GTU Syllabus BE-3rd Sem Rubber Engineering Basic Rubber Science

Gujarat Technological University

 Basic Rubber Science Syllabus

B.E Semester: 3

Rubber Engineering

 

Subject Code 132601
Subject Name BASIC RUBBER SCIENCE

 

Sr.No Course contents

1 Rubber Science:
Introduction of science of large molecule, Classification of polymers, Forms
of polymers, Tacticity, Functionality, types of polymers, Polymerization,
Degree of Polymerization, Types of polymerization, polymerization
Techniques, Thermosetting & Thermoplastics polymers, Properties & uses,
Crystallinity, Strengthening of polymers, Rubber Vulcanizates, Structure of
Rubber Vulcanizates, Structure/Property Relations in Rubbers, Conditions
for Rubber like Elasticity in Polymers, Molecular Motion in Rubbers,
Characteristic Properties of Rubbers, Various states in Rubber Goods
Manufacture, Classification of Rubbers, Chain Structure & Chemical
Reactivity of Rubbers, Molecular Masses & Sizes , General rules for
Polymer Solubility

2 Rubber Physics:
Density, Archimedes Principle, Laws of Flotation, Elastic Behavior of
Bodies,
Young’s Modulus, Shear Modulus, Bulk Modulus, The four Elastic
Constants, Elastic Strain Energy, Difference between Rubbery & Elastic
Deformations, The Theory of Rubber Elasticity, Elastic colloisions, Viscous
Flow of Liquids, Measurement of Viscosity, Surface Tension, Surface
Tension Measurement, Friction, Static, Sliding & Rolling Friction, Sliding
Friction of Rubber, Rolling of Rigid bodies down Rubber tracks.

3 Energy & The Electromagnetic Spectrum:
Electromagnetic Radiation & its Properties, Absorption & Scattering of
Light, Critical Angle & Total Internal Reflection, Refraction through a
Parallel-sided Block, Refraction through a Triangular Prism, The Refractive
Index of a liquid, Polarization, Refractive Index of Polymers, Magnification
(Optical & Electro Microscope) Pigments

4 Vibrations & Waves:
Velocity & Absorption of Elastic Waves, Resonant Frequency &
Transmissibility in Steady-state Forced Vibration, Transmissibility of
Oscillations, Effect of Compounding on Transmissibility, Mechanism of
Damping, Ultrasonic Applications in Rubber

5 Mass Transfer Fundamentals:
Definitions of Concentrations & Velocities, Fluxes & their relationships,
Fick’s First Law of Diffusion, Microscopic Material Balance, Similarity with
Heat Transfer, Simple Applications, Mass Transfer Coefficients, Definitions,
Analogy between Heat & Mass Transfer

6 Heat Transfer:
Principles involved in establishing Temperature Scale, Internations
Temperature Scale, Measurement Principles, Electrical Resistance
Thermosets, Thermoelectric Thermometers, Temperature Indicator
Patches, Infrared Thermometers, Expansion of Solids & Gases, Polutropic
Change, Gauge Pressure, Effects of Temperature change on Gas Pressure
at Constant Volume, Vapor Pressure, Heat Transfer by Conduction,
Determination of Thermal Diffusivity, Effect of Materials & Processing
Variables on Thermal Properties, Thermal Conductors in series & Parallel,
Concept of Film Heat Transfer Coefficient & Overall Coefficient of Heat
Transfer, Conducting through Cylinders, Steam ,Energy Sources: Calorific
Values, Convection Boundary Conditions, Heat Transfer by Radiation,
Prediction of State of Cure, Time-Temperature-Fractional Conversion
Charts, Combined Heat Transfer & Fluid Flow, Heat Flow through High
Viscosity Polymer & Rubber melts during Processing

7 Viscous Flow :
Introduction, Viscosity, Polymer Shapes in Solution, Effect of Concentration
& Molecular Weight, Effect of Temperature & Pressure, Normal Stress
Differences in Shear, Models for Non-newtonian Flow, Viscometry,
Rheometry, Turbulent Flow etc

8 Viscoelasticity of Rubber:
Time-Temperature Equivalence, Molecular Model of Viscoelasticits, Creep,
Stress Relaxations

9 Colloid Science :
Colloidal Dispersions, Stability of Colloidal Dispersions, Potential Energy
Curves, General Properties of Colloidal Dispersions, Brownian Motion,
Osmosis, Dialysis, Effect on Freezing & Boiling Point, Electrical Properties,
Electrophoresis of Polymer Latices, Scattering of Radiation, Sedimentation
& Creaming, Preparation of Colloidal Dispersions, Association Colloids,
Gels, Emulsions,

10 Rubber Elasticity:
Basic Concepts & Behaviour,Introduction, Elasticity of a single molecule,
Elasticity of a Three-Dimensional Network of Polymer Molecules,
Comparison with Experiment, Cintinum Theory of Rubber Elasticity,
Second-order Stresses, Elastic Behaviour under Small Deformations, Some
unsolved problems in Rubber Elasticity

Reference Books:
1. Science & Technology of Rubber, by James E. Mark, Burak Erman, Frederich
R. Eirich
2. Principles of Polymer Systems, by Ferdinad Rodrigeuz
3. Rubber Engineering, IRI

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