Category of polymers, in which the monomers are joined together by ester links
For the 1981 motion picture, see Polyester (film).
Ester group (blue) which defines polyesters.
Polyester is a category of polymers that contain the ester functional group in every repeat unit of their main chain.[1] As a specific material, it most commonly refers to a type called polyethylene terephthalate (PET). Polyesters include naturally occurring chemicals, such as in plants and insects, as well as synthetics such as polybutyrate. Natural polyesters and a few synthetic ones are biodegradable, but most synthetic polyesters are not. Synthetic polyesters are used extensively in clothing.
Polyester fibers are sometimes spun together with natural fibers to produce a cloth with blended properties. Cotton-polyester blends can be strong, wrinkle- and tear-resistant, and reduce shrinking. Synthetic fibers using polyester have high water, wind, and environmental resistance compared to plant-derived fibers. They are less fire-resistant and can melt when ignited.[2]
Liquid crystalline polyesters are among the first industrially used liquid crystal polymers. They are used for their mechanical properties and heat-resistance. These traits are also important in their application as an abradable seal in jet engines.[3]
^Köpnick H, Schmidt M, Brügging W, Rüter J, Kaminsky W (June 2000). "Polyesters". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA.
^Mendelson C (17 May 2005). Home Comforts: The Art and Science of Keeping House. Simon and Schuster. ISBN 9780743272865.
^"Thermal Spray Abradable Coatings". www.gordonengland.co.uk. Retrieved 12 December 2018.
Polyester is a category of polymers that contain the ester functional group in every repeat unit of their main chain. As a specific material, it most...
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according to their chemistry. Some of these chemistries are polyether, polyester, polycarbonate and also acrylic polyols. Polyether polyols may be further...
Depending on purity of the recycled materials, polyester can be used today in most of the polyester manufacturing processes as blend with virgin polymer...
in underground nests that are lined with a polyester secretion, earning the genus the nickname of polyester bees. C. inaequalis is a pollinator of red...
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major types of film base in use: nitrate (until about 1951), acetate, and polyester. In the literature of photography "nitrate" is used as a synonym for the...
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the silk in parachutes and other military uses like ropes. The first polyester fiber was patented in Britain in 1928 by the International General Electric...
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polymer matrix—most often based on thermosetting polymers such as epoxy, polyester resin, or vinyl ester resin—or a thermoplastic. Cheaper and more flexible...
care for than silk velvet Polyester/spandex Polyester/spandex velvet (often called "stretch velvet") can be made of polyester with a small percentage of...
about 15 micrometres (0.00059 in) in diameter, which is thinner than the polyester fibers normally used in insulation for clothing such as gloves or winter...
to create their polyester (plus water). DMT and 1,4-butanediol are also reacted to form their polyester (plus methanol). This polyester is then added to...
easily cleaned up and are compatible with water-based and latex sealers. Polyester putty and epoxy putty are thermosetting polymers that can be molded by...
wire frames, ground clay, and mass-produced injection plastic mouldings. Polyester has been the main material for manufacturing artificial flowers since...
polycondensation, and were not covered by patents obtained by Wallace Carothers on polyesters. Early work focused on the production of fibers and flexible foams and...
films used as the dielectric for film capacitors are polypropylene (PP), polyester (PET), polyphenylene sulfide (PPS), polyethylene naphthalate (PEN), and...
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