Tyre Compounding for Improved Performance - Product Image

Tyre Compounding for Improved Performance

  • ID: 224965
  • Book
  • 132 Pages
  • Smithers Information Ltd
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This is an overview of the factors tyre compounders and engineers must consider when developing compounds for tyres, to meet the demanding performance requirements of the 21st Century. It provides an excellent introduction to a complex subject, but will be of interest to the tyre and automotive industries as it covers the latest developments and future prospects for tyres and tyre compounds, and is well referenced.

Tyres must support the load of the vehicle; transmit the driving, braking and cornering forces from the vehicle in all weather conditions; envelop obstacles in the road without detracting from ride comfort; and, above all, tyres should not puncture and fail during use.

Tyres comprise several different components, each with potentially varying formulations: the inner liner, the carcass, the bead, the apex, the sidewall, the belt, the cap-ply and the tread. These are described separately.

Tyre performance is measured in a number of different ways, and the application of the tyre itself will influence the choice of tests. The key performance properties for tyres have been described as the ‘magic triangle, i.e., rolling resistance, wear and wet grip. The art of compounding is to balance out all of these performance requirements for the tyre and to relate the test results on built tyres to the rubber compounds and processes used in production.

This review discusses compounding ingredients for tyre rubbers by class including polymer types. Compounds are tested before being used, examining properties such as rheological behaviour and tensile and tear strength.

The future of tyres in vehicles is outlined. There is potential for tyres to include sensors to provide feedback about road conditions to vehicle control systems. In addition, most manufacturers now have products which will run for a short distance even after air is lost, made using much stiffer sidewall compounds.
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1. Scope

2. Introduction

3. Tyres

3.1 Invention

3.2 Components

4. Tyre Performance

4.1 Traction

4.2 Coefficient of Rolling Friction (Rolling Resistance)

4.3 Treadwear and Durability

4.4 Noise

4.5 Global Properties

5. Ingredients

5.1 Polymers

5.2 Fillers

5.3 Process Aids

5.4 Antidegradants

5.5 Adhesion Promoters

5.6 Curatives

5.7 Fabric

5.8 Processing

6. Compound Properties

6.1 Rheometry

6.2 Ingredient Dispersion

6.3 Physical Properties

6.4 Adhesion

6.5 Viscoelasticity

7. Future

7.1 Smart Materials and Tyres

7.2 Run-Flat Tyres and Deflation Warning Systems

7.3 Mathematical Modelling

7.4 Environmental Issues
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