利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

18 条记录 (耗时 0.029 秒)

    Use of urea derivatives as accelerators for epoxy resins
    5.
    发明申请
    Use of urea derivatives as accelerators for epoxy resins 有权
    使用脲衍生物作为环氧树脂的促进剂

    公开(公告)号：US20070027274A1

    公开(公告)日：2007-02-01

    申请号：US10558160

    申请日：2004-05-28

    申请人： Bjorn Antelmann ,  Sylvia Huber ,  Thomas Guthner

    发明人： Bjorn Antelmann ,  Sylvia Huber ,  Thomas Guthner

    IPC分类号： C08L63/00 ,  C08G59/68

    CPC分类号： C08G59/4021

    摘要： A description is given of the use of asymmetrically substituted urea derivatives of the general formula (I) where R1 and R2 each independently are a linear or branched aliphatic hydrocarbon radical having 1 to 4 carbon atoms as accelerators in combination with dicyandiamide as latent hardener for epoxy resin systems based on unhalogenated or halogenated bisphenols of type A or F and also based on resorcinol or tetrakisphenylolethane. The advangages of the inventively proposed accelerator/hardener combination are, for example, the excellent reactivity and very good storage stability. Moreover, the mechanical properties of the resins cured accordingly are likewise outstanding.

    摘要翻译： 给出了使用通式（I）的不对称取代的脲衍生物，其中R 1和R 2各自独立地是具有直链或支链的脂族烃基，其具有 1至4个碳原子作为加速剂与双氰胺组合，作为基于A或F的非卤化或卤化双酚的环氧树脂体系的潜在硬化剂，也基于间苯二酚或四苯基乙基乙烷。 本发明提出的加速剂/固化剂组合的优点是例如优异的反应性和非常好的储存稳定性。 此外，相应地固化的树脂的机械性能同样突出。

    Flexible preparation of propene and hexene
    6.
    发明授权
    Flexible preparation of propene and hexene 有权
    丙烯和己烯的灵活配制

    公开(公告)号：US06580009B2

    公开(公告)日：2003-06-17

    申请号：US09803147

    申请日：2001-03-12

    申请人： Peter Schwab ,  Ralf Schulz ,  Sylvia Huber

    发明人： Peter Schwab ,  Ralf Schulz ,  Sylvia Huber

    IPC分类号： C07C604

    CPC分类号： C07C11/107 ,  C07C7/163 ,  C07C11/06 ,  C07C41/06 ,  C07C41/42 ,  C07C2521/02 ,  C07C2521/04 ,  C07C2521/12 ,  C07C2523/36 ,  C07C2523/42 ,  C07C2523/44 ,  C07C2523/755 ,  C10G70/00 ,  Y02P30/464 ,  C07C43/04

    摘要： The process for preparing propene and hexene from a raffinate II feed stream comprising olefinic C4-hydrocarbons comprises a) a metathesis reaction in which butenes present in the feed stream are reacted with ethene in the presence of a metathesis catalyst comprising at least one compound of a metal of transition groups VIb, VIIb or VIII of the Periodic Table of the Elements to give a mixture comprising ethene, propene, butenes, 2-pentene, 3-hexene and butanes, using, based on the butenes, from 0.05 to 0.6 molar equivalents of ethene, b) firstly fractionally distilling the product stream obtained in this way to give a low-boiling fraction A comprising C2-C3-olefins and a high-boiling fraction comprising C4-C6-olefins and butanes, c) subsequently fractionally distilling the low-boiling fraction A obtained from b) to give an ethene-containing fraction and a propene-containing fraction, with the ethene-containing fraction being returned to the process step a) and the propene-containing fraction being discharged as product, d) subsequently fractionally distilling the high-boiling fraction obtained from b) to give a low-boiling fraction B comprising butenes and butanes, a pentene-containing intermediate-boiling fraction C and a hexene-containing high-boiling fraction D, e) where the fractions B and C are completely or partly returned to the process step a) and the fraction D is discharged as product.

    摘要翻译： 从包含烯烃C 4烃的提余液II进料流中制备丙烯和己烯的方法包括：a）复分解反应，其中存在于进料流中的丁烯与乙烯在复分解催化剂存在下反应，所述复分解催化剂包含至少一种金属化合物 的元素周期表的VIb，VIIb或VIII族的过渡族VIb，VIIb或VIII化合物，得到包含乙烯，丙烯，丁烯，2-戊烯，3-己烯和丁烷的混合物，使用基于丁烯的0.05至0.6摩尔当量的 乙烯，b）首先对以这种方式获得的产物流进行分馏，得到包含C 2 -C 3 - 烯烃的低沸点馏分A和包含C 4 -C 6烯烃和丁烷的高沸点馏分，c）随后分馏出低 - 从b）得到的沸腾馏分A得到含乙烯馏分和含丙烯馏分，含乙烯馏分返回到方法步骤a）和含丙烯的馏分 离子作为产物排出，d）随后分馏从b）获得的高沸点馏分，得到包含丁烯和丁烷的低沸点馏分B，含戊烯的中间沸点馏分C和含己烯的高沸点 馏分D，e）其中馏分B和C完全或部分地返回到方法步骤a），馏分D作为产物排出。

    Substituted urea accelerator with dicyandiamide for epoxy resin systems
    8.
    发明授权
    Substituted urea accelerator with dicyandiamide for epoxy resin systems 有权
    用于环氧树脂体系的双氰胺取代的脲促进剂

    公开(公告)号：US07750107B2

    公开(公告)日：2010-07-06

    申请号：US10558160

    申请日：2004-05-28

    申请人： Björn Antelmann ,  Sylvia Huber ,  Thomas Güthner

    发明人： Björn Antelmann ,  Sylvia Huber ,  Thomas Güthner

    IPC分类号： C08G59/50 ,  C08L63/00 ,  C08L63/02

    CPC分类号： C08G59/4021

    摘要： A description is given of the use of asymmetrically substituted urea derivatives of the general formula (I) where R1 and R2 each independently are a linear or branched aliphatic hydrocarbon radical having 1 to 4 carbon atoms as accelerators in combination with dicyandiamide as latent hardener for epoxy resin systems based on unhalogenated or halogenated bisphenols of type A or F and also based on resorcinol or tetrakisphenylolethane. The advantages of the inventively proposed accelerator/hardener combination are, for example, the excellent reactivity and very good storage stability. Moreover, the mechanical properties of the resins cured accordingly are likewise outstanding.

    摘要翻译： 给出了使用通式（I）的不对称取代的脲衍生物，其中R 1和R 2各自独立地是具有1至4个碳原子的直链或支链脂族烃基作为加速剂与双氰胺作为环氧树脂的潜在硬化剂 基于A或F型的未卤化或卤化双酚的树脂体系，也基于间苯二酚或四苯基乙基乙烷。 本发明提出的加速剂/固化剂组合的优点是例如优异的反应性和非常好的储存稳定性。 此外，相应地固化的树脂的机械性能同样突出。

    Preparation of C5-/C6-olefins
    9.
    发明授权
    Preparation of C5-/C6-olefins 失效
    制备C5- / C6-烯烃

    公开(公告)号：US06538168B1

    公开(公告)日：2003-03-25

    申请号：US09610942

    申请日：2000-07-06

    申请人： Peter Schwab ,  Michael Schulz ,  Ralf Schulz ,  Sylvia Huber

    发明人： Peter Schwab ,  Michael Schulz ,  Ralf Schulz ,  Sylvia Huber

    IPC分类号： C07C602

    CPC分类号： C07C7/14891 ,  C07C7/005 ,  C07C7/10 ,  C07C7/163 ,  C07C11/06 ,  C07C11/10 ,  C07C11/107 ,  C07C2521/04 ,  C07C2521/08 ,  C07C2523/36 ,  Y02P20/52

    摘要： A process for preparing C5/C6-olefins from an olefinic starting stream comprising C4-hydrocarbons comprises a) carrying out a metathesis reaction in the presence of a metathesis catalyst so as to convert the 1-butene, 2-butene and isobutene present in the starting stream into a mixture of C2-C6-olefins and butanes, b) firstly fractioning the resulting product stream by distillation to give a low boiler fraction A comprising C2-C4-olefins and butanes or C2-C3-olefins, which is discharged, and a high boiler fraction comprising C4-C8-olefins and butanes, c) fractioning the high boiler fraction from b) by distillation to give a low boiler fraction B comprising butenes and butanes, an intermediate boiler fraction C comprising pentene and methylbutene and a high boiler fraction D comprising hexane and methylpentene, d) where all or part of the fraction B and/or C are recirculated to the process step a) and the fraction D is discharged as product.

    摘要翻译： 从包含C 4烃的烯烃原料流制备C5 / C6-烯烃的方法包括：a）在复分解催化剂存在下进行复分解反应，以便转化起始中存在的1-丁烯，2-丁烯和异丁烯 流入C2-C6-烯烃和丁烷的混合物中，b）首先通过蒸馏对所得产物流进行分馏，得到包含C2-C4-烯烃和排出的丁烷或C2-C3-烯烃的低沸点馏分A，以及 包含C4-C8-烯烃和丁烷的高沸点馏分，c）通过蒸馏从b）中分馏高沸点馏分，得到包含丁烯和丁烷的低沸点馏分B，包含戊烯和甲基丁烯的中间锅炉馏分C和高锅炉 馏分D包括己烷和甲基戊烯，d）其中全部或部分馏分B和/或C再循环到方法步骤a），馏分D作为产物排出。