Blownfilm grade showing superior stiffness, transparency and processing behaviour
    24.
    发明授权
    Blownfilm grade showing superior stiffness, transparency and processing behaviour 有权
    吹塑薄膜级别显示出优异的刚度,透明度和加工性能

    公开(公告)号:US08889753B2

    公开(公告)日:2014-11-18

    申请号:US13515912

    申请日:2010-12-15

    摘要: Extrusion blown film comprising a polypropylene composition, said polypropylene composition comprises a random propylene copolymer, a high melt strength polypropylene, a polypropylene and optionally a clarifier, wherein • the random propylene copolymer comprises units derived from propylene and at least another C2 to C20 α-olefin, • the high melt strength polypropylene has a branching index g′ of less than 1.0, the polypropylene (B) has a MFR2 (230° C.) of at least 400 g/10 min, • the clarifier comprises at least one α-nucleating agent, and wherein further • the branching index g′ of the random propylene copolymer and the branching index g′ of the polypropylene are higher than the branching index g′ of the high melt strength polypropylene, • the random propylene copolymer has lower melt flow rate MFR2 (230° C.) than the polypropylene, • the extrusion melt blown film and/or the polypropylene composition (i) fulfill(s) the equation (I) Tm−Tc

    摘要翻译: 包含聚丙烯组合物的挤出吹塑薄膜,所述聚丙烯组合物包含无规丙烯共聚物,高熔体强度聚丙烯,聚丙烯和任选的澄清剂,其中无规丙烯共聚物包含衍生自丙烯和至少另一个C 2至C 20α-烯烃的单元, 烯烃,•高熔体强度聚丙烯具有小于1.0的支化指数g',聚丙烯(B)具有至少400g / 10min的MFR 2(230℃),•澄清器包含至少一个α 并且其中另外•无规丙烯共聚物的支化指数g'和聚丙烯的支化指数g'高于高熔体强度聚丙烯的支化指数g',•无规丙烯共聚物具有较低的熔体 流动速率MFR2(230℃),挤出熔融吹塑薄膜和/或聚丙烯组合物(i)满足式(I)Tm-Tc <30(I)其中Tm为 熔融温度[℃]构成挤出熔融吹塑薄膜或聚丙烯组合物的总熔融焓Hm的50%以上; Tc是挤出熔融吹塑薄膜或聚丙烯组合物的结晶温度[℃] 和/或(ii)具有1.0至5.5g / 10min的熔体流动速率MFR 2(230℃)。

    Blown grade showing superior stiffness, transparency and processing behaviour
    25.
    发明授权
    Blown grade showing superior stiffness, transparency and processing behaviour 有权
    吹塑级别显示出优异的刚度,透明度和加工性能

    公开(公告)号:US08871824B2

    公开(公告)日:2014-10-28

    申请号:US13515988

    申请日:2010-12-15

    摘要: Extrusion blown film comprising a polypropylene composition, said polypropylene composition comprises a random propylene copolymer, a high melt strength polypropylene, and optionally a clarifier, wherein • the random propylene copolymer comprises units derived from propylene and at least another C2 to C20 α-olefin. • the high melt strength polypropylene has a branching index g′ of less than 1.0. • the clarifier comprises at least one α-nucleating agent, and wherein further • the branching index g′ of the random propylene copolymer is higher than the branching index g′ of the high melt strength polypropylene, • the extrusion melt blown film and/or the polypropylene composition, (i) fulfill(s) the equation (I) Tm−Tc≦30 wherein Tm is the melting temperature [° C.] making up more than 50% of the total melting enthalpy Hm of the extrusion melt blown film or of the polypropylene composition measured by DSC according to ISO 11357-3; Tc is the crystallization temperature [° C.] of the extrusion melt blown film or of the polypropylene composition measured by DSC according to ISO 11357-3; and/or (ii) has (have) a melt flow rate MFR2 (230° C.) measured according to ISO 1133 of 1.0 to 5.5 g/10 min.

    摘要翻译: 包括聚丙烯组合物的挤出吹塑薄膜,所述聚丙烯组合物包含无规丙烯共聚物,高熔体强度聚丙烯和任选的澄清剂,其中无规丙烯共聚物包含衍生自丙烯和至少另一种C 2 -C 20α-烯烃的单元。 •高熔体强度聚丙烯的支化指数g'小于1.0。 •所述澄清器包含至少一种α-成核剂,并且其中所述无规丙烯共聚物的支化指数g'高于所述高熔体强度聚丙烯的支化指数g',•所述挤出熔融吹塑薄膜和/或 聚丙烯组合物,(i)满足方程式(I)Tm-Tc&nlE; 30其中Tm是熔融温度[℃]的组成,超过挤出熔融吹塑薄膜的总熔融焓Hm的50% 或根据ISO 11357-3通过DSC测量的聚丙烯组合物; Tc是根据ISO 11357-3通过DSC测量的挤出熔融吹塑薄膜或聚丙烯组合物的结晶温度[℃]; 和/或(ii)具有根据ISO 1133测量的熔体流动速率MFR 2(230℃)为1.0至5.5g / 10min。

    BLOWN GRADE SHOWING SUPERIOR STIFFNESS, TRANSPARENCY AND PROCESSING BEHAVIOUR
    26.
    发明申请
    BLOWN GRADE SHOWING SUPERIOR STIFFNESS, TRANSPARENCY AND PROCESSING BEHAVIOUR 有权
    BLOWN GRADE SHOWING SUPERIOR STIFFNESS,TRANSPARENCY AND PROCINGING BEHAVIOR

    公开(公告)号:US20120270959A1

    公开(公告)日:2012-10-25

    申请号:US13515988

    申请日:2010-12-15

    IPC分类号: C08L23/12 C08J9/00 C08K5/098

    摘要: Extrusion blown film comprising a polypropylene composition, said polypropylene composition comprises a random propylene copolymer, a high melt strength polypropylene, and optionally a clarifier, wherein • the random propylene copolymer comprises units derived from propylene and at least another C2 to C20 α-olefin. • the high melt strength polypropylene has a branching index g′ of less than 1.0. • the clarifier comprises at least one α-nucleating agent, and wherein further • the branching index g′ of the random propylene copolymer is higher than the branching index g′ of the high melt strength polypropylene, • the extrusion melt blown film and/or the polypropylene composition, (i) fulfill(s) the equation (I) Tm−Tc≦30 wherein Tm is the melting temperature [° C.] making up more than 50% of the total melting enthalpy Hm of the extrusion melt blown film or of the polypropylene composition measured by DSC according to ISO 11357-3; Tc is the crystallization temperature [° C.] of the extrusion melt blown film or of the polypropylene composition measured by DSC according to ISO 11357-3; and/or (ii) has (have) a melt flow rate MFR2 (230° C.) measured according to ISO 1133 of 1.0 to 5.5 g/10 min.

    摘要翻译: 包括聚丙烯组合物的挤出吹塑薄膜,所述聚丙烯组合物包含无规丙烯共聚物,高熔体强度聚丙烯和任选的澄清剂,其中无规丙烯共聚物包含衍生自丙烯和至少另一种C 2 -C 20α-烯烃的单元。 •高熔体强度聚丙烯的支化指数g'小于1.0。 •所述澄清器包含至少一种α-成核剂,并且其中所述无规丙烯共聚物的支化指数g'高于所述高熔体强度聚丙烯的支化指数g',•所述挤出熔融吹塑薄膜和/或 聚丙烯组合物,(i)满足方程式(I)Tm-Tc&nlE; 30其中Tm是熔融温度[℃]的组成,超过挤出熔融吹塑薄膜的总熔融焓Hm的50% 或根据ISO 11357-3通过DSC测量的聚丙烯组合物; Tc是根据ISO 11357-3通过DSC测量的挤出熔融吹塑薄膜或聚丙烯组合物的结晶温度[℃]; 和/或(ii)具有根据ISO 1133测量的熔体流动速率MFR 2(230℃)为1.0至5.5g / 10min。

    Polypropylenes having a reduced tendency to white fracture
    27.
    发明授权
    Polypropylenes having a reduced tendency to white fracture 失效
    具有降低白色断裂倾向的聚丙烯

    公开(公告)号:US5686533A

    公开(公告)日:1997-11-11

    申请号:US733017

    申请日:1996-10-16

    CPC分类号: C08L23/10 C08L2205/02

    摘要: Polypropylenes having a reduced tendency to white fracture, which contain A) from 70 to 95% by weight of a highly isotactic polypropylene having anisotactic index of more than 90 and a melt flow index between 0.1 and 100 g/10 min, it being possible for the polypropylene to be a homopolymer of propylene or a copolymer of propylene with one or more .alpha.-olefins, having a propylene content of at least 50 mol %, and B) from 5 to 30% by weight of a highly amorphous polypropylene having a crystalline polypropylene fraction of up to 10% by weight with an enthalpy of fusion of not more than 40 J/g and a melt flow index between 0.1 and 100 g/10 min, it being possible for the polypropylene to be a homopolymer of propylene or a copolymer of propylene with one or more .alpha.-olefins, having a propylene content of at least 80 mol %.

    摘要翻译: 具有降低的白色断裂倾向的聚丙烯,其含有A)70至95重量%的具有大于90的各向异性指数和0.1至100g / 10分钟的熔体流动指数的高度全同立构聚丙烯, 丙烯的均聚物或丙烯与一种或多种丙烯含量至少为50摩尔%的α-烯烃的共聚物的聚丙烯,和B)5-30重量%的具有结晶的高度无定形的聚丙烯 聚丙烯分数高达10重量%,熔融焓不超过40J / g,熔体流动指数为0.1-100g / 10min,聚丙烯可以是丙烯均聚物或 丙烯与一种或多种α-烯烃的共聚物,丙烯含量为至少80摩尔%。

    Flexible Polypropylene With High Impact Strength
    28.
    发明申请
    Flexible Polypropylene With High Impact Strength 有权
    具有高冲击强度的柔性聚丙烯

    公开(公告)号:US20110196095A1

    公开(公告)日:2011-08-11

    申请号:US12937282

    申请日:2009-01-13

    IPC分类号: C08L53/00 C08L43/04

    摘要: 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/m2 in a Charpy notched test according to ISO 179-1eA: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.

    摘要翻译: 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。 本发明还涉及一种第二聚丙烯组合物,其包含在根据ISO的Charpy缺口试验中包含至少40.0kJ / m 2的冲击强度在+ 23℃下的丙烯均聚物或共聚物的基体相(A) 179-1eA: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。