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MORPHOLOGICAL CHARACTERIZATION DURING DEFORMATION OF A POLY(ETHER ESTER) THERMOPLASTIC ELASTOMER BY SMALL-ANGLE X-RAY-SCATTERING

1994    FAKIROV, S; DENCHEV, Z; APOSTOLOV, AA; STAMM, M; FAKIROV, C

The scattering behavior of pre-drawn and annealed bristles of a highly deformable poly(ether ester) thermoplastic elastomer based on poly(butylene terephthalate) as hard segments and poly(ethylene glycol) as soft segments in a ratio of 57/43 wt.-% is studied. Small-angle x-ray scattering measurements with an area detector are carried out on bristles with and without application of stress up to 195% relative deformation. Two-dimensional scattering patterns are used for morphological characterization of the sample.