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What is "Fiber Base" - Definition & Explanation

Most man-made fibers are formed by forcing a syrupy substance (about the consistency of honey) through the tiny holes of a device called a spinneret In their original state, the fiber-forming substances exist as solids and there-fore must be first converted into a liquid state for extrusion. This is achieved by dissolving them in a solvent or melting them with heat. If they cannot be dissolved or melted directly, they must be chemically converted into soluble derivatives.

The basic substance for the three cellulosic fibers (acetate, rayon, and triacetate) is cellulose, which comes from purified wood pulp. It can be dissolved for extrusion into fibers. The substances used in the production of the noncellulosic fibers generally are melted or chemically converted into a liquid state.

Some other terms

Some more terms:

Batik
A method of resist dyeing which employs wax as the resist. The pattern is covered with wax, and the fabric is then dyed: the wax patterns will not take the dye. The wax is removed after dyeing by...
Bar Code
The Universal Product Code (UPC) symbol that contains readable optical recognition characters that can be read by a scanner to monitor merchandise at point of sale. The symbol utilizes ten-digit...
Cloak
The cloak has been the most enduring of outer garments throughout the history of fashion. In the 18th century a man's cloak was made with a collar at the neck, a cape over the shoulders, and hung to...
Shuttle
The boat-like device which carries the filling yarn wound on the bobbin which sees in the shuttle from a shuttle box on one side of the raceplate of the loom, through the shed, and into a shuttle box...
Twill
A fabric whose weave is made up of 2 or 3 warp yarns or threads to every one weft. Weave with diagonal ribs and large number of variations. Diagonals may be set at sharp or blunt angles, may be...

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