PROCESS FOR POLYMERISING ETHYLENE
    1.
    发明申请
    PROCESS FOR POLYMERISING ETHYLENE 有权
    聚合乙烯的方法

    公开(公告)号:US20100234543A1

    公开(公告)日:2010-09-16

    申请号:US12734585

    申请日:2008-10-15

    IPC分类号: C08F4/50

    摘要: The present invention relates to a process for polymerisation of ethylene, in particular a process which comprises using a catalyst system comprising comprising a catalyst system comprising: i) a solid catalyst comprising Ti, Mg and halogen, ii) a first activator which is at least one trialkylaluminium compound of the formula AIR3, where each R is independently a C2 to C20 alkyl radical, and iii) a second activator which is at least one alkylaluminium chloride of the formula AlR′2Cl, where each R′ is independently a C2 to C20 alkyl radical, characterised in that the second activator is introduced directly in the polymerisation reactor, without precontact with the solid catalyst, continuously or semi-continuously and at a maximum rate of introduction at any time corresponding to less than 10 ppm by weight of chlorine relative to the rate of polyethylene production.

    摘要翻译: 本发明涉及一种聚合乙烯的方法,特别是包括使用包括催化剂体系的催化剂体系的方法,所述催化剂体系包含:i)包含Ti,Mg和卤素的固体催化剂,ii)至少第一活化剂 一种式为AIR3的三烷基铝化合物,其中每个R独立地为C 2至C 20烷基,和iii)第二活化剂,其为至少一种式AlR'2Cl的烷基氯化铝,其中每个R'独立地为C 2至C 20 烷基,其特征在于,第二活化剂直接在聚合反应器中引入,不与固体催化剂预接触,连续或半连续并且以最大引入速率在任何时间对应于小于10ppm重量的氯相对 达到聚乙烯生产率。

    Process for polymerising ethylene
    2.
    发明授权
    Process for polymerising ethylene 有权
    聚合乙烯的方法

    公开(公告)号:US08293857B2

    公开(公告)日:2012-10-23

    申请号:US12734585

    申请日:2008-10-15

    摘要: Process for polymerization of ethylene using a catalyst system including (i) a solid catalyst of Ti, Mg and halogen, (ii) a first activator which is at least one trialkylaluminium compound of the formula AlR3, where each R is independently a C2 to C20 alkyl radical, and (iii) a second activator which is at least one alkylaluminium chloride of the formula AlR′2Cl, where each R′ is independently a C2 to C20 alkyl radical. The second activator is introduced directly into the polymerization reactor, without precontact with the solid catalyst, continuously or semi-continuously, and at a maximum rate of introduction at any time corresponding to less than 10 ppm by weight of chlorine relative to the rate of polyethylene production.

    摘要翻译: 使用包括(i)Ti,Mg和卤素的固体催化剂的催化剂体系聚合乙烯的方法,(ii)第一活化剂,其为至少一种式AlR 3的三烷基铝化合物,其中每个R独立地为C 2至C 20 烷基,和(iii)第二活化剂,其为至少一种式AlR'2Cl的烷基氯化铝,其中每个R'独立地为C 2至C 20烷基。 将第二活化剂直接引入聚合反应器中,无需与固体催化剂预连接,连续或半连续,并且在任何相应于低于10ppm重量的氯的聚合物的最大引入速率相对于聚乙烯的速率 生产。

    Polymerization process
    3.
    发明授权
    Polymerization process 失效
    聚合过程

    公开(公告)号:US06462152B1

    公开(公告)日:2002-10-08

    申请号:US09698258

    申请日:2000-10-30

    IPC分类号: C08F201

    摘要: A process for the polymerization of 1-olefins which comprises the steps of a) preparing a prepolymer-based catalyst by contacting one or more 1-olefins with a catalyst system, and b) contacting the prepolymer-based catalyst with one or more 1-olefins, wherein the catalyst system comprises (1) a compound of formula (I) wherein M is Fe[II], Fe[III], Co[I], Co[II], Co[III], Mn[I], Mn[II], Mn[III], Mn[IV], Ru[II], RU[III] or Ru[IV]; X represents an atom or group covalently or ionically bonded to the transition metal M; T is the oxidation state of the transition metal M and b is the valency of the atom or group X; R1, R2, R3, R4, R5, R6 and R7 are independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; and when any two or more of R1-R7 are hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl, said two or more can be linked to form one or more cyclic substituents; optionally (2) an activator, and also optionally (3) a compound of the formula AlR3, wherein each R is independently C1-C12 alkyl or halo.

    摘要翻译: 一种用于1-烯烃聚合的方法,其包括以下步骤:a)通过使一种或多种1-烯烃与催化剂体系接触来制备预聚物基催化剂,和b)使预聚物基催化剂与一种或多种1- 烯烃,其中所述催化剂体系包含(1)其中M是Fe [II],Fe [III],Co [I],Co [II],Co [III],Mn [I], Mn [II],Mn [III],Mn [IV],Ru [II],RU [III]或Ru [IV] X表示与过渡金属M共价或离子键合的原子或基团; T是过渡金属M的氧化态,b是原子或基团X的化合价; R 1,R 2,R 3,R 4,R 5,R 6和R 7独立地选自氢,卤素,烃基,取代的烃基,杂烃基或取代的杂烃基; 并且当R 1 -R 7中的任何两个或更多个是烃基,取代的烃基,杂烃基或取代的杂烃基时,所述两个或更多个可以连接以形成一个或多个环状取代基; 任选地(2)活化剂,并且还任选地(3)式AlR 3的化合物,其中每个R独立地是C 1 -C 12烷基或卤素。

    Polymerization catalysts
    4.
    发明授权
    Polymerization catalysts 有权
    聚合催化剂

    公开(公告)号:US06677267B2

    公开(公告)日:2004-01-13

    申请号:US09830229

    申请日:2001-04-24

    IPC分类号: B01J3118

    摘要: The present invention relates to a process for the polymerization and copolymerization of 1-olefins and to a catalyst to be used in said process wherein the catalyst comprises (1) a complex having formula (I) wherein M is Fe[II], Fe[III], Co[I], Co[II], Co[III], Mn[I], Mn[II], Mn[III], Mn[IV], Ru[II], Ru[III] or Ru[IV]; X represents an atom or group covalently or ionically bonded to the metal M; T is the oxidation state of the metal; b is the valency of the atom or group X; and R 1 to R 7 are each independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl, substituted heterohydrocarbyl or SiR′ 3 where each R′ is independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl, substituted heterohydrocarbyl; and when any two or more of R 1 to R 7 are hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl, said two or more can be linked to form one or more cyclic substituents; (2) an activator which is an alkylalumoxane; and (3) a support material, wherein the atomic ratio of aluminium in the alkylalumoxane (2) to transition metal M in (1) is from 6:1 to 25:1.

    摘要翻译: 本发明涉及一种用于所述方法中使用的1-烯烃和催化剂的聚合和共聚方法,其中催化剂包含(1)式(I)的络合物,其中M是Fe [II],Fe [ III],Co [I],Co [II],Co [III],Mn [I],Mn [II],Mn [III],Mn [Ⅳ],Ru [II] IV]; X表示与金属M共价或离子键合的原子或基团; T是金属的氧化态; b是原子或基团X的化合价; R 1至R 7各自独立地选自氢,卤素,烃基,取代的烃基,杂烃基,取代的杂烃基或SiR 3,其中每个R'独立地选自氢,卤素,烃基,取代的烃基,杂烃基,取代的杂烃基; 当R 1至R 7中的任何两个或更多个为烃基,取代的烃基,杂烃基或取代的杂烃基时,所述两个或多个可以连接形成一个或多个环状取代基; (2)作为烷基铝氧烷的活化剂; 和(3)支撑材料,其中烷基铝氧烷(2)中的铝与(1)中的过渡金属M的原子比为6:1至25:1。