Reuse of Plastic Waste in Road Construction

Topics: Polymer, Plastic, Hydrogen chloride Pages: 3 (390 words) Published: December 16, 2011
What is plastic??
A material that contains one or more organic polymers of large molecular

weight, solid in its finished state and at some state while manufacturing or

processing into finished articles, can be shaped by its flow. Types of plastics

solids or semi solid materials
light yellow to darkbrown in colour
carbon, hydrogen and oxygen.
globules on the bark .

derived primarily from petroleum.
polystyrene, polyesters and acrylics
used in the manufacture of varnishes, plastics, adhesives and rubber.

Various Resins Of Plastic
Polyethylene terephthalate (PET,PETE)
Density polyethylene(HDPE)
Vinyl(Poly vinyl chloride or PVC)
Low Density Polyethylene(LDPE)

Segregation .
Cleaning process .
Shredding process .
Collection process .

2.Wet Process
Waste plastics by direct mixing
with hot bitumen at 160°C
Mechanical stirrer is needed
Addition of stabilizers and proper cooling.
Since the wet process require a lot of investment and bigger plants Not commonly used..

Use higher percentage of plastic waste.
Reduce the need of bitumen by around 10%.
Increase the strength and performance of the road.
Reduce the cost to around Rs. 5000/Km. of single lane road.
Generate jobs for rag pickers.
Develop a technology, which is eco-friendly.

1. Cleaning process
Toxics present in the co-mingled plastic waste would d start leaching. 2. During the road laying process
But the presence of chlorine will definitely release noxious HCL gas.

3.After the road laying
The components of the road, once it has been laid, are not inert. It is opined that the first rain will trigger leaching. As the plastics will merely

form a sticky layer, (mechanical abrasion).
once the road is started to be used will cause the release of fine polymer particles....
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