公开(公告)号：EP2395339A4

公开(公告)日：2015-10-21

申请号：EP10738625

申请日：2010-02-02

Applicant: BRIDGESTONE CORP

Inventor： HAMATANI SATOSHI ,  AKUTAGAWA KEIZO ,  SHIMA HIROSHI

IPC: G01N3/00 ,  G01N3/08

CPC classification number: G01N3/00 ,  G01N2203/0216 ,  G06F17/5018 ,  G06F17/5095 ,  G06F2217/80

Abstract: The present invention relates to a method for predicting a deformation behavior of a rubber material capable of accurately analyzing a deformation behavior of a rubber material even in a micro level, and more specifically, to a method for predicting a deformation behavior of a rubber material, including: generating a three-dimensional model of the rubber material formed by adding a filler to a rubber; applying a configuration condition specifying a relationship between a stress and a strain on the basis of thickness information and temperature information obtained on the basis of a molecular dynamics approach to a rubber layer portion constituting the three-dimensional model; and, analyzing the deformation behavior of the rubber material. Further, in the method for predicting a deformation behavior of a rubber material, it is preferable that the deformation behavior of the rubber material is analyzed by applying a finite element method to the three-dimensional model to which the configuration condition is applied.

公开(公告)号：EP3181633A4

公开(公告)日：2017-07-12

申请号：EP15831939

申请日：2015-08-07

Applicant: BRIDGESTONE CORP

Inventor： HAMATANI SATOSHI

IPC: C08L21/00 ,  B60C1/00 ,  C08K3/04

CPC classification number: C08K3/04 ,  B60C1/00 ,  C01B32/00 ,  C01P2006/12 ,  C01P2006/19 ,  C01P2006/80 ,  C08K2201/003 ,  C08K2201/006 ,  C08K2201/011 ,  C08L21/00 ,  C09C1/48 ,  C08L7/00

Abstract: Provided is a rubber composition that, when adopted in a tire member such as a tread, displays low heat generation, high abrasion resistance, and high cut resistance, and enables excellent fatigue cracking resistance to be realized. The rubber composition contains carbon black that satisfies relationship formulae (1) to (3), shown below. 62.5 × 24 M 4 DBP + hydrogen amount of carbon black ‰¤ 8337.5 24 M 4 DBP + 0.25 × CTAB ‰¥ 62.5 Dst + 0.75 × ”D 50 ‰¥ 152.5

Abstract translation: 本发明提供一种橡胶组合物，该橡胶组合物适用于胎面等轮胎构件时，发热少，耐磨损性高，耐切割性高，能够实现优异的耐疲劳龟裂性。 该橡胶组合物含有满足下述关系式（1）〜（3）的炭黑。 62.5×24 M 4 DBP +碳黑的氢量≤8337.524 M 4 DBP + 0.25×CTAB≥62.5 Dst + 0.75דD 50‰¥152.5

公开(公告)号：JP2014196407A

公开(公告)日：2014-10-16

申请号：JP2013072519

申请日：2013-03-29

Applicant: 株式会社ブリヂストン ,  Bridgestone Corp

Inventor： HAMATANI SATOSHI ,  AKUTAGAWA KEIZO

IPC: C08L9/00 ,  C08K3/04

Abstract: 【課題】タイヤの低発熱性と耐摩耗性の向上を実現し得るゴム組成物を提供する。【解決手段】2種以上のジエン系ゴムを含むゴム成分合計100重量部に対し、0重量部超100重量部以下のシリカを含み、前記ジエン系ゴムがそれぞれガラス転移温度の異なる2相以上に分かれ、また、少なくとも1相が−50℃以上のガラス転移点を有する相であり、そのうち少なくとも1相が連続構造を有し、配合されたゴムの単位体積あたりのシリカの80重量%以上が、−50℃以上のガラス転移点を有する1相以上のうちの1相に含まれ、該相に含まれるシリカの平均凝集アグリゲート面積が2000nm2以下である、ことを特徴とするゴム組成物。【選択図】図1

Abstract translation: 要解决的问题：提供能够改善轮胎的低发热性和耐磨性的橡胶组合物。解决方案：提供含有超过0重量份的橡胶组合物。 和100重量份以下的二氧化硅相对于100重量份。 的含有两种或更多种二烯橡胶的橡胶组分。 在橡胶组合物中，二烯橡胶被分为具有玻璃化转变温度彼此不同的两相或更多相，至少一相是玻璃化转变点为-50℃以上的相，其一相具有 连续结构，每单位体积的共混橡胶中的二氧化硅的80重量％以上含有玻璃化转变点为-50℃以上的多相的一相，平均凝集聚集面积为 相位为2000nm以下。

公开(公告)号：JP2010002314A

公开(公告)日：2010-01-07

申请号：JP2008161782

申请日：2008-06-20

Applicant: Bridgestone Corp ,  株式会社ブリヂストン

Inventor： HAMATANI SATOSHI ,  AKUTAGAWA KEIZO

IPC: G01N3/00 ,  G01N3/08 ,  G01N33/44

Abstract: PROBLEM TO BE SOLVED: To provide a deformation behavior predicting device of rubber material and a deformation behavior predicting method of rubber material capable of precisely analyzing at micro level a deformation behavior of rubber material having a complex network structure in which filler with a primary particle diameter of several dozen nm existing in the rubber material are connected in a number of several tens or more. SOLUTION: The method comprises taking two or more slice images by observing the surface of the rubber material with a predetermined shape compounded with rubber and filler using a FIB-SEM apparatus 11; converting to binarized images for distinguishing between rubber part and filler part contained in the taken respective slice images; laminating the binarized images in a predetermined distance to form a three-dimensional model; applying a constructive condition defining a relation between a strain and a stress of the rubber and filler based on the binarized values to the respective grate regions of the formed three-dimensional model; analyzing the deformation behavior using the three-dimensional model applied with the constructive condition; and predicting the deformation behavior of the rubber material from the analysis result by calculating a strain or stress distribution, distinguishing the distribution regions of strain or stress, and defining the positions of respective regions. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了提供橡胶材料的变形行为预测装置和能够在微观水平上精确分析的具有复杂网络结构的橡胶材料的变形行为的变形行为预测方法，其中填充物具有 存在于橡胶材料中的几十nm的一次粒径连接数十以上。 解决方案：该方法包括使用FIB-SEM装置11通过用橡胶和填料复合的预定形状观察橡胶材料的表面来获取两个或更多个切片图像; 转换为二值化图像，以区分包含在各个切片图像中的橡胶部分和填充部分; 以预定距离层叠二值化图像以形成三维模型; 基于所形成的三维模型的各个格栅区域的二值化值，施加将橡胶和填料的应变和应力之间的关系定义的结构性条件; 使用建设性条件应用的三维模型分析变形行为; 并通过计算应变或应力分布从分析结果预测橡胶材料的变形行为，区分应变或应力的分布区域，并确定各个区域的位置。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2012001682A

公开(公告)日：2012-01-05

申请号：JP2010140345

申请日：2010-06-21

Applicant: Bridgestone Corp ,  株式会社ブリヂストン

Inventor： HAMATANI SATOSHI ,  ASAZUMA TAKAHARU ,  OTANI YUTO

IPC: C08L21/00 ,  B60C1/00 ,  C08K3/04 ,  C09C1/48

CPC classification number: Y02T10/862

Abstract: PROBLEM TO BE SOLVED: To provide a rubber composition containing carbon black recovered by the thermal decomposition of the rubber composition, and having excellent rubber characteristics, especially high fracture characteristics, compared with a conventional art.SOLUTION: The rubber composition contains a rubber component, and the carbon black recovered by the thermal decomposition of the rubber composition with the content of a zinc compound of 13 mass% or less. The carbon black preferably has a cetyltrimethylammonium bromide (CTAB) adsorption specific surface area of 80-200 m/g.

Abstract translation: 待解决的问题：与传统技术相比，提供一种含有通过橡胶组合物的热分解回收的炭黑的橡胶组合物，并且具有优异的橡胶特性，特别是高的断裂特性。 解决方案：橡胶组合物含有橡胶组分，并且通过热塑化合物回收的炭黑，其中锌化合物的含量为13质量％以下。 炭黑优选具有80-200μm的十六烷基三甲基溴化铵（CTAB）吸附比表面积 2 / SP / g。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2010181194A

公开(公告)日：2010-08-19

申请号：JP2009022923

申请日：2009-02-03

Applicant: Bridgestone Corp ,  株式会社ブリヂストン

Inventor： HAMATANI SATOSHI ,  AKUTAGAWA KEIZO ,  SHIMA HIROSHI

IPC: G01N3/00 ,  G01N3/08

CPC classification number: G01N3/00 ,  G01N2203/0216 ,  G06F17/5018 ,  G06F17/5095 ,  G06F2217/80

Abstract: PROBLEM TO BE SOLVED: To provide a method of estimating the deformation behavior of a rubber material capable of accurately analyzing the deformation behavior of the rubber material even on a microlevel. SOLUTION: The method of estimating the deformation behavior of the rubber material is characterized in that the three-dimensional model of the rubber material prepared by compounding a filler with rubber is formed and a constitutional condition, wherein the relationship between strain and stress is determined on the basis of thickness data and temperature data calculated from a method of molecular dynamics, is applied to the rubber layer part constituting the three-dimensional model to analyze the deformation behavior of the rubber material. Further, in this method for estimating the deformation behavior of the rubber material, it is preferable to analyze the deformation behavior of the rubber material using a finite-element method in the three-dimensional model to which the constitutional condition is applied. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种即使在微水平上也能够精确地分析橡胶材料的变形特性的橡胶材料的变形特性的估计方法。 解决方案：估计橡胶材料的变形行为的方法的特征在于，通过将填料与橡胶混合制备的橡胶材料的三维模型形成，其中应变和应力之间的关系 基于由分子动力学方法计算的厚度数据和温度数据确定，应用于构成三维模型的橡胶层部分，以分析橡胶材料的变形行为。 另外，在这种估计橡胶材料的变形特性的方法中，优选使用有限元法在构成条件的三维模型中分析橡胶材料的变形特性。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2019001873A

公开(公告)日：2019-01-10

申请号：JP2017116247

申请日：2017-06-13

Applicant: BRIDGESTONE CORP

Inventor： YABE YUDAI ,  HAMATANI SATOSHI

IPC: C08L7/00 ,  B60C1/00 ,  C08J3/22 ,  C08K3/04 ,  C08K3/22 ,  C08K3/34 ,  C08K5/17 ,  C08K5/24 ,  C08K5/30 ,  C08K5/41

Abstract: 【課題】低発熱性と耐摩耗性に優れた、タイヤ用ゴム組成物【解決手段】天然ゴムからなるゴム成分(A)を含むゴム液に、カーボンブラック(B)と、無機充填材(C)を配合した、ウェットマスターバッチ(D)に対して、分散剤(E)を配合した、ウェットマスターバッチゴム組成物を提供する。【選択図】なし

公开(公告)号：JP2010181342A

公开(公告)日：2010-08-19

申请号：JP2009026591

申请日：2009-02-06

Applicant: Bridgestone Corp ,  株式会社ブリヂストン

Inventor： HAMATANI SATOSHI ,  AKUTAGAWA KEIZO

IPC: G01N3/00 ,  G01N3/08

CPC classification number: G01N3/00 ,  G01N2203/0094 ,  G01N2203/0214 ,  G01N2203/0218 ,  G01N2203/0246 ,  G01N2203/0647

Abstract: PROBLEM TO BE SOLVED: To provide a method of estimating the deformation behavior of a rubber material capable of accurately analyzing the viscoelastic behavior of the rubber material even on a microlevel.
SOLUTION: In the method of estimating the deformation behavior of the rubber material configured such that a plurality of slice images, which show the cross-sectional shape of the rubber material prepared by compounding a filler with rubber, are acquired and respectively converted to binarized images in order to discriminate between the rubber part and filler part compounded with the rubber material to form a three-dimensional model, a constitutional condition, wherein the relationship between stress, strain and time is determined by the relaxation of stress measured on the basis of each strain, is applied to the rubber part constituting the three-dimensional model to analyze the deformation behavior of the rubber material.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种即使在微水平上也能够精确地分析橡胶材料的粘弹性的橡胶材料的变形特性的估计方法。 ＆lt; P＆gt;解决方案：在估计橡胶材料的变形行为的方法中，所述橡胶材料的变形行为被构造成使得通过混合填料与橡胶制备的橡胶材料的横截面形状的多个切片图像被分别转换 二值化图像以区分橡胶部分和与橡胶材料复合的填充部分，以形成三维模型，其中应力，应变和时间之间的关系由在 将每种应变的基础应用于构成三维模型的橡胶部分，以分析橡胶材料的变形行为。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010106144A

公开(公告)日：2010-05-13

申请号：JP2008279572

申请日：2008-10-30

Applicant: Bridgestone Corp ,  株式会社ブリヂストン

Inventor： HAMATANI SATOSHI ,  AKUTAGAWA KEIZO ,  NISHI TOSHIO

IPC: C08L21/00 ,  B60C1/00 ,  C08K7/24

CPC classification number: Y02T10/862

Abstract: PROBLEM TO BE SOLVED: To provide a new filler for reinforcement used for a rubber composition for a tire with excellent low fuel consumption and wear resistance while maintaining reduced rolling resistance, and the rubber composition using the filler.
SOLUTION: As the filler, a porous particle having a penetrated pore, the particle having the penetrated pore with an enough size to allow a polymer molecule to enter, an average pore size of 1-1,000 nm, and an average particle size of 2-2,000 nm is used. The porous particle is carbon black or a particle of an inorganic compound represented by following general formula, mM1-xSiOy-zH
2 O (I). Wherein, M1 is at least one metal, metal oxide, or metal hydroxide selected from Al, Mg, Ti, or Ca, and m, x, y, and z are an integer of 0-5, an integer of 0-10, an integer of 2-5, and an integer of 0-10, respectively.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供用于轮胎用橡胶组合物的新型增强填料，其具有优异的低燃料消耗和耐磨性，同时保持降低的滚动阻力，以及使用该填料的橡胶组合物。 解决方案：作为填料，具有穿透孔的多孔颗粒，具有足够尺寸的穿透孔以使聚合物分子进入的颗粒，平均孔径为1-1000nm，平均粒径 使用2-2,000nm。 多孔质粒子是炭黑或由以下通式表示的无机化合物的粒子，mM1-xSiOy-zH O（I）。 其中，M1为选自Al，Mg，Ti或Ca中的至少一种金属，金属氧化物或金属氢氧化物，m，x，y和z为0〜5的整数，0〜10的整数， 分别为2-5的整数和0-10的整数。 版权所有（C）2010，JPO＆INPIT