Ethylene .alpha.-olefin copolymer obtained by copolymerizing ethylene
with an .alpha.-olefin
    1.
    发明授权
    Ethylene .alpha.-olefin copolymer obtained by copolymerizing ethylene with an .alpha.-olefin 失效
    通过使乙烯与α-烯烃共聚获得的乙烯-α-烯烃共聚物

    公开(公告)号:US6001941A

    公开(公告)日:1999-12-14

    申请号:US461948

    申请日:1995-06-05

    摘要: An ethylene/.alpha.-olefin copolymer obtained by copolymerizing ethylene with an .alpha.-olefin of 3 to 20 carbon atoms in the presence of a catalyst for olefin polymerization comprising an organoaluminum oxy-compound (a) and at least two kinds of transition metal compounds (b). This ethylene/.alpha.-olefin copolymer has high melt tension and high flowability. A graft modified ethylene/.alpha.-olefin copolymer obtained by graft polymerizing the above-mentioned ethylene/.alpha.-olefin copolymer with a polar monomer. An ethylene copolymer composition comprising the above-mentioned graft modified ethylene/.alpha.-olefin copolymer and polyolefin. The ethylene/.alpha.-olefin copolymer of the invention is excellent in moldability. From this copolymer, a film having high transparency and high mechanical strength can be produced. The graft modified ethylene/.alpha.-olefin copolymer of the invention is excellent in heat stability and moldability. From this copolymer, a film having high transparency and good adhesion to highly polar materials can be produced. The ethylene copolymer composition of the invention is excellent in heat stability and moldability. From this composition, a film having high transparency and good adhesion to highly polar materials can be produced.

    摘要翻译: 在烯烃聚合催化剂存在下,使乙烯与3-20个碳原子的α-烯烃共聚得到的乙烯/α-烯烃共聚物,包括有机铝氧化合物(a)和至少两种过渡金属化合物( b)。 该乙烯/α-烯烃共聚物具有高熔体张力和高流动性。 通过将极性单体接枝聚合上述乙烯/α-烯烃共聚物得到的接枝改性乙烯/α-烯烃共聚物。 包含上述接枝改性的乙烯/α-烯烃共聚物和聚烯烃的乙烯共聚物组合物。 本发明的乙烯/α-烯烃共聚物的成型性优异。 由该共聚物可以制造出透明性高,机械强度高的膜。 本发明的接枝改性乙烯/α-烯烃共聚物的热稳定性和成型性优异。 从该共聚物可以制造具有高透明性和对高极性材料的良好粘附性的膜。 本发明的乙烯共聚物组合物的热稳定性和成型性优异。 通过该组合物,可以制造具有高透明性和对高极性材料的良好粘附性的膜。

    Ethylene random copolymers
    2.
    发明授权
    Ethylene random copolymers 失效
    乙烯无规共聚物

    公开(公告)号:US5916988A

    公开(公告)日:1999-06-29

    申请号:US831953

    申请日:1997-04-02

    摘要: In accordance with the present invention, there are provided ethylene copolymers composed of structural units (a) derived from ethylene and structural units (b) derived from .alpha.-olefin of 3-20 carbon atoms, said ethylene copolymers having�A! a density of 0.85-0.92 g/cm.sup.3,�B! an intrinsic viscosity �.eta.! as measured in decalin at 135.degree. C. of 0.1-10 dl/g,�C! a ratio (Mw/Mn) of a weight average molecular weight (Mw) to a number average molecular weight (Mn) as measured by GPC of 1.2-4, and�D! a ratio (MFR.sub.10 /MFR.sub.2) of MFR.sub.10 under a load of 10 kg to MFR.sub.2 under a load of 2.16 kg at 190.degree. C. of 8-50, and being narrow in molecular weight distribution and excellent in flowability.

    摘要翻译: 根据本发明,提供了由衍生自乙烯的结构单元(a)和由3-20个碳原子的α-烯烃衍生的结构单元(b)组成的乙烯共聚物,所述乙烯共聚物具有[A] 0.85〜0.92g / cm 3,[135]萘烷中在135℃下测定的特性粘度η为0.1-10dl / g,[C]比率(+ E,ovs M + EE w / + E ,ovs M + EE n)的重均分子量(+ E,ovs M + EE w)与通过GPC测定的数均分子量(+ E,ovs M + EE n) D]在10℃负荷下MFR10的MFR10与MFR2在190℃时的负载为2.16kg的比率(MFR10 / MFR2)为8〜50,分子量分布窄,流动性优异。

    Olefin polymerization catalyst
    5.
    发明授权
    Olefin polymerization catalyst 失效
    烯烃聚合催化剂

    公开(公告)号:US5714426A

    公开(公告)日:1998-02-03

    申请号:US459795

    申请日:1995-06-02

    摘要: In accordance with the present invention, there are provided ethylene copolymers composed of structural units (a) derived from ethylene and structural units (b) derived from .alpha.-olefin of 3.about.20 carbon atoms, said ethylene copolymers having �A! a density of 0.85.about.0.92 g/cm.sup.3, �B! an intrinsic viscosity �.eta.! as measured in decalin at 135.degree. C. of 0.1.about.10 dl/g, �C! a ratio (Mw/Mn) of a weight average molecular weight (Mw) to a number average molecular weight (Mn) as measured by GPC of 1.2.about.4, and �D! a ratio (MFR.sub.10 /MFR.sub.2) of MFR.sub.10 under a load of 10 kg to MFR.sub.2 under a load of 2.16 kg at 190.degree. C. of 8.about.50, and being narrow in molecular weight distribution and excellent in flowability.

    摘要翻译: 根据本发明,提供由乙烯衍生的结构单元(a)和衍生自碳原子数3〜20的α-烯烃的结构单元(b)组成的乙烯共聚物,所述乙烯共聚物的[A]密度为 0.85差异0.92g / cm 3,[B]在135℃萘烷中测得的特性粘度η为0.1Dd / g,[C]比率(+ E,ovs M + EE w / + E ,ovs M + EE n)的重均分子量(+ E,ovs M + EE w)至数均分子量(+ E,ovs M + EE n) D]在10℃的负荷下MFR10的MFR10与MFR2的摩尔比(MFR 10 / MFR 2)在190℃时的摩尔比为2.16kg,分子量分布窄,流动性优异。

    Olefin polymerization catalysts and methods of olefin polymerization
    7.
    发明授权
    Olefin polymerization catalysts and methods of olefin polymerization 失效
    烯烃聚合催化剂和烯烃聚合方法

    公开(公告)号:US5543377A

    公开(公告)日:1996-08-06

    申请号:US456805

    申请日:1995-06-01

    摘要: An olefin polymerization catalyst of the present invention comprises (A) a metallocene compound, (B) an organoaluminum oxy compound, and (C) at least one kind of carbonyl-containing compound selected from ketoalcohol and .beta.-diketone, and optionally (D) an organoaluminum compound, and therefore, the catalyst is excellent in polymerization activity per catalyst unit weight, and is capable of giving olefin (co)polymers having high molecular weight.A supported olefin polymerization catalyst and its olefin prepolymerized catalyst of the present invention are excellent in polymerization activity per catalyst unit weight, and is capable of giving olefin (co)polymers having uniform particle size.

    摘要翻译: 本发明的烯烃聚合催化剂包含(A)茂金属化合物,(B)有机铝氧化合物和(C)至少一种选自酮醇和β-二酮的含羰基化合物,和任选地(D) 有机铝化合物,因此催化剂的催化剂单位重量的聚合活性优异,能够得到高分子量的烯烃(共)聚合物。 本发明的负载型烯烃聚合催化剂及其烯烃预聚合催化剂的催化剂单位重量的聚合活性优异,能够得到具有均匀粒径的烯烃(共)聚合物。

    Process for preparing ethylene copolymers
    8.
    发明授权
    Process for preparing ethylene copolymers 失效
    制备乙烯共聚物的方法

    公开(公告)号:US5525689A

    公开(公告)日:1996-06-11

    申请号:US458696

    申请日:1995-06-02

    摘要: In accordance with the present invention, there are provided ethylene copolymers composed of structural units (a) derived from ethylene and structural units (b) derived from .alpha.-olefin of 3.about.20 carbon atoms, said ethylene copolymers having[A] density of 0.85.about.0.92 g/cm.sup.3,[B] an intrinsic viscosity [.eta.] as measured in decalin at 135.degree. C. of 0.1.about.10 dl/g,[C] a ratio (Mw/Mn) of a weight average molecular weight (Mw) to a number average molecular weight (Mn) as measured by GPC of 1.2.about.4, and[D] a ratio (MFR.sub.10 /MFR.sub.2) of MFR.sub.10 under a load of 10 kg to MFR.sub.2 under a load of 2.16 kg at 190.degree. C. of 8.about.50, and being narrow in molecular weight distribution and excellent in flowability.

    摘要翻译: 根据本发明,提供由乙烯衍生的结构单元(a)和衍生自碳原子数3〜20的α-烯烃的结构单元(b)组成的乙烯共聚物,所述乙烯共聚物的[A]密度为0.85 差异0.92g / cm 3,[B]在135℃的十氢化萘中测得的特性粘度η为0.1Dd / g,[C]重均分子量的比率(<上升&Mw /<上升& (&Upbar&Mw)与通过1.2DIFFERENCE 4的GPC测定的数均分子量(&Upbar&Mn)和[D]在10kg负荷下MFR10的MFR10与MFR2在2.16kg负荷下的比(MFR 10 / MFR 2) 在190℃,差异为50,分子量分布窄,流动性好。

    Olefin polymerization solid catalyst, olefin polymerization catalyst and
olefin polymerization
    10.
    发明授权
    Olefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerization 失效
    烯烃聚合固体催化剂,烯烃聚合催化剂和烯烃聚合

    公开(公告)号:US5308816A

    公开(公告)日:1994-05-03

    申请号:US890271

    申请日:1992-05-29

    摘要: The present invention relates to a solid catalyst composed of a specific solid catalyst component [A-1], the catalyst containing the solid catalyst and the olefin polymerization process using the solid catalyst, in which the solid catalyst component [A-1] comprises; (a-1) a particulate carrier composed of a specific oxide of a metal; (a-2) an organoaluminum oxy compound; and (a-3) a specific transition metal compound containing a specific ligand, wherein the organoaluminum oxy compound (a-2) and the transition metal compound (a-3) are supported on the particulate carrier (a-1).The catalysts are applicable to a suspension polymerization and a vapor phase polymerization, and capable of preparing spherical olefin polymers excellent in particle characteristics at high polymerization activity.

    摘要翻译: 本发明涉及一种固体催化剂组分[A-1],含有固体催化剂的催化剂和使用固体催化剂的烯烃聚合方法,其中固体催化剂组分[A-1]包括的固体催化剂组分[A-1] (a-1)由金属的特定氧化物构成的颗粒状载体; (a-2)有机铝氧化合物; 和(a-3)含有特定配体的特定过渡金属化合物,其中有机铝氧化合物(a-2)和过渡金属化合物(a-3)负载在颗粒载体(a-1)上。 该催化剂适用于悬浮聚合和气相聚合,并且能够制备在高聚合活性下颗粒特性优异的球形烯烃聚合物。