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    • 21. 发明授权
    • Process for preparing low density ethylene copolymers
    • 制备低密度乙烯共聚物的方法
    • US4298713A
    • 1981-11-03
    • US106736
    • 1979-12-26
    • Yoshinori MoritaAkinori ToyotaNorio Kashiwa
    • Yoshinori MoritaAkinori ToyotaNorio Kashiwa
    • C08F2/00C08F2/04C08F2/06C08F4/00C08F4/60C08F4/64C08F210/00C08F210/16C08F297/08C08F4/16
    • C08F297/08C08F210/16Y10S526/904
    • A process for producing an ethylene copolymer having a density of from 0.900 to 0.945 g/cm.sup.3 by copolymerizing in two steps a predominant amount of ethylene with a minor amount of an alpha-olefin containing at least 3 carbon atoms at room temperature to not more than about 100.degree. C. under a pressure of about 1 to about 100 kg/cm.sup.2 in the presence of a catalyst composed of (A) a titanium catalyst component supported on a magnesium compound and (B) an organoaluminum compound; characterized in that said copolymerization is carried out in(i) a first step where about 0.01 to about 50 g, per gram of the titanium catalyst component (A), of the alpha-olefin containing at least 3 carbon atoms is polymerized, said catalyst further comprising an organic acid ester (C), and then(ii) a second step where the final product of ethylene copolymer is formed in an amount more than about 100 times the weight of the polymer formed in the first step.
    • 一种制备密度为0.900至0.945g / cm 3的乙烯共聚物的方法,通过在室温下将主要量的乙烯与少量含有至少3个碳原子的α-烯烃在两个步骤中共聚合成不超过 在(A)负载在镁化合物上的钛催化剂组分和(B)有机铝化合物组成的催化剂存在下,在约1至约100kg / cm2的压力下,约100℃。 其特征在于所述共聚在(i)第一步骤中进行,其中每克所述钛催化剂组分(A)中含有至少3个碳原子的α-烯烃聚合约0.01至约50g,所述催化剂 进一步包含有机酸酯(C),然后(ii)第二步,其中乙烯共聚物的最终产物的形成量大于第一步中形成的聚合物重量的约100倍。
    • 30. 发明申请
    • VEHICULAR DAMPER DEVICE
    • 车辆阻尼器装置
    • US20130244800A1
    • 2013-09-19
    • US13988206
    • 2010-11-19
    • Kazunori SakaiMasataka SugiyamaYoshinori MoritaTadashi Takemura
    • Kazunori SakaiMasataka SugiyamaYoshinori MoritaTadashi Takemura
    • F16F15/14F16F15/31F16D3/12
    • F16F15/1485F16D3/12F16F15/134F16F15/30F16F15/31
    • A vehicular damper device interposed between an engine and an output shaft and provided with a dual-mass flywheel includes: a first inertial body in the form of a disk connected to a crankshaft of said engine and rotatable about an axis of said crankshaft; a torsional damping portion interposed between said first inertial body and said output shaft; a second inertial body in the form of a disk rotatable about said axis and having a smaller outside diameter than said first inertial body, said second inertial body cooperating with said first inertial body to constitute said dual-mass flywheel; and an elastic member interposed between said first inertial body and said second inertial body and operatively connecting said first and second inertial bodies such that said elastic member is elastically deformable according to an amount of relative rotation of the first and second inertial bodies.
    • 插入在发动机和输出轴之间并设置有双质量飞轮的车辆阻尼器装置包括:连接到所述发动机的曲轴并可围绕所述曲轴的轴线旋转的盘形式的第一惯性体; 介于所述第一惯性体和所述输出轴之间的扭转阻尼部分; 第二惯性体,其可以围绕所述轴线旋转并且具有比所述第一惯性体更小的外径,所述第二惯性体与所述第一惯性体协作以构成所述双质量飞轮; 以及插入在所述第一惯性体和所述第二惯性体之间并且可操作地连接所述第一和第二惯性体的弹性构件,使得所述弹性构件可根据所述第一和第二惯性体的相对旋转量而弹性变形。