Gas-phase crosslinking of the lignin on the nanoscale fumed silica surface
DOI:
https://doi.org/10.15330/pcss.22.4.724-728Keywords:
fumed nanosilica, lignin, polymerization modification, adsorption modification, mechanical treatment, gas-phase crosslinkingAbstract
A method for the polymerization modification of nanoscale fumed silica by crosslinking a lignin layer adsorbed on a nanosilica surface under a gas dispersion medium is described. A mixture of phenol and formaldehyde in the presence of HCl proved to be the most effective crosslinking agent. It has been suggested that the crosslinking of lignin molecules occurs by a mechanism similar to the production of phenol-formaldehyde resins.
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