Question

Select an option which is an example of thermoplastic material:
(A) nylon 66
(B) PVC
(C) urea formaldehyde
(D) Epoxy resins

Answer 1

Hint : In order to answer this question, to know the example of thermoplastic material, we will first describe the properties of thermoplastic and then we will match the properties with the given option’s properties. Then we will describe the correct option.

Complete Step By Step Answer:
PVC is a perfect example of thermoplastic material.
Thermoplastics are the polymers which lose their shapes on heating and regain their shape on cooling and PVC also has the same property that thermoplastics contain.
Thermoplastic is a type of plastic polymer that becomes pliable or moldable at a high temperature before solidifying when cooled. The molecular weight of most thermoplastics is high. The polymer chains are held together by intermolecular forces, which weaken as the temperature rises, resulting in a viscous liquid. Thermoplastics may be reshaped in this state and are commonly utilised to manufacture parts using polymer processing techniques like injection moulding, compression moulding, calendering, and extrusion. Thermoplastics differ from thermosetting polymers (sometimes known as "thermosets"), which cure by forming irreversible chemical linkages. When heated, thermosets do not melt, but they disintegrate and do not reform when cooled.
PVC is the third most extensively used synthetic plastic polymer on the planet (after polyethylene and polypropylene). Each year, around $40{\text{ }}million{\text{ }}tonnes$ of PVC are produced. PVC is available in rigid (often abbreviated as PVC) and flexible versions. PVC in its rigid form is employed in pipe construction as well as profile applications like doors and windows. Bottles, non-food containers, food-covering sheets, and cards are all made using it (such as bank or membership cards).
Hence, the correct option is (B) PVC .

Note :
Thermoplastic polymers can be processed repeatedly with heat and recycled directly into new products; however, it should be noted that repeated processing may cause some of their qualities to deteriorate. Injection moulding, blow moulding, and thermoforming are three popular production procedures for thermoplastic products.