Publication result detail

Poly(lactide) Upcycling Approach through Transesterification for Stereolithography 3D Printing

FIGALLA, S.; JAŠEK, V.; FUČÍK, J.; MENČÍK, P.; PŘIKRYL, R.

Original Title

Poly(lactide) Upcycling Approach through Transesterification for Stereolithography 3D Printing

English Title

Poly(lactide) Upcycling Approach through Transesterification for Stereolithography 3D Printing

Type

WoS Article

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 %.

English 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

Key words in English

3D printing, Biopolymers, Hydroxyls, Organic polymers, Plastics

Authors

FIGALLA, S.; JAŠEK, V.; FUČÍK, J.; MENČÍK, P.; PŘIKRYL, R.

RIV year

2025

Released

02.10.2024

Publisher

AMER CHEMICAL SOC

Location

WASHINGTON

ISBN

1525-7797

Periodical

BIOMACROMOLECULES

Volume

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

Full text in the Digital Library

http://hdl.handle.net/11012/250719

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"
}

Documents

figalla-et-al-2024