Process for preparing polyolefins
    1.
    发明授权
    Process for preparing polyolefins 失效
    聚烯烃的制备方法

    公开(公告)号:US5804679A

    公开(公告)日:1998-09-08

    申请号:US881936

    申请日:1997-06-25

    IPC分类号: C08F4/656 C08F10/00

    CPC分类号: C08F10/00 Y10S526/901

    摘要: Polyolefins exhibiting better particle properties are prepared by polymerizing an olefin or olefins in the presence of a catalyst comprising a solid catalyst component being prepared by the reaction of the following components �I! and �II!: �I! a reaction product obtained by reacting the following components (1), (2) and (3) with one another: (1) a silicon oxide and/or an aluminum oxide; (2) a reaction product obtained by the reaction of a magnesium halide and compound represented by the general formula Me(OR).sub.n X.sub.z-n wherein Me represents an element of Groups I to IV in the Periodic Table, z represents the valence of the element Me, n is 0

    摘要翻译: 表现出更好的颗粒性能的聚烯烃通过在包含通过以下组分[I]和[II]的反应制备的固体催化剂组分的催化剂存在下聚合烯烃或烯烃来制备:[I] 以下组分(1),(2)和(3)彼此:(1)氧化硅和/或氧化铝; (2)通过卤化镁与通式Me(OR)n X z-n表示的化合物反应获得的反应产物,其中Me表示周期表中第I至IV族的元素,z表示元素的化合价 Me,n为0

    Process for preparing polyolefins
    2.
    发明授权
    Process for preparing polyolefins 失效
    聚烯烃的制备方法

    公开(公告)号:US5369193A

    公开(公告)日:1994-11-29

    申请号:US967556

    申请日:1992-10-27

    CPC分类号: C08F10/00

    摘要: Polyolefins exhibiting better particle properties are prepared by polymerizing an olefin or olefins in the presence of a catalyst comprising a solid catalyst component and an organometallic compound, the solid catalyst component being prepared by reacting the following components [I] and [II] at first and then reacting the reaction product thus obtained with the following component [III]:[I] a reaction product obtained by reacting:(1) a silicon oxide and/or an aluminum oxide, and(2) a titanium compound, or a titanium compound and a vanadium compound,[II] a reaction product obtained by the reaction of:(1) a magnesium halide,(2) a compound represented by the general formula Me(OR).sub.n X.sub.z-n wherein Me represents an element of J Groups I to IV in the Periodic Table, z represents the valence of the element Me, n is 0

    摘要翻译: 通过在包含固体催化剂组分和有机金属化合物的催化剂存在下聚合烯烃或烯烃制备出具有更好颗粒性能的聚烯烃,该固体催化剂组分通过首先使下列成分[I]和[II]反应而制备, 然后将所得反应产物与以下组分[III]反应:[I]通过使(1)氧化硅和/或氧化铝反应获得的反应产物,和(2)钛化合物或钛化合物 和钒化合物,[II]通过以下反应获得的反应产物:(1)卤化镁,(2)由通式Me(OR)n Xz-n表示的化合物,其中Me表示J组I 至IV元素,z表示元素Me的化合价,n为0

    Process for preparing polyolefins
    3.
    发明授权
    Process for preparing polyolefins 失效
    聚烯烃的制备方法

    公开(公告)号:US5463001A

    公开(公告)日:1995-10-31

    申请号:US6695

    申请日:1993-01-21

    CPC分类号: C08F10/00

    摘要: Polyolefins exhibiting better particle properties are prepared by polymerizing an olefin or olefins in the presence of a catalyst comprising a solid catalyst component and an organometallic compound, said solid catalyst component being prepared by the reaction of the following components [I] and [II]:[I] a reaction product obtained by reacting the following components (1), (2) and (3) with one another in the presence of a compound represented by the general formula ROH wherein R is a hydrocarbon radical having 1 to 20 carbon atoms or an organic residue containing such an element as oxygen, nitrogen, sulfur, or chlorine:(1) a silicon oxide and/or an aluminum oxide;(2) a reaction product obtained by the reaction of a magnesium halide and compound represented by the general formula Me(OR).sub.n X.sub.z-n wherein Me represents an element of Groups I to IV in the Periodic Table, z represents the valence of the element Me, n is 0

    摘要翻译: 通过在包含固体催化剂组分和有机金属化合物的催化剂存在下聚合烯烃或烯烃来制备表现出更好颗粒性能的聚烯烃,所述固体催化剂组分通过以下组分[I]和[II]的反应制备: [I]通过使下列组分(1),(2)和(3)在通式ROH表示的化合物的存在下反应获得的反应产物,其中R是具有1至20个碳原子的烃基 或含有氧,氮,硫或氯等元素的有机残渣:(1)氧化硅和/或氧化铝; (2)通过卤化镁与通式Me(OR)n X z-n表示的化合物反应获得的反应产物,其中Me表示周期表中第I至IV族的元素,z表示元素的化合价 Me,n为0

    Process for preparing polyolefins
    5.
    发明授权
    Process for preparing polyolefins 失效
    聚烯烃的制备方法

    公开(公告)号:US5644008A

    公开(公告)日:1997-07-01

    申请号:US546824

    申请日:1995-10-23

    CPC分类号: C08F10/00 C08F210/16

    摘要: Olefin is polymerized using a catalyst comprising a solid catalyst component and an organometallic compound, the solid catalyst component being prepared by reacting 1 a reaction product obtained by reacting the reaction product of Si oxide and/or Al oxide and Ti compound or both Ti compound and V compound (Ti.V component) with organic Al compound, with 2 a reaction product obtained by the reaction of Mg halide, a compound of the general formula Me(OR).sub.n X.sub.z-n and Ti.V component (optional component), and further reacting the reaction product of the above 1 and 2 with 3 a compound of the general formula R.sub.p Si(OR).sub.q X.sub.4-p-q.

    摘要翻译: 烯烃使用包含固体催化剂组分和有机金属化合物的催化剂聚合,所述固体催化剂组分通过使+ E,crc 1 + EE与Si氧化物和/或氧化铝的反应产物和Ti 化合物或Ti化合物和V化合物(Ti.V组分)与有机Al化合物,+ E,crc 2 + EE反应产物,通过卤化镁,通式Me(OR)nXz- n和Ti.V组分(任选组分),并进一步使上述+ E,crc 1 + EE和+ E,crc 2 + EE与+ E,crc 3 + EE的反应产物与通式RpSi (OR)qX4-pq。

    Process for preparing polyolefins
    6.
    发明授权
    Process for preparing polyolefins 失效
    聚烯烃的制备方法

    公开(公告)号:US5541271A

    公开(公告)日:1996-07-30

    申请号:US380149

    申请日:1995-01-30

    CPC分类号: C08F10/00 Y10S526/901

    摘要: A polyolefin having superior particle properties such as an extremely high bulk density, a large average particle diameter and a narrow particle size distribution, and having a narrow molecular weight distribution, is obtained in high yield, by polymerizing an olefin, using a catalyst comprising a solid catalyst component and an organometallic compound, the solid catalyst component being obtained by reacting a) a silicon oxide and/or an aluminum oxide, the reaction product of an organomagnesium compound and a compound of the general formula Me(OR).sub.n X.sub.Z-n, and a titanium compound, in the presence of ROH, and further reacting the resulting reaction product with a compound of the general formula AlR.sub.q X.sub.3-q.

    摘要翻译: 通过聚合烯烃,可以高收率地获得具有优异的颗粒性能如聚合密度高,平均粒径大,粒度分布窄,分子量分布狭窄的聚烯烃, 固体催化剂组分和有机金属化合物,所述固体催化剂组分通过使a)氧化硅和/或氧化铝,有机镁化合物与通式Me(OR)n XZ-n的化合物的反应产物, 和钛化合物,在ROH存在下进一步使所得反应产物与通式AlRqX 3-q的化合物反应。

    Catalyst for preparing polyolefins
    7.
    发明授权
    Catalyst for preparing polyolefins 失效
    制备聚烯烃的催化剂

    公开(公告)号:US5506183A

    公开(公告)日:1996-04-09

    申请号:US287710

    申请日:1994-08-09

    CPC分类号: C08F10/00

    摘要: Polyolefins having better particle properties are obtained by polymerizing olefins in the presence of a catalyst comprising a solid catalyst component and an organometallic compound, the said solid catalyst component being prepared by reacting the following components [I] and [II] and further reacting the resulting reaction product with the following component [III]:[I] a reaction product obtained by reacting:(1) a silicon oxide and/or an aluminum oxide, and(2) a titanium compound, or a titanium compound and a vanadium compound, and further reacting the resulting reaction product with:(3) an organoaluminum compound;[II] a reaction product obtained by the reaction of:(1) a magnesium halide, and(2) a compound represented by the general formula Me(OR).sub.n X.sub.z-n wherein Me represents an element of Groups I to IV in the Periodic Table, z represents the valence of the element Me, n is 0

    摘要翻译: 具有更好颗粒性能的聚烯烃通过在包含固体催化剂组分和有机金属化合物的催化剂存在下聚合烯烃获得,所述固体催化剂组分通过使以下组分[I]和[II]反应制备,并进一步使所得 反应产物与以下组分[III]反应:[I]通过使(1)氧化硅和/或氧化铝反应获得的反应产物,和(2)钛化合物或钛化合物和钒化合物, 并进一步使所得反应产物与以下物质反应:(3)有机铝化合物; [II]通过以下反应获得的反应产物:(1)卤化镁和(2)由通式Me(OR)n Xz-n表示的化合物,其中Me表示周期表中第I至IV族的元素 表中,z表示元素Me的化合价,n为0

    Process for producing polyethylene of ultrahigh molecular weight
    8.
    发明授权
    Process for producing polyethylene of ultrahigh molecular weight 失效
    生产超高分子量聚乙烯的方法

    公开(公告)号:US4923935A

    公开(公告)日:1990-05-08

    申请号:US302564

    申请日:1989-01-26

    CPC分类号: C08F10/02 C08F10/00

    摘要: A process for producing polyethylene of ultrahigh molecular weight having an intrinsic viscosity of 10-30 dl/g at 135.degree. C. in decalin is disclosed which comprises at least the following two stages of polymerization reaction: (a) a first reaction stage where in ethylene is polymerized with use of a catalyst comprising a solid component containing at least Mg, Ti and/or Va and in the absence or presence of hydrogen of reduced concentration to produce 70-99.5 weight parts of polyethylene having an intrinsic viscosity of 12-32 dl/g at 135.degree. C. in decalin; and (b) a second reaction stage wherein a fresh feed of ethylene is polymerized in the presence of hydrogen of higher concentration to produce 30-0.5 weight parts of polyethylene having an intrinsic viscosity of 0.1-5 dl/g at 135.degree. C. in decalin.

    摘要翻译: 公开了在135℃下在十氢萘中生产特性粘度为10-30dl / g的超高分子量聚乙烯的方法,其至少包括以下两个阶段的聚合反应:(a)第一反应阶段,其中在 使用包含至少含有Mg,Ti和/或Va的固体组分的催化剂和在还原浓度不存在或不存在的情况下使乙烯聚合,得到70-99.5重量份的特性粘度为12-32的聚乙烯 dl / g,135℃,十氢化萘; 和(b)第二反应阶段,其中乙烯的新鲜进料在较高浓度的氢气存在下聚合,以在135℃下产生特性粘度为0.1-5dl / g的30至0.5重量份的聚乙烯 十氢化萘

    Ultra-high-molecular-weight polyethylene solution
    10.
    发明授权
    Ultra-high-molecular-weight polyethylene solution 失效
    超高分子量聚乙烯溶液

    公开(公告)号:US4767819A

    公开(公告)日:1988-08-30

    申请号:US70545

    申请日:1987-07-07

    摘要: The present invention provides an ultra-high-molecular-weight polyethylene solution which is produced by the steps of subjecting a kerosene fraction having a boiling point of 160.degree. to 300.degree. C. to a nucleus hydrogenation treatment at a pressure of 30 to 100 kg/cm.sup.2 at a temperature of 100.degree. to 300.degree. C. in the presence of a metallic catalyst for nucleus hydrogenation of aromatic nuclei; separating and removing at least a part of n-paraffins present in the kerosene therefrom by the use of a molecular sieve made up of a synthesized zeolite in order to obtain a residual oil; fractionating the latter by a rectification apparatus to obtain a hydrocarbon mixture fraction which has a boiling point of 180.degree. to 250.degree. C. and which is substantially free from naphthalene and biphenyl; and dissolving, in the hydrocarbon mixture fraction, an ultra-high-molecular-weight polyethylene having an intrinsic viscosity of 8 or more in decalin at 135.degree. C.

    摘要翻译: 本发明提供了一种超高分子量聚乙烯溶液,其通过以下步骤制备:使沸点为160〜300℃的煤油馏分在30〜100kg的压力下进行核氢化处理 在金属催化剂存在下,在100〜300℃的温度下,芳族核的核氢化; 通过使用由合成沸石构成的分子筛分离和除去存在于煤油中的至少一部分正链烷烃,以获得残油; 通过精馏装置对后者进行分馏,得到沸点为180-250℃,基本上不含萘和联苯的烃混合物馏分; 并在烃混合物馏分中,在135℃下在十氢化萘中溶解特性粘度为8以上的超高分子量聚乙烯。