Stabilization of polyamide, polyester and polyketone
    6.
    发明授权
    Stabilization of polyamide, polyester and polyketone 失效
    聚酰胺,聚酯和聚酮的稳定化

    公开(公告)号:US5763512A

    公开(公告)日:1998-06-09

    申请号:US823264

    申请日:1997-03-24

    申请人: Andre Schmitter

    发明人: Andre Schmitter

    CPC分类号: C08K5/527 C08K5/005 C08K5/13

    摘要: This invention relates to compositions comprising a polyamide, polyester or polyketone, a specific organic phosphite (Irgafos.RTM.12, Ciba-Geigy) and a sterically hindered phenol such as Irganox.RTM.1098, Irganox.RTM.1076, Irganox.RTM.1010, Irganox.RTM.245, Irganox.RTM.259, Irganox.RTM.1035, Irganox.RTM.3114 or Irganox.RTM.3125 (Ciba-Geigy), to the use thereof for stabilising polyamide, polyester or polyketone against oxidative, thermal and/or light-induced degradation, as well as to a process for stabilising these plastic materials.

    摘要翻译: 本发明涉及包含聚酰胺,聚酯或聚酮,特定有机亚磷酸酯(Irgafos TM 12,Ciba-Geigy)和空间位阻酚如Irganox TM 1098,Irganox TM 1076,Irganox TM 1010,Irganox TM 245,Irganox TM 259,Irganox TM 1035,Irganox TM 3114或Irganox TM 3125(Ciba-Geigy),用于稳定聚酰胺,聚酯或聚酮以抵抗氧化,热和/或光诱导的降解,以及用于 稳定这些塑料材料。

    Dimeric benzotriazoles as UV absorbers
    10.
    发明授权
    Dimeric benzotriazoles as UV absorbers 失效
    二苯基三唑作为紫外线吸收剂

    公开(公告)号:US5488112A

    公开(公告)日:1996-01-30

    申请号:US392638

    申请日:1995-02-22

    摘要: The invention relates to dimeric 2-(2'-hydroxyphenyl)benzotriazoles of the formula I ##STR1## in which p is 0 or 1; is C.sub.1 -C.sub.12 alkylene;R.sub.1 and R'.sub.1, independently of one another, are hydrogen, halogen, C.sub.1 -C.sub.18 aklyl, C.sub.1 -C.sub.18 alkoxy or --CN;R.sub.2 and R'.sub.2, independently of one another, are hydrogen or C.sub.1 -C.sub.18 alkyl or together are C.sub.2 -C.sub.12 alkylene or C.sub.2 -C.sub.12 hydroxyalkylene; andR.sub.3 and R'.sub.3, independently of one another, are hydrogen, halogen, C.sub.1 -C.sub.18 alkyl or C.sub.1 -C.sub.18 alkoxy.The compounds of formula I are highly suitable for the stabilization of organic material against the harmful effects of heat, oxygen and light, in particular UV radiation.

    摘要翻译: 本发明涉及式I(I)的二聚2-(2'-羟基苯基)苯并三唑,其中p为0或1; 是C 1 -C 12亚烷基; R 1和R'1彼此独立地是氢,卤素,C 1 -C 18烷基,C 1 -C 18烷氧基或-CN; R2和R'2彼此独立地是氢或C1-C18烷基或一起是C2-C12亚烷基或C2-C12-羟基亚烷基; 和R 3和R'3彼此独立地是氢,卤素,C 1 -C 18烷基或C 1 -C 18烷氧基。 式I的化合物非常适合于有机材料的稳定化,以抵抗热,氧和光,特别是UV辐射的有害影响。