A Process for Preparation of Nanoparticles of Higher Molecular Weight of Polyethylene Polypropylene and Polystyrene

Patent Status: 

Patent Filed

Indian Patent Applicaton No: 

3161/DEL/2005

Patent Category: 

Overview: 

Preparation of high molecular weight nanosized polystyrene, polypropylene and polyethylene. It focuses on multi component polymer system as a means of producing new material on the nanometer scale.

Key Features: 

  • The particle size for polyethylene , polypropylene and polystyrene is 40 to 250, 25 to 200 and 10 to 50 nanometer respectively.
  • The size of the polymers is in the nano range inspite of its high molecular weight
  • This technique is based on the control of thermodynamic parameters. Don't need any surfactant, emulsifier, etc used in microemulsion process and cryogenic apparatus in other process.
  • Yield of the process is very good (90 %)

Applications: 

  • Polymer blends or alloys,
  • Polymer powder spray coating,
  • Polymer supported heterogenous catalysis
  • Electo-optics and luminescent devices.

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