| http://www.w3.org/ns/prov#value | - In its broadest aspect, the present invention is a method of preparing PEG-modified copolyester filaments by copolymerizing polyethylene glycol into polyethylene terephthalate in the melt phase to form a copolyester composition, then polymerizing the copolyester composition in the solid phase until the copolyester is capable of achieving a melt viscosity that facilitates the spinning of filaments,
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