Substituted 1,3,2-benzoxazaphospholidines and stabilized compositions
    74.
    发明授权
    Substituted 1,3,2-benzoxazaphospholidines and stabilized compositions 失效
    取代的1,3,2-苯并氧氮杂磷杂环己烷和稳定的组合物

    公开(公告)号:US5075483A

    公开(公告)日:1991-12-24

    申请号:US572749

    申请日:1990-08-23

    IPC分类号: C07F9/6584 C08K5/5399

    CPC分类号: C07F9/65844 C08K5/5399

    摘要: Substituted 1,3,2-benzoxazaphospholidines of formula I ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen, alkyl, cycloalkyl, phenylalkyl or aryl, n is 1 to 4, and T is an n-valent aliphatic or aromatic hydrocarbon radical are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and actinic radiation.

    摘要翻译: 取代的式I的1,3,2-苯并氧杂氮杂吗啉其中R 1,R 2和R 3独立地为氢,烷基,环烷基,苯基烷基或芳基,n为1至4,并且T为n价脂族基或 芳族烃基可有效地稳定有机材料以抵抗氧,热和光化辐射的有害影响。

    6-(4-hydroxyphenyl)-4,5-dihydro-3(2H)-pyridazinones and stabilized
compositions
    75.
    发明授权
    6-(4-hydroxyphenyl)-4,5-dihydro-3(2H)-pyridazinones and stabilized compositions 失效
    (4-羟基苯基)-4,5-二氢-3(2H) - 哒嗪酮和稳定的组合物

    公开(公告)号:US5019612A

    公开(公告)日:1991-05-28

    申请号:US391214

    申请日:1989-08-08

    IPC分类号: C07D237/04 C08K5/3462

    CPC分类号: C07D237/04 C08K5/3462

    摘要: 6-(4-hydroxyphenyl)-4,5-dihydro-3(2H)-pyridazinones of formula I ##STR1## where R.sub.1 and R.sub.2 are independently alkyl, cycloalkyl, aryl or aralkyl, R.sub.3 and R.sub.4 are independently hydrogen or alkyl, n is 1 to 4 and T is hydrogen, alkyl, substituted alkyl, alkylene or arylene, are effective in stabilizing organic materials against oxidative, thermal and actinic degradation.

    摘要翻译: 式(I)的6-(4-羟基苯基)-4,5-二氢-3(2H) - 哒嗪酮其中R 1和R 2独立地是烷基,环烷基,芳基或芳烷基,R 3和R 4独立地是氢或 烷基,n为1至4,T为氢,烷基,取代的烷基,亚烷基或亚芳基,有效稳定有机材料,防止氧化,热和光化学降解。

    1,3,2-oxazaphospholdine stabilizers
    78.
    发明授权
    1,3,2-oxazaphospholdine stabilizers 失效
    1,3,2-氧氮杂磷酸酯稳定剂

    公开(公告)号:US4751319A

    公开(公告)日:1988-06-14

    申请号:US9430

    申请日:1987-02-02

    CPC分类号: C08K5/5399 C07F9/65844

    摘要: 1,3,2-oxazaphospholidine derivatives of the formula ##STR1## are effective in stabilizing organic materials against oxidative, thermal and actinic degradation, said derivatives being particularly effective as color improvers and process stabilizers in organic materials containing phenolic antioxidants.

    摘要翻译: 具有式“IMAGE”的1,3,2-氧杂氮杂磷杂环丁啶衍生物可有效稳定有机材料,防止氧化,热和光化降解,所述衍生物在含有酚类抗氧化剂的有机材料中作为颜色改进剂和加工稳定剂特别有效。

    Acylated calixarene stabilizers
    80.
    发明授权
    Acylated calixarene stabilizers 失效
    酰化杯芳烃稳定剂

    公开(公告)号:US4617336A

    公开(公告)日:1986-10-14

    申请号:US800842

    申请日:1985-11-22

    IPC分类号: C08K5/134 C07C69/76 C08K5/10

    CPC分类号: C08K5/1345

    摘要: Acylated calixarene derivatives of the formula ##STR1## are prepared by the reaction of the appropriate hydroxyphenyl alkanoate and paraformaldehyde and are useful stabilizers of organic materials.

    摘要翻译: 通过适当的羟基苯基链烷酸酯和多聚甲醛的反应制备式“IMAGE”的酰化的杯芳烃衍生物,并且是有机材料的有用的稳定剂。