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What is "Dry Spinning" - Definition & Explanation

Dry spinning uses a solvent that evaporates in air. The dissolved polymer is extruded through the spinnerette into a chamber of heated air or gas, the solvent evaporates, and the fibre forms. The solvent is generally recovered for reuse. Acrylic is produced by dissolving the polymer in dimethyl formamide before dry spinning. Other fibres formed by dry spinning include acetate, triacetate, spandex, and aramid. The evaporated solvent is drawn upwards by the air stream, for collection and recycling, but almost impossible to contain all solvent within system.
In the dry spinning process, polymer is dissolved in a solvent before being spun into warm air where the solvent evaporates. This leaves the fibrous polymer ready for drawing.

Some other terms

Some more terms:

A very fine transparent muslin with a stiff finish. Some has lappet, swivel, or flocked designs. Made with tightly twisted yarns. Crispness is due to a finish with starch and calendering which washes...
A finishing process in which the fabric is wound tightly onto a perforated roller and either immersed in hot water, which is also circulated through the fabric (wet decatising) or has steam blown...
Trouser-like garment, worn on the lower part of the body alike by men and women. Literally, 'leg-clothing'. The payjama was worn in many cuts and shapes, much variation being seen in respect of...
A short length of warp or weft yarn that has twisted on itself owing to lively twist (see twist liveliness) or insufficient tension. NOTE: The snarling may occur during or prior to the weaving...
Dyeing under pressure higher than atmospheric pressure with the object of raising the temperature of the dye liquor above its normal boiling point. NOTE: The term "pressure dyeing" in this...

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