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Cold‐setting wood adhesives from kraft hardwood lignin
Author(s) -
Truter P.,
Pizzi A.,
Vermaas H.
Publication year - 1994
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1994.070510719
Subject(s) - hardwood , lignin , kraft paper , adhesive , pulp and paper industry , materials science , yield (engineering) , kraft process , polymer science , organic chemistry , softwood , composite material , chemistry , polymer chemistry , botany , engineering , biology , layer (electronics)
The model compound used in this study, for hardwood kraft lignin, 3,5‐dimethoxy‐4‐hydroxyphenyl ethane, was successfully hydroxymethylated at the position meta to the aromatic hydroxy group. The consequent expectation that kraft hardwood lignin syringyl units can, under optimum conditions, also be hydroxymethylated to a substantial extent was confirmed in the present work and made it possible to cross‐link the kraft hardwood lignin to yield polymeric products that could be used as adhesives. © 1994 John Wiley & Sons, Inc.