Lignin Based Functional Additives for Natural Rubber

Davide Barana, Marco Orlandi, Luca Zoia*, Luca Castellani, Thomas Hanel, Christiaan Bolck, Richard Gosselink

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)

Abstract

In this work, the possibility to conveniently exploit lignin as a functional additive for natural rubber was pursued following two strategies. The first was based on the fractionation of lignin: extraction with organic solvents is suitable to produce lignin fractions with better defined structural features, molecular weight distributions, and physicochemical properties. The second approach was based on the chemical modification of lignin in the attempt to overcome its poor affinity with the rubber: esterification with anhydrides was selected to modify relatively large samples of lignin at laboratory scale. The effectiveness of different modifications of lignin as a drop-in replacement for carbon black was evaluated analyzing the tensile mechanical properties of model elastomeric compounds. In addition, the behavior of the modified lignins was rationalized through Hansen solubility parameters predicted with the group-contribution method.

Original languageEnglish
Pages (from-to)11843-11852
Number of pages10
JournalACS Sustainable Chemistry and Engineering
Volume6
Issue number9
DOIs
Publication statusPublished - 4 Sep 2018

Fingerprint

Lignin
Rubber
rubber
lignin
Soot
Anhydrides
Chemical modification
Esterification
physicochemical property
Molecular weight distribution
Fractionation
black carbon
Carbon black
additive
Organic solvents
mechanical property
solubility
fractionation
Solubility
replacement

Keywords

  • Chemical modification
  • Fractionation
  • Lignin valorization
  • Natural rubber
  • Solubility parameters

Cite this

Barana, Davide ; Orlandi, Marco ; Zoia, Luca ; Castellani, Luca ; Hanel, Thomas ; Bolck, Christiaan ; Gosselink, Richard. / Lignin Based Functional Additives for Natural Rubber. In: ACS Sustainable Chemistry and Engineering. 2018 ; Vol. 6, No. 9. pp. 11843-11852.
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Lignin Based Functional Additives for Natural Rubber. / Barana, Davide; Orlandi, Marco; Zoia, Luca; Castellani, Luca; Hanel, Thomas; Bolck, Christiaan; Gosselink, Richard.

In: ACS Sustainable Chemistry and Engineering, Vol. 6, No. 9, 04.09.2018, p. 11843-11852.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Lignin Based Functional Additives for Natural Rubber

AU - Barana, Davide

AU - Orlandi, Marco

AU - Zoia, Luca

AU - Castellani, Luca

AU - Hanel, Thomas

AU - Bolck, Christiaan

AU - Gosselink, Richard

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AB - In this work, the possibility to conveniently exploit lignin as a functional additive for natural rubber was pursued following two strategies. The first was based on the fractionation of lignin: extraction with organic solvents is suitable to produce lignin fractions with better defined structural features, molecular weight distributions, and physicochemical properties. The second approach was based on the chemical modification of lignin in the attempt to overcome its poor affinity with the rubber: esterification with anhydrides was selected to modify relatively large samples of lignin at laboratory scale. The effectiveness of different modifications of lignin as a drop-in replacement for carbon black was evaluated analyzing the tensile mechanical properties of model elastomeric compounds. In addition, the behavior of the modified lignins was rationalized through Hansen solubility parameters predicted with the group-contribution method.

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