Abstract:ABSTRACT:The surface morphology of thermooxidativedegraded polystyrene-isoprene-styrene (SIS) and polystyrene-butadiene-styrene (SBS) thermoplastic block copolymers were studied by scanning electron microscopy. Surface changes caused by heating the samples in a pyrolizer for 15 and 30 min were presented in different micrographs. The morphological changes occurring due to the formation of polar groups and their crossing linking during the thermooxidative degradation are discussed. Morphological study of these t… Show more
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