发明名称 SULFOPOLYESTER RECOVERY
摘要 Processes for the recovery of a sulfopolyester polymer from an aqueous dispersion and a sulfopolyester concentrate are provided. Particularly, a sulfopolyester concentrate, from which the 'sulfopolyester may be recovered and reused, are formed by processes such as evaporation and/or nanofiltration. Final recovery of the sulfopolyester may be achieved by further evaporation of water and/or salt precipitation. In addition, the recovered sulfopolyester and articles manufactured from the recovered sulfopolyester are also provided.
申请公布号 WO2007089424(A2) 申请公布日期 2007.08.09
申请号 WO2007US01083 申请日期 2007.01.16
申请人 EASTMAN CHEMICAL COMPANY 发明人 GUPTA, RAKESH, KUMAR;CRAIN, ALLEN, LYNN;KLOSIEWICZ, DANIEL, WILLIAM;GEORGE, SCOTT, ELLERY;SEO, KAB, SIK
分类号 C08J3/03;C08J11/06 主分类号 C08J3/03
代理机构 代理人
主权项
地址