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US 2005/0033012 A1Published application
High temperature resistant fiberfill comprising PETN fibers
OwnerArun Aneja, Jill Deaninventors
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Abstract
The present invention is directed to fibers comprising a copolymer of polyethylene terephthalate and poly(ethylene napthalate) (PETN). These fibers are used in polyester fiberfill batts, structures and articles made therefrom. Such articles provide superior bulk retention on exposure to high temperature.
Claims10
Fibers comprising a copolymer of poly(ethylene terephthalate) and poly(ethylene napthalate), (PETN).
A process for making fibers comprising a copolymer of polyethylene terephthalate and poly(ethylene napthalate) (PETN), including reacting dimethyl terephthalate (DMT) and naphthalene dicarboxylate (NDC) with ethylene glycol.
Dependencies are inferred from the claim text.