Lignins: Occurrence, Formation, Structure and Reactions |
Common terms and phrases
absorption acetylated acid lignins acidolysis Acta Chem Adler aldehyde alkaline amounts angiosperm aromatic bark Brauns lignin carbon carbonyl groups cell wall cellulose CH₂OH Chem chlorine cinnamyl alcohol condensation conifer coniferyl alcohol COOH degradation dehydrogenation delignification dilignol dimers dioxane Equation ether Figure formation formed Freudenberg guaiacyl lignins H₂COH HCOH Higuchi hydrogen hydrogenolysis hydrolysis ibid infrared isolated ketones Klason lignin kraft lignin Kratzl lignin content lignin preparations lignin sulfonates lignosulfonates linkages methoxyl methoxyl groups methyl middle lamella milled wood lignin model compounds nitrobenzene nitrobenzene oxidation obtained OMe OH OMe OMe oxidation phenolic hydroxyl groups pine pinoresinol plants polymer polymerization protons pulping radicals reaction Sarkanen Scand shikimic acid shown side-chain sodium softwood soluble species spectra spruce milled wood spruce wood structures studies sulfite sulfonates sulfuric acid Svensk Papperstidn syringaldehyde syringyl Table Tappi thioglycolic acids tion tissue units vanillic acid vanillin xylem yield оме