专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2001089514A TREATMENT OF CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST AND POLYMERIZATION OF OLEFIN 失效
公开(公告)号：JP2001089514A
公开(公告)日：2001-04-03
申请号：JP26714699
申请日：1999-09-21
申请人： MITSUI CHEMICALS INC
发明人： NAKAYAMA YASUSHI , KAWAKITA KAZUMITSU , YASHIKI TSUNEO
IPC分类号： C08F10/00 , C08F4/658
摘要： PROBLEM TO BE SOLVED: To provide a solid catalyst component for the polymerization of an olefin such as ethylene to enable the production of a polymer having high bulk density and excellent granular state in high yield per unit volume of polymerizer. SOLUTION: The solid titanium catalyst component is produced by contacting a solid catalyst component (A) containing magnesium, titanium and a halogen with an alkoxyaluminum or alkoxyaluminum halide and contacting the product (B) with a titanium halide compound.

2. 发明专利

JP2003192718A CATALYST AND METHOD FOR POLYMERIZING OLEFIN 审中-公开
公开(公告)号：JP2003192718A
公开(公告)日：2003-07-09
申请号：JP2001394251
申请日：2001-12-26
申请人： MITSUI CHEMICALS INC
发明人： TSUTSUI TOSHIYUKI , YASHIKI TSUNEO , TANI MASAZUMI
IPC分类号： C08F4/654 , C08F10/00
摘要： PROBLEM TO BE SOLVED: To provide an olefin polymerization catalyst for manufacturing, at a high polymerization activity, a polyolefin that has little amount of decane- soluble components and excellent stereoregularity, and to provide a method for polymerizing an olefin using this olefin polymerization catalyst. SOLUTION: The olefin polymerization catalyst comprises (A) a solid titanium catalyst ingredient containing magnesium, titanium, a halogen and a polyether, (B) an organoaluminum compound, and (C) a monoalkoxysilane compound represented by R a 3 Si(OR b ) (wherein R a is an alkyl group, a cycloalkyl group, an aryl group or an aralkyl group; and OR b is a methoxy group or an ethoxy group). An olefin may be prepolymerized with an olefin polymerization catalyst comprising the catalyst ingredient (A), (B) and optionally, (D) an electron donor. COPYRIGHT: (C)2003,JPO

3. 发明专利

JP2003012712A Method for producing ethylenic polymer composition, particle of the ethylenic polymer composition, and film obtained from the particle of the composition 有权
标题翻译：乙烯聚合物组合物的生产方法，乙烯聚合物组合物的颗粒和由组合物颗粒获得的膜
公开(公告)号：JP2003012712A
公开(公告)日：2003-01-15
申请号：JP2002119418
申请日：2002-04-22
申请人： Mitsui Chemicals Inc , 三井化学株式会社
发明人： TSUTSUI TOSHIYUKI , YASHIKI TSUNEO , FUNAHARA YASUO
IPC分类号： C08J5/18 , C08F2/44 , C08F4/658 , C08F210/16 , C08F255/02
摘要： PROBLEM TO BE SOLVED: To obtain an ethylenic polymer composition (particles) excellent in particle properties, scarcely causing sintering, and excellent in moldabitity, to provide a method for efficiently producing the particles of the composition, and to prepare a film having small unevenness of thickness and excellent in tear strength. SOLUTION: This method for producing the ethylenic polymer composition comprises using a catalyst which contains a component obtained by bringing a liquid magnesium compound into contact with a liquid titanium compound in the presence of an organic silicon compound, and further includes (I) a process for producing an ethylene (co)polymer (i) the intrinsic viscosity ([η]) of which is at least 1.5 times the [η] of an ethylene (co)polymer (ii) and (II) a process for producing the ethylene (co)polymer (ii) the [η] of which is 0.3-3 dl/g, wherein the process (II) is conducted in the presence of the polymer (i), or the process (I) is conducted in the presence of the polymer (ii), so that the ethylenic polymer composition having an [η] of 1-6 dl/g and a density of >=0.94 g/cm is produced.
摘要翻译：要解决的问题为了获得颗粒性能优异，几乎不引起烧结并且具有优异的成型性的乙烯聚合物组合物（颗粒），可以提供有效地制备组合物颗粒的方法，并制备具有小的不均匀性的膜厚度和撕裂强度优异。解决方案：用于制备乙烯类聚合物组合物的方法包括使用含有在有机硅化合物存在下使液态镁化合物与液体钛化合物接触而获得的成分的催化剂，还包括（I）产生乙烯（共）聚合物（i）其特性粘度（[η]）至少为乙烯（共）聚合物（ii）的[η]的1.5倍和（II）乙烯的制备方法共聚）聚合物（ⅱ）[η]为0.3-3dl / g，其中方法（II）在聚合物（i）的存在下进行，或者方法（I）在聚合物（ⅱ），使得[η]为1-6dl / g，密度> 0.94g / cm 3的乙烯类聚合物组合物。

4. 发明专利

JP2002284810A PREPOLYMERIZED CATALYST, OLEFIN POLYMERIZATION CATALYST, AND OLEFIN POLYMERIZATION METHOD 失效
公开(公告)号：JP2002284810A
公开(公告)日：2002-10-03
申请号：JP2001090913
申请日：2001-03-27
申请人： MITSUI CHEMICALS INC
发明人： YASHIKI TSUNEO , KAWAKITA KAZUMITSU , TSUTSUI TOSHIYUKI
IPC分类号： C08F4/658 , C08F10/00 , C08F10/02
摘要： PROBLEM TO BE SOLVED: To provide a prepolymerized catalyst which has a high catalytic activity and can give a polymer with a high bulk specific gravity even in the production of a low-mol.-wt. polymer; an olefin polymerization catalyst containing the same; and an olefin polymerization method. SOLUTION: A first prepolymerized catalyst is prepared by prepolymerizing an olefin in the presence of an olefin polymerization catalyst which contains a solid titanium catalyst component (Al) containing Ti, Mg, a halogen, and a compound having at least two ether bonds linked via a plurality of atoms and an organometallic compound catalyst component (B) containing a metal selected from among metals of the groups I, II, and III of the periodic table in an amount of component B of 0.1-2.0 mol per mol of Ti atom. A polymer formed by the prepolymerization has an intrinsic viscosity [η] (measured at 135 deg.C in decalin) of at least 1.5 dl/g. A first olefin polymerization catalyst contains the first prepolymerized catalyst. An olefin polymerization method is provided wherein an olefin is (co)polymerized in the presence of the olefin polymerization catalyst.

5. 发明专利

JP2002284809A SOLID TITANIUM CATALYST COMPONENT, ETHYLENE POLYMERIZATION CATALYST CONTAINING THE SAME, AND ETHYLENE POLYMERIZATION METHOD 失效
公开(公告)号：JP2002284809A
公开(公告)日：2002-10-03
申请号：JP2001090912
申请日：2001-03-27
申请人： MITSUI CHEMICALS INC
发明人： YASHIKI TSUNEO , YAMAMOTO KUNIO , NAKAYAMA YASUSHI , TSUTSUI TOSHIYUKI
IPC分类号： C08F4/658 , C08F10/00 , C08F10/02
摘要： PROBLEM TO BE SOLVED: To provide a solid titanium catalyst component which can polymerize ethylene with a high activity and can produce an ethylene polymer excellent in particulate properties; a polymerization catalyst containing the same; and an ethylene polymerization method. SOLUTION: This catalyst component [I] is prepared by contacting a liquid magnesium compound (b) containing an organosilicon compound (a) having no active hydrogen atom with a liquid titanium compound (c), elevating the temperature of the resultant product (i) to 90-120 deg.C, and keeping the product at that temperature and contains Mg, Ti, a halogen, and Si, the molar ratio of (Mg/Ti) being 3.0-4.0 and the content of Ti being 7.8 wt.% or higher. Compound (b) containing compound (a) is prepared by contacting 1 mol of a liquid magnesium compound with 0.2-0.4 mol of compound (a) for a time(t) defined by t>(3-(temp-50)/5) when the contact temperature(Temp) is 55 deg.C or lower and for at least 1 hr when the contact temperature is higher than 55 deg.C. The polymerization catalyst comprises component [I] and an organometallic compound [II]. Ethylene is (co)polymerized by using the catalyst.

6. 发明专利

JPH11322828A PREPARATION OF SOLID-LIKE TITANIUM CATALYST COMPONENT, CATALYST FOR POLYMERIZATION OF OLEFIN AND OLEFIN POLYMERIZATION 失效
公开(公告)号：JPH11322828A
公开(公告)日：1999-11-26
申请号：JP13494498
申请日：1998-05-18
申请人： MITSUI CHEMICALS INC
发明人： KOJO SHINICHI , NAKANO MASAO , YASHIKI TSUNEO
IPC分类号： C08F4/654 , C08F10/00
摘要： PROBLEM TO BE SOLVED: To provide a method for preparing a solid-like titanium catalyst component, capable of polymerizing an olefin in high activity and producing a highly stereoregular polyolefin when >=3C olefin is polymerized and obtain a catalyst for olefin polymerization containing the solid-like titanium catalyst component. SOLUTION: This method for preparing a solid-like titanium catalyst component comprises bringing (a) a liquid magnesium compound into contact with (b) a liquid titanium compound, (c) an electron donor and (d) a typical metal oxide. This catalyst for olefin polymerization comprises the solid-like titanium catalyst component (I) obtained by the above method, an organometallic compound (II) and as necessary, an electron donor (III).

7. 发明专利

JP2005187550A Method for producing solid titanium catalyst component for olefin polymerization, olefin polymerization catalyst, and method for polymerizing olefin 审中-公开
标题翻译：用于生产用于烯烃聚合的固体钛催化剂组分的方法，烯烃聚合催化剂和用于聚合烯烃的方法
公开(公告)号：JP2005187550A
公开(公告)日：2005-07-14
申请号：JP2003428516
申请日：2003-12-25
申请人： Mitsui Chemicals Inc , 三井化学株式会社
发明人： TSUTSUI TOSHIYUKI , YASHIKI TSUNEO , MATSUMURA HIDEJI
IPC分类号： C08F4/654 , C08F10/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a solid titanium catalyst component capable of producing a highly stereoregular polyolefin in high catalytic activity while suppressing the production of a lowly stereoregular polyolefin as a by-product, to provide a prepolymerization catalyst and an olefin polymerization catalyst each containing the above component, and to provide a method for polymerizing an olefin by using the catalyst. SOLUTION: The method for producing the solid titanium catalyst component comprises bringing (i) solid titanium containing magnesium, titanium, a halogen, and an electron donor (c), not undergoing titanium separation when washed with hexane at 25°C, and having a mean particle diameter of 26 to 75 μm, (ii) a polar compound having a dipole moment of 0.50 to 4.00 Debye, and (iii) liquid titanium (d) and/or an electron donor (e) into contact with each other at 40°C or higher to lower the titanium content of the solid titanium (i) by at least 25 wt.% to produce the solid titanium catalyst component (A) having a weight ratio of the electron donors (c+e)/titanium of 7 or higher and a mean particle diameter of 25 to 70 μm. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决问题的方案：提供一种能够制造具有高催化活性的高立构规整性聚烯烃的固体钛催化剂组分的制备方法，同时抑制作为副产物的低立体规则聚烯烃的生产，以提供预聚合催化剂和含有上述组分的烯烃聚合催化剂，并提供使用该催化剂使烯烃聚合的方法。解决方案：固体钛催化剂组分的制备方法包括：（i）在25℃用己烷洗涤时，不进行钛分离的含镁，钛，卤素和电子给体（c）的固体钛，平均粒径为26〜75μm，（ii）偶极矩为0.50〜4.00德拜的极性化合物，（iii）液态钛（d）和/或电子给体（e）与各自接触另一个在40℃或更高，以使固体钛（i）的钛含量降低至少25重量％，以产生具有电子给体（c + e）/重量比的重量比的固体钛催化剂组分（A） 7以上的钛，平均粒径为25〜70μm。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2001089515A TREATMENT OF CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST AND POLYMERIZATION OF OLEFIN 失效
公开(公告)号：JP2001089515A
公开(公告)日：2001-04-03
申请号：JP26714799
申请日：1999-09-21
申请人： MITSUI CHEMICALS INC
发明人： NAKAYAMA YASUSHI , YASHIKI TSUNEO
IPC分类号： C08F10/00 , C08F4/658
摘要： PROBLEM TO BE SOLVED: To provide a process for the treatment of a catalyst component for the polymerization of an olefin such as ethylene to enable the production of an ethylene polymer having high bulk density and excellent granular state in improved yield per unit volume of polymerizer. SOLUTION: The process for the treatment of a catalyst component comprises the treatment of a catalyst component containing magnesium, titanium, a halogen and a nucleation agent with an alkoxyaluminum or alkoxyaluminum halide.

9. 发明专利

JPH11116615A PREPARATION OF SOLID TITANIUM CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST AND POLYMERIZATION OF OLEFIN 失效
公开(公告)号：JPH11116615A
公开(公告)日：1999-04-27
申请号：JP19769798
申请日：1998-07-13
申请人： MITSUI CHEMICALS INC
发明人： KOJO SHINICHI , YASHIKI TSUNEO , KAWAKITA KAZUMITSU , NAKANO MASAO , MATSUURA SADAHIKO
IPC分类号： C08F4/654 , C08F4/658 , C08F10/00
摘要： PROBLEM TO BE SOLVED: To obtain the subject catalyst capable of polymerizing an olefin in high activity by contacting a liquid magnesium compound with a liquid titanium compound, adding a polybasic carboxylic acid ester and/or a polyether compound as an electron donor in the period from the start to the end of the precipitation of solid and contacting the obtained product with the above electron donor. SOLUTION: The objective catalyst is produced by (A) contacting a liquid magnesium compound with a liquid titanium compound and adding a polybasic carboxylic acid ester as an electrondonor [e.g. a compound of the formula (R is a 3-12C branched hydrocarbon group) (e.g. diheptyl phthalate) and/or a polyether compound to the contacted liquid in the period from the start to the end of the precipitation of solid from the contacted liquid to form a solid product containing titanium, etc., and (B) contacting the solid product obtained after the precipitation of the solid with the above electron donor (e.g. diisobutyl phthalate).

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式