Petrolium Based Chemicals
A petrochemical is a chemical which has been derived from petroleum or natural gas. These chemicals are typically extracted during the refining process as crude oil and gas are distilled or cracked. They can be utilized in a wide variety of ways. Most common synthetic fibres are petrolium based.
This is the process used to create a fixed, cross sectional profile. A material is pushed or drawn through a die of the desired cross section.
In the spinning of man-made fibres, a spinneret is a small, thimble shaped nozzle with fine holes through which a spinning solution is forced to form a filament fibre.
The shape of the spinneret and how…