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Thermally assisted hydrolysis and alkylation of lignins in the presence of tetra-alkylammonium hydroxides

AuthorsMartín Martínez, Francisco; Río Andrade, José Carlos del ; Río Andrade, José Carlos del ; González-Vila, Francisco Javier ; Verdejo Robles, Trinidad
KeywordsMilled wood lignins
Thermally assisted hydrolysis and methylation
Tetrabutylammonium hydroxide
Tetramethylammonium hydroxide
Issue Date1995
CitationJournal of Analytical and Applied Pyrolysis 35(1): 1- 13 (1995)
AbstractThree different milled lignins isolated from bamboo, pine and beech, corresponding to the three different structural groups, have been subjected to pyrolysis in the presence of tetramethylammonium hydroxide (TMAH) and tetrabutylammonium hydroxide (TBAH). Pyrolysis of the lignins in the presence of TMAH releases the methyl esters and methyl ethers of the different lignin monomers. Several moieties bearing carboxylic acid groups, not previously detected using pyrolytic techniques, could be released from the three lignins, suggesting that the presence of these moieties in the lignin structure have been underestimated.
Identifiersdoi: 10.1016/0165-2370(95)00892-I
issn: 0165-2370
Appears in Collections:(IRNAS) Artículos
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