Abstract

The supermolecular structure of higher modulus poly(ethylene terephthalate) (PET) samples obtained by means of multi-stage combined cold drawing/hot zone drawing procedures is characterized using WAXS, SAXS and mechanical methods. The direct separate determination of crystallite sizes and lattice distortions using a single line method has been applied for the first time to high modulus PET samples. Influences of supermolecular structure on the axial elastic modulus and on a limitation in preparing high modulus PET samples are discussed.

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