Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 541259
Title Lignin Based Functional Additives for Natural Rubber
Author(s) Barana, Davide; Orlandi, Marco; Zoia, Luca; Castellani, Luca; Hanel, Thomas; Bolck, Christiaan; Gosselink, Richard
Source ACS sustainable chemistry & engineering 6 (2018)9. - ISSN 2168-0485 - p. 11843 - 11852.
DOI https://doi.org/10.1021/acssuschemeng.8b02145
Department(s) FBR Sustainable Chemistry & Technology
Biobased Products
VLAG
FBR BP Biorefinery & Sustainable Value Chains
Publication type Refereed Article in a scientific journal
Publication year 2018
Keyword(s) Chemical modification - Fractionation - Lignin valorization - Natural rubber - Solubility parameters
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.

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