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The performance of polypropylene-poly(ethylene brassylate) block and graft copolymers and a polypropylene-polycaprolactone graft copolymer as compatibilizers for polypropylene-rich polypropylene/bisphenol A polycarbonate (PP/PC, 80/20 wt/wt) blends was elucidated. The copolymers were synthesized either by metal-catalyzed ring-opening polymerization or transesterification of a presynthesized polyester, initiated by hydroxyl-functionalized PPs, which themselves were obtained by catalytic routes or reactive extrusion, respectively. Spectroscopic fingerprints of the copolymers from liquid-state nuclear magnetic resonance (NMR) in combination with scanning electron microscopy (SEM), transmission electron microscopy (TEM), atomic force microscopy (AFM), dynamic mechanical thermal analysis (DMTA), and rheology analyses of the blends indicated that the compatibilizers spontaneously organize at the interface of the two immiscible polymers leading to the formation of uniform, stable, nanophase morphologies. The effect of the compatibilizers on the performance of the PP/PC blends was evaluated, and well-compatibilized PP/PC blends showed improved melt strength and strain hardening when compared to pure PP. This was verified by the successful foam extrusion using isobutane as a blowing agent of well-compatibilized PP/PC blends to low-density PP-based foams, for which normally long-chain branched PP is required.
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Autorzy (11)
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Rob Duchateau
-
Miloud Bouyahyi
-
Agnieszka Tercjak
-
Enrico Troisi
-
Yingxin Liu
-
Lanti Yang
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
-
ACS Applied Polymer Materials
nr 3,
strony 5509 - 5516,
ISSN: - Język:
- angielski
- Rok wydania:
- 2021
- Opis bibliograficzny:
- Jasińska-Walc L., Duchateau R., Bouyahyi M., Kruszyński J., Tercjak A., Różański A., Troisi E., Liu Y., Yang L., Sienkiewicz M., Ivashkiv O.: Preparation of Well-Compatibilized PP/PC Blends and Foams Thereof// ACS Applied Polymer Materials -Vol. 3,iss. 11 (2021), s.5509-5516
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1021/acsapm.1c00813
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 144 razy
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