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a complex polymer

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Browse full research report with TOC on "Lignin Market Analysis By Product (Ligno-sulphonates, Kraft Lignin, Organosolv Lignin, High Purity Lignin) By Application (Macromolecules, Aromatics) And Segment Forecasts To 2022" at: http://www.
In one example, vanillin is extracted from lignin and condensed with acetic anhydride to form acetylferulic acid, and reduced to acetyldihydroferulic acid with hydrogen.
Of the total global lignin market lignosulphonate holds maximum share in terms of production.
Lignin is a key raw material in conventional and mid-range water reducers, retarders, and other concrete admixtures.
Until now, three approaches for preparing lignin-containing epoxy resin were summarized as follows [10]: (a) lignin as filler and epoxy resin as blender [11-13]; (b) synthesizing with alkaline lignin and epichlorohydrin [14, 15]; (c) synthesizing with modified lignin [16, 17] (lignin and its derivatives previously modified by chemical methods such as phcnolation, hydroxymcthlation, or hydroxypropylation [18, 19]) and epichlorohydrin.
Any partial replacement of phenol by a lower cost product such as lignin, which is a renewable material, could result in a cost reduction for resin manufacturers and an increase of their profit with less negative impact on the environment.
They reported that NaOH was effective to reduce lignin content and increase cellulose content, and found that increasing temperature and concentration of NaOH decreased lignin content.
Lignin is a tough and highly complex molecule that gives the plant cell wall its rigid structure.
Rather than trying to develop more sophisticated enzymes to break down the lignin with less waste, he has considered an even more fundamental approach--modify it in plants.
Bill, John, Sheila, Petri--do you remember lignin from your paper days?
A research project led by Biome Bioplastics has demonstrated the feasibility of extracting organic chemicals from lignin for the manufacture of bioplastics.
In the journal Angewandte Chemie, German researchers have introduced a process based on a tandem reaction that could reduce the oxygen content of both lignin and bio-oils under unusually mild conditions.
Tokyo, Apr 14, 2014 - (JCN) - Kaneka Corporation in a joint research project with Keiji Numata, team leader of the Enzyme Research Team, Biomass Engineering Program Cooperation Division, Center for Sustainable Resource Science, RIKEN, and team, have successfully biosynthesized polyhydroxyalkanoic acid (PHA), a type of bioplastic, generated by microorganisms using degradation products of lignin, a plentiful component found in wood, as a carbon source.
Scientists made the BPA alternative from lignin, the compound that gives wood its strength, and they say it could be ready for the market within five years.