Hindered amine light stabilizer
    2.
    发明授权
    Hindered amine light stabilizer 失效
    受阻胺光稳定剂

    公开(公告)号:US5688951A

    公开(公告)日:1997-11-18

    申请号:US613898

    申请日:1996-03-11

    申请人: Mark R. Rubino

    发明人: Mark R. Rubino

    摘要: New N-substituted piperidines useful as light stabilizers in synthetic resins are disclosed. They are 1-(2,7-octadienyl)-2,2,6,6-tetraalkylpiperidines wherein the alkyl groups are independently selected lower alkyl groups such as methyl or ethyl and the 3 and 5 positions may be substituted by methyls. The ring may be monounsaturated; a new compound 1-(2,7-octadienyl)-2, 2,6,6-tetramethyl-3-pyridine is described.

    摘要翻译: 公开了用作合成树脂中的光稳定剂的新的N-取代的哌啶。 它们是1-(2,7-辛二烯基)-2,2,6,6-四烷基哌啶,其中烷基独立地选自低级烷基如甲基或乙基,3和5位可被甲基取代。 该环可能是单不饱和的; 描述了新的化合物1-(2,7-辛二烯基)-2,2,6,6-四甲基-3-吡啶。

    Method of making teritiary hindered amines
    4.
    发明授权
    Method of making teritiary hindered amines 失效
    制备三嗪受阻胺的方法

    公开(公告)号:US5856491A

    公开(公告)日:1999-01-05

    申请号:US906788

    申请日:1997-08-09

    申请人: Mark R. Rubino

    发明人: Mark R. Rubino

    CPC分类号: C07D295/023 C07D211/46

    摘要: Fully hindered secondary amines, typically tetramethyl piperidine, are reacted with terminally unsaturated electrophilic compounds having at least five carbon atoms to obtain tertiary hindered amines. The reaction is conducted with an excess of secondary amine, preferably in the presence of a specified solvent such as N-methyl pyrrolidinone.

    摘要翻译: 完全受阻的仲胺(通常为四甲基哌啶)与具有至少五个碳原子的末端不饱和亲电子化合物反应以获得叔胺。 该反应用过量的仲胺进行,优选在特定溶剂如N-甲基吡咯烷酮的存在下进行。