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.

    We have a manual that explains all the features 

Record number 550750
Title Lignin-based bio-asphalt
Author(s) Landa, P.A.; Gosselink, R.J.A.
Source Octrooinummer: WO2019092278, verleend: 2019-05-16.
Department(s) VLAG
BBP Biorefinery & Sustainable Value Chains
Publication type Patent
Publication year 2019
Abstract The present invention relates to a composition comprising bitumen; optionally vegetable oil or derivative thereof; and a lignin preparation, wherein the lignin preparation is characterized by a lignin purity of 60-100 wt.% with respect to the weight of the lignin preparation; and a lignin average molecular weight of 1000-5000 g/mol. The composition may be an asphalt binder composition or asphalt composition. Accordingly, the present invention also relates to a paving or roofing comprising the composition of the invention.Further, the present invention relates to a method of preparing an asphalt composition, comprising mixing bitumen with filler material, adding lignin preparation and vegetable oil to the mixture obtained, preferably wherein the lignin preparation and the vegetable oil are added simultaneously.
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