Synthetic (nylon) and natural (protein) polyamides are made by polymerizing amino acids and lactams. Nylon 6,6 was first made in the early 1930s by W. H.Carothers as a textile fiber called fiber #66; the name nylon was coined in 1938 by DuPont. Nylons are thermoplastic resins that are characterized by their high degree of toughness, strength and durability along with their resistance to chemicals and heat. They are manufactured as bristles, fibers, molding powders, sutures, adhesives, and coatings. The most important examples of polyamides are the various kinds of nylon. See also aramid.
Synonyms and Related Terms
PA; nylon; protein; aramid; poliamida (Esp.); polyamide (Fr.); poliammide (It.); poliamida (Port.)
Examples: Nylon® [Du Pont]; Technyl® [Rhodia]; Ultramid® [BASF]; Amilan® [Toray]; Durethan® [Lanxess];
Soluble in formic acid, dimethylformamide, m-cresol.
Insoluble in methanol, diethyl ether, hydrocarbons.
Burns with orange-yellow flame, blue smoke and smells like burnt horn.
Sources Checked for Data in Record
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- Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988
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- Website address 1 Comment: www.nswpmith.com.au/historyofplastics.html