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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:

Cotton, rayon, worsted or woolen twill that is similar to gabardine, but the yarn is bulkier and much more pronounced. It is very durable, rugged and stands hard usage and wear. In time, it shines a...
A slip is an undergarment worn under clothing if it is sheer or to prevent clinging. A half-slip serves the same purpose as a full slip but it is cut like a skirt, whereas a full slip is cut like a...
A lightweight, plain weave, fabric, made from cotton, rayon, or acetate, and characterized by a puckered striped effect, usually in the warp direction. The crinkled effect is created through the...
The cassock, also known as a soutane, is a long, sheath-like, close fitting, ankle length robe worn by Christian celebrants of various denominations, including Anglicans and Roman Catholics. The...
A purse (also known as a handbag) is a small bag used to hold various small items, such as keys, a wallet, tissues, makeup, a hairbrush, pepper spray, and/or a gun (though it is generally recommended...

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