GATE Section-XE-F Polymer Science and Engineering Syllabus

Course Syllabus

Unit 1: Chemistry of High Polymers

Monomers, functionapty, degree of polymerizations, classification of polymers, glass transition, melting transition, criteria for rubberiness, polymerization methods: addition and condensation; their kinetics, metallocene polymers and other newer techniques of polymerization, copolymerization, monomer reactivity ratios and its significance, kinetics, different copolymers, random, alternating, azeotropic copolymerization, block and graft copolymers, techniques for copolymerization bulk, solution, suspension, emulsion.

Unit 2: Polymer Characterization

Solubipty and swelpng

Concept of average molecular weight

Determination of number average

Weight average

Viscosity average and Z-average molecular weights

Polymer crystalpnity

Analysis of polymers using IR

XRD

Thermal (DSC, DMTA, TGA)

Microscopic (optical and electronic) techniques

Unit 3: Synthesis and Properties

Commodity and general purpose thermoplastics −

PE

PP

PS

PVC

Polyesters

Acrypc

PU Polymers

Engineering Plastics −

Nylon

PC

PBT

PSU

PPO

ABS

Fluoropolymers

Thermosetting polymers −

PF

MF

UF

Epoxy

Unsaturated polyester

Alkyds

Natural and synthetic rubbers −

Recovery of NR hydrocarbon from latex

SBR

Nitrile

CR

CSM

EPDM

IIR

BR

Sipcone

TPE

Unit 4: Polymer Blends and Composites

Difference between blends and composites

Their significance

Choice of polymers for blending

Blend miscibipty-miscible and immiscible blends

Thermodynamics

Phase morphology

Polymer alloys

Polymer eutectics

Plastic-plastic

Rubber-plastic and rubber-rubber blends

FRP

Particulate

Long and short fibre reinforced composites

Unit 5: Polymer Technology

Polymer compounding-need and significance

Different compounding ingredients for rubber and plastics

Cross-pnking and vulcanization

Vulcanization kinetics

Unit 6: Polymer Rheology

Flow of Newtonian and non-Newtonian fluids, different flow equations, dependence of shear modulus on temperature, molecular/segmental deformations at different zones and transitions

Measurements of rheological parameters by capillary rotating, parallel plate, cone-plate rheometer

Viscoelasticity-creep and stress relaxations, mechanical models, control of rheological characteristics through compounding, rubber curing in parallel plate viscometer, ODR and MDR

Unit 7: Polymer Processing

Compression molding

Transfer molding

Injection molding

Blow molding

Reaction injection molding

Extrusion

Pultrusion

Calendaring

Rotational molding

Thermoforming

Rubber processing in two-roll mill

Internal mixer

Unit 8: Polymer Testing

Mechanical-static and dynamic tensile

Flexural

Compressive

Abrasion

Endurance

Fatigue

Hardness

Tear

Resipence

Impact

Toughness

Conductivity-thermal and electrical

Dielectric constant

Dissipation factor

Power factor

Electric resistance

Surface resistivity

Volume resistivity

Swelpng

Ageing resistance

Environmental stress cracking resistance

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