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    • 91. 发明授权
    • Catalyst component for polymerization of olefins
    • 用于烯烃聚合的催化剂组分
    • US4703026A
    • 1987-10-27
    • US872832
    • 1986-06-11
    • Mitsuyuki MatsuuraTakashi Fujita
    • Mitsuyuki MatsuuraTakashi Fujita
    • C08F4/64C08F10/00
    • C08F10/00Y10S526/901
    • Disclosed is a catalyst component for polymerization of an olefin, which consists essentially of a contact reaction product of (A) a solid composition obtained by mixing and contacting a precipitating agent with a contact reaction product between a magnesium dihalide and a titanium tetraalkoxide and/or a polymer thereof, the addition of the precipitating agent being carried out with stirring at a stirring intensity lower than a level (2nf) two times the floatation limit stirring intensity (nf) of the reaction system, with (B) a liquid titanium compound and/or a halogen compound of silicon.This catalyst component has a high activity and provides a polymer in which the particle size is relatively large and the particle size distribution is sharply controlled.
    • 公开了一种用于聚合烯烃的催化剂组分,其主要包括(A)通过将沉淀剂与二卤化镁和四烷氧基钛之间的接触反应产物混合并使其接触而获得的固体组合物的接触反应产物和/或 其特征在于,在搅拌强度下,在比(B)液体钛化合物和反应体系的漂浮极限搅拌强度(nf)的2倍的水平(2nf)低的搅拌强度下, /或硅的卤素化合物。 该催化剂组分具有高活性,并且提供了其中粒度相对较大并且粒度分布被急剧控制的聚合物。
    • 93. 发明授权
    • Dry planographic printing plate
    • 干版印刷版
    • US4358522A
    • 1982-11-09
    • US293478
    • 1981-08-17
    • Takashi FujitaMasao Iwamoto
    • Takashi FujitaMasao Iwamoto
    • G03F7/022G03F7/075G03C1/54G03C1/60G03F7/08
    • G03F7/0752G03F7/022
    • Provided is a presensitized planographic printing plate requiring no dampening water for use in negative work which comprises a base substrate, a photosensitive layer secured to and overlying the base substrate, and containing an orthoquinonediazide compound and having a content of ethanol-soluble component not higher than 20% by weight, and a silicone rubber layer overlying the photosensitive layer through bonding component. When the printing plate is exposed through a negative film and then treated with a developer, the photosensitive layer in the exposed image areas is dissolved and the corresponding portion of the silicone rubber layer is also removed easily and is obtained image as an exact reproduction of the negative film. Dampening water is not required when printing is carried out.
    • 提供了一种不需要用于负面工作的润版水的预觉平版印刷版,其包括基底基底,固定到基底基底上并覆盖基底的感光层,并且含有正二叠氮化银化合物,并且其乙醇可溶成分的含量不高于 20重量%,以及通过粘合成分覆盖感光层的硅橡胶层。 当印版通过负片曝光,然后用显影剂处理时,曝光图像区域中的感光层被溶解,并且硅橡胶层的相应部分也被容易地去除,并且获得图像作为精确再现 负片 打印时不需要防潮水。
    • 97. 发明授权
    • Solid catalyst component for olefin polymerization, and catalyst
    • 用于烯烃聚合的固体催化剂组分和催化剂
    • US09315601B2
    • 2016-04-19
    • US14130799
    • 2012-05-31
    • Kunihiko TashinoTakashi FujitaToshiya UozumiYuta Haga
    • Kunihiko TashinoTakashi FujitaToshiya UozumiYuta Haga
    • B01J21/00B01J23/00B01J25/00B01J29/00B01J31/00B01J37/00C08F110/06
    • C08F110/06C08F10/00C08F4/651C08F4/6465C08F4/6548
    • A solid catalyst component for olefin polymerization and a catalyst are disclosed that exhibit high catalytic activity when used for gas-phase polymerization, suppress rapid reactions in the initial stage of polymerization relative to the polymerization activity, and can produce a propylene polymer in high yield while maintaining high stereoregularity. The solid catalyst component for olefin polymerization includes magnesium, titanium, a halogen, and an internal electron donor, the solid catalyst component including an asymmetrical phthalic diester represented by the following general formula (1) in a molar ratio of 0.2 to 0.8 relative to the total content of the internal electron donor. R1k(C6H4-k)(COOR2)(COOR3)  (1) wherein R1 is an alkyl group or the like, R2 is a linear or branched alkyl group having 2 to 6 carbon atoms or an alkenyl group, R3 is a linear or branched alkyl group having 1 to 5 carbon atoms, the number of carbon atoms included in R3 being smaller than the number of carbon atoms included in R2, and k is an integer from 0 to 4 that indicates the number of substituents R1.
    • 公开了用于烯烃聚合的固体催化剂组分和催化剂,其用于气相聚合时显示出高的催化活性,抑制了聚合初期的快速反应相对于聚合活性,并可以高产率生产丙烯聚合物 保持高度的立体规范性。 用于烯烃聚合的固体催化剂组分包括镁,钛,卤素和内电子给体,该固体催化剂组分包括由以下通式(1)表示的不对称邻苯二甲酸二酯,其摩尔比为0.2-0.8 内部电子给体的总含量。 R1k(C6H4-k)(COOR2)(COOR3)(1)其中R1是烷基等,R2是具有2至6个碳原子的直链或支链烷基或烯基,R3是直链或支链 含有1〜5个碳原子的烷基,R3中包含的碳原子数小于R2中包含的碳原子数,k表示取代基数R1的0〜4的整数。
    • 98. 发明申请
    • SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, AND CATALYST
    • 用于烯烃聚合的固体催化剂组分和催化剂
    • US20140135205A1
    • 2014-05-15
    • US14130799
    • 2012-05-31
    • Kunihiko TashinoTakashi FujitaToshiya UozumiYuta Haga
    • Kunihiko TashinoTakashi FujitaToshiya UozumiYuta Haga
    • C08F110/06
    • C08F110/06C08F10/00C08F4/651C08F4/6465C08F4/6548
    • A solid catalyst component for olefin polymerization and a catalyst are disclosed that exhibit high catalytic activity when used for gas-phase polymerization, suppress rapid reactions in the initial stage of polymerization relative to the polymerization activity, and can produce a propylene polymer in high yield while maintaining high stereoregularity. The solid catalyst component for olefin polymerization includes magnesium, titanium, a halogen, and an internal electron donor, the solid catalyst component including an asymmetrical phthalic diester represented by the following general formula (1) in a molar ratio of 0.2 to 0.8 relative to the total content of the internal electron donor. R1k(C6H4-k)(COOR2)(COOR3)  (1) wherein R1 is an alkyl group or the like, R2 is a linear or branched alkyl group having 2 to 6 carbon atoms or an alkenyl group, R3 is a linear or branched alkyl group having 1 to 5 carbon atoms, the number of carbon atoms included in R3 being smaller than the number of carbon atoms included in R2, and k is an integer from 0 to 4 that indicates the number of substituents R1.
    • 公开了用于烯烃聚合的固体催化剂组分和催化剂,其用于气相聚合时显示出高的催化活性,抑制了聚合初期的快速反应相对于聚合活性,并可以高产率生产丙烯聚合物 保持高度的立体规范性。 用于烯烃聚合的固体催化剂组分包括镁,钛,卤素和内电子给体,该固体催化剂组分包括由以下通式(1)表示的不对称邻苯二甲酸二酯,其摩尔比为0.2-0.8 内部电子给体的总含量。 R1k(C6H4-k)(COOR2)(COOR3)(1)其中R1是烷基等,R2是具有2至6个碳原子的直链或支链烷基或烯基,R3是直链或支链 含有1〜5个碳原子的烷基,R3中包含的碳原子数小于R2中包含的碳原子数,k表示取代基数R1的0〜4的整数。