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Compounding of polymers comprises the influences of the polymers, additives, and
fillers on the morphology developed based on the rheology of the melts, together
with mechanisms involved during the melt mixing process. Development of morphology
in the polymer system is very crucial to establish the desire physical properties.
A team at IIT Delhi is developing novel polymer compounds with specific properties
relevant to their intended subsequent applications. Most compounding is done on
twin-screw extruders with co-rotating screw profile with various diameters and L/D
as well as mixing elements. Polymer nanocomposites are the one of the potential
area of research for the development of polymer compounds with multifunctional properties.
Dispersion and distribution of another polymer, micro and nano fillers are considered
to be key step and can be achieved by various compounding techniques.
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Polymer blends
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Polymer Composites
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Polymer Nanocomposites
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Thermoplastics + Elastomers
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Thermoplastics + Fillers
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Thermoplastics + Nanoclay
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Thermoplastics + Engineering plastics
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Thermoplastics + Short Fibers
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Thermoplastics + Nanotubes
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Thermoplastics + Biopolymers
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(Glass fiber, Natural fibers)
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Polymer blends + Nano fillers
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Thermoplastics + Special polymers
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Thermoplastics + Long Fibers
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The aforesaid materials were developed with high strength, toughness along with
other value added properties either to replace the metal based components or for
better processability or to cater special application demand.
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Pilot scale Co-rotating twin screw and micro-compounder with conical twin screw
at IITD.
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Research Activities on Polymer Processing and Rheology
Anup K. Ghosh
Centre for Polymer Science and Engineering,
Indian Institute of Technology Delhi, New Delhi, 110016, India.
e-mail: anupkghosh@gmail.com
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22-Sep-17 
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