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Answers
Answer:
A)Ther difference between these two types of plastics are:
Thermoplastics can be heated and shaped over and over again - Thermosetting plastics can only be heated and shaped once.
Thermosetting plastics have high melting points and have high tensile strength but thermoplastics have low melting point and are easy to mould.
B)Polyester is a category of polymers that contain the ester functional group in their main chain. As a specific material, it most commonly refers to a type called polyethylene terephthalate.
Fiber type: Synthetic fiber
Source: Petroleum product
Characteristics: Abrasion resistant, Dries quickly, Durable, Lightweight, Strong, Wrinkle resistant
Typically used in: Film, Clothing, Trousers, Bed sheet, Shirt, Blanket, MORE
Variant: Thermoplastic, Thermosetting polymer.Commnly used polyster is polyethylene terephthalate