Highly branched diene polymers
    1.
    发明授权
    Highly branched diene polymers 失效
    高分支二烯聚合物

    公开(公告)号:US07034081B2

    公开(公告)日:2006-04-25

    申请号:US10660038

    申请日:2003-09-11

    IPC分类号: C08F8/00

    摘要: The present invention relates to highly branched and coupled polymers based on conjugated dienes or on conjugated dienes and vinylaromatic compounds and on polyfunctional, organic compounds with at least four groups which are capable of coupling. Vulcanization products and shaped rubber articles of all types, in particular tires having an improved rolling resistance, can be produced from the highly branched diene polymers according to the present invention.

    摘要翻译: 本发明涉及基于共轭二烯或共轭二烯和乙烯基芳族化合物的高度支化和偶联的聚合物和具有至少四个能够偶联的基团的多官能有机化合物。 各种类型的硫化产品和成型橡胶制品,特别是具有改善的滚动阻力的轮胎,可以由根据本发明的高支化二烯聚合物制备。

    Process for determining a molecular weight distribution in a polymer
    4.
    发明申请
    Process for determining a molecular weight distribution in a polymer 失效
    确定聚合物中分子量分布的方法

    公开(公告)号:US20080162055A1

    公开(公告)日:2008-07-03

    申请号:US11982912

    申请日:2007-11-06

    IPC分类号: G01N31/00

    摘要: The invention relates to a process for determining a molecular weight distribution in a polymer. When a polymer is prepared, chains of different length are formed. Correspondingly, a distribution of the molecular weights of the chains of a polymer arises.It is an object of the invention to be able to determine the molecular weight distribution in an improved manner compared to the prior art.The object of the invention is achieved by describing starting data G*(ω) available in numerical form, i.e. the complex shear modulus measured as a function of frequency or the mastercurve constructed therefrom, are described by an analytical function. In this way, exact knowledge of the relaxation behaviour is available in improved form, in particular also in the case of prolonged relaxation times. This enables a valid determination of the relaxation time spectrum and hence a fundamentally more valid calculation of the molecular weight distribution.

    摘要翻译: 本发明涉及一种测定聚合物中分子量分布的方法。 当制备聚合物时,形成不同长度的链。 相应地,产生聚合物链的分子量分布。 与现有技术相比,本发明的目的是能够以改进的方式确定分子量分布。 本发明的目的是通过描述以数值形式获得的起始数据G *(ω),即通过分析函数来描述作为频率函数测量的复数剪切模量或由其构成的主曲线来实现的。 以这种方式,可以以改进的形式获得关于松弛行为的确切知识,特别是在长时间的松弛时间的情况下。 这使得能够有效地确定弛豫时间谱,因此可以从根本上更有效地计算分子量分布。

    Process for determining a molecular weight distribution in a polymer
    6.
    发明授权
    Process for determining a molecular weight distribution in a polymer 失效
    确定聚合物中分子量分布的方法

    公开(公告)号:US07917308B2

    公开(公告)日:2011-03-29

    申请号:US11982912

    申请日:2007-11-06

    IPC分类号: G01N31/00 C08F2/00

    摘要: The invention relates to a process for determining a molecular weight distribution in a polymer. When a polymer is prepared, chains of different length are formed. Correspondingly, a distribution of the molecular weights of the chains of a polymer arises.It is an object of the invention to be able to determine the molecular weight distribution in an improved manner compared to the prior art.The object of the invention is achieved by describing starting data G*(ω) available in numerical form, i.e. the complex shear modulus measured as a function of frequency or the mastercurve constructed therefrom, are described by an analytical function. In this way, exact knowledge of the relaxation behaviour is available in improved form, in particular also in the case of prolonged relaxation times. This enables a valid determination of the relaxation time spectrum and hence a fundamentally more valid calculation of the molecular weight distribution.

    摘要翻译: 本发明涉及一种测定聚合物中分子量分布的方法。 当制备聚合物时,形成不同长度的链。 相应地,产生聚合物链的分子量分布。 与现有技术相比,本发明的目的是能够以改进的方式确定分子量分布。 本发明的目的是通过描述以数值形式获得的起始数据G *(ω),即通过分析函数描述作为频率或由其构成的主曲线测量的复数剪切模量来实现的。 以这种方式,可以以改进的形式获得关于松弛行为的确切知识,特别是在长时间的松弛时间的情况下。 这使得能够有效地确定弛豫时间谱,因此可以从根本上更有效地计算分子量分布。

    Microgel-containing vulcanizable composition based on hydrogenated nitrile rubber
    9.
    发明申请
    Microgel-containing vulcanizable composition based on hydrogenated nitrile rubber 审中-公开
    基于氢化丁腈橡胶的含微粒凝胶的可硫化组合物

    公开(公告)号:US20070135579A1

    公开(公告)日:2007-06-14

    申请号:US11636943

    申请日:2006-12-11

    IPC分类号: C08L9/02

    摘要: A novel vulcanizable composition is provided, based on at least one hydrogenated nitrile rubber, on at least one peroxide, on at least one unsaturated carboxylic acid and/or salts thereof, and also on specific microgels. These vulcanizable compositions can be used to obtain vulcanized products which can in particular be used for drive belts, roll coverings, hoses and cables.

    摘要翻译: 基于至少一种氢化丁腈橡胶,在至少一种过氧化物上,至少一种不饱和羧酸和/或其盐,以及特定的微凝胶上提供新的可硫化组合物。 这些可硫化组合物可用于获得特别用于传动带,辊套,软管和电缆的硫化产品。