This invention provides a process for the stabilization of thermoplastic polyolefins during melt processing operations. The stabilizer package of this invention is "phenol free" and must contain at least one ary l monophosphite and at least one diphosphite. The process of this invention is especially suitable for the manufacture of polyethylene film.
申请公布号
CA2464551(A1)
申请公布日期
2005.11.18
申请号
CA20042464551
申请日期
2004.05.18
申请人
NOVA CHEMICALS CORPORATION
发明人
SAUVAGEAU, DENNY PAUL;CHISHOLM, P. SCOTT;ELLIS, LAURA ELAINE;GIBBONS, IAN ROBERT;AUBEE, NORMAN DORIEN JOSEPH;TIKUISIS, TONY