Polymer composition and film thereof
    31.
    发明申请
    Polymer composition and film thereof 有权
    聚合物组合物及其膜

    公开(公告)号:US20050080192A1

    公开(公告)日:2005-04-14

    申请号:US10920274

    申请日:2004-08-18

    摘要: Disclosed is a polymer composition comprising a copolymer of propylene, a specific amount of α-olefin having 4 or more carbon atoms and optionally a specific amount of ethylene and a specific 1-butene homopolymer or copolymer having a melting point of not lower than 60° C. but lower than 125° C., wherein the polymer composition contains a 20° C. xylene-soluble portion of the polymer composition in an amount of from 5 to 45% by weight and the 20° C. xylene-soluble portion has an intrinsic viscosity of 1.3 dl/g or higher. The polymer composition may optionally contain a specific propylene copolymer and/or a specific propylene homopolymer or copolymer having a melting point of from 150° C. to 170° C.

    摘要翻译: 公开了一种聚合物组合物,其包含丙烯,特定量的具有4个或更多个碳原子的α-烯烃和任选的特定量的乙烯和特定的1-丁烯均聚物或共聚物的共聚物,其熔点不低于60℃ 但低于125℃,其中聚合物组合物含有5至45重量%的量的聚合物组合物的20℃二甲苯可溶部分,20℃二甲苯可溶部分具有 特性粘度为1.3dl / g以上。 聚合物组合物可任选地含有特定的丙烯共聚物和/或熔点为150℃至170℃的特定丙烯均聚物或共聚物。

    .alpha.-olefin polymerization catalyst system and process for producing
.alpha.-olefin catalyst
    33.
    发明授权
    .alpha.-olefin polymerization catalyst system and process for producing .alpha.-olefin catalyst 失效
    α-烯烃聚合催化剂体系和α-烯烃催化剂生产方法

    公开(公告)号:US5608018A

    公开(公告)日:1997-03-04

    申请号:US350158

    申请日:1994-11-30

    CPC分类号: C08F10/00

    摘要: An .alpha.-olefin polymerization catalyst system having so high a catalytic activity and stereoregularity that the catalyst residue and amorphous polymer need not be removed and a process for producing an.alpha.-olefin polymer using the catalyst system, said catalyst system consisting essentially of:(A) a trivalent titanium compound-containing solid catalyst component prepared by reducing a titanium compound, represented by the general formula Ti(OR.sup.1).sub.a X.sub.4-a in which R.sup.1 represents a hydrocarbon group having 1 to 20 carbon atoms; X represents a halogen atom; and a represents a numeral satisfying 0

    摘要翻译: 具有如此高的催化活性和立构规整性的催化剂残余物和无定形聚合物不需要除去的α-烯烃聚合催化剂体系和使用该催化剂体系生产α-烯烃聚合物的方法,所述催化剂体系基本上由以下组成:(A )通过还原由通式Ti(OR 1)a X 4-a表示的钛化合物制备的含三价钛化合物的固体催化剂组分,其中R 1表示具有1至20个碳原子的烃基; X表示卤原子; 和a表示满足0

    Polymer composition and film thereof
    34.
    发明授权
    Polymer composition and film thereof 有权
    聚合物组合物及其膜

    公开(公告)号:US07563847B2

    公开(公告)日:2009-07-21

    申请号:US11777427

    申请日:2007-07-13

    摘要: Disclosed is a polymer composition comprising a copolymer of propylene, a specific amount of α-olefin having 4 or more carbon atoms and optionally a specific amount of ethylene and a specific 1-butene homopolymer or copolymer having a melting point of not lower than 60° C. but lower than 125° C., wherein the polymer composition contains a 20° C. xylene-soluble portion of the polymer composition in an amount of from 5 to 45% by weight and the 20° C. xylene-soluble portion has an intrinsic viscosity of 1.3 dl/g or higher. The polymer composition may optionally contain a specific propylene copolymer and/or a specific propylene homopolymer or copolymer having a melting point of from 150° C. to 170° C.

    摘要翻译: 公开了一种聚合物组合物,其包含丙烯,特定量的具有4个或更多个碳原子的α-烯烃和任选的特定量的乙烯和特定的1-丁烯均聚物或共聚物的共聚物,其熔点不低于60℃ 但低于125℃,其中聚合物组合物含有5至45重量%的量的聚合物组合物的20℃二甲苯可溶部分,20℃二甲苯可溶部分具有 特性粘度为1.3dl / g以上。 聚合物组合物可任选地含有特定的丙烯共聚物和/或熔点为150℃至170℃的特定丙烯均聚物或共聚物。

    Polypropylene composition
    35.
    发明申请
    Polypropylene composition 审中-公开
    聚丙烯组成

    公开(公告)号:US20070238834A1

    公开(公告)日:2007-10-11

    申请号:US11724198

    申请日:2007-03-15

    IPC分类号: C08F8/00

    摘要: A polypropylene composition including 0.1 to 15% by weight of (A1) a propylene homopolymer and 85 to 99.9% by weight of (B1) a copolymer of propylene and an α-olefin having at least 4 carbon atoms in which component (B1) contains 0.1 to 5% by weight of α-olefin, or a polypropylene composition comprising 0.1 to 15% by weight of (A2) a copolymer of propylene and an α-olefin having at least 4 carbon atoms and 85 to 99.9% by weight of (B2) a copolymer of propylene and an α-olefin having at least 4 carbon atoms in which component (A2) contains 0.1 to 5% by weight of the α-olefin, component (B2) contains 0.2 to 5% by weight of α-olefin, and the content of the α-olefin in component (B2) is larger than the content of the α-olefin in component (A2).

    摘要翻译: 一种聚丙烯组合物,其包含0.1至15重量%的(A1)丙烯均聚物和85至99.9重量%的(B1)丙烯和具有至少4个碳原子的α-烯烃的共聚物,其中组分(B1)含有 0.1至5重量%的α-烯烃,或包含0.1至15重量%的(A2)丙烯和具有至少4个碳原子的α-烯烃和85至99.9重量%的(A 2)的共聚物的聚丙烯组合物, B2)丙烯和具有至少4个碳原子的α-烯烃的共聚物,其中组分(A2)含有0.1-5重量%的α-烯烃,组分(B2)含有0.2-5重量%的α-烯烃, 烯烃,组分(B2)中α-烯烃的含量大于组分(A2)中α-烯烃的含量。

    Process for producing polyolefin-based resin composition
    36.
    发明授权
    Process for producing polyolefin-based resin composition 失效
    聚烯烃系树脂组合物的制造方法

    公开(公告)号:US06835770B1

    公开(公告)日:2004-12-28

    申请号:US09689592

    申请日:2000-10-13

    IPC分类号: C08J300

    摘要: A process for a polyolefin-based resin composition, which comprises melt-kneading 100 parts by weight of a polyolefin-based resin and not less than 0.05 parts by weight and less than 2 parts by weight of polymer fine particles containing 0.10 to 90% by weight of a volatile component as an anti-blocking agent.

    摘要翻译: 1.一种聚烯烃系树脂组合物的制造方法,其特征在于,将100重量份聚烯烃系树脂熔融混炼,将0.05重量份以上且小于2重量份的含有0.10〜90重量% 挥发性成分作为防粘连剂的重量。

    Propylene-based resin composition and film made of the same
    37.
    发明授权
    Propylene-based resin composition and film made of the same 有权
    丙烯类树脂组合物及其制成的薄膜

    公开(公告)号:US06822049B2

    公开(公告)日:2004-11-23

    申请号:US10397731

    申请日:2003-03-27

    IPC分类号: B32B2700

    摘要: Disclosed is a resin composition that comprises a propylene-based copolymer (X) consisting of two kinds of copolymeric components made up of propylene, &agr;-olefin and optionally ethylene which are characterized by ethylene content and &agr;-olefin content, the copolymer (X) exhibiting a specific endothermic behavior in DSC measurement; a crystalline olefin-based polymer (Z) having a melting point up to 115° C.; and optionally a copolymer (Y) made up of propylene and &agr;-olefin and/or ethylene. The resin composition can be modified by addition of a propylene-based polymer (W) and/or a nucleating agent (N) and can yield a film superior in low-temperature heat sealability and antiblocking property.

    摘要翻译: 公开了一种树脂组合物,其包含由丙烯,α-烯烃和任选的乙烯组成的两种共聚物组分的丙烯类共聚物(X),其特征在于乙烯含量和α-烯烃含量,共聚物(X) 在DSC测量中表现出特定的吸热行为; 熔点高达115℃的结晶烯烃基聚合物(Z); 和任选的由丙烯和α-烯烃和/或乙烯组成的共聚物(Y)。 可以通过添加丙烯类聚合物(W)和/或成核剂(N)来改性树脂组合物,并且可以得到低温热封性和防粘连性优异的膜。

    Propylene-based resin composition and film made of the same
    38.
    发明授权
    Propylene-based resin composition and film made of the same 有权
    丙烯类树脂组合物及其制成的薄膜

    公开(公告)号:US06818703B2

    公开(公告)日:2004-11-16

    申请号:US10397297

    申请日:2003-03-27

    IPC分类号: B32B2700

    摘要: Disclosed is a resin composition that comprises a propylene-based copolymer (X) consisting of two kinds of copolymeric components made up of propylene, &agr;-olefin and optionally ethylene which are characterized by ethylene content an &agr;-olefin content, the copolymer (X) exhibiting a specific endothermic behavior in DSC measurement and a copolymer (Y) made up of propylene and &agr;-olefin and/or ethylene. The resin composition can afford a film superior in low-temperature heat sealability and antiblocking property.

    摘要翻译: 公开了一种树脂组合物,其包含由丙烯,α-烯烃和任选的乙烯组成的两种共聚物组分的丙烯类共聚物(X),其特征在于乙烯含量为α-烯烃含量,共聚物(X) 在DSC测量中表现出特定的吸热行为,以及由丙烯和α-烯烃和/或乙烯组成的共聚物(Y)。 树脂组合物可以提供低温热封性和防粘连性优异的膜。

    Polypropylene-based resin composition for stretched film, process for producing the same and stretched film
    39.
    发明授权
    Polypropylene-based resin composition for stretched film, process for producing the same and stretched film 失效
    用于拉伸膜的聚丙烯类树脂组合物,其制造方法和拉伸膜

    公开(公告)号:US06699574B2

    公开(公告)日:2004-03-02

    申请号:US10098486

    申请日:2002-03-18

    IPC分类号: B32B702

    摘要: A polypropylene-based resin composition for stretched film, comprising 20 to 98 parts by weight of a propylene-based polymer(A) having an intrinsic viscosity [&eegr;]A of 1.8 to 8 dl/g and a melting temperature TmA of 140 to 165 ° C. and 2 to 80 parts by weight of a propylene-based polymer(B) having an intrinsic viscosity [&eegr;]B of 0.8 to 1.7 dl/g and a melting temperature TmB of 150 to 170° C., wherein the ratio of TmA to TmB is less than 1, the ratio of the intrinsic viscosity [&eegr;]A to the intrinsic viscosity [&eegr;]B is more than 1 and less than 10, and the melt flow rate of the polypropylene-based resin composition is from 0.1 to 20 g/10 min.

    摘要翻译: 一种聚丙烯类拉伸膜用树脂组合物,其特征在于粘度ηA为1.8〜8dl / g,熔融温度Tm 140至165℃的2-丙烯基聚合物(B)和2-80重量份的特性粘度η<0.8至1.7dl / g的丙烯类聚合物(B)和熔融温度Tm < 150至170℃,其中Tm Tm 的比值小于1,特性粘度ηA与特性粘度ηB的比值大于 1且小于10,聚丙烯类树脂组合物的熔体流动速率为0.1〜20g / 10分钟。

    Process for producing ethylene-propylene block copolymer
    40.
    发明授权
    Process for producing ethylene-propylene block copolymer 失效
    生产乙烯 - 丙烯嵌段共聚物的方法

    公开(公告)号:US5449738A

    公开(公告)日:1995-09-12

    申请号:US907017

    申请日:1992-07-01

    CPC分类号: C08F297/083

    摘要: The present invention relates to a process for producing ethylene propylene block copolymers excellent in appearance, elongation and impact resistance when molded by a gas phase polymerization which can be conducted in a stable manner.The process of the present invention comprises the first step of polymerizing propylene by using a catalyst system composed essentially of(A) a solid catalyst component containing magnesium, titanium, and a halogen as the indispensable ingredients,(B) an organoaluminum compound, and(C) a silicon compound represented by the formula R.sup.1 R.sup.2 Si(OR.sup.3).sub.2, wherein R.sup.1 is an alicyclic hydrocarbon group and R.sup.2 and R.sup.3 are each a hydrocarbon group, to form a propylene homopolymer, and the second step of then polymerizing ethylene and propylene with further addition of a silicon compound represented by the formula R.sup.4 R.sup.5.sub.a Si(OR.sup.6).sub.3-a, wherein R.sup.4 is an aromatic hydrocarbon group, R.sup.5 is a hydrocarbon group or an aromatic hydrocarbon group, and a is a number satisfying the equation 0.ltoreq.a

    摘要翻译: 本发明涉及一种生产乙烯丙烯嵌段共聚物的方法,该共聚物通过可以以稳定的方式进行的气相聚合成型而具有优异的外观,伸长率和耐冲击性。 本发明的方法包括通过使用主要由(A)含有镁,钛和卤素的固体催化剂组分作为不可或缺的成分组成的催化剂体系聚合丙烯的第一步骤,(B)有机铝化合物和( C)由式R 1 R 2 Si(OR 3)2表示的硅化合物,其中R 1是脂环族烃基,R 2和R 3各自是烃基,以形成丙烯均聚物,然后第二步再进一步聚合乙烯和丙烯 添加由式R 4 R 5 a Si(OR 6)3-a表示的硅化合物,其中R 4是芳族烃基,R 5是烃基或芳族烃基,a是满足式0的数< 3,形成乙烯 - 丙烯共聚物。