Back close

Course Detail

Course Name Polymer Materials – Structure Property Relations
Course Code 15CHE440
Program B. Tech. in Chemical Engineering
Year Taught 2019

Syllabus

Unit 1

Structure of polymers – thermoplastic – thermoset, rubber – Linear, branched, crosslinked, and network polymers – Homochain and hetero atomic chain polymers – Copolymers – Linear and cyclic arrangement – Prediction of polymer properties, group contribution techniques, topological techniques – Volumetric properties – molar volume, density, Van der Waals volume – Coefficient of linear thermal expansion and volumetric thermal expansion – Pressure volume temperature (PVT) relationship.

Mechanical properties – Stress-strain properties of polymers – Effect of polymer structure on modulus of elasticity, tensile strength, flexural strength, impact strength, yield strength, fracture toughness – Crazing in glassy polymers – Ductile brittle transition. Effect of additives on mechanical properties of polymers – Creep, stress relaxation, and fatigue.

Unit 2

Thermodynamic and transition properties – Transition temperature in polymers, glass transition (Tg), melt transition (Tm), relationship between Tg and Tm – other transitions like ß-transitions, upper and lower glass transition temperatures – Prediction of Tg and Tm of polymers by group contributions.Calorimetric properties – Heat capacity, specific heat, latent heat of crystallization and fusion, enthalpy and entropy – Calculation of heat capacities of polymers.

Electrical and optical properties – Effect of polymer structure on dielectric constant, power factor, dissipation factor, and loss factor – effect of frequency of voltage and temperature on dielectric properties – Prediction of molar polarization and effective dipole moment. Effect of additives on electrical properties of polymers.

Unit 3

Optical properties – Effect of polymer structure on optical properties – clarity, transparency, haze, transmittance, reflectance, and gloss – Prediction of refractive indices of polymers by group contributions.

Chemical Properties – Cohesive energy, cohesive energy density, solubility parameter, determination of solubility parameter of polymers – Prediction of solubility parameter – Effect of polymer structure on solubility in solvents and oils – Influence of structure in prediction of flame retardancy, water repellency – Chemical resistance of polymers – Polymer toxicity.

Text Books

  1. J. A. Brydson, “Plastics Materials” Butterworth- Heinemann – Oxford, 7th Ed., London, 1999
  2. Maurice Morton, “Rubber Technology”, 3rd Ed, Kluwer Academic Pub, Dordrecht, Netherlands, 1999
  3. Manas Chanda and Salil K. Roy, “Plastics Technology Handbook”, CRC Press, Atlanta, 2007

Resources

  • D. W. Van Krevelen and P. J. Hoftyzen, “Properties of Polymer”, 3rd Edition Elsevier Scientific Publishing Company Amsterdam – Oxford – Newyork. 1990.
  • Jozef.Bicerano, “Prediction of Polymer Properties”, Second Edition, Marcel Dekker Inc. New York, 1995.

DISCLAIMER: The appearance of external links on this web site does not constitute endorsement by the School of Biotechnology/Amrita Vishwa Vidyapeetham or the information, products or services contained therein. For other than authorized activities, the Amrita Vishwa Vidyapeetham does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this web site.

Admissions Apply Now