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The possible functions for speciality chemicals are numerous: anti-oxidant, anti-microbial (more specifically anti-bacterial, anti-viral, anti-fungi but also anti-algae effects), fluorescence, complex forming (chelates, sequestings agents, bioremediation of polluted land), ion exchange resins, anti-fouling, anti-scaling, radical scavengers, flame retardants, UV-stabilisers, lubricants, coatings, slow release, binding (adhesion, agglomeration), surfactants (emulsification, dispersion, foaming and anti-foaming, flocculants), absorption and adsorption (products with naturally high active surface, or that are artificially improved like biomass derived active carbons). |
Most of these functions are natural properties used by nature to help the living beings to better survive in a hostile environment where such functions have to be efficient as protective mechanisms. One of the interests of lignin based products is to combine several of these functions in one molecule, as it is the case for lignin in nature. |
| Running Update |
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New lignin chemicals and applications: new uses in petroleum recovery (Proceedings Reprint)
ILI Forum 5, Bordeaux 2000
D. G. Naae- Texaco Upstream Technology, Bellaire, U.S.A. |
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Product synthesis, polymer characterization and applications testing of Lignin graft copolymers (Proceedings Reprint)
ILI Forum 5, Bordeaux 2000
John J. Meister - Center for Forst Products Research, Inc. Seven Technology Center Albquerque, U.S.A. |
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Sulfur-free Lignin from alkaline pulping as emulsifiers (Proceedings Reprint)
ILI Forum 5, Bordeaux 2000
P. Käuper, A. Nadif, D. Hunkeler - Swiss Federal Institute of Technology, Lausanne, Switzerland |
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The simultaneous colouring and U.V. stabilisation of materials using dyed Lignin (Proceedings Reprint)
ILI Forum 5, Bordeaux 2000
E. de Jong, E. Scott, R.J.A. Gosselink, J.E.G. van Dam - Agrotechnology and Food Innovations B.V. (A&F), Wageningen, The Netherlands |
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Applicability of a free radical (DPPH*) method for estimation of antioxidant activity of Lignin and its derivatives (Proceedings Reprint)
ILI Forum 5, Bordeaux 2000
G. Telysheva, T. Dizhbite, D. Tirzite, V. Jurkjane - Latvian State Institute of Wood Chemistry, Riga |
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Study of the antioxidant capacity of Miscanthus Sinensis Lignin (Poster)
Italic 5 and COST FP0602, Varenna Italy, 2009
A. García, A. Toledano, I. Egües, , R. Briones, A. Andrés, J. Labidi - University of the Basque Country, San Sebastian, Spain
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A new robust antioxidant activity measuring method based on laccase oxidation of syringaldazine (Slides)
Biorenew project, INTB Ghent 2009
G. Nyanhongo, T. Kudanga, E.N. Prasetyo, G. Guebitz- Graz University of Technology, Austria |
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Laccase catalysed coupling of functional molecules onto lignocellulose material (Slides)
Biorenew project, INTB Ghent 2009
G. Nyanhongo, T. Kudanga, E.N. Prasetyo, G. Guebitz- Graz University of Technology, Austria |
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Lignin as additive in paper production (Slides)
KCPK-workshop "Additives in Paper and Board", Eindhoven, The Netherlands, 2005
E. de Jong, R.J. A. Gosselink - Agrotechnology and Food Innovations B.V. (A&F), Wageningen, The Netherlands |
| Recent Postings |
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Radical scavenging capacity of Lignin derivatives and its oxidative stabilization effect on polyethylene (Slides)
ILI Workshop, Zürich/Dübendorf 2008
P. N. Diouf, H. Nadji, T. Stevanovic, B. Riedl, A. Koubaa and
A. Benaboura - Laval University, Quebec, Canada
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Application of Kraft Lignin as metal binder (Poster)
Northern Wood Biorefinery Conference (NWBC), Stockholm 2008
R. Drougge, J. Waltersson, E. Sjöholm - INNVENTIA AB (ex-STFI), Stockholm, Sweden |
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Role of Lignin structure in foams formation and their stability (Proceedings Reprint)
ILI Forum 8, Rome 2007
R. Hernandez, J. Bullon - Universidad de Los Andes, Merida, Venezuela |
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Replacement of biocides by special low molecular Lignin based compounds for bacterial and deposit control of industrial water cycles (Proceedings Reprint)
ILI Forum 7, Barcelona 2005
Jörg Oberkofler, Mirteto, Camaiore, Italy |
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Surface activity of Lignin fractions isolated by organic solvents (Slides)
Surface activity of Lignin fractions isolated by organic solvents (Proceedings Reprint)
ILI Forum 7, Barcelona 2005
A.J. Rodriguez-Malaver, E. Acevedo, A.M. Gonzalez - Universidad de Los Andes, Merida, Venezuela
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Stabilization effect of microparticles of sulfate Lignin in water-oil emulsion (Slides)
Stabilization effect of microparticles of sulfate Lignin in water-oil emulsion (Proceedings Reprint)
ILI Forum 7, Barcelona 2005
N.I. Afanasiev, S.B. Selyanina,N.V. Selivanova, M.V.Trufanova, V.S. Shulgin, D.S. Kasyanov - Institute of Ecological Problems in the North, Arhangelsk, Russia
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Forecast of Lignosulfonates properties as surfactants (Proceedings Reprint)
ILI Forum 7, Barcelona 2005
N.I. Afanasiev, S.E. Teltevskaya - Institute of Ecological Problems in the North, Arhangelsk, Russia |
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Antioxidant activity of Lignin from black liquor (Proceedings Reprint)
ILI Forum 7, Barcelona 2005
A.J. Rodriguez-Malaver, E.M. Perez-Perez, N. Dmitrieva - Universidad de Los Andes, Merida, Venezuela
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Surface activity of Lignin fractions obtained at different pH values (Proceedings Reprint)
ILI Forum 7, Barcelona 2005
A.J. Rodriguez-Malaver, Y. Marcano, A.M. Gonzalez - Universidad de Los Andes, Merida, Venezuela
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Pressure impregnation of corrugated case materials with Lignin dispersions (Proceedings Reprint)
ILI Forum 6, Wageningen 2003
R.N. Jopson - Pira International, United Kingdom |
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Characterisation of structure-dependent functional properties of Lignin with infrared spectroscopy (Proceedings Reprint- including data on anti-oxidant properties)
ILI Forum 6, Wageningen 2003
C. G. Boeriu, R. Gosselink, J. van Dam - Agrotechnology and Food Innovations B.V. (A&F), Wageningen, The Netherlands
D. Bravo on leave at A&F from INRA, Paris-Grignon, France |
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