Modification of substandard EPDM with amorphous thermoplastic polyesters (PETG and PEF): microstructure and physical properties

• Autorzy: Paszkiewicz S. , Irska I. , Piesowicz E.

Identyfikatory

DOI

10.2478/pjct-2018-0017

• Języki publikacji: EN

Abstrakty

EN

The phase morphology, thermal behavior and mechanical properties of two series of polymer blends based on ethylene/propylene/diene rubber (EPDM) and amorphous homologues of poly(ethylene terephthalate), i.e. glycol modifi ed poly(ethylene terephthalate) (PETG) and poly(ethylene furanoate) (PEF), were investigated. The morphology of the blends shows a two phase structure in which the minor phase (amorphous polyester) is dispersed as domains in the major (EPDM) continuous matrix phase. Differential calorimetry studies confi rmed that both systems were immiscible and exhibits two glass transitions. The melting peak area of EPDM in the blends decreased as the amount of the other component increased. The values of stress at strain of 100% were improved upon the increasing content of PETG in EPDM system, while only slight decrease of this value was observed. Moreover, the strong improvement of hardness and thermo-oxidative stability along with an increasing content of amorphous polyester phase was reported.

Słowa kluczowe

EN

polymer blends; substandard EPDM; PETG; PEF; phase morphology; mechanical properties; thermal stability

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2018
• Tom: Vol. 20, nr 2
• Strony: 8--14
• Opis fizyczny: Bibliogr. 46 poz., rys., tab.

Twórcy

autor

Paszkiewicz S.

• West Pomeranian University of Technology, Institute of Material Science and Engineering, Piastow 19, 70-310 Szczecin, Poland

autor

Irska I.

• West Pomeranian University of Technology, Institute of Material Science and Engineering, Piastow 19, 70-310 Szczecin, Poland

autor

Piesowicz E.

• West Pomeranian University of Technology, Institute of Material Science and Engineering, Piastow 19, 70-310 Szczecin, Poland

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).