Education

Course outline

Elastomeric Technology

Course ID: 0910 115650

By Prof. J.W.M. Noordermeer

Chapter 1: Introduction

  • References concerning rubber technology
  • Definition of a rubber
  • History of rubber
  • World sales of NR and synthetic rubber in comparison with thermoplastics
  • Most important applications for rubbers
  • Rubber technology

Chapter 2: Rubber Elasticity

  • Macromolecular chain models
    • The simple molecule model
    • The molecular model with fixed valence angles, but free rotation
    • The equivalent statistical chain model
  • Thermodynamical origin of rubber elasticity
    • Thermodynamics of rubber
    • Merging the equivalent statistical model into thermodynamics

Chapter 3: Network Models

  • The ideal rubber network
  • Corrections on the ideal rubber network
    • Entanglements
    • Loose/dangling chain ends

Chapter 4: Stress Strain Relations for Different Types of Deformation

  • Uniaxial strain and uniaxial compression
  • Biaxial strain
  • Simple shear
  • All-sided compression
  • The Poisson constant
  • Relation to some practical examples

Chapter 5: Models based on Continuum Mechanics

  • Mooney-Rivlin theory
  • Alternative models based on the formalism of strain invariants
  • Van der Waals network model

Chapter 6: Rubber Types

  • Natural rubber (NR)
  • Synthetic polyisoprene (IR)
  • Butadiene rubber (BR)
  • Styrene-butadiene rubber (SBR)
  • Ethylene-propylene (-diene) rubber (EPM and EPDM)
  • Butyl rubber (IIR)
  • Nitrile rubber (NBR)
  • Polychloroprene (CR)
  • Specialties

Chapter 7: Principles of Compounding

  • Reinforcing and non-reinforcing fillers
  • Carbon black
  • Silica
  • Mineral fillers
  • Plasticizer and extender oils

Chapter 8: Vulcanization

  • Introduction
  • Sulfur vulcanization
  • Peroxide vulcanization
  • Other vulcanization systems
  • Vulcanizate properties as a function of the degree of crosslinking