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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:

Extruded yarn that has been subjected to a stretching or drawing process which orientates the long-chain molecules of which the yarn is composed, in the direction of the filament axis. NOTE: On...
A finish which causes tiny fibrils or fibrous elements to be spilt from the fibers and protrude from the surface of the fabric. Results in a frosted, hazy, laundered appearance and a soft hand....
A high quality fabric characterized by its vertical stripes of identical width that have equal widths between them. It consists of cotton, wool, silk, or elaborate velvet stripes that are separated...
Any twill weave which runs from the left. The twill or diagonal line on the face of the fabric will run from the upper left-hand corner to the lower right-hand corner of the fabric. Leight Weight-...
These chemicals are salts or esters of phthalic acid. The esters are commonly used as plasticizers to soften polyvinyl chloride (PVC), and increase the flexibility, transparency, durability, and...

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