Polymer Processing and Modelling

Polymer processing is the technique of converting raw polymeric materials into completed products having desirable shape, microstructures and properties. The raw form of polymers is available initially as pellets which are heated to its glass transition temperature to form into a viscous fluid. The fluid is then subjected to moulding and rapid solidification by cooling which results in the development of the required shape and microstructures. This method has been a standard since for thermoplastic processing since the 1960s. Thermosetting plastics utilize a similar processing method but with additives and cross-linking agents. The crosslinking formed after cooling are and irreversible and re-heating will not be effective in liquefying the polymers.

Polymers modeling process has become prominent since the last decade, especially for processing soft materials. New sampling methods are developed to increase the exploration of configuration space, which has been still continues to be of paramount importance in the determining the properties of polymeric materials. The time duration and scaling issues are being addressed with new coarse-grained methods, while more traditional methods are being applied in increasing chemical complexity and reality.

Biodegradable polymers have great interest in the field of drug delivery and Nano medicine. The great benefit of a biodegradable drug delivery system is the ability of the drug carrier to target the release of its payload to a specific site in the body and then degrade into nontoxic materials that are then eliminated from the body via natural metabolic pathways. The polymer slowly degrades into smaller fragments, releasing a natural product, and there is controlled ability to release a drug. The drug slowly releases as polymer degrades. For example, polylactic acid, poly acid, and poly all of which are biodegradable, have been used to carry anti-cancer drugs. Encapsulating the therapeutic in a polymer and adding targeting agents decreases the toxicity of the drug to healthy cells

  • Biofilms
  • Biopolymers for Drug delivery
  • Nano medicines
  • Polymer modification matrix in pharmaceutical hot melt extrusion
  • Multiscale modelling of biodegradable polyesters
  • Polymer extraction and modelling
  • Modelling of heat transfer through a nanocellular polymer foam
  • Modelling of silk-reinforced PDMS

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