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Many of the world records in swimming were established by swimmers wearing bodysuits or suits made of polyurethane or other non-textile materials allowed in the race pool from February 2008 until December 2009. These suits seemed to improve the performance for top athletes, especially those with larger physiques.
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Nylon 1,6 (aka polyamide 1,6) is a type of polyamide or nylon. [1] Unlike most other nylons, nylon 1,6 is not a condensation polymer, but instead is formed by an acid-catalyzed synthesis from adiponitrile, formaldehyde, and water. The material was produced and studied by researchers at DuPont in the 1950s. [2]
Boardshorts have evolved over the last 50 years and separated themselves from the simpler swim trunks category from which they originated. In the beginning of their history, change happened organically – individual solutions were born out of the need to address environmental requirements and inadequacies in a garment that was increasingly ...
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The reaction of 1,4-phenyl-diamine (para-phenylenediamine) and terephthaloyl chloride to produce an aramid. Polyamides can also be synthesized from dinitriles using acid catalysis via an application of the Ritter reaction. This method is applicable for preparation of nylon 1,6 from adiponitrile, formaldehyde and water. [4]