Process for separating aniline derivatives
    81.
    发明授权
    Process for separating aniline derivatives 失效
    苯胺衍生物分离方法

    公开(公告)号:US4918232A

    公开(公告)日:1990-04-17

    申请号:US213069

    申请日:1988-06-29

    CPC分类号: C07C209/86

    摘要: A process for separating from each other aniline and aniline derivatives having different numbers of C atoms bound to the N atoms is disclosed herein, this process being characterized in that a mixture of the substances mentioned is treated in liquid phase with zeolites of the faujasite type at a temperature from 0.degree. C. to 190.degree. C.

    摘要翻译: 本文公开了一种彼此分离的苯胺和与N原子结合的C原子数不同的苯胺衍生物的方法,该方法的特征在于所述物质的混合物用八面沸石沸石沸石处理 温度为0℃至190℃

    Elasthane fibers stabilized against environmental influences
    82.
    发明授权
    Elasthane fibers stabilized against environmental influences 失效
    弹性纤维可以抵御环境影响

    公开(公告)号:US4877825A

    公开(公告)日:1989-10-31

    申请号:US323042

    申请日:1989-03-10

    CPC分类号: D01F6/70 C08K5/3477 C08K5/527

    摘要: The invention relates to elasthane fibers which are protected against harmful environmental influences, particularly sunlight and combustion gases, by a synergistic stabilizer combination of(a) highly alkylated, phenolic antioxidants corresponding to the following formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 are C.sub.1 -C.sub.3 alkyl radicals, in addition to which R.sup.3 may be C.sub.4 -C.sub.6 alkyl radicalsand(b) oligomeric, (cyclo)aliphatic phosphorous acid esters (oligomeric phosphites) obtained by reaction of pentaerythritol, perhydrobisphenol A and, optionally, a mono- alcohol with monomeric trialkyl or triaryl phosphites.

    摘要翻译: 本发明涉及通过以下协同稳定剂组合(a)高度烷基化的酚类抗氧化剂,其对应于下列式(Ⅰ),其中R 1,R 2和R 3是保护免受有害环境影响的特别是阳光和燃烧气体的弹性纤维 除了R 3可以是C 4 -C 6烷基以外,还有(b)通过季戊四醇,全氢双酚A和任选的单 - (C 1 -C 6)烷基反应获得的低聚,(环)脂族亚磷酸酯 - 醇与单体三烷基或三芳基亚磷酸酯。

    Stabilized lubricants based on polyethers
    84.
    发明授权
    Stabilized lubricants based on polyethers 失效
    基于聚醚的稳定润滑剂

    公开(公告)号:US4627929A

    公开(公告)日:1986-12-09

    申请号:US803458

    申请日:1985-12-02

    摘要: Stabilized lubricants based on polyethers containing diphenylamine derivatives of the formula ##STR1## in which R.sup.1 denotes hydrogen, a straight-chain or branched C.sub.4 to C.sub.12 -alkyl group, a straight-chain or branched C.sub.4 to C.sub.12 -alkylene group, a C.sub.7 to C.sub.12 -aralkyl group, a C.sub.7 to C.sub.12 -aralkylene group, a C.sub.5 to C.sub.12 -cycloalkyl group which is optionally substituted by C.sub.1 to C.sub.6 -alkyl, -alkenyl, -cycloalkyl or -cycloalkenyl, or a C.sub.5 to C.sub.12 -cycloalkenyl group which is optinally substituted by C.sub.1 to C.sub.6 -alkyl, -alkenyl or -cycloalkenyl, but does not denote a hydrocarbon group derived from a terpene, in the ortho- or para-position relative to the particular N atom, n represents an integer from 1 to 29 and Y represents a bifunctional radical --A-- and optionally additionally a bifunctional radical --B--, in each case in the ortho- or para-position relative to the N atoms, wherein --A-- denotes a straight-chain or branched C.sub.4 to C.sub.12 -alkylene radical, a C.sub.7 to C.sub.12 -aralkylene radical, or a C.sub.5 to C.sub.12 -cycloalkylene radical which is optionally substituted by C.sub.1 to C.sub.6 -alkyl or -cycloalkyl, but does not denote a hydrocarbon radical derived from a terpene, and --B-- denotes --S-- or ##STR2## wherein R.sup.2 represents hydrogen, C.sub.1 to C.sub.6 -alkyl or C.sub.5 to C.sub.6 -cycloalkyl, and wherein --B-- makes up an amount of 0 to 50 mol % of Y, and if appropriate other additives.

    摘要翻译: 稳定的润滑剂,其基于含有式“IMAGE”的二苯基胺衍生物的聚醚,其中R 1表示氢,直链或支链C 4至C 12烷基,直链或支链C 4至C 12亚烷基,C 7至C 12 芳烷基,C 7〜C 12 - 亚芳基,任选被C 1〜C 6 - 烷基, - 烯基, - 环烷基或 - 环烯基取代的C 5〜C 12环烷基,或C 5〜C 12 - 环烯基 由C1至C6烷基, - 烯基或 - 环烯基取代,但不表示衍生自萜烯的烃基,在相对于特定N原子的邻位或对位,n表示1至29的整数, Y代表双官能基-A,任选地另外是双官能基-B-,在每种情况下相对于N原子在邻位或对位,其中-A-表示直链或支链C4至C12- 亚烷基,C7至C12-亚芳基或C5至C12-亚环烷基 其任选被C 1 -C 6 - 烷基或 - 环烷基取代,但不表示衍生自萜烯的烃基,-B-表示-S-或其中R 2表示氢,C 1至C 6 - 烷基或 C5至C6-环烷基,并且其中-B-构成0至50mol%的Y,并且如果合适,其它添加剂。

    Dialkyl 2-alkylcarbonatoethanephosphonates
    85.
    发明授权
    Dialkyl 2-alkylcarbonatoethanephosphonates 失效
    二烷基碳酸亚乙基膦酸二烷基酯

    公开(公告)号:US4608207A

    公开(公告)日:1986-08-26

    申请号:US607354

    申请日:1984-05-04

    摘要: Dialkyl vinylphosphonates are prepared by heating the new dialkyl 2-alkylcarbonatoethanephosphonates in the presence of catalysts. Also disclosed is a process for making the new dialkyl 2-alkylcarbonatoethanephosphonate by transesterification of a dialkyl 2-carboxyethanephosphonate with a dialkyl carbonate in the presence of a transesterification catalyst.

    摘要翻译: 通过在催化剂存在下加热新的2-烷基碳酸亚乙酯基膦酸二烷基酯制备二烷基乙烯基膦酸酯。 还公开了通过在酯基转移催化剂存在下,通过2-碳羧酸乙基膦酸二烷基酯与碳酸二烷基酯的酯交换来制备新的2-烷基碳酸乙基己基膦酸二烷基酯的方法。

    Cyclic carbonic acid derivatives
    88.
    发明授权
    Cyclic carbonic acid derivatives 失效
    环状碳酸衍生物

    公开(公告)号:US4501905A

    公开(公告)日:1985-02-26

    申请号:US555754

    申请日:1983-11-28

    摘要: New cyclic carbonic acid derivatives of the formula ##STR1## in which R denotes either --CH.sub.2 OH, R.sup.1 then representing an alkyl radical having 1 to 4 C atoms, or ##STR2## R.sup.1 and R.sup.2 then independently of one another representing methyl or ethyl, or ##STR3## R.sup.1 and R.sup.3 then each representing an alkyl radical having 1 to 4 C atoms,or in whichR and R.sup.1 together denote ##STR4## wherein A represents the group ##STR5## or oxygen, a process for their preparation, and their use as copolymerization components in the preparation of polycarbonates.

    摘要翻译: 式(IMAGE)的新的环状碳酸衍生物,其中R表示-CH 2 OH,R 1表示具有1至4个C原子的烷基,或者R 1和R 2彼此独立地代表甲基或乙基,或 R1和R3分别代表具有1至4个C原子的烷基,或其中R和R 1一起表示“IMAGE”,其中A表示基团或氧,其制备方法及其用途 作为制备聚碳酸酯的共聚组分。

    Process for the preparation of dimethyl carbonate
    89.
    发明授权
    Process for the preparation of dimethyl carbonate 失效
    碳酸二甲酯的制备方法

    公开(公告)号:US4335051A

    公开(公告)日:1982-06-15

    申请号:US155036

    申请日:1980-05-30

    IPC分类号: C07C69/96 C07C68/00 C07C68/02

    CPC分类号: C07C68/02

    摘要: In a process for the preparation of dimethyl carbonate by reacting methanol with phosgene and/or methyl chloroformate, the improvement wherein the reaction is carried out in the presence of an aqueous alkali metal hydroxide solution and in the presence of an inert, water-immiscible organic solvent, at a temperature in the range from -20.degree. C. to +40.degree. C.

    摘要翻译: 在通过甲醇与光气和/或氯甲酸甲酯反应制备碳酸二甲酯的方法中,其反应在碱金属氢氧化物水溶液的存在下和在惰性的与水不混溶的有机物的存在下进行 溶剂,温度范围为-20℃至+ 40℃。

    Tetraalkylated biscyclohexylamine derivatives
    90.
    发明授权
    Tetraalkylated biscyclohexylamine derivatives 失效
    四烷基化双环己胺衍生物

    公开(公告)号:US4293687A

    公开(公告)日:1981-10-06

    申请号:US146842

    申请日:1980-05-05

    摘要: New biscyclohexylamine derivatives represented by the following formula ##STR1## wherein R.sup.1 to R.sup.4 represent identical or different alkyl groups having 1 to 6 carbon atoms;X is a single bond,a divalent aliphatic straight-chain or branched-chain group having from 2 to 10 carbon atoms,a methylene group, when at least one of the substituents R.sup.1 to R.sup.4 has more than 1 carbon atom,a divalent cycloaliphatic group having from 6 to 12 carbon atoms,a divalent aliphatic straight-chain or branched-chain group with cycloaliphatic substituents having from 6 to 8 carbon atoms,a divalent straight-chain or branched-chain dialkyl cyclohexane group having from 8 to 12 carbon atoms and a divalent straight-chain or branched-chain dialkyl benzene group having from 8 to 12 carbon atoms.

    摘要翻译: 由下式表示的新的双环己胺衍生物其中R 1至R 4表示具有1至6个碳原子的相同或不同的烷基; 当至少一个取代基R 1至R 4具有多于1个碳原子时,X是单键,具有2至10个碳原子的二价脂族直链或支链基团,亚甲基基团,二价脂环族基团 具有6至12个碳原子的二价脂肪族直链或支链基团,具有6至8个碳原子的脂环族取代基,具有8至12个碳原子的二价直链或支链二烷基环己烷基,以及 具有8至12个碳原子的二价直链或支链二烷基苯基。