Properties of Injection Molded Nanocomposites and Blends Based on PLA, PHBV and L-CNC / Martin Borůvka...[et al.]

Borůvka, Martin and Běhálek, Luboš and Habr, Jiří and Lenfeld, Petr and Vácha, Jan and Ngaowthong, Chakaphan (2017) Properties of Injection Molded Nanocomposites and Blends Based on PLA, PHBV and L-CNC / Martin Borůvka...[et al.]. Journal of Mechanical Engineering (JMechE), SI 4 (3). pp. 128-141. ISSN 18235514

Abstract

The practical approach to produce sustainable, biobased, biodegradable and ecofriendly blends and nanocomposites with tailored material properties is reported in this paper. The aim of study is to investigate the effect of blending and addition of heterogeneous nucleating agents based on lignin-coated cellulose nanocrystals (L-CNCs) on the properties of poly(lactic acid) (PLA) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) blends and nanocomposites. The crystallization behaviour, morphology, impact strength and heat deflection temperature of neat PLA, blends and nanocomposites were investigated. Masterbatches were prepared by melt mixing using an internal mixer and further then were standard tensile test bars injection molded. The results showed that both property modifiers (PHBV and L-CNC) had significant influence on PLA material properties. Crystallinity of resulted samples has been improved. Morphology examinations showed PHBV well dispersed in PLA phase in form of droplet like particles in nanometre range. An increase of impact strength and heat deflection temperature (HDT) has been observed.

Metadata

Item Type: Article
Creators:
Creators
Email / ID Num.
Borůvka, Martin
UNSPECIFIED
Běhálek, Luboš
UNSPECIFIED
Habr, Jiří
UNSPECIFIED
Lenfeld, Petr
UNSPECIFIED
Vácha, Jan
UNSPECIFIED
Ngaowthong, Chakaphan
UNSPECIFIED
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Mechanical Engineering
Journal or Publication Title: Journal of Mechanical Engineering (JMechE)
UiTM Journal Collections: UiTM Journal > Journal of Mechanical Engineering (JMechE)
ISSN: 18235514
Volume: SI 4
Number: 3
Page Range: pp. 128-141
Keywords: poly (lactic acid); poly (hydroxybutyrate-co-hydroxyvalerate); lignin-coated cellulose nanocrystals; biopolymer blends, nanocomposites
Date: 2017
URI: https://ir.uitm.edu.my/id/eprint/39090
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