Supported catalysts for the polymerization of olefins
    3.
    发明授权
    Supported catalysts for the polymerization of olefins 失效
    用于烯烃聚合的负载催化剂

    公开(公告)号:US06774194B2

    公开(公告)日:2004-08-10

    申请号:US10184679

    申请日:2002-06-26

    IPC分类号: C08F402

    摘要: Supported catalysts for the polymerization of olefins comprise the following components: (A) a porous organic support functionalised with groups having active hydrogen atoms; (B) an organo-metallic compound of aluminium containing heteroatoms selected from oxygen, nitrogen and sulphur; and (C) a compound of a transition metal selected from those of groups IVb, Vb or VIb of the Periodic Table of the Elements, containing ligands of the cyclopentadienyl type. These supported catalysts, obtainable in the form of spherical particles, can be used in the polymerization reaction of olefins either in liquid or in gas phase, thus producing polymers endowed with a controlled morphology and with a high bulk density.

    摘要翻译: 用于烯烃聚合的载体催化剂包括以下组分:(A)用具有活性氢原子的基团官能化的多孔有机载体;(B)含有选自氧,氮和硫的杂原子的铝的有机金属化合物; 和(C)选自元素周期表IVb,Vb或VIb族的过渡金属的化合物,其含有环戊二烯基型配体。可以使用可以球形颗粒形式获得的这些负载型催化剂 在烯烃在液相或气相中的聚合反应中,从而产生具有受控形态和高体积密度的聚合物。

    Supported catalysts for the polymerization of olefins
    5.
    发明授权
    Supported catalysts for the polymerization of olefins 失效
    用于烯烃聚合的负载催化剂

    公开(公告)号:US06423660B1

    公开(公告)日:2002-07-23

    申请号:US09004867

    申请日:1998-01-09

    IPC分类号: C08F444

    摘要: Supported catalysts for the polymerization of olefins comprise the following components: (A) a porous organic support functionalised with groups having active hydrogen atoms; (B) an organo-metallic compound of aluminium containing heteroatoms selected from oxygen, nitrogen and sulphur; and (C) a compound of a transition metal selected from those of groups IVb, Vb or VIb of the Periodic Table of the Elements, containing ligands of the cyclopentadienyl type. These supported catalysts, obtainable in the form of spherical particles, can be used in the polymerization reaction of olefins either in liquid or in gas phase, thus producing polymers endowed with a controlled morphology and with a high bulk density.

    摘要翻译: 用于烯烃聚合的载体催化剂包括以下组分:(A)用具有活性氢原子的基团官能化的多孔有机载体;(B)含有选自氧,氮和硫的杂原子的铝的有机金属化合物; 和(C)选自元素周期表IVb,Vb或VIb族中的过渡金属的化合物,其含有环戊二烯基型配体。可以使用可以球形颗粒形式获得的这些负载型催化剂 在烯烃在液相或气相中的聚合反应中,从而产生具有受控形态和高体积密度的聚合物。

    Elastomeric copolymers of ethylene with &agr;-olefins and process for their preparation
    8.
    发明授权
    Elastomeric copolymers of ethylene with &agr;-olefins and process for their preparation 失效
    乙烯与α-烯烃的弹性共聚物及其制备方法

    公开(公告)号:US06403737B1

    公开(公告)日:2002-06-11

    申请号:US09694160

    申请日:2000-10-24

    IPC分类号: C08F442

    摘要: A process for the preparation of amorphous copolymers of ethylene with &agr;-olefins and optionally minor amounts of polyenes are disclosed, which have the following characteristics: (A) the % by mole content of &agr;-olefin in the copolymer (%&agr;) and the ratio between the molar amount of &agr;-olefin diads and the molar content of &agr;-olefin in the copolymer (&agr;&agr;/&agr;) satisfy the following relationship: (%&agr;)−250 (&agr;&agr;/&agr;)≧10 (B) less than 2% of the CH2 groups in the polymeric chain are in sequences (CH2)n, wherein n is an even number. These copolymers are obtained by operating in the presence of particular metallocene-based catalysts having two fluorenyl groups joined together through a bridging group.

    摘要翻译: 公开了一种制备乙烯与α-烯烃和任选少量多烯的无定形共聚物的方法,其具有以下特征:(A)共聚物中α-烯烃的摩尔%摩尔%(%)和 α-烯烃二单元摩尔量与共聚物中α-烯烃的摩尔含量之比(αalpha/α)满足以下关系:(B)聚合物链中少于2%的CH 2基团为顺序( CH2)n,其中n是偶数。这些共聚物通过在具有通过桥连基团连接在一起的两个芴基的特定茂金属基催化剂存在下操作而获得。

    Elastomeric copolymers of ethylene with propylene and process for their preparation
    10.
    发明授权
    Elastomeric copolymers of ethylene with propylene and process for their preparation 失效
    乙烯与丙烯的弹性共聚物及其制备方法

    公开(公告)号:US06448351B1

    公开(公告)日:2002-09-10

    申请号:US09707645

    申请日:2000-11-07

    IPC分类号: C08F442

    摘要: Amorphous copolymers of ethylene with propylene, and optionally with minor amounts of polyenes, have the following characteristics: (A) the % content by mole of propylene in the copolymer (%P) and the triads ratio EPE/(EPE+PPE+PPP) satisfy the following relationship: 0.01%P+EPE/(E?E+PPE+PPP)≧1 (B) less than 2% of the CH2 groups in the chain are in sequences (CH2)n, wherein n is an even number. These copolymers are obtainable by operating in the presence of particular metallocene catalysts having two fluorenyl groups joined together through a bridging group.

    摘要翻译: 乙烯与丙烯和任选少量多烯的无定形共聚物具有以下特征:(A)共聚物中的丙烯含量%(%P)和三元组比EPE /(EPE + PPE + PPP) 满足以下关系:(B)链中少于2%的CH 2基团为(CH 2)n序列,其中n为偶数。这些共聚物可通过在具有两个芴基 团体通过桥接组合在一起。