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    • 1. 发明授权
    • Random copolymer
    • 无规共聚物
    • US4614778A
    • 1986-09-30
    • US696161
    • 1985-01-29
    • Hirokazu KajiuraHidekuni OdaSyuji Minami
    • Hirokazu KajiuraHidekuni OdaSyuji Minami
    • C08F210/02C08G61/08C08L65/00C08F232/06
    • C08G61/08C08F210/02C08L65/00
    • A random copolymer comprising ethylene, a 1,4,5,8-dimethano-1,2,3,4,4a,5,8,8a-octahydronaphthalene and optionally an alpha-olefin having at least three carbon atoms or cycloolefin. The mole ratio of polymerized units from the 1,4,5,8-dimethano-1,2,3,4,4a,5,8,8a-octahydronaphthalene to polymerized units from ethylene is from 3:97 to 95:5 and the 1,4,5,8-dimethano-1,2,3,4,4a,5,8,8a-octahydronaphthalene is incorporated in the polymer chain as polymerized units without ring-opening.The copolymer is prepared by copolymerizing ethylene with the 1,4,5,8-dimethano-1,2,3,4,4a,5,8,8a-octahydronaphthalene in a hydrocarbon medium in the presence of a catalyst formed from a vanadium compound and an organoaluminum compound which are soluble in the hydrocarbon medium.The copolymer has excellent transparency and a well balanced combination of heat resistance, heat aging resistance, chemical and solvent resistance, dielectric properties and mechanical properties such as rigidity.
    • 包含乙烯,1,4,5,8-二甲基-1,2,3,4,4a,5,8,8a-八氢萘和任选的具有至少三个碳原子的α-烯烃或环烯烃的无规共聚物。 来自1,4,5,8-二甲基-1,2,3,4,4a,5,8,8a-八氢萘的聚合单元与来自乙烯的聚合单元的摩尔比为3:97至95:5, 将1,4,5,8-二甲基-1,2,3,4,4a,5,8,8a-八氢萘作为聚合单元并入聚合物链中而无需开环。 共聚物通过在烃介质中在由钒形成的催化剂存在下将乙烯与1,4,5,8-二甲基-1,2,3,4,4a,5,8,8a-八氢萘共聚而制备 化合物和可溶于烃介质的有机铝化合物。 共聚物具有优异的透明性和耐热性,耐热老化性,耐化学性和耐溶剂性,介电性能和刚性等机械性能的良好平衡的组合。
    • 4. 发明授权
    • Random copolymer, and process and production thereof
    • 无规共聚物,其工艺和生产
    • US5658998A
    • 1997-08-19
    • US407045
    • 1995-03-17
    • Syuji MinamiHirokazu KajiuraHidekuni Oda
    • Syuji MinamiHirokazu KajiuraHidekuni Oda
    • C08F210/02C08F232/00C08F255/02C08F277/00C08F232/04
    • C08F210/02C08F232/00C08F255/02C08F277/00
    • A random copolymer characterized in that (A) the copolymer comprises polymerized units from ethylene and polymerized units from at least one cycloolefin, (B) the mole ratio of the polymerized units from the cycloolefin to the polymerized units from ethylene is from 3:97 to 60:40, (C) the cycloolefin is incorporated in the polymer chain without ring opening, (D) the copolymer has an intrinsic viscosity of 0.01 to 20 dl/g, (E) the copolymer has a molecular weight distribution (Mw/Mn) of not more than 4, and (F) the copolymer has a crystallinity of 0 to 10%. The random copolymer may be grafted by (a) alpha, beta-unsaturated carboxylic acids and/or their derivatives, (b) styrenes, (c) organic silicon compounds having an olefinically unsaturated bond and a hydrolyzable group, or (d) unsaturated epoxy monomers. The random copolymer is produced by continuously copolymerizing ethylene with at least one cycloolefin in a hydrocarbon medium in the presence of a catalyst formed from a soluble vanadium compound and an organoaluminum compound while maintaining the atomic ratio of vanadium atoms to aluminum atoms in the reaction system, V/Al, at 2 or higher.
    • 一种无规共聚物,其特征在于(A)共聚物包括来自乙烯的聚合单元和来自至少一种环烯烃的聚合单元,(B)聚合单元与环烯烃的聚合单元与来自乙烯的聚合单元的摩尔比为3:97至 (D)共聚物的特性粘度为0.01〜20dl / g,(E)共聚物具有分子量分布(+ E, ovs M + EE w / + E,ovs M + EE n)不大于4,(F)共聚物的结晶度为0至10%。 无规共聚物可以通过(a)α,β-不饱和羧酸和/或其衍生物,(b)苯乙烯,(c)具有烯属不饱和键的有机硅化合物和可水解基团,或(d)不饱和环氧树脂 单体。 无规共聚物通过在由可溶性钒化合物和有机铝化合物形成的催化剂存在下在烃介质中连续共聚乙烯与至少一种环烯烃,同时保持钒原子与反应体系中铝原子的原子比, V / Al,2或更高。
    • 5. 发明授权
    • Random copolymer, and process for production thereof
    • 无规共聚物及其生产方法
    • US5179171A
    • 1993-01-12
    • US831755
    • 1992-02-10
    • Syuji MinamiHirokazu KajiuraHidekuni OdaHideaki Yamaguchi
    • Syuji MinamiHirokazu KajiuraHidekuni OdaHideaki Yamaguchi
    • C08F210/02C08F232/08C08F255/02C08F277/00H05K3/34
    • C08F277/00C08F210/02C08F232/08C08F255/02
    • A random copolymer characterized in that (A) the copolymer comprises polymerized units from ethylene and polymerized units from at least one cycloolefin, (B) the mole ratio of the polymerized units from the cycloolefin to the polymerized units from ethylene is from 3:97 to 60:40, (C) the cycloolefin is incorporated in the polymer chain without ring opening, (D) the copolymer has an intrinsic viscosity of 0.01 to 20 dl/g, (E) the copolymer has a molecular weight distribution (Mw/Mn) of not more than 4, and (F) the copolymer has a crystallinity of 0 to 10%. The random copolymer may be grafted by (a) alpha, beta-unsaturated carboxylic acids and/or their derivatives, (b) styrenes, (c) organic silicon compounds having an olefinically unsaturated bond and a hydrolyzable group, or (d) unsaturated epoxy monomers. The random copolymer is produced by continuously copolymerizing ethylene with at least one cycloolefin in a hydrocrbon medium in the presence of a catalyst formed from a soluble vanadium compound and an organoaluminum compound while maintaining the atomic ratio of vanadium atoms to aluminum atoms in the reaction system, V/Al, at 2 or higher.
    • 一种无规共聚物,其特征在于(A)共聚物包括来自乙烯的聚合单元和来自至少一种环烯烃的聚合单元,(B)聚合单元与环烯烃的聚合单元与来自乙烯的聚合单元的摩尔比为3:97至 (D)共聚物的特性粘度为0.01〜20dl / g,(E)共聚物具有分子量分布(<上& Mw / & upbar&Mn)为4以下,(F)共聚物的结晶度为0〜10%。 无规共聚物可以通过(a)α,β-不饱和羧酸和/或其衍生物,(b)苯乙烯,(c)具有烯属不饱和键的有机硅化合物和可水解基团,或(d)不饱和环氧树脂 单体。 无规共聚物是通过在由可溶性钒化合物和有机铝化合物形成的催化剂存在下在加氢裂化介质中连续共聚乙烯与至少一种环烯,同时保持钒原子与反应体系中铝原子的原子比, V / Al,2或更高。
    • 7. 发明授权
    • Random copolymer, and process for production thereof
    • 无规共聚物及其生产方法
    • US5654386A
    • 1997-08-05
    • US474650
    • 1995-06-07
    • Syuji MinamiHirokazu KajiuraHidekuni Oda
    • Syuji MinamiHirokazu KajiuraHidekuni Oda
    • C08F210/02C08F232/00C08F255/02C08F277/00C08F232/04
    • C08F255/02C08F210/02C08F232/00C08F277/00
    • A random copolymer characterized in that (A) the copolymer comprises polymerized units from ethylene and polymerized units from at least one cycloolefin, (B) the mole ratio of the polymerized units from the cycloolefin to the polymerized units from ethylene is from 3:97 to 60:40, (C) the cycloolefin is incorporated in the polymer chain without ring opening, (D) the copolymer has an intrinsic viscosity of 0.01 to 20 dl/g, (E) the copolymer has a molecular weight distribution (Mw/Mn) of not more than 4, and (F) the copolymer has a crystallinity of 0 to 10%. The random copolymer may be grafted by (a) alpha, beta-unsaturated carboxylic acids and/or their derivatives, (b) styrenes, (c) organic silicon compounds having an olefinically unsaturated bond and a hydrolyzable group, or (d) unsaturated epoxy monomers. The random copolymer is produced by continuously copolymerizing ethylene with at least one cycloolefin in a hydrocarbon medium in the presence of a catalyst formed from a soluble vanadium compound and an organoaluminum compound while maintaining the atomic ratio of vanadium atoms to aluminum atoms in the reaction system, V/Al, at 2 or higher.
    • 一种无规共聚物,其特征在于(A)共聚物包括来自乙烯的聚合单元和来自至少一种环烯烃的聚合单元,(B)聚合单元与环烯烃的聚合单元与来自乙烯的聚合单元的摩尔比为3:97至 (D)共聚物的特性粘度为0.01〜20dl / g,(E)共聚物具有分子量分布(+ E, ovs M + EE w / + E,ovs M + EE n)不大于4,(F)共聚物的结晶度为0至10%。 无规共聚物可以通过(a)α,β-不饱和羧酸和/或其衍生物,(b)苯乙烯,(c)具有烯属不饱和键的有机硅化合物和可水解基团,或(d)不饱和环氧树脂 单体。 无规共聚物通过在由可溶性钒化合物和有机铝化合物形成的催化剂存在下在烃介质中连续共聚乙烯与至少一种环烯烃,同时保持钒原子与反应体系中铝原子的原子比, V / Al,2或更高。
    • 9. 发明授权
    • Thin film of amorphous alloy
    • 非晶合金薄膜
    • US5254182A
    • 1993-10-19
    • US564191
    • 1990-08-08
    • Kunihiko MizumotoKoichi HarutaHirokazu Kajiura
    • Kunihiko MizumotoKoichi HarutaHirokazu Kajiura
    • G11B5/64G11B11/105H01F10/13H01F10/16
    • G11B5/64G11B11/10586H01F10/13Y10T428/12465Y10T428/12875Y10T428/12931
    • A thin film of an amorphous alloy comprising (i) at least one element selected from Fe and Co, (ii) at least one element selected from Pt and Pd and (iii) at least one element selected from (a) 3d transition elements other than Fe and Co, (b) 4d transition elements other than Pd, (c)5d transition elements other than Pt, (d) light rare earth elements, (e)Group III B elements, (f)Group IV B elements, (g)Group V B elements, and (h)Group VI B elements, and the film having an easy axis of magnetization perpendicular to the film face. The thin film has excellent magnetooptical characteristics including increased coercive force and large Kerr-rotation angle and Faraday-rotation angle, and is excellent in resistance to oxidation and In consequence the coercive force and Kerr-angle of the film do not substantially change with time. The film has a high reflectance as well.
    • 一种非晶合金薄膜,其包括(i)至少一种选自Fe和Co的元素,(ii)至少一种选自Pt和Pd的元素和(iii)至少一种选自(a)3d过渡元素的元素 (b)除Pd以外的4d过渡元素,(c)除Pt以外的5d过渡元素,(d)轻稀土元素,(e)III族B元素,(f)IV族元素,( g)VB族元素,(h)VIB族元素,和具有与膜面垂直的易磁化轴的膜。 该薄膜具有优异的磁光特性,包括矫顽力增大和克尔旋转角度和法拉第旋转角度,耐氧化性优异,因此膜的矫顽力和克尔角基本上不随时间而变化。 该膜也具有高反射率。