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Synthetic fibers are made from petroleum polymers and are often less expensive than their natural plant and animal counterparts. These synthetics first appeared on the scene with artificial silk in 1894, and other fibers were developed throughout the 20th century, such as Rayon, Nylon, Acrylic and Polyester.
So, dacron, acrylon and acrylic are petroleum products.
The process of change of solid substance into its liquid state is called melting or fusion. The constant temperature at which the solid becomes liquid upon absorption of heat at constant pressure is called the melting point of that solid at that pressure.
Protein, animal fibres are natural fibres that consist largely of particular proteins. Instances are silk, hair/ fur and feathers. The animal fibres used most commonly both in the manufacturing world as well as by the hand spinners are wool from domestic sheep and silk.
PET is polyethylene terephthalate, a plastic resin and a form of polyester. Polyethylene terephthalate is a polymer that is formed by combining two monomers: modified ethylene glycol and purified terephthalic acid. The first PET bottle was recycled in 1977.
The first fully synthetic fibre was nylon. It was prepared from coal, water and air. It is very strong, elastic and light, it is very easy to wash and used for making variety of things like socks, ropes, bags, curtains etc
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