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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Fractionation, analysis, and PCA modeling of properties of four technical lignins for prediction of their application potential in binders
Gosselink, R.J.A. ; Dam, J.E.G. van; Jong, E. de; Scott, E.L. ; Sanders, J.P.M. - \ 2010
Holzforschung 64 (2010)2. - ISSN 0018-3830 - p. 193 - 200.
kraft lignin - standardization - adhesives - resin
Functional properties of technical lignins need to be characterized in more detail to become a higher added value renewable raw material for the chemical industry. The suitability of a lignin from different plants or trees obtained by different technical processes can only be predicted for selected applications, such as binders, if reliable analytical data are available. In the present paper, structure dependent properties of four industrial lignins were analyzed before and after successive organic solvent extractions. The lignins have been fractionated according to their molar mass by these solvents extractions. Kraft and soda lignins were shown to have different molar mass distributions and chemical compositions. Lignin carbohydrate complexes are most recalcitrant for extraction with organic solvents. These poorly soluble complexes can consist of up to 34% of carbohydrates in soda lignins. Modeling by principle component analysis (PCA) was performed aiming at prediction of the application potential of different lignins for binder production. The lignins and their fractions could be classified in different clusters based on their properties, which are structure dependent. Kraft softwood lignins show the highest potential for plywood binder application followed by hardwood soda lignin and the fractions of Sarkanda grass soda lignin with medium molar mass. Expectedly, the softwood lignins contain the highest number of reactive sites in ortho positions to the phenolic OH group. Moreover, these lignins have a low level of impurities and medium molar mass.
Ecobinders, Lignin modification for application in adhesives and coatings
Dam, Jan van - \ 2005
adhesives - coatings - lignin - modification - properties - chemical structure - biobased economy - chemical engineering
Kick-off meeting EUROLIGNIN : September 19-20 2002, Evian-les-Bains, France
Gosselink, Richard - \ 2002
toepassingen - applications - research - kleurstoffen (dyes) - stralingsbeschermingsmiddelen - radiation protection agents - eigenschappen - lignine - properties - onderzoek - hechtmiddelen - Non-food Products (General) - coatings - adhesives - dyes - lignin - afdeklagen - biobased economy - Non-food producten (algemeen) - toepassingen - applications - research - kleurstoffen (dyes) - stralingsbeschermingsmiddelen - radiation protection agents - eigenschappen - lignine - properties - onderzoek - hechtmiddelen - Non-food Products (General) - coatings - adhesives - dyes - lignin - afdeklagen - biobased economy - Non-food producten (algemeen)
Presentatie aan het begin van het project EUROLIGNIN. Er wordt onderzoek gedaan naar verschillende toepassingen van lignine.
Eiwit uit petroleum
Anonymous, - \ 1970
Wageningen : [s.n.] (Literatuurlijst / Centrum voor landbouwpublikaties en landbouwdocumentatie no. 3180)
mineraaloliën - aardolie - hechtmiddelen - gommen - eiwitten - oliën - vetten - wassen (waxes) - harsen - bibliografieën - petrochemische industrie - mineral oils - petroleum - adhesives - gums - proteins - oils - fats - waxes - resins - bibliographies - petrochemical industry
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