Preparation of PLA based biodegradable nanofibre films and their characterization

Gond, R. K.; Gupta, Manju Lata

doi:10.56042/ijftr.v46i1.36294

Cited by 1 publication

(1 citation statement)

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“…PLA films with multilayers of nano fibrillated celluloses (NFC) or carboxymethyl cellulose with a branched, cationic polyelectrolyte, polyethyleneimine are reported to show T400-800 >80 %, but no information on crystallinity is given 221,222 . NFC/PLA compound films have also been prepared, with T350: 91-77 % 223 , T350 10-75 % 224 , respectively, enhanced crystallinity and enhanced barrier properties [223][224][225] .…”

Section: Bio-based Additivesmentioning

confidence: 99%

Assessment of Polylactide as Optical Material

Kesting

Meyer

Seide

2023

Preprint

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Due to environmental concerns, interest in bioplastics is rising. For optical applications, materials have to meet high requirements. Polylactide (PLA), a known bioplastic, is already applied in high tech applications such as medicine. The material shows favorable optical properties and excellent resistance against photodegradation. However, the material turns hazy due to crystallization when exposed to temperatures above 55-60 °C. This renders it useless for optical applications. Clouding might be avoided by influencing PLA’s crystallization behavior. In this critical review the broad use of PLA is discussed. It is also shown, that currently no material is commercially available that meets all requirements set while being biodegradable and exclusively based on renewable feedstocks. Finally, an overview of the current state in research is provided, considering PLA-based materials with adapted crystallization behavior under the aspect of transparency. At last, recommendations for the goal of achieving highly sustainable PLA-based optical components are given.

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