Impact-modified polypropylene
    43.
    发明授权
    Impact-modified polypropylene 有权
    冲击改性聚丙烯

    公开(公告)号:US09040633B2

    公开(公告)日:2015-05-26

    申请号:US12734368

    申请日:2008-10-27

    摘要: The present invention relates to a polymer composition, comprising: (i) a polypropylene matrix; (ii) a first elastomeric phase dispersed within the matrix and having a glass transition temperature Tg1, measured with dynamical mechanical thermal analysis according to ISO 6721-2, wherein the first elastomeric phase comprises an ethylene copolymer having comonomer units derived from C3 to C8 olefins; (iii) a second elastomeric phase dispersed within the matrix, wherein the second elastomeric phase is crosslinked and has a glass transition temperature Tg2, measured with dynamical mechanical thermal analysis according to ISO 6721-2, within the range of −70° C. to −90° C., wherein the difference between Tg1 and Tg2 is at least 15° C. and Tg1 is higher than Tg2.

    摘要翻译: 本发明涉及聚合物组合物,其包含:(i)聚丙烯基质; (ii)分散在基体内并且具有根据ISO 6721-2的动态机械热分析测量的玻璃化转变温度Tg1的第一弹性体相,其中第一弹性体相包含具有衍生自C3至C8烯烃的共聚单体单元的乙烯共聚物 ; (iii)分散在基体内的第二弹性体相,其中第二弹性体相交联并且具有根据ISO 6721-2的动态机械热分析测量的玻璃化转变温度Tg2,其在-70℃至 -90℃,其中Tg1和Tg2之间的差为至少15℃,Tg1高于Tg2。

    COMPOSITION
    44.
    发明申请
    COMPOSITION 有权
    组成

    公开(公告)号:US20130143996A1

    公开(公告)日:2013-06-06

    申请号:US13699022

    申请日:2011-05-19

    IPC分类号: C08L33/10

    摘要: A composition comprising: (I) 60 to 92.5 wt % of a first component which is a polypropylene polymer comprising a) 40 to 85 wt % of a propylene polymer A having a melt flow rate (MFR2) between 0.01 and 300 g/10 min, and b) 15 wt % or more of at least one propylene ethylene copolymer; and (II) 2.5 to 30 wt % of a second component comprising at least one ethylene alkyl (meth)acrylate polymer; and optionally (III) 5 to 25 wt % of at least one filler.

    摘要翻译: 一种组合物,其包含:(I)60至92.5重量%的第一组分,其为聚丙烯聚合物,其包含a)40至85重量%的熔体流动速率(MFR 2)为0.01至300g / 10分钟的丙烯聚合物A ,和b)15重量%以上的至少一种丙烯乙烯共聚物; 和(II)2.5至30重量%的包含至少一种(甲基)丙烯酸乙烯酯烷基酯聚合物的第二组分; 和任选地(III)5至25重量%的至少一种填料。

    Tough composition for food applications
    46.
    发明申请
    Tough composition for food applications 有权
    用于食品应用的坚韧组合

    公开(公告)号:US20110201758A1

    公开(公告)日:2011-08-18

    申请号:US12998505

    申请日:2009-10-28

    IPC分类号: C08L23/16

    摘要: Heterophasic polypropylene composition comprising:—a polypropylene matrix (M) and—an elastomeric copolymer (E) being dispersed in the matrix (M), wherein the elastomeric copolymer (E) comprises units derived from—propylene and—ethylene and/or C4 to C20 α-olefin, and wherein further,—the intrinsic viscosity of the xylene cold soluble fraction (XCS) of the heterophasic polypropylene composition is above 2.1 dl/g measured according to ISO 1628-1 (at 135° C. in decaline) and/or—Mz/Mw of the xylene cold soluble fraction (XCS) of the heterophasic polypropylene composition is more than 2.6, preferably 2.7, wherein the Mz is the z-average molecular weight measured according to ISO 16014-4:2003 and Mw is the weight average molecular weight measured according to ISO 16014-4:2003.

    摘要翻译: 多相聚丙烯组合物,其包含: - 聚丙烯基体(M)和分散在基体(M)中的弹性体共聚物(E),其中弹性体共聚物(E)包含衍生自 - 丙烯和 - 和/或C4- C20α-烯烃,并且其中,多相聚丙烯组合物的二甲苯冷可溶组分(XCS)的特性粘度根据ISO 1628-1测定(在135℃,在十氢化萘中)为2.1dl / g以下,和 多相聚丙烯组合物的二甲苯冷可溶组分(XCS)的/或-Mz / Mw大于2.6,优选2.7,其中Mz是根据ISO 16014-4:2003测量的z-平均分子量,Mw是 根据ISO 16014-4:2003测量的重均分子量。

    HIGH PURITY HETEROPHASIC PROPYLENE COPOLYMERS
    48.
    发明申请
    HIGH PURITY HETEROPHASIC PROPYLENE COPOLYMERS 有权
    高纯度异硬脂丙烯共聚物

    公开(公告)号:US20110034634A1

    公开(公告)日:2011-02-10

    申请号:US12736586

    申请日:2008-12-18

    摘要: High purity heterophasic polypropylene copolymers comprising (A) 73 to 98 wt % of a propylene homo- or copolymer matrix with an MFR2 in accordance with ISO 1133 (230° C., 2.16 kg load) of ≧45 g/10 min and (B) 2 to 27 wt % of an elastomeric copolymer, comprising propylene in an amount of at least 50 wt % of component (B) and at least ethylene and/or one other C4 to C10 alpha olefin in an amount of up to 50 wt % of component (B), the heterophasic polypropylene copolymers being obtainable by a multistage polymerization process in the presence of a catalyst system comprising (i) a Ziegler-Natta procatalyst which contains a trans-esterification product of a lower alcohol and a phthalic ester and (ii) optionally an organometallic cocatalyst and (iii) an external donor represented by formula (I) Si(OCH2CH3)3(NR1R2) wherein R1 and R2 can be the same or different a represent a hydrocarbon group having 1 to 12 carbon atoms, their production and use.

    摘要翻译: 高纯度多相聚丙烯共聚物,其包含(A)73至98重量%的丙烯均聚物或共聚物基体,MFR 2为≥114(230℃,2.16kg负荷)≥45g/ 10min的丙烯均聚物或共聚物基体,(B )2至27重量%的弹性体共聚物,其包含至少50重量%的组分(B)的丙烯和至少为至多50重量%的乙烯和/或其它C 4至C 10α-烯烃的丙烯, 的组分(B),多相聚丙烯共聚物可通过多级聚合方法在催化剂体系存在下获得,所述催化剂体系包含(i)齐格勒 - 纳塔前催化剂,其含有低级醇和邻苯二甲酸酯的反式酯化产物和( ii)任选的有机金属助催化剂和(iii)由式(I)表示的外部供体Si(OCH 2 CH 3)3(NR 1 R 2),其中R 1和R 2可以相同或不同,a表示具有1至12个碳原子的烃基, 生产和使用。

    IMPACT-MODIFIED POLYPROPYLENE
    49.
    发明申请
    IMPACT-MODIFIED POLYPROPYLENE 有权
    IMPACT改性聚丙烯

    公开(公告)号:US20100256304A1

    公开(公告)日:2010-10-07

    申请号:US12734368

    申请日:2008-10-27

    IPC分类号: C08L23/12 C08L9/00

    摘要: The present invention relates to a polymer composition, comprising: (i) a polypropylene matrix; (ii) a first elastomeric phase dispersed within the matrix and having a glass transition temperature Tg1, measured with dynamical mechanical thermal analysis according to ISO 6721-2, wherein the first elastomeric phase comprises an ethylene copolymer having comonomer units derived from C3 to C8 olefins; (iii) a second elastomeric phase dispersed within the matrix, wherein the second elastomeric phase is crosslinked and has a glass transition temperature Tg2, measured with dynamical mechanical thermal analysis according to ISO 6721-2, within the range of −70° C. to −90° C., wherein the difference between Tg1 and Tg2 is at least 15° C. and Tg1 is higher than Tg2.

    摘要翻译: 本发明涉及聚合物组合物,其包含:(i)聚丙烯基质; (ii)分散在基体内并且具有根据ISO 6721-2的动态机械热分析测量的玻璃化转变温度Tg1的第一弹性体相,其中第一弹性体相包含具有衍生自C3至C8烯烃的共聚单体单元的乙烯共聚物 ; (iii)分散在基体内的第二弹性体相,其中第二弹性体相交联并且具有根据ISO 6721-2的动态机械热分析测量的玻璃化转变温度Tg2,其在-70℃至 -90℃,其中Tg1和Tg2之间的差为至少15℃,Tg1高于Tg2。