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Colloid and Polymer Science

Erschienen in:

07.11.2017 | Original Contribution

Significant toughness improvement in iPP/PLLA/EGMA blend by introducing dicumyl peroxide as the morphology governor

verfasst von: Juan-juan Su, Fan Zhu, Yang Meng, Jian Han, Ke Wang, Qiang Fu

Erschienen in: Colloid and Polymer Science | Ausgabe 1/2018

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Abstract

Isotactic polypropylene/poly(l-lactide) blends were toughened by blending polyethylene-glycidyl methacrylate (EGMA) as compatibilizer and dicumyl peroxide (DCP) as compatibilization accelerator. Isotactic polypropylene (iPP)/poly(l-lactide) (PLLA)/EGMA/DCP blends showed remarkably improved impact toughness and excellent flexibility, moderate levels of strength, and modulus. Reactive compatibilization between iPP and EGMA as well as PLLA and EGMA was studied using Fourier transform infrared spectroscopy. The “salami”-like phase structure of the dispersed domains in the iPP/PLLA/EGMA ternary blends was observed. With the further addition of DCP, the EGMA phase evolved from occluded sub-inclusions into an interface boundary. The significant increase in impact strength of iPP/PLLA/EGMA/DCP blends was ascribed to the effective interfacial compatibilization. This study provides a new route to prepare a cost-effective material with partial biodegradability, good impact toughness, and tensile strength. Meanwhile, a deep insight into the optimization of properties of multicomponent blends by morphology transition was proposed.

Vorheriger Artikel Study on adsorption characteristic of novel nonionic fluorocarbon surfactant (4-hydroxyethyl ether) (pentadecafluoro-alkyl) amide at coal-water interface

Nächster Artikel Effect of annealing on microstructure and tensile properties of polypropylene cast film

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Titel: Significant toughness improvement in iPP/PLLA/EGMA blend by introducing dicumyl peroxide as the morphology governor
verfasst von: Juan-juan Su
Fan Zhu
Yang Meng
Jian Han
Ke Wang
Qiang Fu
Publikationsdatum: 07.11.2017
Verlag: Springer Berlin Heidelberg
Erschienen in: Colloid and Polymer Science / Ausgabe 1/2018
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI: https://doi.org/10.1007/s00396-017-4225-3

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