Production of thermoplastic nanocomposites

Nanoparticles are able to provide new functionalities to polymers, such as electrical or thermal conductivity. Nanoparticles have a large aspect ratio. This property makes nanoparticles very effective at low filler loadings. Avoiding agglomerates or clusters formation during compounding is critical in order to maintain the nanoparticle effectiveness. An agglomerate acts as a microparticle and high additivation of microparticles is needed to achieve good electrical or thermal properties. Agglomerates also decrease mechanical properties as they act as stress concentrator. Therefore, processing conditions of nanocomposites must be optimized to improve dispersion which will imply an improvement of the nanocomposite properties and a cost reduction in the nanocomposite fabrication.

Our solutions

In order to avoid problems related to poor nanoparticle dispersion we offer the following technical solutions:

  • Studies on the nanocomposite viability taking into account technical and economic aspects.
  • Proper selection of nanomaterials.
  • Design of experiments related to compounding process.
  • Dispersion quality analysis.
  • Postprocessing.

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Technical Support

AIMPLAS is working in nanomaterials melt compounding since 2004. Carbon nanotubes, carbon nanofibers, nanometals, nano metal oxides, nanoclays and recently nanographites and graphenes have been the most employed materials, mixed with all kind of polymers, since commodities, technical ones and high performance polymers as well.

This experience gave us the background to give solutions in all these points:

  • Nanomaterial selection.
  • Handling and feeding.
  • Dispersion optimization.
  • Safety measures.
  • Scale-up to industrial processing machines.

To obtain and develop:

  • Short batches of new thermoplastic nanocomposites.
  • Masterbatches of nanocomposites.
  • Working protocols with these new materials.

Other services

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Luis Roca