METHOD FOR STABILIZING LIGNIN FOR FURTHER CONVERSION TO CARBON FIBER

A method for producing a stabilized lignin fiber from softwood alkaline lignin by heat treatment in the absence of oxidant is disclosed. The stabilized lignin fiber can be further treated to obtain carbon fiber.

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Bibliographic Details
Main Authors NORBERG, IDA, SJOHOLM, ELISABETH, GELLERSTEDT, GORAN, DROUGGE, RICKARD
Format Patent
LanguageEnglish
Published 26.10.2016
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A method for producing a stabilized lignin fiber from softwood alkaline lignin by heat treatment in the absence of oxidant is disclosed. The stabilized lignin fiber can be further treated to obtain carbon fiber.
Bibliography:Application Number: ZA20140005182