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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:

Patchwork is a form of needlework or craft that involves sewing together small pieces of fabric and stitching them together into a larger design, which is then usually quilted, or else tied together...
A hand printing method using wood, metal, or linoleum blocks. The design is carved on the blocks, one block for each color. The dye is applied to the block which is pressed or hammered against the...
A carbohydrate which is the chief component of the cell walls of plants. Cellulose is found in wood and in cotton, linen, jute, hemp, and all of the bast, leaf, and stem fibers. It is a basic raw...
An imperfection, characterized by a ridge or mark running in the crosswise or lengthwise directions of the fabric. Barrés can be caused by tension variations in the knitting process, poor quality...
A silk, rayon, or manufactured fiber necktie fabric with a broken rib weave and a characteristic pebbly appearance. A fine, dress fabric with a silk warp and worsted filling, woven in a broken...

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