Components and catalysts for the polymerization of olefins
    1.
    发明授权
    Components and catalysts for the polymerization of olefins 失效
    用于烯烃聚合的组分和催化剂

    公开(公告)号:US06388028B2

    公开(公告)日:2002-05-14

    申请号:US08878681

    申请日:1997-06-19

    IPC分类号: C08F464

    CPC分类号: C08F10/00 C08F4/6543

    摘要: The present invention relates to spherical solid catalyst components for the polymerization of olefins, comprising a titanium compound, supported on a magnesium halide, containing more than one Ti-halogen link and optionally containing groups different from halogen in an amount lower than 0.5 mole per mole of Ti. Spherical solid compounds of the invention are characterized by having a surface area, measured by the BET method, of lower than 70 m2/g, a total porosity, measured by the mercurium method, higher than 0.5 cm3/g and a pore radius such that at least 50% have values higher than 800 Å.

    摘要翻译: 本发明涉及用于烯烃聚合的球形固体催化剂组分,其包含负载在卤化镁上的钛化合物,其含有多于一个的Ti-卤素连接并且任选地含有少于0.5摩尔/摩尔量的不同于卤素的基团 的Ti。 本发明的球形固体化合物的特征在于具有通过BET法测量的表面积低于70m 2 / g,通过汞法测量的总孔隙率高于0.5cm 3 / g,孔半径使得 至少有50%的值高于800?

    Catalyst-forming components and catalysts prepared therefrom useful in
the polymerization of olefins
    2.
    发明授权
    Catalyst-forming components and catalysts prepared therefrom useful in the polymerization of olefins 失效
    催化剂形成组分和由其制备的催化剂可用于烯烃聚合

    公开(公告)号:US4305840A

    公开(公告)日:1981-12-15

    申请号:US88162

    申请日:1979-10-25

    CPC分类号: C08F10/00 C08F4/022

    摘要: There are disclosed new catalyst-forming components and catalysts prepared therefrom which, used in the polymerization of olefins, result in high yields of polyolefins having a narrow molecular weight distribution and which do not require special purifying after-treatments for the removal of catalyst residues. More particularly, the new catalyst components and catalysts prepared from them are useful in the polymerization of ethylene or alpha-olefins CH.sub.2 .dbd.CHR, in which R is an alkyl or aryl radical of from 1 to 8 carbon atoms, or mixtures of ethylene with said alpha-olefins.

    摘要翻译: 公开了新的催化剂形成组分和由其制备的催化剂,其用于烯烃聚合中,导致具有窄分子量分布的高产率聚烯烃,并且不需要特殊的净化后处理以除去催化剂残余物。 更具体地说,由它们制备的新催化剂组分和催化剂可用于乙烯或α-烯烃CH 2 = CHR的聚合,其中R是具有1至8个碳原子的烷基或芳基,或乙烯与所述 α-烯烃。

    Components and catalysts for the polymerization of olefins
    3.
    发明授权
    Components and catalysts for the polymerization of olefins 失效
    用于烯烃聚合的组分和催化剂

    公开(公告)号:US5585317A

    公开(公告)日:1996-12-17

    申请号:US500032

    申请日:1995-07-10

    CPC分类号: C08F10/00

    摘要: The present invention relates to spherical solid components of catalysts for the polymerization of olefins comprising, supported on a magnesium dihalide in active form, a titanium compound containing at least one Ti-halogen bond and one OR group, said OR group being bonded to Ti in an amount such that the OR/Ti molar ratio is greater than or equal to 0.5; optionally the component also comprises an electron donor compound. The spherical solid components of the invention are characterized by having a porosity comprised between 0.35 and 0.7 cm.sup.3 /g and by a pore size distribution such that at least 50% of the porosity is due to pores having an average radius greater than 800 .ANG..

    摘要翻译: 本发明涉及用于烯烃聚合的催化剂的球形固体组分,其包括负载在活性形式的二卤化镁上,含有至少一个Ti-卤素键的钛化合物和一个OR基团,所述OR基团与Ti键合 使OR / Ti摩尔比大于或等于0.5的量; 任选地,组分还包含电子给体化合物。 本发明的球形固体组分的特征在于具有0.35-0.7cm 3 / g的孔隙率和孔径分布,使得至少50%的孔隙率是由于平均半径大于800的孔。

    Catalysts for preparing saturated elastomeric olefinic copolymers and
terpolymers
    4.
    发明授权
    Catalysts for preparing saturated elastomeric olefinic copolymers and terpolymers 失效
    用于制备饱和弹性烯烃共聚物和三元共聚物的催化剂

    公开(公告)号:US5219961A

    公开(公告)日:1993-06-15

    申请号:US808080

    申请日:1991-12-11

    IPC分类号: C08F10/00

    CPC分类号: C08F10/00

    摘要: Catalytic components for copolymerizing ethylene with alpha-olefins, or alpha-olefins with one another, and possibly with a diene as a termonomer, suitable for producing saturated and unsaturated elastomeric copolymers are disclosed. The catalytic components are compounds obtained by the reaction of:(1) a magnesium compound having the formula:R'.sub.y MgX.sub.n (OR).sub.2-n (wherein R, R'=alkyl, cycloalkyl, aryl; X=Cl, Br; n is from 0 to 1.8, y is from 0 to 1, and n+y=2), or(2) a Mg-alcohol adduct;with a titanium compound having the formula:Ti(OR).sub.Z X.sub.4-Z'wherein X and R are as defined above and Z is from 0 to 1, the compounds being charcterized by a Mg/Ti ratio of from 0.5 to 50 and an OR/Ti ratio of from 0.7 to 10. The copolymers produced using these catalytic components are endowed with improved tension-set characteristics in the vulcanized state.

    摘要翻译: 公开了用于使乙烯与α-烯烃或彼此之间的α-烯烃共聚的催化组分,以及可能用作产生饱和和不饱和弹性体共聚物的二烯作为单体的二烯烃。 催化组分是通过以下反应获得的化合物:(1)具有下式的镁化合物:R'yMgXn(OR)2-n(其中R,R'=烷基,环烷基,芳基; X = Cl,Br; n 为0〜1.8,y为0〜1,n + y = 2),(2)Mg-醇加成物; 与具有下式的钛化合物:Ti(OR)ZX4-Z',其中X和R如上定义,Z为0至1,该化合物被Mg / Ti比为0.5至50表示,OR / Ti比为0.7〜10。使用这些催化剂组分制备的共聚物在硫化状态下具有改进的张力设定特性。

    Components and catalysts for the polymerization of olefins
    5.
    发明授权
    Components and catalysts for the polymerization of olefins 失效
    用于烯烃聚合的组分和催化剂

    公开(公告)号:US5578541A

    公开(公告)日:1996-11-26

    申请号:US10750

    申请日:1993-01-29

    CPC分类号: C08F10/00

    摘要: The present invention relates to spherical solid components of catalysts for the polymerization of olefins comprising, supported on a magnesium dihalide in active form, a titanium compound containing at least one Ti-halogen bond, and optionally an electron donor compound. The spherical solid components of the invention are characterized by porosity values higher than 1 cm.sup.3 /g and a pore size distribution such that at least 30% of their pores have an average radius greater than 10000 .ANG..

    摘要翻译: 本发明涉及用于烯烃聚合的催化剂的球形固体组分,其包含负载在活性形式的二卤化镁上,含有至少一个Ti-卤素键的钛化合物和任选的电子给体化合物。 本发明的球形固体组分的特征在于高于1cm 3 / g的孔隙度值和孔径分布,使得其孔的至少30%的平均半径大于10000Ag。

    Ethylene/butene-1 copolymers
    6.
    发明授权
    Ethylene/butene-1 copolymers 失效
    乙烯/丁烯-1共聚物

    公开(公告)号:US5084540A

    公开(公告)日:1992-01-28

    申请号:US616767

    申请日:1990-11-20

    CPC分类号: C08F210/16

    摘要: Crystalline copolymers of ethylene and alpha-olefins CH.sub.2 .dbd.CHR in which R is an alkyl group having 2 to 8 carbon atoms, containing 0.5 to 3% by moles of polymerized alpha-olefin and having a density lower than 0.945 g/cc are obtained by polymerizing, in the gas phase, mixtures of ethylene and the alpha-olefins in contact with catalysts prepared from (1) Ti compounds supported on Mg halides and (2) organometallic compounds, which are active in the polymerization of ethylene but exhibit little, if any, activity in the homo- or copolymerization of the alpha-olefins.

    摘要翻译: 乙烯和α-烯烃CH 2 = CHR的结晶共聚物,其中R为具有2-8个碳原子的烷基,含有0.5-3%(摩尔)聚合的α-烯烃,密度低于0.945g / cc,通过 在气相中聚合乙烯和α-烯烃的混合物与由(1)负载在卤化镁上的Ti化合物和(2)有机金属化合物制备的催化剂接触,所述有机金属化合物在乙烯的聚合中是有活性的,但是如果 任何在α-烯烃的均聚或共聚中的活性。

    Catalyst components for polymerizing olefins
    7.
    发明授权
    Catalyst components for polymerizing olefins 失效
    用于聚合烯烃的催化剂组分

    公开(公告)号:US4390454A

    公开(公告)日:1983-06-28

    申请号:US285961

    申请日:1981-07-23

    摘要: There are disclosed components of catalysts for polymerizing ethylene and mixtures of ethylene with alpha-olefins comprising the reaction product of (A) a magnesium compound, such as Mg-chloride, Mg-alcoholate or a Grignard compound, with (B) a titanium, vanadium or zirconium compound having at least two metal-oxygen bonds, such as a tetra-alcoholate, and with (C) a halogenated compound of metals of B, such as Ti tetrachloride.According to an aspect of the invention, the reaction product (A)+(B), before being reacted with (C), is treated with a silicum compound having a halogenating and/or reducing action.The catalysts according to the invention are suitable for obtaining ethylene polymers having a broad distribution of molecular weights.

    摘要翻译: 公开了用于聚合乙烯的催化剂的组分和乙烯与α-烯烃的混合物的组分,其包括(A)镁化合物如Mg-氯化物,Mg-醇化物或格氏化合物与(B)钛的反应产物, 具有至少两个金属 - 氧键的钒或锆化合物,例如四醇化物,和(C)B的金属卤化化合物如四氯化钛。 根据本发明的一个方面,在与(C)反应之前,将反应产物(A)+(B)用具有卤化和/或还原作用的硅酸盐化合物处理。 根据本发明的催化剂适用于获得分子量分布广泛的乙烯聚合物。

    Components and catalysts for the polymerization of ethylene
    8.
    发明授权
    Components and catalysts for the polymerization of ethylene 失效
    用于乙烯聚合的组分和催化剂

    公开(公告)号:US5500397A

    公开(公告)日:1996-03-19

    申请号:US181283

    申请日:1994-01-13

    CPC分类号: C08F10/02

    摘要: Solid catalyst component for the polymerization of ethylene including the product of the reaction between:1) the product obtained by reacting:1A) a halide, halogen alcoholate or alcoholate of titanium, vanadium or zirconium;1B) a small quantity of water, and optionally1C) a compound or composition capable of substituting, in compound 1A, one or more alkoxy groups with a halogen atom; and2) a complex having general formula:MgX.sub.2 .multidot.nAlRX.sub.2 .multidot.pAlX.sub.3where X is chlorine or bromine; R is a hydrocarbon radical containing from 1 to 20 carbon atoms; n is a number from 1 to 4; p is a number from 0 to 1, and n+p from 1 to 4;the catalyst component being in the form or particles having a diameter lower than or equal to 20 micrometers, and an average diameter lower than or equal to 10 micrometers.

    摘要翻译: 用于乙烯聚合的固体催化剂组分包括以下反应产物:1)通过反应得到的产物:1A)卤化物,卤素醇化物或钛,钒或锆的醇化物; 1B)少量的水,和任选地1C)能够在化合物1A中用卤素原子取代一个或多个烷氧基的化合物或组合物; 和2)具有以下通式的络合物:MgX 2 x n AlR x 2 x p AlX 3其中X是氯或溴; R是含有1至20个碳原子的烃基; n是从1到4的数字; p是从0到1的数字,并且n + p从1到4; 催化剂组分为直径小于或等于20微米,平均直径小于或等于10微米的形式或颗粒。

    Components and catalysts for the polymerization of ethylene
    9.
    发明授权
    Components and catalysts for the polymerization of ethylene 失效
    用于乙烯聚合的组分和催化剂

    公开(公告)号:US5300470A

    公开(公告)日:1994-04-05

    申请号:US914245

    申请日:1992-07-15

    CPC分类号: C08F10/02

    摘要: Solid catalyst components for the preparation of catalysts capable of producing polymers and copolymers of ethylene with ultra high molecular weight are obtained in the form of particles having an average diameter of less than 10 micrometers, by way of reaction, in the presence of H.sub.2 O, between:1) a liquid obtained by reacting:A) a titanium compound containing at least one Ti--OR bond, where R is a C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.20 cycloalkyl, or C.sub.6 -C.sub.20 aryl radical; withB) a magnesium compound selected from the group consisting of: halides; compounds comprising at least one --OR or--OCOR group bonded to the magnesium, where R is a C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.20 cycloalkyl, or C.sub.6 -C.sub.20 aryl radical; organometallic compounds; products of the reaction between the above mentioned compounds and electron-donor compounds; and2) a compound or composition capable of halogenating and optionally reducing (A).

    摘要翻译: 通过反应,在H 2 O的存在下,以平均直径小于10微米的颗粒的形式获得用于制备能够生产具有超高分子量的乙烯的聚合物和共聚物的催化剂的固体催化剂组分 :1)通过以下反应获得的液体:A)含有至少一个Ti-OR键的钛化合物,其中R是C1-C20烷基,C3-C20环烷基或C6-C20芳基; B)选自以下的镁化合物:卤化物; 包含与镁键合的至少一个-OR或OCOR基团的化合物,其中R是C 1 -C 20烷基,C 3 -C 20环烷基或C 6 -C 20芳基; 有机金属化合物; 上述化合物与电子给体化合物之间的反应产物; 和2)能够卤化并任选还原(A)的化合物或组合物。

    Catalysts for homo- and copolymerization of ethylene and the polymers
obtained by use thereof
    10.
    发明授权
    Catalysts for homo- and copolymerization of ethylene and the polymers obtained by use thereof 失效
    用于乙烯均聚和共聚的催化剂和通过其使用得到的聚合物

    公开(公告)号:US4695558A

    公开(公告)日:1987-09-22

    申请号:US713557

    申请日:1985-03-19

    CPC分类号: C08F10/00

    摘要: Disclosed are catalysts for the polymerization of ethylene and of mixtures thereof with olefins, comprising the product obtained by reacting the following components:(a) an Al-alkyl compound;(b) an electron-donor compound containing at least a nitrogen atom, said compound being reactive towards MgCl.sub.2, but not towards Al-triethyl; and(c) the reaction product between a titanium compound containing at least a titanium-halogen bond and an anhydrous magnesium halide.The obtained (co)polymers have a very narrow molecular weight distribution which renders them particularly suitable for some applications, such as injection molding.

    摘要翻译: 公开了用于乙烯及其与烯烃的混合物的聚合的催化剂,其包括通过使以下组分反应获得的产物:(a)Al-烷基化合物; (b)至少含有氮原子的电子给体化合物,所述化合物对MgCl 2是反应性的,但不对三乙基铝反应; 和(c)至少含有钛 - 卤素键的钛化合物与无水卤化镁之间的反应产物。 获得的(共)聚合物具有非常窄的分子量分布,使得它们特别适用于一些应用,例如注射成型。