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Natural fibers or natural fibres (see spelling differences) are fibers that are produced by geological processes, or from the bodies of plants or animals. [1] They can be used as a component of composite materials, where the orientation of fibers impacts the properties. [2] Natural fibers can also be matted into sheets to make paper or felt. [3 ...
Fiber (also spelled fibre in British English; from Latin: fibra) [1] is a natural or artificial substance that is significantly longer than it is wide. [2] Fibers are often used in the manufacture of other materials.
Textile fibres or textile fibers (see spelling differences) can be created from many natural sources (animal hair or fur, cocoons as with silk worm cocoons), as well as semisynthetic methods that use naturally occurring polymers, and synthetic methods that use polymer-based materials, and even minerals such as metals to make foils and wires.
In December 2006, the General Assembly of the United Nations proclaimed 2009 to be the International Year of Natural Fibres in order to raise people's awareness of linen and other natural fibers. [35] One study suggests that the functional properties of linen fabric can be improved by incorporating chitosan-citric acid and phytic acid thiourea.
Synthetic fibers are produced in longer lengths called filaments. Silk is the only natural fiber that is a filament. The classification of fibers is based on their origin, derivation, and generic types. [9] [67] Certain properties of synthetic fibers, such as their diameter, cross section, and color, can be altered during production. [76]
Even for the use of waste fibers as a reinforcement in composite materials, sized fibers have been probed by an aqueous test solution. [9] A review on the electrokinetic properties of natural fibers including cellulose and lignocellulosic fibers is found in the Handbook of Natural Fibers. [10]