Techno-economic and life cycle assessment of lignin-based blended resin for 3D printing

被引：1

作者：

Ahire, J. P. ^{[1
,2
]}

Bergman, R. ^{[1
]}

Runge, T. ^{[2
]}

Chmely, S. C. ^{[3
]}

机构：

[1] USDA, Forest Serv, Forest Prod Lab, Madison, WI 53726 USA

[2] Univ Wisconsin Madison, Dept Biol Syst Engn, Madison, WI 53706 USA

[3] Penn State Univ, Dept Agr & Biol Engn, University Pk, PA 16802 USA

来源：

INDUSTRIAL CROPS AND PRODUCTS | 2025年 / 227卷

基金：

美国食品与农业研究所;

关键词：

Kraft lignin; Epoxy Resin; Resin; Techno-economic analysis; Life cycle assessment;

D O I：

10.1016/j.indcrop.2025.120803

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

As CO2 emissions reach record highs, finding renewable, low-cost, and low-carbon alternatives to fossil fuelbased products is critical. This study examines the techno-economic and life cycle assessment (TEA-LCA) of lignin-based blended resin for 3D printing, investigating lignin, a renewable and affordable resource, as an alternative to petroleum-derived resins. Kraft lignin was fractionated into a low molecular weight fraction and combined with commercial resin in a 9:1 ratio or 10% by weight. TEA estimated the production cost of the resin at $38.43/kg with a minimum selling price of $38.85/kg for a 10 MT/batch plant. LCA results revealed a global warming impact of 6.64 kg CO2 eq/kg of resin, with highest emissions coming from the commercial epoxy resin. Utilizing higher percentages of lignin instead of the commercial resin could substantially lower both production costs and environmental impacts, providing a more sustainable option for 3D printing.

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页数：10

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