METHOD OF PRODUCING LIGNIN WITH REDUCED AMOUNT OF ODOROUS SUBSTANCES
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
The present invention relates to a method of producing lignin with reduced amount of odorous substances comprising the step of: providing a solid phase lignin containing starting material to be contacted with a water solution comprising carboxylic acid; dissolving the guaiacol and etylguaiacol content from the lignin into the water solution， and draining off the water solution with its content of guaiacol or etylguaiacol; obtaining a lignin material with a reduced content of guaiacol or etylguaiacol. The invention also relates to a lignin product with reduced odour obtained and/or obtainable by the method obtained lignin as a component in polymer blends， an additive or filler in building materials， as binding agent in adhesives， and/or for the production of a carbon fibre， especially in indoor applications.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
