Process for producing conjugated diene polymer
    2.
    发明授权
    Process for producing conjugated diene polymer 有权
    共轭二烯聚合物的制造方法

    公开(公告)号:US08304503B2

    公开(公告)日:2012-11-06

    申请号:US13133547

    申请日:2009-12-25

    IPC分类号: C08F4/44 C08F136/06

    CPC分类号: C08F36/04 C08F4/545

    摘要: Disclosed is a process for producing a conjugated diene polymer having a very high content of cis-1,4 structures by using an yttrium compound-containing catalyst that is relatively easy to handle and has a high activity. Specifically disclosed is a process for producing a conjugated diene polymer containing cis-1,4 structures at a ratio of 99% or higher, which is characterized by polymerizing a conjugated diene in the presence of a catalyst produced from (A) a specific yttrium compound, (B) an ionic compound consisting of a non-coordinating anion and a cation, and (C) an organoaluminum compound.

    摘要翻译: 公开了通过使用相对容易处理并具有高活性的含钇化合物的催化剂制备具有非常高含量顺式-1,4结构的共轭二烯聚合物的方法。 具体公开了一种以99%以上的比例制造含顺式-1,4-结构的共轭二烯系聚合物的方法,其特征在于,在(A)特定的钇化合物 ,(B)由非配位阴离子和阳离子组成的离子化合物,和(C)有机铝化合物。

    PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER
    3.
    发明申请
    PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER 有权
    生产共轭二烯聚合物的方法

    公开(公告)号:US20110263803A1

    公开(公告)日:2011-10-27

    申请号:US13133547

    申请日:2009-12-25

    IPC分类号: C08F4/54 C08F36/06 C08F4/58

    CPC分类号: C08F36/04 C08F4/545

    摘要: Disclosed is a process for producing a conjugated diene polymer having a very high content of cis-1,4 structures by using an yttrium compound-containing catalyst that is relatively easy to handle and has a high activity. Specifically disclosed is a process for producing a conjugated diene polymer containing cis-1,4 structures at a ratio of 99% or higher, which is characterized by polymerizing a conjugated diene in the presence of a catalyst produced from (A) a specific yttrium compound, (B) an ionic compound consisting of a non-coordinating anion and a cation, and (C) an organoaluminum compound.

    摘要翻译: 公开了通过使用相对容易处理并具有高活性的含钇化合物的催化剂制备具有非常高含量顺式-1,4结构的共轭二烯聚合物的方法。 具体公开了一种以99%以上的比例制造含顺式-1,4-结构的共轭二烯系聚合物的方法,其特征在于,在(A)特定的钇化合物 ,(B)由非配位阴离子和阳离子组成的离子化合物,和(C)有机铝化合物。

    Method for producing polybutadiene
    4.
    发明申请
    Method for producing polybutadiene 有权
    生产聚丁二烯的方法

    公开(公告)号:US20090143548A1

    公开(公告)日:2009-06-04

    申请号:US12227521

    申请日:2007-05-17

    IPC分类号: C08F2/00

    摘要: A method for producing a polybutadiene, which comprises subjecting 1,3-butadiene to cis-1,4 polymerization, and subsequently subjecting a resultant in the resulting polymerization system to syndiotactic-1,2 polymerization, the method being characterized in that there is added, after the polymerization, a halogen acid or halogen acid salt.

    摘要翻译: 一种聚丁二烯的制造方法,其特征在于,将1,3-丁二烯进行顺式-1,4-聚合,然后将得到的聚合体系中的所得物进行间规-1,2-聚合,其特征在于,添加 聚合后,可以使用卤素酸或卤素酸盐。

    CONJUGATED DIENE POLYMER MANUFACTURING METHOD, POLYBUTADIENE, AND RUBBER COMPOSITION UTILIZING THE SAME
    5.
    发明申请
    CONJUGATED DIENE POLYMER MANUFACTURING METHOD, POLYBUTADIENE, AND RUBBER COMPOSITION UTILIZING THE SAME 有权
    连接二烯聚合物制造方法,聚丁二烯和使用其的橡胶组合物

    公开(公告)号:US20110269899A1

    公开(公告)日:2011-11-03

    申请号:US13133084

    申请日:2009-12-04

    摘要: Provided by using a catalyst containing an yttrium compound is conjugated diene polymer with very low solution viscosity, improved workability, high degree of branching, and high content of cis-1,4 structures. Also provided is a rubber composition utilizing the polymer and allowing excellent dispersion of reinforcing agent. According to a method of manufacturing a conjugated diene polymer characterized by polymerizing a conjugated diene at 50 to 120° C. in the presence of a catalyst obtained from (A) an yttrium compound, (B) an ionic compound consisting of a non-coordinating anion and a cation, and (C) an organoaluminum compound, the conjugated diene polymer has the following characteristics that: (1) a ratio (Tcp/ML1+4) between a 5 wt % toluene solution viscosity (Tcp) measured at 25° C. and a Mooney viscosity (ML1+4) at 100° C. is 0.1 to 1.2; and (2) a content of cis-1,4 structures is 80% or higher, and a content of 1,2 structures is lower than 5%.

    摘要翻译: 通过使用含有钇化合物的催化剂提供的是具有非常低的溶液粘度,改进的加工性,高支化度和高含量的顺式-1,4结构的共轭二烯聚合物。 还提供了一种利用该聚合物的橡胶组合物,并且能够提供增强剂的优异分散性。 根据制备共轭二烯聚合物的方法,其特征在于在(A)钇化合物得到的催化剂存在下,在50〜120℃下共聚共轭二烯,(B)由非配位的 阴离子和阳离子,和(C)有机铝化合物,共轭二烯聚合物具有以下特性:(1)在25℃下测量的5重量%甲苯溶液粘度(Tcp)之间的比率(Tcp / ML1 + 4) 在100℃下的门尼粘度(ML1 + 4)为0.1〜1.2; 和(2)顺式-1,4结构的含量为80%以上,1,2结构的含量低于5%。

    Conjugated diene polymer manufacturing method, polybutadiene, and rubber composition utilizing the same
    6.
    发明授权
    Conjugated diene polymer manufacturing method, polybutadiene, and rubber composition utilizing the same 有权
    共轭二烯聚合物制造方法,聚丁二烯和使用其的橡胶组合物

    公开(公告)号:US08283401B2

    公开(公告)日:2012-10-09

    申请号:US13133084

    申请日:2009-12-04

    IPC分类号: C08K3/34 C08L9/00

    摘要: Provided by using a catalyst containing an yttrium compound is conjugated diene polymer with very low solution viscosity, improved workability, high degree of branching, and high content of cis-1,4 structures. Also provided is a rubber composition utilizing the polymer and allowing excellent dispersion of reinforcing agent. According to a method of manufacturing a conjugated diene polymer characterized by polymerizing a conjugated diene at 50 to 120° C. in the presence of a catalyst obtained from (A) an yttrium compound, (B) an ionic compound consisting of a non-coordinating anion and a cation, and (C) an organoaluminum compound, the conjugated diene polymer has the following characteristics that: (1) a ratio (Tcp/ML1+4) between a 5 wt % toluene solution viscosity (Tcp) measured at 25° C. and a Mooney viscosity (ML1+4) at 100° C. is 0.1 to 1.2; and (2) a content of cis-1,4 structures is 80% or higher, and a content of 1,2 structures is lower than 5%.

    摘要翻译: 通过使用含有钇化合物的催化剂提供的是具有非常低的溶液粘度,改进的加工性,高支化度和高含量的顺式-1,4结构的共轭二烯聚合物。 还提供了一种利用该聚合物的橡胶组合物,并且能够提供增强剂的优异分散性。 根据制备共轭二烯聚合物的方法,其特征在于在(A)钇化合物得到的催化剂存在下,在50〜120℃下共聚共轭二烯,(B)由非配位的 阴离子和阳离子,和(C)有机铝化合物,共轭二烯聚合物具有以下特性:(1)在25℃下测量的5重量%甲苯溶液粘度(Tcp)之间的比率(Tcp / ML1 + 4) 在100℃下的门尼粘度(ML1 + 4)为0.1〜1.2; 和(2)顺式-1,4结构的含量为80%以上,1,2结构的含量低于5%。

    Process for preparing piperonal
    7.
    发明授权
    Process for preparing piperonal 失效
    胡椒醛的制备方法

    公开(公告)号:US06686482B2

    公开(公告)日:2004-02-03

    申请号:US10182485

    申请日:2002-07-30

    IPC分类号: C07D31754

    CPC分类号: C07D317/54

    摘要: The present invention is to provide a process for producing piperonal which comprises continuous three steps of: (A) an addition reaction step wherein 1,2-methylenedioxybenzene and glyoxylic acid are reacted to form 3,4-methylenedioxymandelic acid in the presence of a strong acid, (B) an extraction step wherein an organic solvent is then added to a reaction mixture and the mixture is neutralized with a base to extract 3,4-methylenedioxymandelic acid in an organic solvent layer, and separating the organic solvent layer and an aqueous layer, and (C) an oxidation reaction step wherein the aqueous layer is removed and the organic solvent layer is concentrated, and then, nitric acid is added to a concentrate, and the 3,4-methylenedioxymandelic acid and nitric acid are reacted to form piperonal.

    摘要翻译: 本发明提供一种生产胡椒醛的方法,其包括连续三个步骤:(A)加成反应步骤,其中1,2-亚甲二氧基苯和乙醛酸在强的存在下反应形成3,4-亚甲二氧基扁桃酸 酸,(B)提取步骤,其中将有机溶剂加入到反应混合物中,并将混合物用碱中和以在有机溶剂层中提取3,4-亚甲二氧基扁桃酸,并将有机溶剂层和水性 层,和(C)氧化反应步骤,其中除去水层并浓缩有机溶剂层,然后向浓缩物中加入硝酸,并使3,4-亚甲二氧基扁桃酸和硝酸反应形成 胡椒醛

    Process for the preparation of 3,4-methylenedioxymandelic acid
    10.
    发明授权
    Process for the preparation of 3,4-methylenedioxymandelic acid 失效
    制备3,4-亚甲二氧基扁桃酸的方法

    公开(公告)号:US06603024B1

    公开(公告)日:2003-08-05

    申请号:US10110263

    申请日:2002-04-02

    IPC分类号: C07D32302

    CPC分类号: C07D317/60

    摘要: A process for preparing 3,4-methylenedioxymandelic acid by reacting 1,2-methylenedioxybenzene with glyoxylic acid in the presence of a strong acid and of at least one substance selected from the group consisting of an aprotic organic solvent and 100 to 1200 ml of an organic acid per kg of 1,2-methylenedioxybenzene.

    摘要翻译: 一种通过1,2-亚甲二氧基苯与乙醛酸在强酸和至少一种选自非质子有机溶剂和100至1200ml 有机酸/ kg 1,2-亚甲二氧基苯。