Process for preparing ethylene polymers
    1.
    发明授权
    Process for preparing ethylene polymers 失效
    制备乙烯聚合物的方法

    公开(公告)号:US5013802A

    公开(公告)日:1991-05-07

    申请号:US427941

    申请日:1989-10-25

    摘要: A process for preparing an ethylene polymer by a two-stage polymerization of ethylene or ethylene and an .alpha.-olefin in an inert hydrocarbon at 50.degree.-100.degree. C. using a coordination polymerization catalyst containing a solid component and an organoaluminum compound, said solid component containing a transition metal compound, which process comprises:(a) in a first stage, producing 10-90% by weight based on the total polymer quantity of a polymer having a melt index in the range of 0.0001 to 0.5 g/10 min as measured according to ASTM D 1238-73, Condition E, using as said solid component a solid product obtained by supporting chromium trioxide or a compound which on calcining forms chromium oxide at least partially, on an inorganic oxide carrier followed by calcining, and using as said organoaluminum compound a compound of the general formula ##STR1## wherein R is a hydrocarbon radical having 1 to 18 carbon atoms and n is 2.ltoreq.n.ltoreq.100; and(b) in a second stage, producing 90-10% by weight based on the total polymer quantity of a polymer having a melt index in the range of 0.01 to 50 g/10 min as measured according to ASTM D 1238-73, Condition E, using as said solid component a solid material containing at least magnesium and titanium, and using as said organoaluminum compound a compound of the general formula AlR'.sub.p X.sub.3-p wherein R' is a hydrocarbon radical having 1 to 20 carbon atoms, X is halogen and/or alkoxy and p is 0

    摘要翻译: 一种通过使用含有固体组分和有机铝化合物的配位聚合催化剂在50-100℃下在惰性烃中进行乙烯或乙烯和α-烯烃两步聚合制备乙烯聚合物的方法,所述固体 含有过渡金属化合物的组分,该方法包括:(a)在熔融指数在0.0001至0.5g / 10min范围内的聚合物的总聚合物量的第一阶段中,产生10-90重量% 根据ASTM D 1238-73,条件E测量,使用通过将无机氧化物载体上的三氧化铬或煅烧至少部分形成的氧化铬上的化合物或三价氧化物得到的固体产物作为所述固体成分进行煅烧,并使用 所述有机铝化合物是通式为“IMAGE”的化合物,其中R为具有1至18个碳原子的烃基,n为2

    Organic thin film electroluminescent device
    3.
    发明授权
    Organic thin film electroluminescent device 失效
    有机薄膜电致发光器件

    公开(公告)号:US5231329A

    公开(公告)日:1993-07-27

    申请号:US728646

    申请日:1991-07-11

    摘要: An organic thin film electroluminescent device is composed of an electron transport layer, a hole transport layer and a transparent electrode. The electron transport layer is constituted of an electron conducting polymer represented by the formula (I) ##STR1## wherein R.sup.1 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R.sup.2 is a hydrogen atom, an alkyl or alkoxy group having 1 to 4 carbon atoms, an aryl group, an aryloxy group, a thioether group, an amino group, a halogen atom, an aldehyde group, a cyano group, a nitro group or a hydroxyl group, x is an integer of 1 to 6, on the condition that, if x is an integer of 2 to 6, R.sup.2 may be the same or different, and n is an integer not less than 2.

    摘要翻译: 有机薄膜电致发光器件由电子传输层,空穴传输层和透明电极组成。 电子传输层由式(I)表示的电子传导性聚合物构成:其中R1是氢原子或具有1-4个碳原子的烷基,R2是氢原子,烷基或 具有1至4个碳原子的烷氧基,芳基,芳氧基,硫醚基,氨基,卤素原子,醛基,氰基,硝基或羟基,x是 在1〜6的情况下,如果x为2〜6的整数,则R2可以相同也可以不同,n为2以上的整数。

    Process for preparing polyolefins
    4.
    发明授权
    Process for preparing polyolefins 失效
    聚烯烃的制备方法

    公开(公告)号:US4288579A

    公开(公告)日:1981-09-08

    申请号:US102646

    申请日:1979-12-12

    CPC分类号: C08F10/00 Y10S526/906

    摘要: According to this invention there is provided a process for polymerizing or copolymerizing olefins using a catalyst consisting of:[A]a solid component obtained by contacting(1) a reaction product resulting from heat reaction of a magnesium oxide and an aluminum trihalide with(2) a titanium halide and/or an addition product of a titanium halide and an aromatic carboxylic acid ester, and[B]an organometallic compound and/or an addition product of an organometallic compound and an aromatic carboxylic acid ester,or alternatively, using a catalyst consisting of acid components [A] and [B] plus [C] an aromatic carboxylic acid ester.

    摘要翻译: 根据本发明,提供了一种使用由以下组成的催化剂聚合或共聚烯烃的方法:[A]通过使(1)由氧化镁和三卤化铝的热反应得到的反应产物与(2) )卤化钛和/或卤化钛和芳族羧酸酯的加成产物,和[B]有机金属化合物和/或有机金属化合物和芳族羧酸酯的加成产物,或者使用 由酸组分[A]和[B] + [C]芳族羧酸酯组成的催化剂。

    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:US4410670A

    公开(公告)日:1983-10-18

    申请号:US45961

    申请日:1979-06-06

    IPC分类号: C08F10/00 C08F4/66

    CPC分类号: C08F10/00

    摘要: This invention provides a process for preparing polyolefins using a new catalyst. According to this invention, .alpha.-olefins can be polymerized or copolymerized to have good stereoregularity and at a high activity by the use of such new catalyst. The new catalyst used in this invention consists of [A] a solid component obtained by contacting (1) a magnesium oxide, (2) an aluminum trihalide, (3) a hydroxy compound represented by the general formula ROH wherein R is an organic radical having 1 to 20 carbon atoms and (4) a titanium halide and/or an addition product of a titanium halide and an aromatic carboxylic acid ester, and [B] an organometallic compound and/or an addition product of an organometallic compound and an aromatic carboxylic acid ester; or it consists of the solid component of the above [A], the organometallic compound and/or the addition product of an organometallic compound and an aromatic carboxylic acid ester of the above [B], and [C] an aromatic carboxylic acid ester. The said catalyst is prepared, in one of the most preferred embodiments thereof, by using the solid component of the above [A] which is obtained by first co-pulverizing the compounds of the above (1),(2) and (3), then washing the co-pulverized product with an aromatic compound, separating the liquid phase to give a solid substance (a) and contacting the latter with the compound and/or the addition product of the above (4).

    摘要翻译: 本发明提供使用新催化剂制备聚烯烃的方法。 根据本发明,通过使用这种新的催化剂,α-烯烃可以聚合或共聚以具有良好的立构规整性和高活性。 本发明中使用的新型催化剂由[A]一种固体组分组成,该固体组分通过使(1)氧化镁,(2)三卤化铝,(3)由通式ROH表示的羟基化合物,其中R是有机基团 具有1至20个碳原子和(4)卤化钛和/或卤化钛和芳族羧酸酯的加成产物,和[B]有机金属化合物和/或有机金属化合物和芳族化合物的加成产物 羧酸酯; 或者由上述[A]的固体组分,有机金属化合物和/或上述[B]的有机金属化合物和芳族羧酸酯的加成产物和[C]芳族羧酸酯组成。 所述催化剂在其最优选的实施方案之一中,通过使用上述[A]的固体成分,其是通过首先共混上述(1),(2)和(3)的化合物而获得的, ,然后用芳族化合物洗涤共粉碎产物,分离液相,得到固体物质(a),并使其与上述(4)的化合物和/或加成产物接触。

    Catalyst component for the polymerization of olefins

    公开(公告)号:US5728641A

    公开(公告)日:1998-03-17

    申请号:US464655

    申请日:1995-06-21

    摘要: According to the present invention there are provided a catalyst component, a catalyst using the catalyst component and a process using the catalyst, for the preparation of olefin polymers high in molecular weight and relatively wide in molecular weight distribution, using an extremely small amount of a modified organoaluminum compound such as methylaluminoxane and in high yield. The catalyst component is prepared by contacting at least the following constituents (1), (2), (3) and (4) with one another: (1) a compound represented by the general formula Me.sup.1 R.sup.1.sub.p (OR.sup.2).sub.q X.sub.4-p-q where R.sup.1 and R.sup.2 are each independently a hydrocarbon group having 1 to 24 carbon atoms, X is a halogen atom, Me is Zr, Ti or Hf, p and q are each an integer in the ranges of 0.ltoreq.p.ltoreq.4 and 0.ltoreq.q.ltoreq.4, provided 0.ltoreq.p+q.ltoreq.4; (2) at least one compound selected from the group consisting of compounds represented by the following general formulas 1 to 4: General formula 1: Me.sup.2 R.sup.3.sub.m (OR.sup.4).sub.n X.sup.2.sub.z-m-n General formul 2: Me.sup.3 H.sub.2 R.sup.5.sub.3-a General formula 3: Me.sup.4 �Me.sup.3 H.sub.b R.sup.6.sub.c (OR.sup.7).sub.4-b-c !.sub.y General formula 4: ##STR1## where R.sup.3,R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8, which may be the same or different, are each independently a hydrocarbon group having 1 to 24 carbon atoms, Me.sup.2 is a Group 1, 2, 12 or 13 element in the Periodic Table of Elements, Me.sup.3 is a Group 13 element in the same Table, Me.sup.4 is a Group 1, 2, or 12 element in the same Table, X.sup.2 is a halogen atom, z is the valence of Me.sup.2, y is the valence of Me.sup.4, and m, n, a, b, c and d are each an integer in the ranges of 0.ltoreq.m.ltoreq.z, 0.ltoreq.n.ltoreq.z, provided 0.ltoreq.m+m.ltoreq.z, 0

    Catalyst component for the polymerization of olefins
    7.
    发明授权
    Catalyst component for the polymerization of olefins 失效
    用于烯烃聚合的催化剂组分

    公开(公告)号:US5556821A

    公开(公告)日:1996-09-17

    申请号:US276898

    申请日:1994-07-19

    摘要: According to the present invention there is provide a catalyst capable of affording an olefin homopolymer or copolymer having a high molecular weight and a relatively wide molecular weight distribution, in high yield, using an extremely small amount of a modified organoaluminum compound (particularly methylaluminoxane).The catalyst comprises the modified organoaluminum compound and a catalyst component comprising the following compounds (1) and (2): (1) a compound represented by the general formula R.sub.p MX.sub.4-p where M is a transition metal of Group IVa in the Periodic Table, R is cyclopentadienyl, substituted cyclopentadienyl, indenyl, substituted indenyl, or an aralkyl group having 7 to 24 carbon atoms, provided Rs may be bonded together through an alkylene groups having 2 to 8 carbon atoms and/or silylene group, X is a halogen atom, a hydrogen atom or a hydrocarbon residue having 1 to 24 carbon atoms, and p is a number satisfying the condition of 1.ltoreq.p.ltoreq.4; and (2) a compound containing carbon-fluorine bond.

    摘要翻译: 根据本发明,提供能够以极少量的改性有机铝化合物(特别是甲基铝氧烷)以高产率提供具有高分子量和相对较宽分子量分布的烯烃均聚物或共聚物的催化剂。 催化剂包含改性的有机铝化合物和包含以下化合物(1)和(2)的催化剂组分:(1)由通式RpMX4-p表示的化合物,其中M是元素周期表中IVa族的过渡金属, R是环戊二烯基,取代的环戊二烯基,茚基,取代的茚基或具有7至24个碳原子的芳烷基,其中R 5可以通过具有2-8个碳原子和/或亚甲硅基的亚烷基键合在一起,X是卤素原子 ,氢原子或碳原子数为1〜24的烃残基,p为满足1≤n≤4的条件的数。 和(2)含有碳 - 氟键的化合物。

    Catalyst components for polymerization of olefins
    8.
    发明授权
    Catalyst components for polymerization of olefins 失效
    用于烯烃聚合的催化剂组分

    公开(公告)号:US5795839A

    公开(公告)日:1998-08-18

    申请号:US461604

    申请日:1995-06-05

    摘要: A process for the polymerization of olefinic hydrocarbons is carried out in the presence of a catalyst comprising a catalyst component derived from reacting a compound of the formula Me.sup.1 R.sup.1.sub.n X.sup.1.sub.4-n, a compound of the formula Me.sup.2 R.sup.2.sub.m X.sup.2.sub.z-m, an organocyclic compound having two or more conjugated double bonds and a carrier of inorganic or polymeric material, and a modified organoaluminum compound having Al--O--Al bonds, the resulting polyolefins having a relatively wide molecular weight distribution, a relatively narrow composition distribution and increased bulk density.

    摘要翻译: 烯烃聚合方法是在催化剂存在下进行的,该催化剂包含催化剂组分,催化剂组分衍生自使式Me1R1nX14-n的化合物,式Me2R2mX2z-m的化合物,具有两个或更多个共轭 双键和无机或聚合物材料的载体和具有Al-O-Al键的改性有机铝化合物,所得聚烯烃具有相对较宽的分子量分布,相对窄的组成分布和增加的体积密度。

    Solid catalyst components for olefin polemerization and use thereof
    9.
    发明授权
    Solid catalyst components for olefin polemerization and use thereof 失效
    用于烯烃聚合的固体催化剂组分及其用途

    公开(公告)号:US5604170A

    公开(公告)日:1997-02-18

    申请号:US199561

    申请日:1994-02-22

    摘要: An effective catalyst carrier for use in the polymerization of olefins is provided.Said carrier comprises particles of silicon oxide or aluminum oxide satisfying the following characteristics (A) to (E):(A) An average particle diameter as measured by the sieving method is in the range of 20 to 150 .mu.m.(B) A specific surface area as measured by the BET method is in the range of 150 to 600 m.sup.2 /g.(C) The volume of pores ranging in pore radius from 18 to 1,000 Angstroms as measured by the mercury penetration method is in the range of 0.3 to 2.0 cm.sup.3 /g.(D) An apparent specific gravity as measured according to JIS K6220-6.8 is not lower than 0.32.(E) After the particles classified in the range of between 53 .mu.m and 75 .mu.m by the sieving method have been subjected to an ultrasonic disintegration treatment at 40 KHz, 35 W, for 20 minutes, the proportion of 50 .mu.m or smaller particles, i.e., degree of ultrasonic disintegration, is not more than 30%.

    摘要翻译: 提供了一种用于烯烃聚合的有效催化剂载体。 所述载体包含满足以下特征(A)至(E)的氧化硅或氧化铝颗粒:(A)通过筛分方法测量的平均粒径为20-150μm。 (B)通过BET法测定的比表面积为150〜600m 2 / g的范围。 (C)通过水银渗透法测定的孔半径为18〜1000埃的孔的体积在0.3〜2.0cm 3 / g的范围内。 (D)根据JIS K6220-6.8测定的表观比重不低于0.32。 (E)通过筛分方法将分级在53μm至75μm范围内的颗粒在40KHz,35W,20分钟以上进行超声波分解处理,比例为50μm以上 颗粒,即超声崩解度不大于30%。