N-substituted tetrahydroquinolines for use as antioxidants in lubricants
    5.
    发明授权
    N-substituted tetrahydroquinolines for use as antioxidants in lubricants 失效
    用作润滑剂中抗氧化剂的N-取代四氢喹啉

    公开(公告)号:US4919832A

    公开(公告)日:1990-04-24

    申请号:US305037

    申请日:1989-02-02

    摘要: Composition containing(a) at least one lubricant, hydraulic oil or metal-working fluid based on mineral oil or synthetic oils and(b) 0.05-5% by weight, based on the total weight of the lubricant, hydraulic oil or metal-working fluid composition, of at least one compound of the formula V ##STR1## where R.sup.1 and R.sup.2 are independently alkyl, aryl, substituted aryl or benzyl, R.sup.3 is hydrogen or methyl, R.sup.4 and R.sup.5 are independently hydrogen, methyl, methoxy, chloro or nitro, R.sup.13 is hydrogen or methyl, and R.sup.17 is a direct bond, alkylene or vinylene.

    摘要翻译: 组合物,其含有(a)至少一种基于矿物油或合成油的润滑剂,液压油或金属加工液,和(b)基于润滑剂,液压油或金属加工的总重量的0.05-5重量% (I)的化合物(VI)其中R 1和R 2独立地是烷基,芳基,取代的芳基或苄基,R 3是氢或甲基 ,R 4和R 5独立地是氢,甲基,甲氧基,氯或硝基,R 13是氢或甲基,R 17是直接键,亚烷基或亚乙烯基。

    Nonylcyclohexylphosphite ester polyolefin stabilizers
    10.
    发明授权
    Nonylcyclohexylphosphite ester polyolefin stabilizers 失效
    壬基环己基亚磷酸酯聚烯烃稳定剂

    公开(公告)号:US07291662B2

    公开(公告)日:2007-11-06

    申请号:US11087267

    申请日:2005-03-23

    IPC分类号: C08K5/524

    CPC分类号: C08K5/524 C08K5/527 C08L23/02

    摘要: The present invention discloses mono-, bis- and tris-nonylcyclohexylphosphite esters, polyolefin compositions stabilized against the deleterious effects of melt processing, heat aging and exposure to combustion products of natural gas which comprise the nonylcyclohexylphosphite esters as stabilizers, and a process towards stabilizing polyolefin compositions by incorporating in or applying thereto the nonylcyclohexylphosphite esters.

    摘要翻译: 本发明公开了单,双和三壬基环己基亚磷酸酯,稳定的聚烯烃组合物抵抗熔体加工,热老化和暴露于天然气的燃烧产物(其包含壬基环己基亚磷酸酯作为稳定剂)的有害作用,以及稳定聚烯烃 通过在其中掺入或施加于其上的壬基环己基亚磷酸酯的组合物。