1-butene copolymers and process for preparing them
    4.
    发明授权
    1-butene copolymers and process for preparing them 有权
    1-丁烯共聚物及其制备方法

    公开(公告)号:US07534848B2

    公开(公告)日:2009-05-19

    申请号:US10536857

    申请日:2003-11-14

    摘要: A process comprising contacting 1-butene and one or more alpha-olefins under polymerization conditions in the presence of a catalyst system obtainable by contacting: (A) a metallocene compound of formula (I) wherein: M is an atom of a transition metal; p is an integer from 0 to 3; X, same or different, are hydrogen atoms, halogen atoms, or an hydrocarbon group; L is a divalent bridging group; R1 and R3 are hydrocarbon groups; R2 and R4 are hydrogen atoms or hydrocarbon groups; T1 and T2, equal to or different from each other are a moiety of formula (II), (III) or (IV): wherein: R5, R6, R7, R8 and R9, equal to or different from each other, are hydrogen or hydrocarbon groups; and (B) an alumoxane or a compound able to form an alkylmetallocene cation.

    摘要翻译: 一种方法,包括在聚合条件下,在催化剂体系存在下使1-丁烯和一种或多种α-烯烃接触,所述催化剂体系可通过使下列物质接触而获得:(A)式(I)的茂金属化合物,其中:M是过渡金属的原子; p是0至3的整数; X相同或不同,为氢原子,卤素原子或烃基; L是二价桥基; R1和R3是烃基; R2和R4是氢原子或烃基; T 1和T 2彼此相同或不同的是式(II),(III)或(IV)的部分:其中:R 5,R 6,R 7,R 8和R 9彼此相同或不同,为氢 或烃基; 和(B)铝氧烷或能够形成烷基茂金属阳离子的化合物。

    Polyolefin masterbatch for preparing impact-resistant polyolefin articles
    5.
    发明授权
    Polyolefin masterbatch for preparing impact-resistant polyolefin articles 有权
    用于制备耐冲击聚烯烃制品的聚烯烃母料

    公开(公告)号:US07288598B2

    公开(公告)日:2007-10-30

    申请号:US10506950

    申请日:2003-03-06

    IPC分类号: C08F10/02

    摘要: A masterbatch composition comprising (1) 10-50 wt % of a crystalline propylene homopolymer and (2) 50-90 wt % of a blend consisting of (a) a copolymer of ethylene and one or more C4-CIO a-olefin(s), containing 10-40 of C4-CIO a-olefin(s), and (b) an amorphous copolymer of propylene and ethylene. Copolymer (b) has an ethylene content from 20-70 wt %, and an intrinsic viscosity value of the xylene-soluble moiety of from 2.2 to 3.5 d/Lg, this value being equal to 0.8 to 1.2 times the intrinsic viscosity value of the xylene-soluble moiety of copolymer (a). The weight ratio of copolymers (a)/(b) is from 3/1 to 1/3. Polyolefin compositions comprising the said masterbatch composition are suitable for the manufacture of automotive parts.

    摘要翻译: 一种母料组合物,其包含(1)10-50重量%的结晶丙烯均聚物和(2)50-90重量%的共混物,由(a)乙烯和一种或多种C 4 -C 10α-烯烃的共聚物 ),含有10-40个C 4 -C 10α-烯烃,和(b)丙烯和乙烯的无定形共聚物。 共聚物(b)的乙烯含量为20〜70重量%,二甲苯可溶部分的特性粘度值为2.2〜3.5d / Lg,该值等于其特性粘度值的0.8〜1.2倍 共聚物(a)的二甲苯可溶部分。 共聚物(a)/(b)的重量比为3/1〜1/3。 包含所述母料组合物的聚烯烃组合物适于制造汽车部件。

    Polyolefin composition having a high balance of stiffness, impact strength and elongation at break and low thermal shrinkage
    6.
    发明授权
    Polyolefin composition having a high balance of stiffness, impact strength and elongation at break and low thermal shrinkage 有权
    具有高刚度,冲击强度和断裂伸长率以及低热收缩率的高分子量聚烯烃组合物

    公开(公告)号:US08039540B2

    公开(公告)日:2011-10-18

    申请号:US11628628

    申请日:2005-05-30

    摘要: Polymer composition showing an improved balance of flexural modulus, IZOD impact strength and elongation at break comprising (percent by weight): A) a polymer blend comprising: A1) 50-70% of a crystalline propylene homopolymer or copolymer; and A2) 30-50% of one or more copolymer(s) of ethylene with one or more C4-C10 α-olefin(s) containing from 15 to 35% of said C4-C10 α-olefin(s); said polymer blend (A) having values of MFR equal to or higher than 10 g/10 min., a total content C4-C10 α-olefin(s) equal to or higher than 8% and an intrinsic viscosity value of the fraction soluble in xylene at room temperature of from 1.3 to 2 dl/g, the amounts of (A1) and (A2) being referred to the total weight of the polymer blend; and optionally B) 1-15% of an elastomeric polymer different from A2), having a hardness (Shore A, ASTM D-2240) value equal to or lower than 90 points; and/or C) 0.5-20% of a mineral filler; the amounts of optional components (B) and (C) being referred to the total weight of the composition.

    摘要翻译: 显示改善的弯曲模量,IZOD冲击强度和断裂伸长率平衡的聚合物组合物,其包含(重量%):A)包含:A1)50-70%的结晶丙烯均聚物或共聚物的聚合物共混物; 和A2)30-50%的一种或多种乙烯共聚物与一种或多种含有15至35%所述C 4 -C 10α-烯烃的C 4 -C 10α-烯烃; 所述聚合物共混物(A)具有等于或高于10g / 10分钟的MFR,等于或高于8%的总量的C 4 -C 10α-烯烃和可溶解的馏分的特性粘度值 在室温下的二甲苯为1.3-2dl / g,(A1)和(A2)的量是指聚合物共混物的总重量; 和任选的B)1-15%不同于A2)的弹性体聚合物,其硬度(肖氏A,ASTM D-2240)值等于或低于90分; 和/或C)0.5-20%的矿物填料; 任选组分(B)和(C)的量被称为组合物的总重量。

    Isotactic 1-butene copolymers
    7.
    发明授权
    Isotactic 1-butene copolymers 有权
    全同立构1-丁烯共聚物

    公开(公告)号:US07538174B2

    公开(公告)日:2009-05-26

    申请号:US11981497

    申请日:2007-10-30

    摘要: An isotactic 1-butene copolymer having a content up to 30% by mol of at least one alpha-olefin of formula CH2═CHZ derived units, wherein Z is a C3-C20 hydrocarbon group, having the following features: isotactic pentads (mmmm) >90%; and a percentage of soluble fraction in diethylether (% SD) and a molar content of said alpha olefins (% O) in the polymer chain meeting the following relation: % SD>2.8% O+8.

    摘要翻译: 具有至多30摩尔%的式CH 2 -CHZ衍生单元的至少一种α-烯烃的全同立构1-丁烯共聚物,其中Z为C3-C20烃基,具有以下特征:全同立构五单元组(mmmm) > 90%; 以及在聚合物链中的二乙醚中可溶性部分的百分比(%SD)和所述α-烯烃(%O)的摩尔含量满足以下关系:<?在线公式描述=“在线公式” “lead”?>%SD> 2.8%O + 8。<?in-line-formula description =“In-line Formulas”end =“tail”?>

    Crystalline propylene copolymer compositions having improved sealability and optical properties and reduced solubility
    8.
    发明授权
    Crystalline propylene copolymer compositions having improved sealability and optical properties and reduced solubility 有权
    结晶丙烯共聚物组合物具有改进的密封性和光学性质以及降低的溶解性

    公开(公告)号:US07557161B2

    公开(公告)日:2009-07-07

    申请号:US10491558

    申请日:2002-10-04

    IPC分类号: C08L23/00 C08L23/04 C08L23/16

    摘要: Propylene polymer compositions comprising (by weight): A) from 15% to 60% with C4-C8 alpha-olefin(s), containing more than 10%, but less than 14%, of said C4-C8 alpha-olefins (s); B) from 40% to 85% of a copolymer of propylene with C4-C8 alpha-olefin(s), preferably butene, containing from 14% to 30% of said C4-C8 alpha-olefin(s), and optionally from 0.5% to 3% of ethylene; provided that the total content of C4-C8 alpha-olefin(s) in the propylene polymer composition be higher than 10%.

    摘要翻译: 丙烯聚合物组合物包含(重量):A)15%至60%的C 4 -C 8α-烯烃,其含有超过10%但小于14%的所述C 4 -C 8α-烯烃(s ); B)40%至85%的丙烯与C 4 -C 8α-烯烃(优选丁烯)的共聚物,其含有14%至30%的所述C 4 -C 8α-烯烃,并且任选地为0.5 %至3%的乙烯; 丙烯聚合物组合物中的C 4 -C 8α-烯烃的总含量高于10%。

    Isotactic 1-butene copolymers
    9.
    发明申请
    Isotactic 1-butene copolymers 有权
    全同立构1-丁烯共聚物

    公开(公告)号:US20080249273A1

    公开(公告)日:2008-10-09

    申请号:US11981497

    申请日:2007-10-30

    IPC分类号: C08F210/08

    摘要: An isotactic 1-butene copolymer having a content up to 30% by mol of at least one alpha-olefin of formula CH2═CHZ derived units, wherein Z is a C3-C20 hydrocarbon group, having the following features: isotactic pentads (mmmm) >90%; and a percentage of soluble fraction in diethylether (% SD) and a molar content of said alpha olefins (% O) in the polymer chain meeting the following relation: % SD>2.8% O+8.

    摘要翻译: 具有至多30摩尔%的至少一种式CH 2 -CH-Z衍生单元的α-烯烃的全同立构1-丁烯共聚物,其中Z是C 3 90%; 以及在聚合物链中的二乙醚中可溶性部分的百分比(%SD)和所述α-烯烃(%O)的摩尔含量满足以下关系:<?在线公式描述=“在线公式” “lead”?>%SD> 2.8%O + 8。<?in-line-formula description =“In-line Formulas”end =“tail”?>

    Polyolefin masterbatch for preparing impact-resistant polyolefin articles
    10.
    发明申请
    Polyolefin masterbatch for preparing impact-resistant polyolefin articles 有权
    用于制备耐冲击聚烯烃制品的聚烯烃母料

    公开(公告)号:US20050113521A1

    公开(公告)日:2005-05-26

    申请号:US10506950

    申请日:2003-03-06

    摘要: A masterbatch composition comprising (1) 10-50 wt % of a crystalline propylene homopolymer and (2) 50-90 wt % of a blend consisting of (a) a copolymer of ethylene and one or more C4-CIO a-olefin(s), containing 10-40 of C4-CIO a-olefin(s), and (b) an amorphous copolymer of propylene and ethylene. Copolymer (b) has an ethylene content from 20-70 wt %, and an intrinsic viscosity value of the xylene-soluble moiety of from 2.2 to 3.5 d/Lg, this value being equal to 0.8 to 1.2 times the intrinsic viscosity value of the xylene-soluble moiety of copolymer (a). The weight ratio of copolymers (a)/(b) is from 3/1 to 1/3. Polyolefin compositions comprising the said masterbatch composition are suitable for the manufacture of automotive parts.

    摘要翻译: 一种母料组合物,其包含(1)10-50重量%的结晶丙烯均聚物和(2)50-90重量%的共混物,由(a)乙烯和一种或多种C 4 -C 10α-烯烃的共聚物 ),含有10-40个C 4 -C 10α-烯烃,和(b)丙烯和乙烯的无定形共聚物。 共聚物(b)的乙烯含量为20〜70重量%,二甲苯可溶部分的特性粘度值为2.2〜3.5d / Lg,该值等于其特性粘度值的0.8〜1.2倍 共聚物(a)的二甲苯可溶部分。 共聚物(a)/(b)的重量比为3/1〜1/3。 包含所述母料组合物的聚烯烃组合物适于制造汽车部件。