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FIGALLA, S. JAŠEK, V. FUČÍK, J. MENČÍK, P. PŘIKRYL, R.
Original Title
Poly(lactide) Upcycling Approach through Transesterification for Stereolithography 3D Printing
Type
journal article in Web of Science
Language
English
Original Abstract
The legislature determines the recycled and waste contents in fabrication processes to ensure more sustainable production. PLA's mechanical recycling and reuse are limited due to the performance decrease caused by thermal or hydrolytic instability. Our concept introduces an upcycling route involving PLA depolymerization using propylene glycol as a reactant, followed by the methacrylation, assuring the liquid systems' curability provided by radical polymerization. PLA-containing curable systems were studied from a rheological and thermomechanical viewpoint. The viscosity levels varied from 33 to 3911 mPas at 30 degrees C, giving a wide capability potential. The best system reached 2240 MPa storage modulus, 164.1 degrees C glass-transition temperature, and 145.6 degrees C heat-resistant index, competitive values to commercial systems. The printability was verified for all of the systems. Eventually, our concept led to SLA resin production containing PLA waste content up to 51 wt %.
Keywords
3D printing, Biopolymers, Hydroxyls, Organic polymers, Plastics
Authors
FIGALLA, S.; JAŠEK, V.; FUČÍK, J.; MENČÍK, P.; PŘIKRYL, R.
Released
2. 10. 2024
Publisher
AMER CHEMICAL SOC
Location
WASHINGTON
ISBN
1525-7797
Periodical
BIOMACROMOLECULES
Year of study
25
Number
10
State
United States of America
Pages from
6645
Pages to
6655
Pages count
11
URL
https://pubs.acs.org/doi/full/10.1021/acs.biomac.4c00840
BibTex
@article{BUT189846, author="Silvestr {Figalla} and Vojtěch {Jašek} and Jan {Fučík} and Přemysl {Menčík} and Radek {Přikryl}", title="Poly(lactide) Upcycling Approach through Transesterification for Stereolithography 3D Printing", journal="BIOMACROMOLECULES", year="2024", volume="25", number="10", pages="6645--6655", doi="10.1021/acs.biomac.4c00840", issn="1525-7797", url="https://pubs.acs.org/doi/full/10.1021/acs.biomac.4c00840" }