LIGNIN AND OTHER PRODUCTS ISOLATED FROM PLANT MATERIAL, METHODS FOR ISOLATION AND USE, AND COMPOSITIONS CONTAINING LIGNIN AND OTHER PLANT-DERIVED PRODUCTS

Lignin polymers having distinctive properties, including a generally high molecular weight and generally homogeneous size distribution, as well as preservation of native reactive side groups, are isolated by solvent extraction of plant materials. Methods for isolation of lignin polymers, and for use...

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Bibliographische Detailangaben
Hauptverfasser:	PRESTIDGE ROSS L, WATSON JAMES D, BELANGER HELENE, LOUGH TONY JAMES
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOUNDS OF UNKNOWN CONSTITUTION DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS DERIVATIVES THEREOF HETEROCYCLIC COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NUCLEIC ACIDS NUCLEOSIDES NUCLEOTIDES ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PAPER-MAKING POLYSACCHARIDES PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS SACCHARIDES, OTHER THAN SUCROSE, OBTAINED FROM NATURAL SOURCESOR BY HYDROLYSIS OF NATURALLY OCCURRING DI-, OLIGO- ORPOLYSACCHARIDES SUGAR INDUSTRY SUGARS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Lignin polymers having distinctive properties, including a generally high molecular weight and generally homogeneous size distribution, as well as preservation of native reactive side groups, are isolated by solvent extraction of plant materials. Methods for isolation of lignin polymers, and for use of the isolated lignin polymers are disclosed. Compositions containing lignin isolated from plant materials, such as carbon fiber composites, resins, adhesive binders and coatings, polyurethane-based foams, rubbers and elastomers, plastics, films, paints, nutritional supplements, food and beverage additives are disclosed. Xylose and xylose derivatives, furfural, fermentable sugars, cellulose and hemi-cellulose products may be used directly or further processed. The lignin polymers and other plant-derived products disclosed herein may be produced in abundance at low cost, and may be used as substitutes for feedstocks originating from fossil fuel or petrochemical sources in the manufacture of various products.