Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy

The technologies & strategies applied by the SusPlast CSIC groups

Mechanical recycling

  • Blends by different processing methodologies

  • Blending, extrusion, melt spinning, force-spinning and electrospinning, 3D Bioprinting, spray-drying, foaming technologies to obtain improved properties of materials
  • Structural and morphological properties of polymers using conventional techniques and synchrotron facilities
  • Encapsulation methodology to incorporate the valuable properties


(Thermo-) Chemical recycling

  • Chemical functionalization of polymers (e.g., oxidation control)
  • Determination of the physico-chemical properties of the polymers by spectroscopic, chromatographic, microscopic and thermal techniques
  • Analysis of the surface properties
  • Migration of compounds in food simulants   
  • Capacity to determine the release of components (antimicrobial, antioxidant) from plastics by spectroscopy methods
  • NIR optical methodology for microplastic monitoring
  • Experimental set-up and procedure for a fast monitoring of microplastic suspensions and aggregates
  • Surface modification using plasma (plasma reactors and photoelectron spectroscopy)
  • Supercritical CO2 technology to perform polymers or reinforce plastics
  • Microwave Induced Pyrolysis (MIP) of organic residues
  • Syngas from microwave-assisted dry reforming of methane and methane rich gases or by  atmospheric pressure plasmas
  • Synthesis of xerogel-based porous substrates for enzyme purification and enzyme immobilization
  • Syngas characterization by gas chromatography
  • Chemical characterization of carbons and organic wastes

Biotechnological recycling

  • Enzymatic reactions of synthesis, degradation and functionalization of polymers. Enzymatic cascade reactions. Enzyme production and purification. Enzyme immobilization
  • Biopolymers functionalization by microbial metabolic engineering
  • Bacterial bioprospecting
  • Omics, Systems and Synthetic Biology approaches towards novel biopolymers for biotechnological applications
  • Enzyme engineering techniques to develop new biocatalysts for bioplastics synthesis, functionalization and degradation
  • Determination of plastics degradation in different media including biological systems (human body), soils and ocean
  • Cell cultures to determine biocompatibility and bioactivity of polymeric systems
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