Process for the production of ethylene co-polymers
    2.
    发明授权
    Process for the production of ethylene co-polymers 失效
    制备乙烯共聚物的方法

    公开(公告)号:US5973087A

    公开(公告)日:1999-10-26

    申请号:US793719

    申请日:1997-03-03

    CPC分类号: C08F210/02 C08F10/00

    摘要: Disclosed is a catalyst system for the production of ethylene co-polymers by co-polymerisation of ethylene with further polymerisable monomers in the presence of a peroxide catalyst. The catalyst system contains components (A) and (B), component (A) being at least one organo-aluminium compound of the general formula AlR.sub.3, in which R is an alkyl, alkenyl, aryl, aralkyl or cycloalkyl radical, and component (B) is at least one organic peroxide.

    摘要翻译: PCT No.PCT / EP95 / 03470 371日期1997年3月3日 102(e)1997年3月3日PCT PCT 1995年9月4日PCT公布。 公开号WO96 / 07679 日期1996年3月14日公开是在过氧化物催化剂存在下通过乙烯与其它可聚合单体的共聚合生产乙烯共聚物的催化剂体系。 催化剂体系含有组分(A)和(B),组分(A)是至少一种通式AlR 3的有机铝化合物,其中R是烷基,烯基,芳基,芳烷基或环烷基,和组分 B)是至少一种有机过氧化物。

    Process for the preparation of aralkyl hydroperoxides
    3.
    发明授权
    Process for the preparation of aralkyl hydroperoxides 失效
    制备芳烷基氢过氧化物的方法

    公开(公告)号:US5032688A

    公开(公告)日:1991-07-16

    申请号:US432781

    申请日:1989-11-07

    摘要: A process for the preparation of aralkyl hydroperoxides having the formula (I) is described ##STR1## in which n=1, 2 or 3, Ar means a phenyl group which can be substituted with halogen or one or more branched or straight chain alkyl groups with 1 to 5 C-atoms, or a naphthyl group, and each radical R.sup.1 and R.sup.2 means a low alkyl radical, the alkyl radicals R.sup.1 and R.sup.2 together having 2 to 4 carbon atoms, by reaction of aralkyl carbinols having the formula (II) ##STR2## in which Ar, R.sup.1, R.sup.2 and n have the meaning given for formula (I), with hydrogen peroxide under acid conditions, the reaction being carried out in the presence of an acid-combining agent. An alkali sulphate, ammonium sulphate, alkali hydrogen sulphate and/or ammonium hydrogen sulphate is used in preference as the acid-combining agent. Tert.aralkyl hydroperoxides can be prepared in high yield with a high purity in a simple and safe manner with this process.

    摘要翻译: 描述了具有式(I)的芳烷基氢过氧化物的制备方法,其中n = 1,2或3,其中Ar表示可被卤素取代的苯基或一个或多个支链或直链 具有1至5个C原子的链烷基或萘基,并且每个基团R 1和R 2表示低级烷基,烷基R 1和R 2一起具有2至4个碳原子,通过使具有式 (II)其中Ar,R1,R2和n具有式(I)的含义,在酸性条件下与过氧化氢反应,反应在酸结合剂的存在下进行。 优选使用碱硫酸盐,硫酸铵,碱式硫酸氢盐和/或硫酸氢铵作为酸结合剂。 在这种方法中,可以以简单和安全的方式以高产率制备高烷基氢过氧化物。

    Process for cross-linking of non-polar polymers in high frequency
electric alternating fields
    4.
    发明授权
    Process for cross-linking of non-polar polymers in high frequency electric alternating fields 失效
    非极性聚合物在高频电动交变场中交联的方法

    公开(公告)号:US4419197A

    公开(公告)日:1983-12-06

    申请号:US260481

    申请日:1981-05-04

    CPC分类号: C08K5/1535

    摘要: The present invention provides a process for cross-linking non-polar polymers in a high-frequency electric alternating field with the use of a peroxide as cross-linking agent, wherein the cross-linking agent used is a peroxide of the general formula: ##STR1## in which R.sup.1 is a hydrogen atom, an alkyl radical containing up to 4 carbon atoms or a phenyl radical optionally substituted by halogen atoms or alkyl radicals containing up to 4 carbon atoms;R.sup.2, R.sup.3, R.sup.4 and R.sup.5, which can be the same or different, are hydrogen atoms or, together with the carbon atoms to which they are attached, represent o-phenylene radicals;A is a straight-chained or branched alkylene radical containing up to 5 carbon atoms or a straight-chained or branched alkylene radical containing up to 5 carbon atoms or a phenylene radical and;R.sup.6 is a hydrogen atom or a radical of the general formula ##STR2## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identified as above.

    摘要翻译: 本发明提供了一种使用过氧化物作为交联剂在高频电动交变场中交联非极性聚合物的方法,其中使用的交联剂是以下通式的过氧化物: IMAGE>其中R1是氢原子,含有至多4个碳原子的烷基或任选被卤素原子取代的苯基或含有至多4个碳原子的烷基; R 2,R 3,R 4和R 5可相同或不同,为氢原子,或与它们相连的碳原子一起代表邻苯基; A是含有至多5个碳原子的直链或支链亚烷基或含有至多5个碳原子的直链或支链亚烷基或亚苯基; R6是氢原子或通式为“IMAGE”的基团,其中R 1,R 2,R 3,R 4和R 5如上所述。

    Process and agent for cross-linking organopolysiloxanes
    6.
    发明授权
    Process and agent for cross-linking organopolysiloxanes 失效
    交联有机聚硅氧烷的工艺和试剂

    公开(公告)号:US4743671A

    公开(公告)日:1988-05-10

    申请号:US12989

    申请日:1987-02-10

    CPC分类号: C08K5/14

    摘要: The present invention provides a process for cross-linking organopolysiloxanes by means of a bis-benzoyl peroxide derivative with heating, wherein, as bis-benzoyl peroxide derivative, there is used at least one compound of the general formula: ##STR1## in which the symbols R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5, each independently of one another, have the following meanings: R.sup.1 and R.sup.5 are the same or different and signify alkoxycarbonyl radicals with 2 to 4 carbon atoms in the alkyl moiety or fluorine or hydrogen atoms, R.sup.2 and R.sup.4 are the same or different and signify alkyl radicals with 2 to 8 carbon atoms or hydrogen atoms and R.sup.3 signifies an alkyl radical with 1 to 8 carbon atoms or a hydrogen atom, at least 2 symbols and at most 4 symbols per benzene ring signifying hydrogen atoms.The present invention also provides an agent for carrying out this process which consists essentially of silicone oil in which is contained, in finely divided form, 10 to 80% by weight of at least one compound of general formula (I).

    摘要翻译: 本发明提供了一种通过加热将双 - 苯甲酰基过氧化物衍生物与有机聚硅氧烷交联的方法,其中作为双 - 过氧化苯甲酰衍生物,使用至少一种下列通式的化合物:(I) 其中符号R 1,R 2,R 3,R 4和R 5彼此独立地具有以下含义:R 1和R 5相同或不同,表示烷基部分中具有2至4个碳原子的烷氧基羰基或氟或 氢原子,R2和R4相同或不同,表示具有2至8个碳原子或氢原子的烷基,R 3表示具有1至8个碳原子或氢原子的烷基,至少2个符号和至多4个符号 每个苯环表示氢原子。 本发明还提供了一种用于进行该方法的试剂,其基本上由硅油组成,其中以细碎形式含有10至80重量%的至少一种通式(I)的化合物。

    Process for the production of polyolefins and a catalyst for carrying
out the process
    8.
    发明授权
    Process for the production of polyolefins and a catalyst for carrying out the process 失效
    用于生产聚烯烃的方法和用于进行该方法的催化剂

    公开(公告)号:US5756616A

    公开(公告)日:1998-05-26

    申请号:US687479

    申请日:1996-08-05

    CPC分类号: C08F10/00

    摘要: For the production of polyolefins by polymerization of .alpha.-olefins in the presence of a peroxide catalyst a catalyst system is used as the catalyst which is composed of the components (A) and (B) in which: (A) denotes at least one compound selected from the group of organoaluminium compounds of formula AlR3 in which R represents an alkyl, alkenyl, aryl or cycloalkyl group; and (B) denotes at least one organic peroxide.

    摘要翻译: PCT No.PCT / EP95 / 00381 Sec。 371日期:1996年8月5日 102(e)日期1996年8月5日PCT提交1995年2月2日PCT公布。 公开号WO95 / 21200 日期1995年8月10日为了通过在过氧化物催化剂存在下聚合α-烯烃来生产聚烯烃,使用催化剂体系作为由组分(A)和(B)组成的催化剂,其中:(A) 表示至少一种选自式AlR 3的有机铝化合物的化合物,其中R表示烷基,烯基,芳基或环烷基; 和(B)表示至少一种有机过氧化物。

    Bleaching and delignifying cellulosic pulp using caroate/caro's acid solution
    9.
    发明授权
    Bleaching and delignifying cellulosic pulp using caroate/caro's acid solution 失效
    使用胡萝卜/卡罗酸溶液漂白和脱木质纤维素浆

    公开(公告)号:US06511578B2

    公开(公告)日:2003-01-28

    申请号:US09381288

    申请日:1999-09-21

    IPC分类号: D21C910

    CPC分类号: D21C9/166

    摘要: The invention relates to a method of bleaching and/or delignifying cellulose, in which (a) a sodium hydroxide solution and a peroxydisulphate solution are first of all produced by electrolysis of a sulphate, (b) the peroxydisulphate solution is converted by hydrolysis into a Caro's acid/caroate solution, (c) said Caro's acid/caroate solution is left to cool and (d) used immediately as a bleaching solution for bleaching and/or delignifying cellulose, the Caro's acid/caroate solution becoming neutralised upon introduction into the bleaching solution.

    摘要翻译: 本发明涉及一种漂白和/或脱木质纤维素的方法,其中(a)氢氧化钠溶液和过氧化二硫酸盐溶液首先通过电解硫酸盐产生,(b)过氧化二硫酸盐溶液通过水解转化成 Caro酸/胡萝卜素溶液,(c)Caro酸/胡萝卜素溶液冷却,(d)立即用作漂白和/或脱木素纤维素漂白溶液,Caro酸/胡萝卜素溶液在引入漂白后中和 解。

    Master batch compositions containing organic peroxides
    10.
    发明授权
    Master batch compositions containing organic peroxides 失效
    含有机过氧化物的母料组合物

    公开(公告)号:US5589526A

    公开(公告)日:1996-12-31

    申请号:US543005

    申请日:1995-10-13

    IPC分类号: C08J3/22 C08K5/14 C08L9/00

    摘要: The present invention provides a master batch composition based on elastomeric carriers, comprising an organic peroxide, a plasticizer and a filling material and optionally further additives compatible with the organic peroxide, wherein, in addition to the elastomeric carrier, it contains a polyoctenamer.The present invention also provides a process for the production of a master batch composition, wherein (a) the elastomeric carrier, the polyoctenamer, the plasticizer and optionally a part of the filling material or filling material mixture are homogeneously mixed and thereafter (b) the filling material or the filling material mixture or possibly the remaining amounts thereof, together with the organic peroxide, are incorporated at a temperature below the decomposition temperature of the peroxide.On the basis of its properties and of the simple and reliable production thereof, the master batch composition according to the present invention is very suitable as a modification agent and especially as a cross-linking initiator for the further working up of elastomeric mixtures.

    摘要翻译: 本发明提供了基于弹性体载体的母料组合物,其包含有机过氧化物,增塑剂和填充材料,以及任选地与有机过氧化物相容的其它添加剂,其中除了弹性体载体之外,还含有聚辛烯。 本发明还提供了一种制备母料组合物的方法,其中(a)弹性体载体,聚辛烯,增塑剂和任选的填充材料或填充材料混合物的一部分均匀混合,之后(b) 填充材料或填充材料混合物或其余量与有机过氧化物一起在低于过氧化物分解温度的温度下引入。 基于其性质及其可靠的生产方法,本发明的母料组合物非常适合用作改性剂,特别是用作进一步加工弹性体混合物的交联引发剂。