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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:

A robe is a loose-fitting outer garment of various types, including: * A gown worn as part of the academic dress of faculty or students, especially for ceremonial occasions, such as a convocations or...
Chamois cloth a cotton fabric. Fabric is napped, sheared, and dyed to simulate chamois leather. It is stiffer than kasha and thicker, softer and more durable than flannelette. Must be designated as...
A fine, closely woven, lustrous cotton or cotton/poly blend made in plain weave with a fine rib in the direction of the filling (across). The filling yarn is heavier and has less twist than the warp...
A type of wool that originates from pure-bred Merino sheep. The best Merino wool comes from Italy. The highest, finest and best wool obtained anywhere in the world. This fiber is used only in the...
Fibres spun from two different polymers. The most common types are made from polymers which have different melting points and are used for thermal bonding. Another variant is produced from polymers...

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