Comparison of dehydrogenase polymer (DHP) lignin with native lignin from gymnosperm wood by thermochemolysis using tetramethylammonium hydroxide (TMAH)

When analyzed by the TMAH thermochemolysis procedure and solid-state 13C NMR, DHP guaiacyl lignin is found to yield products which are somewhat similar to those observed in fresh or degraded gymnosperm lignin. The relative amounts of the various TMAH products, particularly the stereoisomeric pairs o...

Full description

Saved in:
Bibliographic Details
Published in:Organic geochemistry 1996-06, Vol.24 (6), p.593-600
Main Authors: Hatcher, Patrick G., Minard, Robert D.
Format: Article
Language:English
Subjects:
Applied sciences
DHP lignin
Exact sciences and technology
lignin
Lignin and derivatives
Natural polymers
Physicochemistry of polymers
thermochemolysis
TMAH thermochemolysis
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:When analyzed by the TMAH thermochemolysis procedure and solid-state 13C NMR, DHP guaiacyl lignin is found to yield products which are somewhat similar to those observed in fresh or degraded gymnosperm lignin. The relative amounts of the various TMAH products, particularly the stereoisomeric pairs of 3,4-dimethoxyphenyl-trimethoxypropane, however, are not identical, perhaps indicating that disordered and randomly polymerized DHP lignin is not similar to a possibly more ordered network in natural lignin.
ISSN:0146-6380
1873-5290
DOI:10.1016/0146-6380(96)00051-4