It s made by reacting dicarboxylic acid with a dihydric alcohol.
Polyester fiber material.
This base material can be used to make many things from soda bottles to boats as well as clothing fibres.
Manufacturing staple fiber in making polyester staple fiber polymerization drying and melt spinning steps 1 4 above are much the same as in the manufacture of filament yarn.
Traditionally pet has been used as an alternative to cotton and in some applications it may also serve as a reasonable alternative to other natural fibers like wool and silk.
Dupont introduced its dacron brand of polyester in 1951 but the material itself was patented earlier in 1941.
Polyester is a category of polymers that contain the ester functional group in their main chain.
In its fiber form as polyester fabric however pet is used in hundreds of different consumer applications.
For this reason polyester fabrics don t absorb perspiration or other fluids leaving the wearer with a moist clammy feel.
Polyester fibers typically have a low level of wicking.
Relative to cotton polyester is stronger with a greater ability to stretch.
As a specific material it most commonly refers to a type called polyethylene terephthalate pet.
Fiber strength can range from 2 5 grams denier to 9 5 grams.
8 after the polyester yarn is drawn it is wound on large bobbins or flat wound packages ready to be woven into material.