Water–soluble extracts from banana pseudo–stem as functional additives for polylactic acid: Thermal and mechanical investigations

Biocomposites containing natural fibers and biopolymers are an ideal choice for developing substantially biodegradable materials for different applications. Polylactic acid is a biopolymer produced from renewable resources and has drawn numerous interest in packaging, electrical, and automotive application in recent years. However, its potential application in both electrical and automotive industries is limited by its flame retardancy and thermal properties. One way to offset this challenge has been to incorporate natural or synthetic flame retardants in polylactic acid (PLA). The aim of this article is to review the trends in research and development of composites based on agricultural fibers and PLA biopolymers over the past decade. This article highlights recent advances in the fields of flame retardancy and thermal stability of agricultural fiber‐reinforced PLA. Typical fiber‐reinforced PLA processing techniques are mentioned. Over 75% of the studies reported that incorporation of agricultural fibers resulted in enhanced flame retardancy and thermal stability of fiber‐reinforced PLA. These properties are further enhanced with surface modifications on the agricultural fibers prior to use as reinforcement in fiber‐reinforced PLA. From this review it is clear that flame retardancy and thermal stability depends on the type and pretreatment method of the agricultural fibers used in developing fiber‐reinforced PLA. Further research and development is encouraged on the enhancement of the flame retardancy properties of agricultural fiber‐reinforced PLA, especially using agricultural fibers themselves as flame retardants as opposed to synthetic flame retardants that are typically used.

show abstract

“…Similar decreases in glass transition temperatures of PLA composites with increasing banana fiber were obtained by Sango et al,. [ 210 ]…”

Section: Fiber‐reinforced Plamentioning

confidence: 99%

Flame retardancy and thermal stability of agricultural residue fiber‐reinforced polylactic acid: A Review

et al. 2020

View full text Add to dashboard Cite

show abstract

“…For examples, the extracts from Posidonia oceanica and Musa acuminata have been used to improve the properties of PLA. [32][33][34] With cellulose, mechanical, and physical properties can potentially be selected by choosing specific source materials. [16,23,24,34,35] Thus, current research interest in cellulose extracted from Eucomis autumnalis which is an indigenous African medicinal plant known for its efficacy against a variety of ailments.…”

Section: Introductionmentioning

confidence: 99%

“…For examples, the extracts from Posidonia oceanica and Musa acuminata have been used to improve the properties of PLA. [ 32–34 ]…”

Section: Introductionmentioning

confidence: 99%

The influence of cellulose content on the morphology, thermal, and mechanical properties of poly(lactic acid)/Eucomis autumnaliscellulose biocomposites

Sikhosana

Gumede

Malebo

et al. 2023

Polymer Engineering & Sci

View full text Add to dashboard Cite

Among the commonly studied organic fillers for PLA, cellulose is the most promising. It is available in various particle sizes and sources, providing numerous options for finding a suitable match for PLA matrices. In this study, cellulose was extracted from the leaves of E. autumnalis to create a novel PLA/cellulose composite. Based on a distinguished cellulose spectrum, EA cellulose was incorporated into a PLA matrix. According to SEM results, adding 3.0 wt% EA cellulose to PLA resulted in no fiber pull‐outs. Below this content, fiber pull‐outs were observed. FTIR and TGA results indicated no significant changes in chemical structure and thermal stability of the composites. XRD, DSC, and Tensile testing results revealed an increase in the crystallinity and modulus for the 3.0 wt% composites, below this content, the crystallinity and modulus of the samples were low. Therefore, in order to obtain the composition of the composite with the desired functional properties, the ratio of the PLA to EA cellulose plays a vital role, and these have to be controlled for more effective functional properties. This study has shown that blending PLA with EA cellulose can give improved properties at 3.0 wt% EA cellulose although not optimized.

show abstract

Multicomponent Polymer Systems Based on Agro-Industrial Waste

Tanasă¹,

Teacă²,

Nechifor³

et al. 2021

Bioplastics for Sustainable Development

View full text Add to dashboard Cite

Water–soluble extracts from banana pseudo–stem as functional additives for polylactic acid: Thermal and mechanical investigations

Cited by 13 publications

References 47 publications

Flame retardancy and thermal stability of agricultural residue fiber‐reinforced polylactic acid: A Review

Flame retardancy and thermal stability of agricultural residue fiber‐reinforced polylactic acid: A Review

The influence of cellulose content on the morphology, thermal, and mechanical properties of poly(lactic acid)/Eucomis autumnaliscellulose biocomposites

Multicomponent Polymer Systems Based on Agro-Industrial Waste

Contact Info

Product

Resources

About