发明名称 METHOD FOR PURIFICATION OF ROSIN
摘要 The instant invention relates to a method for purifying a rosin-containing material from sulfur compounds. In particular the method comprises a) contacting a rosin-containing material comprising rosin and sulfur compounds with an oxidizing agent at a temperature from 0 to 60° C. for 10 minutes to 3 hours, to oxidize at least part of the sulfur compounds; and b) separating the rosin from the oxidized sulfur compounds; to obtain a purified rosin-containing material. The invention also relates to the purified rosin-containing materials, the preparation of products derived therefrom and the use of the purified rosin-containing materials and derived products.
申请公布号 US2016194523(A1) 申请公布日期 2016.07.07
申请号 US201314655172 申请日期 2013.12.20
申请人 ARIZONA CHEMICAL COMPANY, LLC 发明人 EVDOKIMOV Andrey Nikolaevich;POPOVA Larisa Mikhailovna;KURZIN Alexander Vyacheslavovich;TRIFONOVA Alyona Dmitrievna;BUISMAN Godfried
分类号 C09F1/02;C09F1/04 主分类号 C09F1/02
代理机构 代理人
主权项 1. A method for purifying a rosin-containing material from sulfur compounds comprising: a) contacting a rosin-containing material comprising rosin and sulfur compounds with an oxidizing agent at a temperature from 0 to 60° C. for 10 minutes to 3 hours, to oxidize at least part of the sulfur compounds; and b) separating the rosin from the oxidized sulfur compounds; to obtain a purified rosin-containing material.
地址 Jacksonville FL US