الفهرس 
Chapter 1 : IntroductionOnly 14 pages are availabe for public view
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Abstract
It would be visualize our modern world withou plastics.
Designers and engineers readily turn to plastics because it offers combination of properties not available in any other materials.
Most of the world,s plastics are made from petroleum fractions,and their average cost has increased over the past few years.
Nowadays, all the world is looking forward to keep the environment clean, and completely override from all kinds of pollutants, which mainly result from either the industrial or agricultural wastes.
Plastics are non-biodegradable material, so we cannot override the plastic wastes either by land filling prevents roots to grow and the agriculture will be affected, also burning.
produces abig amount of harmful gases.