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Morphology–property relationships in ABS/PET blends. II. Influence of processing conditions on structure and properties

✍ Scribed by Wayne D. Cook; Graeme Moad; Bronwyn Fox; Gary Van Deipen; Tie Zhang; Ferenc Cser; Lawry McCarthy

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
533 KB
Volume
62
Category
Article
ISSN
0021-8995

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✦ Synopsis

The effect of processing temperature on the low-speed tensile and high-speed impact properties of novel ABS/PET blends was investigated. In agreement with the conclusions from related studies of ABS/PC blends, it appears that catalytic impurities in the ABS accentuate the propensity of PET for chain scission. Due to the cocontinuous structure of the blend, the hydrolytic or thermomechanical degradation of the PET results in a dramatic loss in mechanical properties which can be explained by the entanglement theory for fracture and the Orowan brittle-ductile hypothesis. 0 1996 John Wiley & Sons, Inc.

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