (IVG), a sulfur‐rich plastic optical material with high refractive index, broadband Vis–IR transparency,...
A Circular Manufacturing Platform for High‐Performance Cellulosic Fibers via Hydrogen‐Bond Unzipping and Rezipping
15/05/2026 - A closed‐loop platform converts cellulose into high‐performance fibers using a fully recyclable deep eutectic solvent and ethanol coagulant. This sustainable process delivers superior mechanical...
Upcycling Waste PET Into Ionic Liquid‐Derived Small‐Molecule Adhesives
15/05/2026 - We present a catalyst‐ and solvent‐free aminolysis strategy that efficiently depolymerizes waste PET under mild conditions into a versatile molecular precursor, followed by being engineered into...
Catalytic Microwave Pyrolysis of Plastic Waste for Hydrogen and Nanocarbons
14/05/2026 - Microwave‐assisted pyrolysis offers a promising route for converting plastic waste into hydrogen‐rich gases and carbon nanomaterials. This review examines catalyst‐supported reforming,...
A Panoramic View on Plastic Waste Recycling and Upcycling: Heterogeneous Catalytic Strategies for Diverse Plastics and Multiple Pathways
12/05/2026 - Plastic waste poses severe environmental challenges. This review highlights heterogeneous catalysis as a key solution for upcycling plastics into value‐added products. It systematically explores...