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An investigation on the role of GMA grafting degree on the efficiency of PET/PP-g-GMA reactive blending: morphology and mechanical properties
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.
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Authors (7)
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Omid Jazani
- iversity of Isfahan, Isfahan, Iran Department of Chemical Engineering, Faculty of Engineering
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Hadi Rastin
- University of Tehran,Tehran, Iran School of Chemical Engineering, College of Engineering
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Mohammad Shahbazi
- Institute for Color Science and Technology, Tehran, Iran Department of Organic Dyes and Pigments
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Bahman Farkiani
- Amirkabir University of Technology, Mahshahr, Iran Department of Polymer Engineering
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Mohammad Saeb
- Institute for Color Science and Technology, Tehran, Iran Department of Resin and Additives
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
POLYMER BULLETIN
no. 74,
edition 11,
pages 4483 - 4497,
ISSN: 0170-0839 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Jazani O., Rastin H., Formela K., Hejna A., Shahbazi M., Farkiani B., Saeb M.: An investigation on the role of GMA grafting degree on the efficiency of PET/PP-g-GMA reactive blending: morphology and mechanical properties// POLYMER BULLETIN. -Vol. 74, iss. 11 (2017), s.4483-4497
- DOI:
- Digital Object Identifier (open in new tab) 10.1007/s00289-017-1962-x
- Verified by:
- Gdańsk University of Technology
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