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    • 1. 发明授权
    • Process for olefin polymerization
    • 烯烃聚合方法
    • US6043325A
    • 2000-03-28
    • US978602
    • 1997-11-26
    • Toshiyuki TsutsuiKen YoshitsuguMasaaki OhgizawaTetsuhiro MatsumotoJunichi Imuta
    • Toshiyuki TsutsuiKen YoshitsuguMasaaki OhgizawaTetsuhiro MatsumotoJunichi Imuta
    • C08F4/642C08F4/659C08F4/6592C08F10/00C08F210/16C08F4/64
    • C08F10/00C08F210/16C08F4/65912C08F4/65916C08F4/6592Y10S526/904Y10S526/943
    • A process for olefin polymerization, including polymerizing or copolymerizing an olefin in the presence of an olefin polymerization catalyst composed of: a fine particle carrier; (A) a transition metal compound of a Group IVB metal of the periodic table, containing a ligand having a cyclopentadienyl skeleton; (B) an aluminoxane compound; and optionally (C) an organoaluminum compound, wherein said aluminoxane compound has an alkyl groups to aluminum ratio of 1.3 to 2.1; said transition metal compound (A) and said organoaluminum oxy-compound (B) and said organoaluminum compound being supported on the fine particle carrier; and said solid catalyst having a bulk density of 0.3 g/cm.sup.3 to 0.5 g/cm.sup.3 and a fluidity index of 45 to 70 and an olefin polymerization process using the olefin polymerization catalyst; and an olefin prepolymerized catalyst obtained by prepolymerizing the catalyst, and an olefin polymerization process using the olefin prepolymerized catalyst. The olefin polymerization process produces a polymer showing excellent particle properties and an olefin polymer which does not stick to the wall of the polymerization reactor.
    • 一种烯烃聚合方法,包括在烯烃聚合催化剂存在下聚合或共聚烯烃,所述烯烃聚合催化剂由微粒载体构成; (A)周期表第ⅣB族金属的过渡金属化合物,其含有具有环戊二烯基骨架的配位体; (B)铝氧烷化合物; 和任选地(C)有机铝化合物,其中所述铝氧烷化合物具有1.3至2.1的烷基与铝的比率; 所述过渡金属化合物(A)和所述有机铝氧化合物(B)和所述有机铝化合物负载在所述微粒载体上; 所述固体催化剂的体积密度为0.3g / cm 3〜0.5g / cm 3,流动性指数为45〜70,使用该烯烃聚合催化剂的烯烃聚合方法; 和通过使催化剂预聚合获得的烯烃预聚合催化剂和使用烯烃预聚合催化剂的烯烃聚合方法。 烯烃聚合方法产生显示出优异的颗粒性能的聚合物和不粘在聚合反应器壁上的烯烃聚合物。
    • 2. 发明授权
    • Olefin polymerization catalyst and process for olefin polymerization
    • 烯烃聚合催化剂和烯烃聚合方法
    • US5795838A
    • 1998-08-18
    • US513088
    • 1995-08-09
    • Toshiyuki TsutsuiKen YoshitsuguMasaaki OhgizawaTetsuhiro MatsumotoJunichi Imuta
    • Toshiyuki TsutsuiKen YoshitsuguMasaaki OhgizawaTetsuhiro MatsumotoJunichi Imuta
    • C08F4/642C08F4/659C08F4/6592C08F10/00C08F210/16B01J31/00B01J37/00C08F4/02C08F4/60
    • C08F10/00C08F210/16C08F4/65912C08F4/65916C08F4/6592Y10S526/904Y10S526/943
    • A solid olefin polymerization catalyst comprising: a fine particle carrier; (A) a transition metal compound of a Group IVB metal of the periodic table, containing a ligand having a cyclopentadienyl skeleton; (B) an organoaluminum oxy-compound; and optionally (C) an organoaluminum compound, wherein said organoaluminum oxy-compound has an alkyl to aluminum ratio of 1.3 to 2.1; said transition metal compound (A) and said organoaluminum oxy-compound (B) and said organoaluminum compound being supported on the fine particle carrier; and said solid catalyst having a bulk density of 0.3 g/cm.sup.3 to 0.5 g/cm.sup.3 and a fluidity index of 45 to 70 and an olefin polymerization process using the olefin polymerization catalyst; and an olefin prepolymerized catalyst obtained by prepolymerizing the catalyst, and an olefin polymerization process using the olefin prepolymerized catalyst. The olefin polymerization catalyst and the olefin prepolymerization catalyst when used to carry out the polymerization of olefins hardly produces a fine-powdery polymer and a polymer showing excellent particle properties can be obtained. Moreover, the resulting olefin polymer does not stick to the wall of the polymerization reactor.
    • 一种固体烯烃聚合催化剂,包括:细颗粒载体; (A)周期表第ⅣB族金属的过渡金属化合物,其含有具有环戊二烯基骨架的配位体; (B)有机铝氧化合物; 和任选的(C)有机铝化合物,其中所述有机铝氧化合物的烷基铝比例为1.3-2.1; 所述过渡金属化合物(A)和所述有机铝氧化合物(B)和所述有机铝化合物负载在所述微粒载体上; 所述固体催化剂的体积密度为0.3g / cm 3〜0.5g / cm 3,流动性指数为45〜70,使用该烯烃聚合催化剂的烯烃聚合方法; 和通过使催化剂预聚合获得的烯烃预聚合催化剂和使用烯烃预聚合催化剂的烯烃聚合方法。 当用于进行烯烃聚合的烯烃聚合催化剂和烯烃预聚合催化剂几乎不产生细粉状聚合物,并且可以获得显示出优异的颗粒性能的聚合物。 此外,所得烯烃聚合物不粘附到聚合反应器的壁。
    • 3. 发明授权
    • Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester
    • 用于聚酯生产的催化剂,使用催化剂生产聚酯的方法,通过该方法获得的聚酯和聚酯的用途
    • US06346070B1
    • 2002-02-12
    • US09470664
    • 1999-12-22
    • Takeshi OhmatsuzawaFujito EharaHideshi HoriKazuo ToyotaKenzaburou FukutaniJunichi ImutaAkiyoshi ShimizuTakayuki OnogiSeiji NodaMasayuki SakaiShoji HiraokaKoji NakamachiMichio TsugawaSatoru Miyazoe
    • Takeshi OhmatsuzawaFujito EharaHideshi HoriKazuo ToyotaKenzaburou FukutaniJunichi ImutaAkiyoshi ShimizuTakayuki OnogiSeiji NodaMasayuki SakaiShoji HiraokaKoji NakamachiMichio TsugawaSatoru Miyazoe
    • C08G6378
    • C08G63/85C08G63/183C08G63/82C08G63/88
    • The present invention provides a catalyst for polyester production capable of producing a polyester with high catalytic activity and a process for producing a polyester using the catalyst. The catalyst for polyester production comprises a solid titanium compound which is obtained by dehydro-drying a hydrolyzate obtained by hydrolysis of a titanium halide and which has a molar ratio (OH/Ti) of a hydroxyl group (OH) to titanium (Ti) exceeding 0.09 and less than 4. The present invention also provides a method to obtain a polyester having a small increase of the acetaldehyde content during the molding. This method comprises bringing a polyester, which is obtained by the use of a titanium compound catalyst and in which the reaction has been completed, into contact with a phosphoric ester aqueous solution or the like having a concentration of not less than 10 ppm in terms of phosphorus atom. The present invention further provides a polyester having excellent transparency and tint and molded products of the polyester such as a blow molded article, a film, a sheet and a fiber. The polyester is obtained by polycondensing an aromatic dicarboxylic acid or an ester-forming derivative thereof and an aliphatic diol or an ester-forming derivative thereof in the presence of a catalyst for polyester production which comprises a polycondensation catalyst component comprising a solid titanium compound and a co-catalyst component comprising a magnesium compound. This polyester has a titanium content of 1 to 100 ppm, a magnesium content of 1 to 200 ppm and a weight ratio (Mg/Ti) of magnesium to titanium of not less than 0.01.
    • 本发明提供一种能够生产具有高催化活性的聚酯的聚酯制造催化剂和使用该催化剂生产聚酯的方法。 用于聚酯生产的催化剂包括固体钛化合物,其通过脱水干燥由卤化钛水解得到的水解产物并且具有羟基(OH)与钛(Ti)的摩尔比(OH / Ti)超过钛 0.09以上且低于4.本发明还提供一种在成型时获得乙醛含量增加少的聚酯的方法。 该方法包括使通过使用钛化合物催化剂获得的反应已完成的聚酯与浓度不小于10ppm的磷酸酯水溶液等接触,换算为 磷原子。 本发明还提供一种聚酯,其具有优异的透明度和色调,并且聚酯的成型产品如吹塑制品,薄膜,片材和纤维。 在聚酯制造用催化剂的存在下,通过将芳香族二羧酸或其成酯性衍生物和脂肪族二醇或其成酯衍生物缩聚得到聚酯,该催化剂包括含有固体钛化合物的缩聚催化剂组分和 助催化剂组分包含镁化合物。 该聚酯的钛含量为1〜100ppm,镁含量为1〜200ppm,镁与钛的重量比(Mg / Ti)为0.01以上。
    • 4. 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
    • US6004897A
    • 1999-12-21
    • US683068
    • 1996-07-16
    • Junichi ImutaMasayasu YoshidaYasushi Tohi
    • Junichi ImutaMasayasu YoshidaYasushi Tohi
    • C07F17/00C08F4/42C08F4/64C08F4/642C08F4/659C08F4/6592C08F10/00C08F110/02C08F110/06C08F210/16
    • C07F17/00C08F10/00C08F110/02C08F110/06C08F210/16C08F4/65908C08F4/65912C08F4/65916C08F4/65927Y10S526/943
    • 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. ##STR1## wherein, M is a transition metal of Group IVB, at least one of R.sup.1 is an aryl group and the remainder is hydrogen or the like, R.sup.2 is hydrogen, an alkyl group or the like, R.sup.3 and R.sup.4 are each hydrogen, an alkyl group or the like, R.sup.6 is hydrogen, an alkyl group or the like, R.sup.7 is hydrogen, an alkyl group or the like, any one of R.sup.8 and R.sup.9 is an alkyl group, and X.sup.1 and X.sup.2 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 可以以高聚合活性获得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是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 R 6为氢,烷基等,R 7为氢,烷基等,R 8和R 9中的任一个为烷基,X 1和X 2各自为卤素,烃基或 喜欢。
    • 9. 发明授权
    • Process for preparing propylene polymer composition and propylene
polymer composition
    • 制备丙烯聚合物组合物和丙烯聚合物组合物的方法
    • US5854354A
    • 1998-12-29
    • US448570
    • 1995-06-07
    • Takashi UedaMikio HashimotoMasaaki KawasakiDaisuke FukuokaJunichi Imuta
    • Takashi UedaMikio HashimotoMasaaki KawasakiDaisuke FukuokaJunichi Imuta
    • C08F2/00C08F297/08C08L23/04C08L23/08C08L23/10
    • C08F297/083C08F297/08C08L23/10C08L23/0815Y10S526/943
    • A process for preparing a propylene polymer composition comprising conducting multistage polymerization including a step (a) for preparing a propylene (co)polymer (a) and a step (b) for preparing an ethylene copolymer (b) in the presence of (A) a transition metal compound and (B) a compound activating the transition metal compound (A), in which the steps (a) and (b) may be carried out in any order, and the resulting propylene polymer composition contains the propylene (co)polymer (a) in an amount of 20 to 90% by weight and the ethylene copolymer (b) in an amount of 10 to 80% by weight and has MFR, as measured at 230.degree. C. under a load of 2.16 kg, of 0.01 to 500 g/10 min; and a propylene polymer composition prepared by this process. The process according to the invention can prepare a propylene polymer composition having excellent rigidity, heat resistance and impact resistance.
    • PCT No.PCT / JP95 / 00707 Sec。 371日期:1995年6月7日 102(e)日期1995年6月7日PCT提交1995年4月11日PCT公布。 第WO95 / 27740号公报 日期:1995年10月19日一种制备丙烯聚合物组合物的方法,包括进行多步聚合,包括制备丙烯(共)聚合物(a)的步骤(a)和用于制备乙烯共聚物(b))的步骤(b) (A)过渡金属化合物的存在和(B)活化过渡金属化合物(A)的化合物,其中步骤(a)和(b)可以以任何顺序进行,并且所得丙烯聚合物组合物含有 丙烯(共)聚合物(a)的量为20〜90重量%,乙烯共聚物(b)的含量为10〜80重量%,MFR为230℃, 为2.16kg,为0.01〜500g / 10min; 和通过该方法制备的丙烯聚合物组合物。 根据本发明的方法可以制备具有优异的刚性,耐热性和耐冲击性的丙烯聚合物组合物。
    • 10. 发明授权
    • Process for preparing propylene polymer composition and propylene
polymer composition
    • 制备丙烯聚合物组合物和丙烯聚合物组合物的方法
    • US5753769A
    • 1998-05-19
    • US448569
    • 1995-06-07
    • Takashi UedaMikio HashimotoMasaaki KawasakiDaisuke FukuokaJunichi Imuta
    • Takashi UedaMikio HashimotoMasaaki KawasakiDaisuke FukuokaJunichi Imuta
    • C08F2/00C08F2/20C08F4/60C08F10/06C08F210/06C08F210/16C08F297/08C08F297/06C08L23/14
    • C08F297/086C08F10/06C08F210/06C08F210/16C08F4/65912
    • A process for preparing a propylene polymer composition having excellent rigidity, heat resistance and impact resistance comprising conducting multistage polymerization including a step (a) for preparing a propylene (co)polymer (A), a step (b) for preparing a propylene-olefin copolymer (B) and a step (c) for preparing an ethylene-olefin copolymer (C) in the presence of (I) a transition metal compound and (II) a compound activating the transition metal compound (I), in which the steps (a), (b) and (c) are carried out in any order, each of the second and subsequent stage polymerizations is carried out in the presence of a polymer or polymers obtained by the preceding stage or stages, respectively, and the resulting propylene polymer composition contains the propylene (co)polymer (A) in an amount of 20 to 90% by weight, the propylene-olefin copolymer (B) in an amount of 5 to 75% by weight and the ethylene-olefin copolymer (C) in an amount of 5 to 75% by weight, and has MFR, as measured at 230.degree. C. under a load of 2.16 kg, of 0.01 to 500 g/10 min.
    • PCT No.PCT / JP95 / 00708 Sec。 371日期:1995年6月7日 102(e)日期1995年6月7日PCT提交1995年4月11日PCT公布。 WO95 / 27741 PCT出版物 日期:1995年10月19日一种制备具有优异的刚性,耐热性和耐冲击性的丙烯聚合物组合物的方法,其包括进行多步聚合,包括制备丙烯(共)聚合物(A)的步骤(a),步骤(b) 在(I)过渡金属化合物和(II)活化过渡金属化合物(I)的化合物的存在下,制备丙烯 - 烯烃共聚物(B)和制备乙烯 - 烯烃共聚物(C)的步骤(c) ,其中步骤(a),(b)和(c)以任何顺序进行,第二阶段和后续聚合中的每一个在通过前一阶段或阶段获得的聚合物或聚合物的存在下进行, 所得丙烯聚合物组合物含有20〜90重量%的丙烯(共)聚合物(A),丙烯 - 烯烃共聚物(B)的含量为5〜75重量%,乙烯 α-烯烃共聚物(C),其量为5〜75重量%,并具有M FR在230℃,2.16kg的负荷下测量为0.01〜500g / 10分钟。