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Special effect of epoxy resin E-44 on compatibility and mechanical properties of poly(butylene terephthalate)/polyamide-6 blends by Jun An; Jinying Ge; Youxi Liu is a Materials Science article available to read on EtoBox.

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An attempt was made to modify the properties of poly(buty1ene terephthalate) (PBT) by blending it with polyamide-6 (PA-6). Since P B T and PA-6 are incompatible, epoxy resin was used as a compatibilizer to form an alloy. Alloys of P B T and PA-6 with varying amounts (0-12%) of epoxy resin E-44 were prepared by melt blending. The notched Izod impact strength and flexural strength as a function of epoxy resin E-44 content were studied. Ultimate mechanical properties showed significant improvement on addition of epoxy resin E-44. The maximum increase of the notched Izod impact strength (= 600%) of PBT/PA-6 blends is obtained at 3% (weight) epoxy resin E-44 content. The impact fracture surfaces were studied using scanning electron microscopy (SEM): The SEM micrographs showed a noticeable change in the type of surface structure on adding epoxy resin E-44. DMTA also showed improved compatibility between P B T and PA-6 on adding epoxy resin E-44. DSC studies showed that the presence of epoxy resin E-44 hindered the crystallization of both P B T and PA-6 in the alloys. Wide-angle X-ray diffraction (WAXD) showed no obvious difference on crystallinity of P B T and PA-6 in the alloys with the

Who reads Special effect of epoxy resin E-44 on compatibility and mechanical properties of poly(butylene terephthalate)/polyamide-6 blends?

Author

Jun An; Jinying Ge; Youxi Liu

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0021-8995)

Published

1996

Language

EN

Field

Materials Science (Physical Sciences)