Effect of Recycling on the Cellular Structure of Polylactide in a Batch Process

The aim of the work is to demonstrate the possibility of using recycled biodegradable material as a cellular material with a reduced weight. An experimental study on the influence of recycling on the properties and foam ability of polylactide (PLA) was carried out. The influence of recycling on the...

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Bibliographic Details
Published in:Cellular polymers 2018-03, Vol.37 (2), p.69-79
Main Authors: Ludwiczak, Joanna, Frąckowiak, Stanisław, Łużny, Rafał
Format: Article
Language:English
Subjects:
Biodegradability
Biodegradable materials
Cellular structure
Crystal structure
Crystallinity
Degree of crystallinity
Mechanical properties
Polylactic acid
Recycled materials
Recycling
Viscoelasticity
Weight reduction
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Summary:The aim of the work is to demonstrate the possibility of using recycled biodegradable material as a cellular material with a reduced weight. An experimental study on the influence of recycling on the properties and foam ability of polylactide (PLA) was carried out. The influence of recycling on the polymer crystallinity, thermal and viscoelastic properties was investigated. During the batch process the cellular structure in PLA and recycled PLA were created. A higher degree of crystallinity, a lower viscosity value and a lower melt strength for recycled PLA, as compared to original material, were observed. For the recycled PLA, a fine cellular structure and low density (0.60 g/cm3) were obtained.
ISSN:0262-4893
1478-2421
DOI:10.1177/026248931803700202