Copolymerizing Lignin for Tuned Properties of 3D-Printed PEG-Based Photopolymers DOI Creative Commons

Ana Laura Ruiz Deance,

Bjorn Siersema,

Laurine Eleonora Anne-Catherine Yoe

et al.

ACS Applied Polymer Materials, Journal Year: 2023, Volume and Issue: 5(12), P. 10021 - 10031

Published: Nov. 7, 2023

The global emphasis on environmental conservation has sparked the exploration for alternative materials to replace nonrenewable petroleum-based products. With abundant lignocellulosic biomass, there is a growing focus designing biobased polymers with enhanced properties. In this work, we prepared lignin-containing copolymer macrostructures by 3D printing of poly(ethylene glycol) diacrylate (PEGDA) and methacrylated Kraft lignin. Studied lignin loading up 10 w/v %. Liquid crystal display stereolithography was used print models varying complexities sizes. We demonstrate that can be thoroughly dissolved within polyPEGDA matrix. This enables adjustment light shielding, mechanical performance, antioxidant activity in final high-resolution 3D-printed materials. Adding just 1 % lignin-based component translucent (visible light) brittle reduces transmittance visible only 30% (at 550 nm). Additionally, it improves elongation at break factor 1.5 when compared pure PEGDA-based resins. Moreover, properties further enhance materials, resulting approximately 40% activity. under study then considered as structures block inhibit oxygen, making them suitable applications biotechnology.

Language: Английский

From waste to resource: advancements in sustainable lignin modification DOI Creative Commons

Celeste Libretti,

Luis Santos Correa, Michaël A. R. Meier

et al.

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(8), P. 4358 - 4386

Published: Jan. 1, 2024

An overview on lignin modification and applications possibilities is provided. Importantly, a quantitative comparison of all discussed literature procedures in terms sustainability included.

Language: Английский

Citations

32
Valorization of wheat straw through enhancement of cellulose accessibility, xylan elimination and lignin removal by choline chloride:p-toluenesulfonic acid pretreatment DOI
Qianqian Gao,

Zhengyu Tang,

Yu-Cai He

et al.

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: unknown, P. 140335 - 140335

Published: Jan. 1, 2025

Language: Английский

Citations

3
Preparation, characterization, and application of waterborne lignin-based epoxy resin as eco-friendly wood adhesive DOI

Meiyu Huo,

Jian Chen, Can Jin

et al.

International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: 259, P. 129327 - 129327

Published: Jan. 12, 2024

Language: Английский

Citations

13
Recent Advances in Characterization and Valorization of Lignin and Its Value-Added Products: Challenges and Future Perspectives DOI Creative Commons
Shehbaz Ali, Abida Rani, Mudasir A. Dar

et al.

Biomass, Journal Year: 2024, Volume and Issue: 4(3), P. 947 - 977

Published: Sept. 2, 2024

Lignin, the earth’s second-most abundant biopolymer after cellulose, has long been relegated to low-value byproducts in pulp and paper industry. However, recent advancements valorization are transforming lignin into a sustainable versatile feedstock for producing high-value biofuels, bioplastics, specialty chemicals. This review explores conversion of lignin’s complex structure, composed syringyl (S), guaiacyl (G), p-hydroxyphenyl (H) units, value-added products. We critically assess various biochemical analytical techniques employed comprehensive characterization. Additionally, we explore strategies upgrading functionalization enhance its suitability advanced biomaterials. The emphasizes key areas valorization, including catalytic depolymerization methods, along with associated challenges advancements. discuss potential as diverse products such carbon fibers, adhesives, phenolic compounds. Furthermore, briefly inherent properties UV protectant antioxidant, alongside incorporation polymer blends composites. By presenting case studies from literature, this highlights significant economic environmental benefits waste reduction, lower greenhouse gas emissions, decreased reliance on non-renewable resources. Finally, address future perspectives achieving large-scale, techno-economically feasible, environmentally valorization.

Language: Английский

Citations

12
Cross-curricular project-based laboratory learning enables hands-on interdisciplinary education for chemical engineering students DOI
Arno de Reviere, Bram Jacobs,

Ingeborg Stals

et al.

Education for Chemical Engineers, Journal Year: 2024, Volume and Issue: 47, P. 1 - 9

Published: Jan. 17, 2024

Language: Английский

Citations

7
Bio�Cbased polymers from lignin DOI
Bowen Zhang,

Guorui Qiang,

Katalin Barta

et al.

The Innovation Materials, Journal Year: 2024, Volume and Issue: 2(2), P. 100062 - 100062

Published: Jan. 1, 2024

<p>Lignin, the most abundant natural aromatic compound on earth, offers valuable resources for development of bio–based polymers. In recent years, a plethora diverse polymer materials has been reported using either separated lignin or lignin–derived monomers. this review, we present comprehensive summary achievements and compare these two well–known strategies. While utilizing directly as starting advantages in terms cost–effectiveness wider options, employing monomers suffer from higher costs limited structural variety. However, well–defined structure lignin-derived monomers, retention functional group characteristics make promising strategy future applications. Through review paper, aim to inspire more researchers material science focus lignin—an intriguing emerging carbon-neutral biomaterial.</p>

Language: Английский

Citations

7
Recent Advances of Lignin Functionalization for High-Performance and Advanced Functional Rubber Composites DOI

Zhengzhe Wu,

Xiran Lin,

Jiye Teng

et al.

Biomacromolecules, Journal Year: 2023, Volume and Issue: 24(11), P. 4553 - 4567

Published: Oct. 9, 2023

The biomass lignin is the only large-volume renewable feedstock that composed of aromatics but has been largely underutilized and sought for valorization as a value-added material. Recent research highlighted promising alternative to traditional petrol-based reinforcements functional additives rubber composites. This review summarized recent advances in functionalization variety composites, well compounding techniques effectively dispersing within matrix. Significant progress achieved development high-performance advanced rubber/lignin composites through carefully designing structure lignin-based optimization interfacial morphologies. Review discussed effect on composite properties, including mechanical reinforcement, dynamic antiaging performance, oil resistance, also stimuli-responsive performance detail. A critical analysis future presented concluding remarks.

Language: Английский

Citations

16
Oxidative Carboxylation of Lignin: Exploring Reactivity of Different Lignin Types DOI Creative Commons
Fika Andriani, Martin Lawoko

Biomacromolecules, Journal Year: 2024, Volume and Issue: 25(7), P. 4246 - 4254

Published: June 13, 2024

The increased interest in the utilization of lignin biobased applications is evident from rise valorization studies. present study explores responsiveness toward oxidative using acetic acid and hydrogen peroxide. pristine lignins their oxidized equivalents were analyzed comprehensively NMR SEC. revealed ring opening phenolic rings yielding muconic acid- ester-end groups side-chain oxidations benzylic hydroxyls. Syringyl units more responsive to these reactions than guaiacyl units. high selectivity reaction yielded oligomeric oxidation products with a narrower dispersity lignins. Mild alkaline hydrolysis methyl esters enhanced carboxylic content lignin, presenting potential adjust lignin. While are well documented, this showed feasibility employing optimized conditions engineer tailored lignin-based material precursors.

Language: Английский

Citations

6
Chloromethylation of Lignin as a Route to Functional Material with Catalytic Properties in Cross‐Coupling and Click Reactions DOI
Mahendra K. Mohan, Oleg Silenko, Illia Krasnou

et al.

ChemSusChem, Journal Year: 2024, Volume and Issue: 17(8)

Published: Jan. 27, 2024

Abstract We present a novel, greener chloromethylation procedure for organosolv aspen lignin under mild reaction conditions without Lewis acid as catalyst and in acetic solvent. This synthetic protocol provides reliable approach to chloromethylated (CML) means obtain valuable derivatives. The resulted CML was subsequently transformed into 1‐methylimidazolium (ImL), which effectively serves stabilizing agent Pd/CuO nanoparticles (Pd/CuO−NPs). To evaluate the versatility of developed lignin‐based catalyst, we investigate its performance series carbon‐carbon bond formation reactions, including Suzuki‐Miyaura, Sonogashira, Heck azide‐alkyne cycloaddition (click) reaction. Remarkably, this exhibited high degree catalytic efficiency, resulting reactions with yields ranging from average excellent. heterogeneous demonstrated outstanding recyclability, enabling reuse at least 10 consecutive cycles, consistently falling within range 42 % 84 %. A continuous flow reactor cartridge prototype employing Lignin@Pd/CuO−NPs developed, yielding results comparable those achieved batch reactions. utilization showcases potential facilitate diverse underscores promising aligning green chemistry metrics principles sustainability chemical processes.

Language: Английский

Citations

5
Design and process study of chiral separation of (2S,4S)-1-(tert-butoxy carbonyl)-4-(methoxymethyl) pyrrolidine-2-carboxylic acid for green manufacturing DOI
Shuwang Ge,

Meng-Yun Fu,

De Shun Gu

et al.

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(5), P. 2673 - 2683

Published: Jan. 1, 2024

A novel scaled-up effective approach for chiral separation of (2 S ,4 )-1-( tert -butoxy carbonyl)-4-(methoxymethyl) pyrrolidine-2-carboxylic acid ((2 )-TBMP) in water.

Language: Английский

Citations

4