Question

what are plastics ? describe the various types of daily used platics.( give answer in detail )

Answer 1

Plastics is the term commonly used to describe a wide range of synthetic or semi-synthetic materials that are used in a huge and growing range of applications. Everywhere you look, you will find plastics. We use plastic products to help make our lives cleaner, easier, safer and more enjoyable. We find plastics in the clothes we wear, the houses we live in, and the cars we travel in. The toys we play with, the televisions we watch, the computers we use and the DVDs we watch all contain plastics.

Plastics are organic materials, just like wood, paper or wool. The raw materials used to produce plastics are natural products such as cellulose, coal, natural gas, salt and, of course, crude oil. Plastics have become the modern material of choice because they make it possible to balance today’s needs with environmental concerns.

The term ‘’plastic’’ is derived from the Greek word ''plastikos'', meaning fit for moulding. This refers to the material’s malleability, or plasticity during manufacture, which allows it to be cast, pressed, or extruded into a variety of shapes - such as films, fibres, plates, tubes, bottles, boxes, and much more.

Uses of plastics

Plastics are extremely versatile materials and are ideal for a wide range of consumer and industrial applications. The relatively low density of most plastics gives plastic products the advantages of light weight. And, although most have excellent thermal and electrical insulation properties, some plastics can be made to conduct electricity when required. They are corrosion resistant to many substances which attack other materials, making them durable and suitable for use in harsh environments. Some are transparent, making optical devices possible. They can easily be moulded into complex shapes, allowing other materials to be integrated into plastic products, and making them ideal for a wide range of functions. Furthermore, if the physical properties of a given plastic do not quite meet the specified requirements, its balance of properties can be modified with the addition of reinforcing fillers, colours, foaming agents, flame retardants, plasticisers, etc., to meet the demands of the specific application.

In principle, plastics can be developed with virtually any combination of properties to accommodate almost any application you can think of. As a result of these attractive properties, plastics are increasingly being used in the following applications:
 


Packaging
 


Building & Construction


Mobility &
Transport


Electronics
 


Agriculture
 


Healthcare

 
Sport &
Leisures
 


Energy
 

 

Answer 2

Plastics are a type of synthetic polymers such as polyethylene, PVC, nylon, etc., that can be moulded into shape while soft, and then set into a rigid or slightly elastic form.

The different types of plastics used in daily life are-
●Polyethylene Terephthalate (PET or PETE)

●High Density Polyethylene (HDPE)

●Polyvinyl Chloride (PVC)

●Low Density Polyethylene (LDPE)

●Polypropylene (PP)

●Polystyrene (PS) and Other....

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