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    Rubber composition for breaker and pneumatic tire
    12.
    发明授权
    Rubber composition for breaker and pneumatic tire 有权
    断路器和充气轮胎的橡胶组合物

    公开(公告)号：US08633275B2

    公开(公告)日：2014-01-21

    申请号：US13117182

    申请日：2011-05-27

    申请人： Toshiaki Sakaki ,  Naoya Ichikawa ,  Masako Iwamoto

    发明人： Toshiaki Sakaki ,  Naoya Ichikawa ,  Masako Iwamoto

    IPC分类号： C08L9/00

    CPC分类号： C08L7/00 ,  B60C2001/0066 ,  C08C1/04 ,  C08K3/04 ,  C08K3/36 ,  C08L9/06

    摘要： The present invention provides a rubber composition for a breaker, which achieves both good fuel economy and good breaking performance while simultaneously having excellent processability, and a pneumatic tire including a breaker produced using the rubber composition. The present invention relates to a rubber composition for a breaker, including: a rubber component that contains a modified natural rubber, the rubber having a phosphorus content of 200 ppm or less; and carbon black and/or a white filler, wherein the rubber composition contains 5% by mass or more of the modified natural rubber based on 100% by mass of the rubber component.

    摘要翻译： 本发明提供了一种用于断路器的橡胶组合物，其具有良好的燃料经济性和良好的断裂性能，同时具有优异的加工性能，以及包括使用该橡​​胶组合物制备的断路器的充气轮胎。 本发明涉及一种用于破碎机的橡胶组合物，包括：含有改性天然橡胶的橡胶组分，该磷含量为200ppm以下的橡胶; 和炭黑和/或白色填料，其中，基于100质量％的橡胶组分，橡胶组合物含有5质量％以上的改性天然橡胶。

    Preparation process of oil extended rubber for tire, oil extended rubber for tire, and rubber composition and tire using the same
    13.
    发明授权
    Preparation process of oil extended rubber for tire, oil extended rubber for tire, and rubber composition and tire using the same 有权
    用于轮胎的油延伸橡胶，轮胎用油延伸橡胶，橡胶组合物和使用其的轮胎的制备方法

    公开(公告)号：US08044118B2

    公开(公告)日：2011-10-25

    申请号：US11723680

    申请日：2007-03-21

    申请人： Toshiaki Sakaki ,  Naoya Ichikawa ,  Takayuki Hattori ,  Chee-Cheong Ho ,  Choong Dick Hean

    发明人： Toshiaki Sakaki ,  Naoya Ichikawa ,  Takayuki Hattori ,  Chee-Cheong Ho ,  Choong Dick Hean

    IPC分类号： C08C1/14 ,  B60C1/00

    CPC分类号： C08K5/0016 ,  C08C1/14 ,  C08C19/06 ,  C08K5/01 ,  C08K5/103 ,  C08L21/00 ,  C08L15/00

    摘要： The present invention provides a process for preparing an oil extended rubber, in which an effect on environments can be taken into consideration, provision for the future decrease of petroleum supply can be satisfied, and further, strength is excellent without molecular breakage, an oil extended rubber obtained by the preparation process, and a tire using the oil extended rubber. A process for preparing an oil extended rubber, comprising (a) a step of preparing an oil-in-water type emulsion by emulsifying a vegetable oil having an iodine value of not less than 135 with a surfactant, (b) a step of mixing said emulsion and a modified natural rubber latex, and then aging the mixture, and (c) a step of coagulating the mixture obtained in the step (b) to obtain a lump of a rubber, an oil extended rubber obtained by the preparation process, and a rubber composition for a tire and a tire which use the oil extended rubber.

    摘要翻译： 本发明提供了一种制备延油橡胶的方法，其中可以考虑对环境的影响，可以满足将来石油供应减少的要求，而且在没有分子破裂的情况下，强度优异，油扩展 通过制备方法获得的橡胶，以及使用延油橡胶的轮胎。 一种制备延油橡胶的方法，包括（a）通过用表面活性剂乳化碘值不小于135的植物油来制备水包油型乳液的步骤，（b）混合步骤 所述乳液和改性天然橡胶胶乳，然后使所述混合物老化，和（c）使步骤（b）中获得的混合物凝固的步骤获得橡胶块，通过制备方法获得的延油橡胶， 以及使用该油延伸橡胶的轮胎和轮胎用橡胶组合物。

    Modified natural rubber, method for producing same, rubber composition, and pneumatic tire
    16.
    发明授权
    Modified natural rubber, method for producing same, rubber composition, and pneumatic tire 有权
    改性天然橡胶，其制造方法，橡胶组合物和充气轮胎

    公开(公告)号：US09181355B2

    公开(公告)日：2015-11-10

    申请号：US13699533

    申请日：2011-06-09

    申请人： Naoya Ichikawa ,  Toshiaki Sakaki ,  Lucksanaporn Tarachiwin ,  Kamalin Kanyawararak

    发明人： Naoya Ichikawa ,  Toshiaki Sakaki ,  Lucksanaporn Tarachiwin ,  Kamalin Kanyawararak

    IPC分类号： C08C3/02 ,  C08C4/00 ,  C08C1/04 ,  B60C1/00 ,  C08L15/00

    CPC分类号： C08C1/04 ,  B60C1/0016 ,  B60C1/0025 ,  C08C3/02 ,  C08J2307/02 ,  C08L15/00 ,  Y02T10/862

    摘要： The present invention provides a modified natural rubber having a reduced tan δ, a method for producing the modified natural rubber, a rubber composition produced using the modified natural rubber, and a pneumatic tire produced using the rubber composition. The present invention also provides a modified natural rubber having a reduced tan δ, a method for producing the modified natural rubber, a rubber composition produced using the modified natural rubber and achieving good fuel economy and abrasion resistance at the same time, and a pneumatic tire produced using the rubber composition. The present invention relates to a modified natural rubber having a phosphorus content of 200 ppm or less and a total content of sodium and potassium of 350 ppm or less. The invention also relates to a modified natural rubber having a phosphorus content of 200 ppm or less and a nitrogen content of 0.2% by mass or less.

    摘要翻译： 本发明提供一种具有降低的tanδ的改性天然橡胶，改性天然橡胶的制造方法，使用改性天然橡胶制造的橡胶组合物，以及使用该橡胶组合物制造的充气轮胎。 本发明还提供了具有降低的tanδ的改性天然橡胶，改性天然橡胶的制造方法，使用改性天然橡胶制造的橡胶组合物，同时实现良好的燃料经济性和耐磨性，以及充气轮胎 使用橡胶组合物生产。 本发明涉及磷含量为200ppm以下，钠和钾的总含量为350ppm以下的改性天然橡胶。 本发明还涉及磷含量为200ppm以下，氮含量为0.2质量％以下的改性天然橡胶。

    MODIFIED NATURAL RUBBER, METHOD FOR PRODUCING SAME, RUBBER COMPOSITION, AND PNEUMATIC TIRE
    17.
    发明申请
    MODIFIED NATURAL RUBBER, METHOD FOR PRODUCING SAME, RUBBER COMPOSITION, AND PNEUMATIC TIRE 有权
    改性天然橡胶，其生产方法，橡胶组合物和气动轮胎

    公开(公告)号：US20130066021A1

    公开(公告)日：2013-03-14

    申请号：US13699533

    申请日：2011-06-09

    申请人： Naoya Ichikawa ,  Toshiaki Sakaki ,  Lucksanaporn Tarachiwin ,  Kamalin Kanyawararak

    发明人： Naoya Ichikawa ,  Toshiaki Sakaki ,  Lucksanaporn Tarachiwin ,  Kamalin Kanyawararak

    IPC分类号： C08F36/08 ,  C08L7/00 ,  C08C1/00

    CPC分类号： C08C1/04 ,  B60C1/0016 ,  B60C1/0025 ,  C08C3/02 ,  C08J2307/02 ,  C08L15/00 ,  Y02T10/862

    摘要： The present invention provides a modified natural rubber having a reduced tan δ, a method for producing the modified natural rubber, a rubber composition produced using the modified natural rubber, and a pneumatic tire produced using the rubber composition. The present invention also provides a modified natural rubber having a reduced tan δ, a method for producing the modified natural rubber, a rubber composition produced using the modified natural rubber and achieving good fuel economy and abrasion resistance at the same time, and a pneumatic tire produced using the rubber composition. The present invention relates to a modified natural rubber having a phosphorus content of 200 ppm or less and a total content of sodium and potassium of 350 ppm or less. The invention also relates to a modified natural rubber having a phosphorus content of 200 ppm or less and a nitrogen content of 0.2% by mass or less.

    摘要翻译： 本发明提供一种具有降低的tanδ的改性天然橡胶，改性天然橡胶的制造方法，使用改性天然橡胶制造的橡胶组合物，以及使用该橡胶组合物制造的充气轮胎。 本发明还提供了具有降低的tanδ的改性天然橡胶，改性天然橡胶的制造方法，使用改性天然橡胶制造的橡胶组合物，同时实现良好的燃料经济性和耐磨性，以及充气轮胎 使用橡胶组合物生产。 本发明涉及磷含量为200ppm以下，钠和钾的总含量为350ppm以下的改性天然橡胶。 本发明还涉及磷含量为200ppm以下，氮含量为0.2质量％以下的改性天然橡胶。

    Deproteinized natural rubber latex, method of preparing the same, rubber product using the same, and proteolytic agent for deproteinized natural rubber latex
    19.
    发明授权
    Deproteinized natural rubber latex, method of preparing the same, rubber product using the same, and proteolytic agent for deproteinized natural rubber latex 有权
    脱蛋白天然橡胶胶乳，其制备方法，使用其的橡胶制品和脱蛋白天然橡胶胶乳的蛋白水解剂

    公开(公告)号：US07172650B2

    公开(公告)日：2007-02-06

    申请号：US11204162

    申请日：2005-08-16

    申请人： Naoya Ichikawa ,  Yoshiaki Miyamoto

    发明人： Naoya Ichikawa ,  Yoshiaki Miyamoto

    IPC分类号： C07D295/18

    CPC分类号： C08C1/04

    摘要： The present invention provides a deproteinized natural rubber latex wherein coagulation of a rubber component does not occur when the concentration of calcium ions (Ca2+) is 0.01 mol/L or less and coagulation of the rubber component occurs when the concentration of Ca2+ is 0.1 mol/L or more; a method of preparing the deproteinized natural rubber latex, which comprises adding a protease and two or more surfactants having different coagulation properties to calcium ions (Ca2+) to a natural rubber latex and maturing the natural rubber latex; a rubber product using the deproteinized natural rubber latex; and a proteolytic agent comprising a protease and two or more surfactants. The deproteinized natural rubber latex is a latex wherein rubber molecules are dispersed and stabilized by a surfactant, and also have good film forming properties by means of the anode coagulation method and is less likely to cause uneven thickness of the film and liquid dripping even when a mold is dipped repeatedly in a latex on formation of a rubber film.

    摘要翻译： 本发明提供一种脱蛋白天然橡胶胶乳，其中当钙离子浓度（Ca 2+）为0.01mol / L以下时，橡胶成分的凝固不发生，并且发生橡胶组分的凝结 当Ca 2+浓度为0.1mol / L以上时， 一种制备脱蛋白天然橡胶胶乳的方法，其包括将蛋白酶和两种或更多种具有不同凝固性质的表面活性剂与钙离子（Ca 2+ 2 +）加入到天然橡胶胶乳中并熟化天然橡胶胶乳 ; 使用脱蛋白天然橡胶胶乳的橡胶制品; 和包含蛋白酶和两种或更多种表面活性剂的蛋白水解剂。 脱蛋白天然橡胶胶乳是其中橡胶分子通过表面活性剂分散和稳定的胶乳，并且还通过阳极凝固方法具有良好的成膜性能，并且即使当 在形成橡胶膜时，将模具重复地浸渍在胶乳中。

    Deproteinized natural rubber latex, method of preparing the same, rubber product using the same, and proteolytic agent for deproteinized natural rubber latex
    20.
    发明申请
    Deproteinized natural rubber latex, method of preparing the same, rubber product using the same, and proteolytic agent for deproteinized natural rubber latex 有权
    脱蛋白天然橡胶胶乳，其制备方法，使用其的橡胶制品和脱蛋白天然橡胶胶乳的蛋白水解剂

    公开(公告)号：US20060036025A1

    公开(公告)日：2006-02-16

    申请号：US11204162

    申请日：2005-08-16

    申请人： Naoya Ichikawa ,  Yoshiaki Miyamoto

    发明人： Naoya Ichikawa ,  Yoshiaki Miyamoto

    IPC分类号： C08K3/04

    CPC分类号： C08C1/04

    摘要： The present invention provides a deproteinized natural rubber latex wherein coagulation of a rubber component does not occur when the concentration of calcium ions (Ca2+) is 0.01 mol/L or less and coagulation of the rubber component occurs when the concentration of Ca2+ is 0.1 mol/L or more; a method of preparing the deproteinized natural rubber latex, which comprises adding a protease and two or more surfactants having different coagulation properties to calcium ions (Ca2+) to a natural rubber latex and maturing the natural rubber latex; a rubber product using the deproteinized natural rubber latex; and a proteolytic agent comprising a protease and two or more surfactants. The deproteinized natural rubber latex is a latex wherein rubber molecules are dispersed and stabilized by a surfactant, and also have good film forming properties by means of the anode coagulation method and is less likely to cause uneven thickness of the film and liquid dripping even when a mold is dipped repeatedly in a latex on formation of a rubber film.

    摘要翻译： 本发明提供一种脱蛋白天然橡胶胶乳，其中当钙离子浓度（Ca 2+）为0.01mol / L以下时，橡胶成分的凝固不发生，并且发生橡胶组分的凝结 当Ca 2+浓度为0.1mol / L以上时， 一种制备脱蛋白天然橡胶胶乳的方法，其包括将蛋白酶和两种或更多种具有不同凝固性质的表面活性剂与钙离子（Ca 2+ 2 +）加入到天然橡胶胶乳中并熟化天然橡胶胶乳 ; 使用脱蛋白天然橡胶胶乳的橡胶制品; 和包含蛋白酶和两种或更多种表面活性剂的蛋白水解剂。 脱蛋白天然橡胶胶乳是其中橡胶分子通过表面活性剂分散和稳定的胶乳，并且还通过阳极凝固方法具有良好的成膜性能，并且即使当 在形成橡胶膜时，将模具重复地浸渍在胶乳中。