a define polymer chemistry b write at least three synthectic fibres and explain their properties and uses
Answers
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Answer:
It is a substance which has a molecular structure built up chiefly or completely from a large number of similar units bonded together, e.g. many synthetic organic materials used as plastics and resins.
-eg. Acrylic , Polyester ,Nylon
-Nylon is a generic designation for a family of synthetic polymers, based on aliphatic or semi-aromatic polyamides. Nylon is a thermoplastic silky material that can be melt-processed into fibers, films, or shapes. It is made of repeating units linked by amide links similar to the peptide bonds in proteins.
Uses:
Clothing – Shirts, Foundation garments, lingerie, raincoats, underwear, swimwear and cycle wear.
Industrial uses – Conveyer and seat belts, parachutes, airbags, nets and ropes, tarpaulins, thread, and tents.
It is used to make a fish net.
-Poly(methyl methacrylate), also known as acrylic, acrylic glass, or plexiglass, as well as by the trade names Crylux, Plexiglas, Acrylite, Astariglas, Lucite, Perclax, and Perspex, among several others, is a transparent thermoplastic often used in sheet form as a lightweight or shatter-resistant alternative to glass.
Uses:
making of carpet ,glove,sock,sweater,blanket,furnishing fabric,boots etc.
demanding constructions such as windows in submarines
fiber optics in the flat-screen TV's.
-Polyester is a synthetic fiber derived from coal, air, water, and petroleum. Developed in a 20th-century laboratory, polyester fibers are formed from a chemical reaction between an acid and alcohol. In this reaction, two or more molecules combine to make a large molecule whose structure repeats throughout its length.
Uses:
making of rope,hat,film,clothing,bottle,filter,car tire
Industrial polyester fibers, yarns and ropes are used in car tire reinforcements, fabrics for conveyor belts, safety belts, coated fabrics and plastic reinforcements with high-energy absorption.
Polyester fiber is used as cushioning and insulating material in pillows, comforters and upholstery padding.