Metal complexes as photoinitiating systems for radical and cationic photopolymerisation under visible light

CONECTUS ALSACE



18 Avril 2016

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Fields

Chemistry

Sectors

Chemicals, Materials & Plant-based Materials
  • Group of compounds initiating system activated smoothly
  • Allows simultaneous radical and cationic polymerisation
  • Affords interpenetrated networks under mild conditions

 

TECHNOLOGY

  • Organometallic complexes generating radicals and cations
  • Complexes activated by diode or halogen lamps (12-100mW/cm²)
  • > 40 % conversion after 1 minute

 

APPLICATIONS

  • Suitable for the production of interpenetrated polymer networks
  • Polymerisation of epoxy and vinyl monomers
  • Low intensity visible light induced photopolymerisation
  • Suitable for scale-up production

 

INNOVATION ADVANTAGES

  • Requires less amount of activation energy
  • Polymerisation performed under air
  • Reduced toxicity of the catalytic specie

 

DEVELOPMENT STATUS

  • Characterisation of the synthesysed polymers
  • Determination of the scope of the system
  • Looking for industrial parterships

 

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