Additive mixture for stabilization of polyol and polyurethane

    公开(公告)号:US10683409B2

    公开(公告)日:2020-06-16

    申请号:US16070596

    申请日:2017-01-11

    申请人: BASF SE

    摘要: The invention relates to a composition, which comprises the components (a) an organic material susceptible to oxidative, thermal or light-induced degradation, which is a polyether polyol, a polyester polyol or a polyurethane; (b) a bisphenolic stabilizer of formula (I) wherein n is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11; and (c) a chromanol stabilizer of formula (II) wherein R1 and R2 are independently of each other H or C1-alkyl. A process for manufacturing the aforementioned composition, the use of an additive mixture comprising component (b) and (c) for stabilizing the component (a) and the additive mixture itself are described.