STUDY ON PHASE STRUCTURE AND MECHANICAL PROPERTIES OF PBT AND PA6 BLENDS
Ternary composites based on Poly (butylenes terephthalate) (PBT) , PA6, and liquid epoxy resin were systematically investigated. The epoxy resin was demonstrated to be an efficient reactive compatibilizer for PBT/PA6 blends by fuctioning as a coupling agent. The epoxy resin reacts with PBT and PA6 simultaneously to produce copolymer that is highly effective in compati-bilizing the PBT/PA6 blends. This epoxy E-54 compatibilizer decreases the particle sizes of dispersed phase and results in substantial improvement on mechanical properties. The correlation between the mechanical properties and morphology of the blends was discussed.
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