Effect of Recycling and UV Ageing on the Properties of PLA-Based Materials Used in Additive Manufacturing

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F44555601%3A13420%2F25%3A43899650" target="_blank" >RIV/44555601:13420/25:43899650 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60460709:41310/25:101863

Výsledek na webu

<a href="https://www.mdpi.com/2073-4360/17/13/1862" target="_blank" >https://www.mdpi.com/2073-4360/17/13/1862</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/polym17131862" target="_blank" >10.3390/polym17131862</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Effect of Recycling and UV Ageing on the Properties of PLA-Based Materials Used in Additive Manufacturing

Popis výsledku v původním jazyce

This article focuses on the possibility of using biodegradable polymer-composite materials in additive manufacturing via fused deposition modelling (FDM) 3D printing. The main objective was to experimentally verify the technical feasibility of the repeated use of recycled PLA and PLA composites containing 10% natural coffee-ground (CG) filler in a print-degradation-recycling-print cycle. Special attention was paid to simulated ultraviolet radiation as a degradation factor affecting the materials&apos; mechanical properties. Pure PLA and PLA_CG were compared at four levels of degradation time and after subsequent recycling. The results show that the inclusion of coffee-ground filler slightly reduces the initial strength but enhances the 3D-printed material&apos;s resistance to UV degradation and thus extends its functional service life. Unlike pure PLA, which loses its processability after 12 weeks, PLA_CG retains structural integrity and mechanical functionality. The research confirms the potential of recycled PLA composites with natural fillers for sustainable manufacturing and supports their use within a circular economy framework.

Název v anglickém jazyce

Effect of Recycling and UV Ageing on the Properties of PLA-Based Materials Used in Additive Manufacturing

Popis výsledku anglicky

This article focuses on the possibility of using biodegradable polymer-composite materials in additive manufacturing via fused deposition modelling (FDM) 3D printing. The main objective was to experimentally verify the technical feasibility of the repeated use of recycled PLA and PLA composites containing 10% natural coffee-ground (CG) filler in a print-degradation-recycling-print cycle. Special attention was paid to simulated ultraviolet radiation as a degradation factor affecting the materials&apos; mechanical properties. Pure PLA and PLA_CG were compared at four levels of degradation time and after subsequent recycling. The results show that the inclusion of coffee-ground filler slightly reduces the initial strength but enhances the 3D-printed material&apos;s resistance to UV degradation and thus extends its functional service life. Unlike pure PLA, which loses its processability after 12 weeks, PLA_CG retains structural integrity and mechanical functionality. The research confirms the potential of recycled PLA composites with natural fillers for sustainable manufacturing and supports their use within a circular economy framework.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

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OECD FORD obor

20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Polymers

ISSN

2073-4360

e-ISSN

2073-4360

Svazek periodika

17

Číslo periodika v rámci svazku

13

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

8

Strana od-do

1-28

Kód UT WoS článku

001526146700001

EID výsledku v databázi Scopus

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