Heterocyclic thioethers as additives for lubricants
    31.
    发明授权
    Heterocyclic thioethers as additives for lubricants 失效
    杂环硫醚作为润滑剂的添加剂

    公开(公告)号:US06150307A

    公开(公告)日:2000-11-21

    申请号:US128086

    申请日:1998-08-03

    摘要: This invention relates to compounds which are suitable as ash-free antiwear additives and antioxidants, to lubricant compositions comprising said compounds as well as to their use. Compounds of formulae ##STR1## are particularly preferred. In the preferred compounds I',R.sub.2 is isooctyloxycarbonylmethyl, R.sub.3 is isooctyloxycarbonylmethylthiomethyl and R.sub.4 is hydrogen; orR.sub.2 is tert-nonyl and R.sub.3 is tert-nonylthiomethyl and R.sub.4 is hydrogen; orR.sub.2 is isooctyloxycarbonylmethyl, R.sub.3 is hydrogen and R.sub.4 is isooctyloxycarbonylmethylthiomethyl; orR.sub.2 is tert-nonyl, R.sub.3 is hydrogen and R.sub.4 I is tert-nonylthiomethyl.In the preferred compounds II',R.sub.2 and R.sub.2 ' are isooctyloxycarbonylmethyl, R.sub.3 and R.sub.3 ' are isooctyloxycarbonylmethylthiomethyl and R.sub.4 and R.sub.4 ' are hydrogen; orR.sub.2 and R.sub.2 ' are tert-nonyl, R.sub.3 and R.sub.3 ' are tert-nonylthiomethyl and R.sub.4 and R.sub.4 ' are hydrogen; orR.sub.2 and R.sub.2 ' are isooctyloxycarbonylmethyl, R.sub.3 and R.sub.3 ' are hydrogen and R.sub.4 and R.sub.4 ' are isooctyloxycarbonylmethylthio; orR.sub.2 and R.sub.2 ' are tert-nonyl, R.sub.3 and R.sub.3 ' are hydrogen and R.sub.4 and R.sub.4 ' are tert-nonylthiomethyl.

    摘要翻译: 本发明涉及适合作为无灰抗磨添加剂和抗氧化剂的化合物,包括所述化合物的润滑剂组合物及其用途。 式的化合物是特别优选的。 在优选的化合物I'中,R 2为异辛氧基羰基甲基,R 3为异辛氧基羰基甲硫基甲基,R4为氢; 或R 2为叔壬基,R 3为叔壬基硫基甲基,R 4为氢; 或R2是异辛氧基羰基甲基,R3是氢,R4是异辛氧基羰基甲硫基甲基; 或R 2为叔壬基,R 3为氢,R 4'为叔壬基硫基甲基。 在优选的化合物II'中,R2和R2'是异辛氧基羰基甲基,R3和R3'是异辛氧基羰基甲硫基甲基,R4和R4'是氢; 或R 2和R 2'为叔壬基,R 3和R 3'为叔壬硫基甲基,R 4和R 4'为氢; 或R 2和R 2'为异辛氧基羰基甲基,R 3和R 3'为氢,且R 4和R 4'为异辛氧基羰基甲硫基; 或R 2和R 2'为叔壬基,R 3和R 3'为氢,且R 4和R 4'为叔壬基硫基甲基。

    Liquid phenolic antioxidants
    32.
    发明授权
    Liquid phenolic antioxidants 失效
    液体酚类抗氧化剂

    公开(公告)号:US5696281A

    公开(公告)日:1997-12-09

    申请号:US454362

    申请日:1995-06-20

    申请人: Samuel Evans

    发明人: Samuel Evans

    CPC分类号: C07C69/732 C08K5/134

    摘要: The present invention relates to novel liquid phenolic antioxidants, to organic materials stabilized with said compounds against thermal, oxidalive and/or actinic degradation, and to the use of said novel compounds as stabilizers.

    摘要翻译: PCT No.PCT / EP93 / 03502 Sec。 371日期:1995年6月20日 102(e)1995年6月20日PCT 1993年12月10日PCT PCT。 第WO94 / 14748号公报 日本时间1994年7月7日本发明涉及新型液体酚类抗氧化剂,所述有机物质用所述化合物稳定化,防止热,氧化和/或光化降解,以及使用所述新化合物作为稳定剂。

    Sulfur-containing compounds as antioxidants for lubricants and elastomers
    36.
    发明授权
    Sulfur-containing compounds as antioxidants for lubricants and elastomers 失效
    含硫化合物作为润滑剂和弹性体的抗氧化剂

    公开(公告)号:US4877824A

    公开(公告)日:1989-10-31

    申请号:US302053

    申请日:1989-01-25

    申请人: Samuel Evans

    发明人: Samuel Evans

    摘要: Compounds of the formula (I) ##STR1## in which the Rs independently of one another are H, phenyl, naphthyl or C.sub.7 -C.sub.30 alkaryl and R.sup.1 is H, C.sub.1 -C.sub.8 alkyl, C.sub.7 -C.sub.9 aralkyl, C.sub.5 -C.sub.12 cycloalkyl, phenyl, naphthyl, C.sub.7 -C.sub.30 alkaryl or a group of the formula (II)--(CH.sub.2).sub.a --SR.sup.3 (II)R.sup.2 is C.sub.7 -C.sub.30 alkaryl, phenyl, naphthyl or phenyl containing, in the para-position, an HO or C.sub.1 -C.sub.18 alkoxy group or a group of the formulae ##STR2## or R.sup.1 and R.sup.2, together with the nitrogen atom to which they are attached, are a radical of the formula (III) ##STR3## R.sup.3 is a radical of the formulae --(CH.sub.2).sub.b --COOR.sup.6 or --(CH.sub.2).sub.2 OCOR.sup.7, a is the number 1, 2 or 3 and b is the number 1 or 2, and R.sup.4 is phenyl or a group of the formula (II), the two R.sup.5 s independently of one another are H, C.sub.1 -C.sub.24 alkyl, C.sub.5 -C.sub.12 cycloalkyl or C.sub.7 -C.sub.9 aralkyl, and R.sup.6 is H, C.sub.1 -C.sub.18 alkyl or benzyl, R.sup.7 is C.sub.1 -C.sub.14 alkyl, phenyl or a group of the formula--(CH.sub.2).sub.m --Y--(CH.sub.2).sub.m --COO(CH.sub.2).sub.2 --S--(CH.sub.2).sub.a N(R.sup.1)(R.sup.2)in which Y is --O-- or --S--, a is the number 1, 2 or 3 and m is the number 1 or 2, B is a direct bond, --S--, --S--S-- or a C.sub.1 -C.sub.12 alkylene radical, X in the formula (III) is a direct bond, --S-- or a group of the formulae ##STR4## form a phenothiazine, phenazine, acridine or carbazole radical.

    摘要翻译: 其中R 1彼此独立地为H,苯基,萘基或C 7 -C 30烷基的式(I)化合物其中R 1为H,C 1 -C 8烷基,C 7 -C 9芳烷基,C 5 -C 12环烷基,苯基, 萘基,C 7 -C 30烷芳基或式(II) - (CH 2)a SR 3(II)R 2的基团是C 7 -C 30烷芳基,苯基,萘基或苯基,其在对位中含有HO或C 1 -C 18烷氧基 或式(III)的基团,或式(III)的基团,其中R 1和R 2与它们所连接的氮原子一起是式 式 - (CH2)b-COOR6或 - (CH2)2OCOR7,a是数字1,2或3,b是数字1或2,R4是苯基或式(II)的基团,二 R5彼此独立地是H,C1-C24烷基,C5-C12环烷基或C7-C9芳烷基,R6是H,C1-C18烷基或苄基,R7是C1-C14烷基,苯基或式 - (CH2)mY- (CH2)m-COO(CH2)2-S-(CH2)aN(R1)(R2)其中Y是-O-或-S-,a是数字1,2或3,m是t 他数1或2,B是直接键,-S-,-SS-或C 1 -C 12亚烷基,式(III)中的X是直接键,-S-或式 形成吩噻嗪,吩嗪,吖啶或咔唑基。