[EN] SPANDEX CONTAINING A MIXTURE OF PHENOLIC COMPOUNDS<br/>[FR] SPANDEX CONTENANT UN MELANGE DE COMPOSES PHENOLIQUES
申请人:DU PONT
公开号:WO2002098970A1
公开(公告)日:2002-12-12
The invention provides polyurethane containing a) a first additive comprising at least one mono-hindered hydroxyphenyl group and having a molecular weight of at least about 300 Daltons; b) a second additive selected from the group consisting of i) condensation polymers of p-cresol and divinyl benzene and ii) compounds comprising at least one unsymmetrically di-hindered hydroxyphenyl group and having a molecular weight of at least about 300 Daltons; and c) an inorganic chlorine-resist additive. The polyurethane of the invention exhibits improved resistance to degradation by chlorine and by atmospheric fumes.