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08.03.2017 | Original Paper

An investigation on the role of GMA grafting degree on the efficiency of PET/PP-g-GMA reactive blending: morphology and mechanical properties

verfasst von: Omid Moini Jazani, Hadi Rastin, Krzysztof Formela, Aleksander Hejna, Mohammad Shahbazi, Bahman Farkiani, Mohammad Reza Saeb

Erschienen in: Polymer Bulletin | Ausgabe 11/2017

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Abstract

Glycidyl methacrylate (GMA) has been grafted on polypropylene (PP) with the aid of styrene (St) comonomer, by changing dicumyl peroxide initiator content, GMA level, and St concentration. The performance of the resulting PP-g-GMA reactive material towards static and dynamic mechanical properties of poly (ethylene terephthalate) (PET) was monitored in terms of grafting reaction variables and compatibilizer content. Fourier transform infrared spectroscopy, scanning electron microscopy, mechanical properties, melt flow rate, and impact strength analyses were applied to correlate structural changes due to grafting (or undesired chain scission) with blends’ properties. The competition between the desired reaction, i.e., GMA grafting onto PP chain, and undesired chain scission of PP macroradicals due to thermal degradation, was discussed based on torque–time curves and mechanical properties. Manipulation of grafting variables was responsible for a special behavior over properties, means that optimal or ascending/descending trends, which noticed high sensitivity of PET toughening to GMA grafting efficiency.

Vorheriger Artikel Synthesis and swelling behavior of metal-chelating superabsorbent hydrogels based on sodium alginate-g-poly(AMPS-co-AA-co-AM) obtained under microwave irradiation

Nächster Artikel Preparation and characterizations of all-biodegradable supramolecular hydrogels through formation of inclusion complexes of amylose

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Titel: An investigation on the role of GMA grafting degree on the efficiency of PET/PP-g-GMA reactive blending: morphology and mechanical properties
verfasst von: Omid Moini Jazani
Hadi Rastin
Krzysztof Formela
Aleksander Hejna
Mohammad Shahbazi
Bahman Farkiani
Mohammad Reza Saeb
Publikationsdatum: 08.03.2017
Verlag: Springer Berlin Heidelberg
Erschienen in: Polymer Bulletin / Ausgabe 11/2017
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI: https://doi.org/10.1007/s00289-017-1962-x

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