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    • 5. 发明申请
    • PROCESS FOR PRODUCTION OF SYNDIOTACTIC PROPYLENE POLYMER
    • 生产聚丙烯聚合物的方法
    • US20100069588A1
    • 2010-03-18
    • US12312483
    • 2007-11-16
    • Tomohiro YamaguchiJunpei TanakaShiro OtsuzukiYasushi TohiKouji NagahashiNobukazu YamahiraShigenobu IkenagaSunil Krzysztof MoorthiKazunori Kamio
    • Tomohiro YamaguchiJunpei TanakaShiro OtsuzukiYasushi TohiKouji NagahashiNobukazu YamahiraShigenobu IkenagaSunil Krzysztof MoorthiKazunori Kamio
    • C08F4/52C08F4/76
    • C08F10/06C08F4/65912C08F110/06Y10S526/943C08F4/65927C08F2/06C08F2500/16C08F2500/17C08F2500/12C08F2500/26
    • It is an object of the present invention to provide a process for producing a syndiotactic propylene polymer with high polymerization activity and high efficiency by a solution polymerization method without deposition of polymers (excluding a white state), and a production process capable of conducting the above production continuously, provided that these processes could not be attained conventionally.The present invention is: a process for producing a syndiotactic propylene polymer having a syndiotactic pentad fraction (rrrr fraction), as measured by 13C-NMR, of at least 85%, a melting point (Tm), as measured by DSC, of from 145° C. to 170° C., and an intrinsic viscosity [η] of 0.1 to 10 dl/g, which process comprises a step (P1) of solution polymerizing propylene singly or propylene and at least one monomer selected from ethylene and an α-olefin having 4 to 10 carbon atoms at a polymerization temperature (TR) of from 30° C. to 250° C. in an inert hydrocarbon solvent in the presence of an olefin polymerization catalyst which comprises; (A) a bridged metallocene compound represented by the following formula (I), and (B) at least one compound selected from (b-1) an organoaluminum oxy compound, (b-2) a compound capable of forming an ion pair by reacting with the metallocene compound (A), and (b-3) an organoaluminum compound. in which M is a titanium atom or the like, Q is a halogen atom or the like, j is an integer of 1 to 4, Ra and Rb may be identically or differently a single nuclear or polynuclear hydrocarbon residue capable of forming a sandwich structure together with M, Y is a carbon atom or a silicon atom, and Rc and Rd may be the same or different from each other, is selected from hydrogen, a hydrocarbon group and a silicon atom-containing group and further may be bonded each other to form a ring.
    • 本发明的目的是提供一种通过不沉积聚合物(不包括白色状态)的溶液聚合法制备具有高聚合活性和高效率的间同立构丙烯聚合物的方法,以及能够进行上述 只要这些方法不能常规地实现即可。 本发明是通过13 C-NMR测定的具有间同立构五单元组分(rrrr分数)的间同立构丙烯聚合物的方法,其通过DSC测定为至少85%,熔点(Tm) 145℃至170℃,特性粘度[η]为0.1至10dl / g,该方法包括使丙烯单独或丙烯和至少一种选自乙烯和/或丙烯的单体的溶液聚合的步骤(P1) 在烯烃聚合催化剂存在下,在惰性烃溶剂中,在30℃至250℃的聚合温度(TR)下具有4至10个碳原子的α-烯烃,其包含: (A)由下式(I)表示的桥连金属茂化合物和(B)至少一种选自(b-1)有机铝氧化合物的化合物,(b-2)能够形成离子对的化合物 与茂金属化合物(A)和(b-3)有机铝化合物反应。 其中M为钛原子等,Q为卤素原子等,j为1〜4的整数,Ra和Rb可以相同或不同,能形成夹层结构的单核或多核烃残基 与M一起,Y是碳原子或硅原子,并且R c和R d可以相同或不同,选自氢,烃基和含硅原子的基团,并且可以彼此键合 形成一个戒指。
    • 7. 发明授权
    • Catalyst for olefin polymerization and method of polymerizing olefin
    • 用于烯烃聚合的催化剂和烯烃聚合方法
    • US06313243B1
    • 2001-11-06
    • US09485637
    • 2000-02-15
    • Yasushi TohiShigekazu MatsuiTerunori Fujita
    • Yasushi TohiShigekazu MatsuiTerunori Fujita
    • C08F444
    • C08F10/00C08F10/02C08F4/7047C08F4/704
    • The present invention is intended to provide an olefin polymerization catalyst exhibiting excellent olefin polymerization activity and capable of producing polyolefins of excellent properties and to provide a process for olefin polymerization using this catalyst. The olefin polymerization catalyst comprises a transition metal imine compound (A) represented by the following formula (I) and at least one compound (B) selected from an organometallic compound (B-1), an organoaluminum oxy-compound (B-2) and a compound (B-3) which reacts with the transition metal imine compound (A) to form an ion pair; wherein M is a transition metal atom of Group 8 to Group 11 of the periodic table; R1 to R4 are each a hydrogen atom, a hydrocarbon group or the like; R5 and R6 are each a hydrocarbon group or the like; R1 and R5, R2 and R6, R1 and R3, and R2 and R4 may be each bonded to form a ring; R3 and R4 may be bonded to form a ring; n is a number satisfying a valence of M; X is a halogen atom or the like; and Y is an atom of Group 16 of the periodic table.
    • 本发明旨在提供一种表现出优异的烯烃聚合活性且能够生产出优异性能的聚烯烃并提供使用该催化剂的烯烃聚合方法的烯烃聚合催化剂。 烯烃聚合催化剂包含由下式(I)表示的过渡金属亚胺化合物(A)和至少一种选自有机金属化合物(B-1),有机铝氧化合物(B-2) 和与过渡金属亚胺化合物(A)反应形成离子对的化合物(B-3);其中M是周期表第8族至第11族的过渡金属原子; R 1〜R 4各自为氢原子,烃基等; R5和R6各自为烃基等; R1和R5,R2和R6,R1和R3,以及R2和R4各自键合形成环; R3和R4可以键合形成环; n是满足M价的数; X是卤素原子等; Y是元素周期表第16族的原子。
    • 9. 发明授权
    • Olefin polymerization catalyst, process for preparing olefin polymer, and olefin polymer
    • 烯烃聚合催化剂,制备烯烃聚合物的方法和烯烃聚合物
    • US06297333B1
    • 2001-10-02
    • US09315268
    • 1999-05-20
    • Junichi ImutaMasayasu YoshidaYasushi Tohi
    • Junichi ImutaMasayasu YoshidaYasushi Tohi
    • C08F442
    • C07F17/00C08F4/65908C08F4/65912C08F4/65916C08F4/65927C08F10/00C08F110/02C08F110/06C08F210/16Y10S526/943C08F2500/17C08F2500/03C08F210/14C08F2500/12C08F2500/08
    • The olefin polymerization catalyst of the invention is formed from a Group IVB transition metal compound represented by the following formula (I) and an organoaluminum oxy-compound or a compound which reacts with the transition metal compound to form an ion pair. In the olefin polymerization process of the invention using this catalyst or a catalyst formed from a Group IVB transition metal compound represented by the following formula (II) and an organoaluminum oxy-compound or a compound which reacts with the transition metal compound to form an ion pair, an olefin (co)polymer having a high molecular weight can be obtained with high polymerization activities, and besides an olefin copolymer having a high comonomer content can be obtained even if a comonomer is used in a small amount, wherein, M is a transition metal of Group IVB, at least one of R1 is an aryl group and the remainder is hydrogen or the like, R2 is hydrogen, an alkyl group or the like, R3 and R4 are each hydrogen, an alkyl group or the like, R6 is hydrogen, an alkyl group or the like, R7 is hydrogen, an alkyl group or the like, any one of R8 and R9 is an alkyl group, and X1 and X2 are each halogen, a hydrocarbon group or the like.
    • 本发明的烯烃聚合催化剂由下式(I)表示的ⅣB族过渡金属化合物和有机铝氧化合物或与过渡金属化合物反应形成离子对的化合物形成。 在使用该催化剂的本发明的烯烃聚合方法或由下式(II)表示的IVB族过渡金属化合物和有机铝氧化合物或与过渡金属化合物反应形成离子的化合物形成的催化剂 可以获得高聚合活性的具有高分子量的烯烃(共)聚合物,并且即使使用少量共聚单体,也可以获得具有高共聚单体含量的烯烃共聚物,其中M为 IVB族的过渡金属,R 1中的至少一个是芳基,其余是氢等,R 2是氢,烷基等,R 3和R 4各自是氢,烷基等,R 6 是氢,烷基等,R 7是氢,烷​​基等,R 8和R 9中的任一个是烷基,X 1和X 2各自是卤素,烃基等。
    • 10. 发明授权
    • α-olefin-based polymer composition, molded product formed from the composition, and novel polymer
    • 基于α-烯烃的聚合物组合物,由该组合物形成的模塑产品和新型聚合物
    • US07847040B2
    • 2010-12-07
    • US11578972
    • 2005-04-08
    • Ryoji MoriTakashi NakagawaShigenobu IkenagaHiromasa MarubayashiMasahiko OkamotoYasushi TohiKouji Nagahashi
    • Ryoji MoriTakashi NakagawaShigenobu IkenagaHiromasa MarubayashiMasahiko OkamotoYasushi TohiKouji Nagahashi
    • C08F4/48
    • C08F210/06C08L23/10C08L23/142C08L2666/06
    • A composition having excellent transparency, flexibility, rubber elasticity, thermal resistance, impact resistance, abrasion resistance and the like, a composition having excellent rigidity and impact resistance as well as excellently balanced in whitening resistance, abrasion resistance and heat sealability, and a composition having excellent rubbery properties, thermal resistance, abrasion resistance and flexibility are provided.A composition comprising a specific propylene•α-olefin copolymer for which, in a signal chart measured by 13C-NMR and predetermined such that the peak present at the highest magnetic field among the signals originating from CH (methine) of the constituent unit derived from an α-olefin having 4 to 20 carbon atoms is to be at 34.4 ppm, an absorption intensity A at about 22.0 to 20.9 ppm and an absorption intensity B at about 19.0 to 20.6 ppm satisfy the following relational expressions (i) and (ii) with respect to an absorption intensity C at about 19.0 to 22.0 ppm, which is assignable to propylene methyl: (A/C)×100≦8  (i), and (B/C)×100≧60  (ii), a molded product thereof, and the α-olefin-based copolymer are provided.
    • 具有优异的透明性,柔软性,橡胶弹性,耐热性,耐冲击性,耐磨性等的组合物,具有优异的刚性和耐冲击性以及优异的耐白度,耐磨性和热封性均衡的组合物和具有 提供优异的橡胶性能,耐热性,耐磨性和柔韧性。 一种包含特定丙烯-α-烯烃共聚物的组合物,其以13 C-NMR测量的信号图表示,并且预先确定来自源自该构成单元的CH(次甲基)的CH(次甲基)的信号中的最高磁场存在的峰 具有4至20个碳原子的α-烯烃应为34.4ppm,约22.0至20.9ppm的吸收强度A和约19.0至20.6ppm的吸收强度B满足以下关系式(i)和(ii) (A / C)×100≦̸ 8(i)和(B / C)×100≥60(ii))中的约19.0〜22.0ppm的吸收强度C, 其产物和α-烯烃基共聚物。