An eco-friendly and efficient route of lignin extraction from black liquor and a lignin-based copolyester synthesis

Luong, Nguyen Dang; Thi, Thanh Binh Nguyen; Duong, Le Dai; Kim, Dong Ouk; Kim, Daesik; Lee, Seong Hoon; Kim, Baek Jin; Lee, Yong Sang; Nam, Jae‐Do

doi:10.1007/s00289-011-0658-x

Cited by 57 publications

(40 citation statements)

References 22 publications

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“…The black liquor that we used in this study was provided by Moorim Pulp & Paper Co. (South Korea) and we extracted kraft lignin from black liquor using our own method43. Acetic anhydride, pyridine, tetrahydrofuran (THF), and chloroform (CF) were purchased from Sigma-Aldrich.…”

Section: Methodsmentioning

confidence: 99%

All Biomass and UV Protective Composite Composed of Compatibilized Lignin and Poly (Lactic-acid)

Kim

Suhr

Seo

et al. 2017

Sci Rep

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Utilization of carbon-neutral biomass became increasingly important due to a desperate need for carbon reduction in the issue of global warming in light of replacing petroleum-based materials. We used lignin, which was an abundant, low cost, and non-food based biomass, for the development of all biomass-based films and composites through reactive compatibilization with poly (lactic-acid) (PLA). Using a facile and practical route, the hydrophilic hydroxyl groups of lignin were acetylated to impose the compatibility with PLA. The solubility parameter of the pristine lignin at 26.3 (J/cm3)0.5 was altered to 20.9 (J/cm3)0.5 by acetylation allowing the good compatibility with PLA at 20.2 (J/cm3)0.5. The improved compatibility of lignin and PLA provided substantially decreased lignin domain size in composites (12.7 μm), which subsequently gave transparent and UV-protection films (visual transmittance at 76% and UV protection factor over 40). The tensile strength and elongation of the developed composite films were increased by 22% and 76%, respectively, and the biobased carbon content was confirmed as 96 ± 3%. The developed PLA/lignin composites provided 100% all-biomass contents and balanced optical and mechanical properties that could broaden its eco-friendly applications in various industries.

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Section: Methodsmentioning

confidence: 99%

All Biomass and UV Protective Composite Composed of Compatibilized Lignin and Poly (Lactic-acid)

Kim

Suhr

Seo

et al. 2017

Sci Rep

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“…The lignin content was only 35 % [129]. Recently, Luong et al [130] produced lignin-based polyesters using kraft lignin and sebacoyl chloride.…”

Section: Esterificationmentioning

confidence: 99%

Conversion of technical lignins to functional materials with retained polymeric properties

Matsushita

2015

J Wood Sci

157

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A significant amount of technical lignins is produced in the pulp and paper industries. However, most technical lignins are burned for thermal recycling and a few percent are used as materials, such as lignosulfonate as a dispersant. Native lignin has a highly complex structure and is susceptible to structural variations depending on the pulping process, thus hindering the effective utilization of lignins. The procedures used to convert lignins into functional materials include depolymerization to monomeric fragments followed by re-building to functional materials, and chemical modifications to generate functional polymers with retained polymeric properties. In this paper, the latter is disserted. The characteristics of technical lignins, which include kraft lignin, lignosulfonate, and organosolv lignin, and their conversion to functional materials such as polyesters, polyethers, polyurethanes, etc. and the applications of lignin-based materials in some fields are discussed.

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“…Generally, the transformation of lignocellulosic biomass into value-added products may require pretreatment, dissolution and extraction of the major components of lignocellulosic biomass, which faces, however a problem of being recalcitrant during pretreatment and dissolution, whilst maintaining efficient energy and green processing technologies. The pretreatment and dissolution of lignocellulosic biomass using various types of solvents followed by fractionation into its major components are the most common approaches, which in many cases are not sufficiently eco-friendly (Luong et al, 2012). For instance, the hydrolysis of lignocellulosic materials to extract lignin using mineral acid is strongly dependent on the acid concentration.…”

Section: Introductionmentioning

confidence: 99%

Extraction and characterization of lignin from oil palm biomass via ionic liquid dissolution and non-toxic aluminium potassium sulfate dodecahydrate precipitation processes

Mohtar

Busu

Noor

et al. 2015

Bioresource Technology

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An eco-friendly and efficient route of lignin extraction from black liquor and a lignin-based copolyester synthesis

Cited by 57 publications

References 22 publications

All Biomass and UV Protective Composite Composed of Compatibilized Lignin and Poly (Lactic-acid)

All Biomass and UV Protective Composite Composed of Compatibilized Lignin and Poly (Lactic-acid)

Conversion of technical lignins to functional materials with retained polymeric properties

Extraction and characterization of lignin from oil palm biomass via ionic liquid dissolution and non-toxic aluminium potassium sulfate dodecahydrate precipitation processes

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