Use of phenylenediamines and hindered phenols to inhibit polymer formation during the manufacture of acrylonitrile
申请人:——
公开号:US20030109739A1
公开(公告)日:2003-06-12
The present invention relates to the use of phenylenediamines, preferably para-phenylenediamines, in combination with hindered phenols, to reduce polymer formation during the manufacture of acrylonitrile.
本发明涉及苯二胺(最好是对苯二胺)与受阻酚的结合使用,以减少丙烯腈生产过程中聚合物的形成。