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Chapter 2: Background

The problem of tyre waste management is a significant problem for many

countries. Privately owned vehicles as well as public transportation vehicles, such as

buses and taxis, produce thousands of tons of waste tyres every year. In this chapter,

we describe basic tyre designs along with possible recycling technologies and

methods,

and

the

problems

these

methods

face.

We

also

review

government

regulations that have an impact on tyre waste management.

2.1 Tyre Manufacturing Techniques

In this section we will give an overview of the methods used to make current

motor vehicle tyres. We will also discuss how tyre life can be lengthened through

different emerging technologies.

2.1.1 Conventional Tyre Designs

Creating a tyre requires processing rubber, steel, and fabric components

separately before combining them into a tyre (Refer to Figure 1) (Rodriguez et al,

2001). The rubber sap is mixed with carbon black, and a variety of chemicals. These

chemical components determine the composition and specialty of the tyre along with

curing temperature and time (Frederick, 2000).

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