Nylon is widely used in many applications. There is a vast amount of recycled nylon coming from the carpet and textile and other industries. Due to degradation and loss of viscosity, this recycled nylon has reduced performance and limited its use. The unique chemistry of alternating copolymers of ethylene and maleic anhydride provide several advantages for upgrading recycled nylon. This paper discusses the results obtained with compounding prime grade nylon as well as recycled nylon with the addition of small quantities of this copolymer and specific property improvements for applications in injection molded compounds. The resulting compounds have performance that can match or exceed prime virgin nylon at 30-50% cost savings.
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