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    • 19. 发明授权
    • Rubber composition for solid golf ball and solid golf ball
    • 固体高尔夫球和固体高尔夫球的橡胶组合物
    • US06194505B1
    • 2001-02-27
    • US09201653
    • 1998-12-01
    • Takuo SoneIwakazu Hattori
    • Takuo SoneIwakazu Hattori
    • A63B3706
    • C08L9/00A63B37/0003A63B37/0051A63B37/0073A63B37/0074A63B37/0075A63B37/0076A63B37/008A63B37/0084A63B37/0091C08C19/44C08F136/06C08F4/545
    • A rubber composition for solid golf balls comprising: (a) 50 to 100 parts by weight of a polybutadiene rubber with a 1,4-cis bond content of 80% or more, a 1,2-vinyl bond content of 2.0% or less, and a ratio (Mw/Mn) of the weight average molecular weight (Mw) and the number average molecular weight (Mn) of 3.5 or less, (b) 0 to 50 parts by weight of a diene-type rubber other than the component(a), provided that the total amount of the component (a) and component (b) is 100 parts by weight, (c) 10 to 50 parts by weight of a cross-linking monomer, (d) 20 to 80 part by weight of inorganic filler, and (e) an effective amount of an organic peroxide. The solid golf balls prepared from the rubber composition provide a good shot feeling, run a long distance, and exhibit superior durability.
    • 一种固体高尔夫球用橡胶组合物,其特征在于,包括:(a)50〜100重量份的1,4-顺式键合含量为80%以上的聚丁二烯橡胶,2.0%以下的1,2-乙烯基键含量 ,重均分子量(Mw)和数均分子量(Mn)的比(Mw / Mn)为3.5以下,(b)0〜50重量份除二烯类橡胶以外的二烯系橡胶 组分(a),条件是组分(a)和组分(b)的总量为100重量份,(c)10至50重量份的交联单体,(d)20至80份 的无机填料,和(e)有效量的有机过氧化物。 由橡胶组合物制成的固体高尔夫球提供良好的拍摄感觉,运行长距离并且表现出优异的耐久性。
    • 20. 发明授权
    • Method for preparing conjugated diene polymer
    • 共轭二烯聚合物的制备方法
    • US6130299A
    • 2000-10-10
    • US974922
    • 1997-11-20
    • Takuo SoneAkio TakashimaKatsutoshi NonakaIwakazu Hattori
    • Takuo SoneAkio TakashimaKatsutoshi NonakaIwakazu Hattori
    • C08F2/34C08F2/44C08F4/54C08F36/04C08F4/52
    • C08F36/04
    • A method for preparing a conjugated diene polymer characterized by polymerizing a conjugated diene in vapor phase in the presence of an inorganic filler used as a rubber reinforcement agent and a catalyst which comprises (a) a compound containing a rare earth element of an atomic number of from 57 to 71 in the Periodic Table or a compound obtained by the reaction of this rare earth element-containing compound and a Lewis base, (b) an organic aluminum compound of the formula AlR.sup.1 R.sup.2 R.sup.3 or an almoxane, and (c) a halogen-containing compound. The vapor phase polymerization ensures easy control of the molecular weight of the polymer better dispersion of a rubber enforcement agent, and provides a rubber composition with improved rupture characteristics and abrasion resistance.
    • 一种制备共轭二烯聚合物的方法,其特征在于在用作橡胶增强剂的无机填料和催化剂存在下,气相中共轭二烯的聚合,所述催化剂包含(a)含有原子序数的稀土元素的化合物 周期表中的57至71或通过该含稀土元素的化合物与路易斯碱的反应获得的化合物,(b)式AlR 1 R 2 R 3的有机铝化合物或阿莫氧烷,和(c) 含有化合物。 气相聚合确保了聚合物的分子量更容易控制橡胶强化剂的分散性,并提供了具有改进的断裂特性和耐磨性的橡胶组合物。