HETEROPHASIC POLYPROPYLENE RESIN WITH LONG CHAIN BRANCHING
    8.
    发明申请
    HETEROPHASIC POLYPROPYLENE RESIN WITH LONG CHAIN BRANCHING 审中-公开
    长链支链聚异戊二烯树脂

    公开(公告)号:WO2011050963A1

    公开(公告)日:2011-05-05

    申请号:PCT/EP2010/006596

    申请日:2010-10-28

    Abstract: Heterophasic polypropylene resin having a MFR (2.16 kg, 230 °C) of at least 1.0 g/1 Omin, determined according to ISO 1133, comprising a propylene random copolymer matrix phase (A), and an ethylene-propylene copolymer rubber phase (B) dispersed within the matrix phase, wherein the heterophasic polypropylene resin has a fraction soluble in p- xylene at 25°C (XCS fraction) being present in the resin in an amount of 15 to 45 wt% whereby the XCS fraction has an ethylene content of 25 wt% or lower, and a fraction insoluble in p-xylene at 25 0C (XCU fraction), said heterophasic polypropylene resin being characterised by a strain hardening factor (SHF) of 1.7 to 4.0 when measured at a strain rate of 3.0 s -1 and a Hencky strain of 3.0.

    Abstract translation: 根据ISO 1133测定的具有至少1.0g / lOmin的MFR(2.16kg,230℃)的多相聚丙烯树脂包含丙烯无规共聚物基质相(A)和乙烯 - 丙烯共聚物橡胶相(B )分散在基质相中,其中多相聚丙烯树脂具有15至45重量%的存在于树脂中的25℃下可溶于对二甲苯的馏分(XCS馏分),由此XCS馏分具有乙烯含量 为25重量%以下,25℃下不溶于对二甲苯的馏分(XCU馏分),所述多相聚丙烯树脂的特征在于在3.0秒的应变速度下测定时的应变硬化系数(SHF)为1.7〜4.0 -1和Hencky菌株3.0。

    FLEXIBLE POLYPROPYLENE WITH HIGH IMPACT STRENGTH
    9.
    发明申请
    FLEXIBLE POLYPROPYLENE WITH HIGH IMPACT STRENGTH 审中-公开
    具有高冲击强度的柔性聚丙烯

    公开(公告)号:WO2009124613A1

    公开(公告)日:2009-10-15

    申请号:PCT/EP2009/000149

    申请日:2009-01-13

    Abstract: The present invention is directed to a first polypropylene composition comprising a propylene copolymer as matrix phase (A) comprising a homo/random/block copolymer consisting of a) a propylene homopolymer (A1); b) a propylene random copolymer (A2); and c) an ethylene-propylene rubber (EPR) (A3) and a polyolefin (B) dispersed in the matrix phase (A), which comprises hydrolysable silicon-containing groups. The present invention is furthermore directed to a second polypropylene composition comprising a matrix phase (A) comprising a propylene homo- or copolymer with an impact strength at + 23 °C of at least 40.0 kJ/m 2 in a Charpy notched test according to ISO 179-1 eA:2000 and a polyolefin (B) dispersed in the matrix phase (A), which comprises hydrolysable silicon-containing groups. The invention is furthermore directed to a production process for the polypropylene compositions and an article made thereof.

    Abstract translation: 本发明涉及包含丙烯共聚物作为基质相(A)的第一聚丙烯组合物,其包含由a)丙烯均聚物(A1)组成的均相/无规/嵌段共聚物; b)丙烯无规共聚物(A2); 和c)分散在基质相(A)中的乙丙橡胶(EPR)(A3)和聚烯烃(B),其包含可水解的含硅基团。 本发明还涉及第二聚丙烯组合物,该组合物包含基本相(A),其包含丙烯均聚物或共聚物,其冲击强度在+ 23℃下为至少40.0kJ / m 2,根据ISO 179的Charpy缺口试验 -1eA:2000和分散在基质相(A)中的聚烯烃(B),其包含可水解的含硅基团。 本发明还涉及聚丙烯组合物的制备方法及其制成的制品。

    POLYPROPYLENE FOR FOAM AND POLYPROPYLENE FOAM
    10.
    发明申请
    POLYPROPYLENE FOR FOAM AND POLYPROPYLENE FOAM 审中-公开
    聚丙烯泡沫和聚丙烯泡沫

    公开(公告)号:WO2012150019A1

    公开(公告)日:2012-11-08

    申请号:PCT/EP2012/001806

    申请日:2012-04-26

    Abstract: The present invention is concerned with a polypropylene composition comprising a polypropylene base resin, the polypropylene composition having - a XHU content of less than 1.25 wt.-%; - a F30 melt strength of at least 30 cN, determined in the Rheotens test at 200°C; and - a melt extensibility v30 of at least 200 m/s, determined in the Rheotens test at 200°C. In another aspect the present invention is concerned with a polypropylene composition having an MFR (2.16 kg, 230 °C, ISO 1133) of 1.0 to 5.0 g/10 min comprising a polypropylene base resin, the polypropylene base resin being obtainable by producing an intermediate polypropylene having an MFR (2.16 kg, 230 °C, ISO 1133) of 0.5 to 2.5 g/10 min in the presence of an asymmetric catalyst; mixing the intermediate polypropylene with peroxide and at least one diene at a temperature of 20 to 90 °C for at least 2 minutes to form a pre-mixed material; melt mixing the pre-mixed material in a melt mixing device at a barrel temperature in the range of 180 to 300 °C, whereby the melt mixing device is a melt mixing device includes a feed zone, a kneading zone and a die zone, whereby an initial barrel temperature T1 is maintained in the feed zone, a barrel temperature T2 is maintained in the kneading zone and a die barrel temperature T3 is maintained in the die zone, whereby the barrel temperatures T1, T2, and T3 satisfy the following relation: T1

    Abstract translation: 本发明涉及包含聚丙烯基础树脂的聚丙烯组合物,所述聚丙烯组合物具有小于1.25重量%的XHU含量; - 在200℃的Rheotens试验中测定的至少30cN的F30熔体强度; 和 - 在200℃下在Rheotens试验中确定的至少200m / s的熔体延展性v30。 另一方面,本发明涉及包含聚丙烯基础树脂的MFR(2.16kg,230℃,ISO 1133)为1.0-5.0g / 10min的聚丙烯组合物,所述聚丙烯基础树脂可通过制备中间体 在不对称催化剂存在下,MFR(2.16kg,230℃,ISO 1133)为0.5〜2.5g / 10min的聚丙烯; 将中间体聚丙烯与过氧化物和至少一种二烯在20至90℃的温度下混合至少2分钟以形成预混合材料; 在熔融混合装置中在180至300℃的机筒温度下将预混合材料熔融混合,由此熔融混合装置是包括进料区,捏合区和模区的熔融混合装置,由此 在进料区中保持初始桶温T1,在捏合区中维持桶温T2,并在模区内维持模筒温度T3,从而桶温T1,T2和T3满足以下关系: T1

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