Stabilizers and antiozonants for elastomers
    71.
    发明授权
    Stabilizers and antiozonants for elastomers 失效
    用于弹性体的稳定剂和抗臭氧剂

    公开(公告)号:US06797755B1

    公开(公告)日:2004-09-28

    申请号:US10110620

    申请日:2002-04-15

    IPC分类号: C08L541

    摘要: Elastomers which have excellent stability to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation comprise, as stabilizers, at least one compound of the formula (I): [R—S(═O)m—CH2—CH(OH)—CH2]n—N(R1)2−n—R2, in which R is C4-C20alkyl, hydroxyl-substituted C4-C20alkyl; phenyl, benzyl, &agr;-methylbenzyl, &agr;,&agr;-dimethylbenzyl, cyclohexyl or —(CH2)qCOOR3, and, if m is 0, R may additionally be (a); and, if n is 1 and R4 is hydrogen, R may additionally be R2—R1N—CH2—CH(OH)—CH2—S(═O)m—(CH2)x— or R2—R1N—CH2—CH(OH)—CH2—S(═O)m—CH2—CH2—(OCH2—CH2)y—, R1 is hydrogen, cyclohexyl or C3-C12alkyl, R2 is (b), R3 is C1-C18alkyl, R4 is hydrogen or —CH2—CH(OH)—CH2—S(═O)m—R, X is C1-C8alkyl, Y is C1-C8alkyl, m is 0 or 1, n is 1 or 2, q is 1 or 2, x is from 2 to 6, and y is 1 or 2. The compounds of the formula (I) are also suitable as stabilizes for elastomers to prevent contact discoloration of substrates coming into contact with elastomers.

    摘要翻译: 具有优异稳定性以防止氧化,热,动态,光诱导和/或臭氧诱导的降解的弹性体包含作为稳定剂的至少一种式(I)化合物:[RS(= O)m -CH 2 -CH (OH)-CH 2] n N(R 1)2-n R 2,其中R是C 4 -C 20烷基,羟基取代的C 4 -C 20烷基; 苯基,苄基,α-甲基苄基,α,α-二甲基苄基,环己基或 - (CH 2)q COOR 3,如果m为0,则R可另外为(a)。 并且如果n为1且R 4为氢,则R可以另外为R 2 -R 1 N-CH 2 -CH(OH)-CH 2 -S(= O)m - (CH 2)x - 或R 2 -R 1 N-CH 2 -CH(OH)-CH 2 -S(= O)m -CH 2 -CH 2 - (OCH 2 -CH 2)y - ,R 1是氢,环己基或C 3 C 12烷基,R 2是(b),R 3是C 1 -C 18烷基,R 4是氢或-CH 2 -CH(OH)-CH 2 -S(= O)m R,X是C 1 -C 8烷基 ,Y为C1-C8烷基,m为0或1,n为1或2,q为1或2,x为2至6,y为1或2.式(I)化合物也适用 稳定弹性体以防止与弹性体接触的基底的接触变色。

    Liquid polyfunctional additives
    72.
    发明授权
    Liquid polyfunctional additives 失效
    液体多官能添加剂

    公开(公告)号:US06448208B1

    公开(公告)日:2002-09-10

    申请号:US09622707

    申请日:2000-08-21

    IPC分类号: C10M15916

    摘要: A description is given of products obtainable by reacting components a), b), c) and, if desired, d), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of compounds of the formula II, component c) is a component of the formula IIIa and/or of the formula IIIb or a mixture of compounds of the formula IIIa and/or IIIb, and component d) is a compound of the formula IV or a mixture of compounds of the formula IV, in which the general symbols are as defined therein, where the compound of the formula I is, for example, pentaerythritol, thiodiethylene glycol, 1,4-butanediol, 1,2-propanediol, diethylene glycol, triethylene glycol, 1,1,1-tris(hydroxymethyl)ethane, 2,2-dimethyl-1,3-propanediol or glycerol, the compound of the formula II is, for example, methyl 3-(3′,5′-di-tert-butyl-4′-hydroxyphenyl)propionate or methyl 3-(3′-tert-butyl-4′-hydroxy-5′-methylphenyl)-propionate, the compound of the formula IIIa is, for example, methyl pelargonate or methyl laurate and the compound of the formula IIIb is, for example, 2-dodecenylsuccinic anhydride, and the compound of the formula IV is, for example, C8-C30alkylbenzene or an alkane of 12 to 30 carbon atoms. These products can be employed as liquid antioxidants in fuels and polymers and as antifriction additives in lubricants.

    摘要翻译: 给出了通过使组分a),b),c)和(如果需要)d)反应获得的产物的描述,其中组分a)是式I化合物或式I化合物的混合物,组分b) 是式II的化合物或式II化合物的混合物,组分c)是式IIIa和/或式IIIb的组分或式IIIa和/或IIIb的化合物的混合物,以及组分 d)是式Ⅳ的化合物或式Ⅳ化合物的混合物,其中一般符号如上定义,其中式Ⅰ化合物是例如季戊四醇,硫代二甘醇, 丁二醇,1,2-丙二醇,二甘醇,三甘醇,1,1,1-三(羟甲基)乙烷,2,2-二甲基-1,3-丙二醇或甘油,式II化合物为 ,3-(3',5'-二叔丁基-4'-羟基苯基)丙酸甲酯或3-(3'-叔丁基-4'-羟基-5'-甲基苯基)丙酸甲酯,化合物 的fo 糠醛IIIa例如是壬酸甲酯或月桂酸甲酯,式IIIb化合物是例如2-十二碳烯基琥珀酸酐,式Ⅳ化合物是例如C 8 -C 30烷基苯或12〜 30个碳原子。 这些产品可用作燃料和聚合物中的液体抗氧化剂以及润滑剂中的减摩添加剂。

    Process for the preparation of 3-aryl-benzofuranones
    73.
    发明授权
    Process for the preparation of 3-aryl-benzofuranones 失效
    制备3-芳基 - 苯并呋喃酮的方法

    公开(公告)号:US06417358B1

    公开(公告)日:2002-07-09

    申请号:US09720442

    申请日:2000-12-22

    IPC分类号: C07D22112

    CPC分类号: C07D307/83 C07C49/603

    摘要: Process for the preparation of compounds of formula (I), wherein the general symbols are as defined in claim 1, which process comprises reacting a compound of formula (V), wherein the general symbols are as defined in claim 1, with carbon monoxide in the presence of a catalyst.

    摘要翻译: 制备式(I)化合物的方法,其中一般符号如权利要求1所定义,该方法包括使式(Ⅴ)化合物(其中通式如权利要求1所定义)与一氧化碳反应, 催化剂的存在。

    Liquid polyfunctional additives for improved fuel lubricity
    76.
    发明授权
    Liquid polyfunctional additives for improved fuel lubricity 失效
    液体多官能添加剂,用于改善燃油润滑性

    公开(公告)号:US06296677B1

    公开(公告)日:2001-10-02

    申请号:US09017090

    申请日:1998-02-02

    IPC分类号: C10L118

    摘要: The lubricity (anti-wear properties) of fuels, for example hydrocarbon fuels, oxygenated fuels or mixtures thereof, particularly diesel or aviation fuels having reduced sulphur and/or aromatic content for compliance with regulator requirements, is improved by addition of at least a product which can be obtained by reacting components a), b) and c), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of compounds of the formula II and component c) is a compound of the formula III or a mixture of compounds of the formula III, in which the general symbols are as defined in claim 1, the compound of the formula I being, for example, pentaerythritol, thiodiethylene glycol, 1,4-butanediol, 1,4-propanediol, diethylene glycol, triethylene glycol, diethanolamine or glycerol, the compound of the formula II being, for example, sunflower oil or coconut fat, and the compound of the formula III being, for example, methyl 3-(3′,5′-di-tert-butyl-4′-hydroxyphenyl)propionate. The abovementioned products also improve corrosion inhibition.

    摘要翻译: 燃料,例如碳氢化合物燃料,含氧燃料或其混合物,特别是具有降低的硫和/或芳族含量以满足调节器要求的柴油或航空燃料的润滑性(抗磨损性能)通过添加至少一种产物 其可以通过使组分a),b)和c)反应获得,其中组分a)是式I的化合物或式I化合物的混合物,组分b)是式II的化合物或其混合物 的式II化合物和组分c)是式III化合物或式III化合物的混合物,其中一般符号如权利要求1所定义,式I化合物是例如, 季戊四醇,硫二甘醇,1,4-丁二醇,1,4-丙二醇,二甘醇,三甘醇,二乙醇胺或甘油,式II化合物为例如向日葵油或椰子油,式 三是,f 或3-(3',5'-二叔丁基-4'-羟基苯基)丙酸甲酯。 上述产品也提高了腐蚀抑制。