发明名称 Method of producing lignin with reduced amount of odorous substances
摘要 The present invention relates to a method of producing lignin with reduced amount of odorous substances comprising the steps of: i) dissolving isolated lignin into an alkali solution;ii) adding to the solution C1-C4-alcohol in an amount of less than 30% by weight, based on the dry weight of the isolated lignin; andiii) re-precipitating lignin by acidifying the solution.;The invention also relates to a lignin product with reduced odor obtained and/or obtainable by the method and to the use of the 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 fiber, especially in indoor applications.
申请公布号 US9617393(B2) 申请公布日期 2017.04.11
申请号 US201514940376 申请日期 2015.11.13
申请人 INNVENTIA AB 发明人 Tomani Per;Alvarado Fernando
分类号 C07G1/00;C08H7/00;B01D11/00;C09J197/00;C08L97/00 主分类号 C07G1/00
代理机构 Pearne & Gordon LLP 代理人 Pearne & Gordon LLP
主权项 1. A method of producing lignin with reduced amount of odorous substances comprising the steps of: i) dissolving isolated lignin into an alkali solution; ii) adding to the solution a C1-C4-alcohol in an amount of less than 30% by weight, based on the dry weight of the isolated lignin; and iii) re-precipitating lignin by acidifying the solution.
地址 Stockholm SE