Polypropylene resin composition for exterior parts of automobile
    22.
    发明授权
    Polypropylene resin composition for exterior parts of automobile 失效
    汽车外部用聚丙烯树脂组合物

    公开(公告)号:US5744535A

    公开(公告)日:1998-04-28

    申请号:US727105

    申请日:1996-10-08

    IPC分类号: C08L53/00 C08K3/34

    CPC分类号: C08L53/00

    摘要: A polypropylene resin composition having a high moldability and capable of forming therefrom shaped articles having excellent surface hardness, thermal deformation resistance and low temperature impact resistance includes (A) 35-74 wt % of a crystalline ethylene-propylene block copolymer with an ethylene content of 0.5-15 wt %, an isotactic pentad fractional propylene of 96% or more and a MFR of 40-80 g/10 min. (230.degree. C., 2160 g); (B) 21-40 wt % of an ethylene-.alpha.-olefin copolymer produced by using a single site catalyst and having an .alpha.-olefin content of 70 mol % or more, a ratio (Mw/Mn) of 2.5 or less, and a ratio (MI.sub.10 /MI.sub.2.16) of 6 to 15; and (C) 5-25 wt % of a talc particle component having an average particle size of 3-7 .mu.m.

    摘要翻译: 具有高成型性并且能够形成具有优异的表面硬度,耐热变形性和耐低温冲击性的成形制品的聚丙烯树脂组合物包括(A)35-74重量%的乙烯含量的结晶乙烯 - 丙烯嵌段共聚物 0.5-15重量%,全同立构五单元组分数丙烯为96%以上,MFR为40〜80g / 10分钟。 (230℃,2160g); (B)21-40重量%的使用单中心催化剂制备的α-烯烃含量为70摩尔%以上,(Mw / Mn)为2.5以下的乙烯-α-烯烃共聚物,和 比例(MI10 / MI2.16)为6至15; 和(C)5-25重量%的平均粒径为3-7μm的滑石颗粒组分。

    Reinforced polypropylene resin composition
    23.
    发明授权
    Reinforced polypropylene resin composition 失效
    增强聚丙烯树脂组合物

    公开(公告)号:US5543454A

    公开(公告)日:1996-08-06

    申请号:US285627

    申请日:1994-08-04

    摘要: A reinforced polypropylene resin composition contains the following components (A), (B) and (C) in amounts of 67 to 82% by weight of, 6 to 12% by weight and 12 to 21% by weight, respectively:Component (A): crystalline ethylene-propylene block copolymer having an ethylene content of 2 to 4% by weight, a molecular distribution of polypropylene component (Q=M.sub.w /M.sub.n) of at least 7, isotacticity of polypropylene component of at least 98%, an intrinsic viscosity (decalin, 135.degree. C.) of room temperature p-xylene soluble content of at least 6 dl/g, a melt flow rate (MFR) of 3 to 15 g/10 minutes, and the product of flexural modulus at room temperature and Izod impact strength at room temperature of at least 120000.Component (B): at least one elastomer selected from the group of consisting of (a) hydrogenated block copolymer rubbers each comprising block (I) composed of an aromatic vinyl compound copolymer and block (II) composed of a conjugated diene copolymer, and having a bonding structure of I-II or I-(II-I).sub.n (wherein n=1 or 2), wherein block (I) is contained in an amount of 10 to 40% by weight of the copolymer and is hydrogenated in an amount of 10 mol % or less, and block (II) is contained in an amount of 60 to 90% by weight of the copolymer and is hydrogenated in an amount of at least 90 mol %; and (b) ethylene-.alpha.-olefin copolymer rubbers each containing 30 to 95% by weight of ethylene.Component (C): talc having an average particle size of 3 to 5 .mu.m, which is measured by a laser diffraction method, a BET specific surface area of 5 to 13 m.sup.2 /g, and a top cut size of less than 20 .mu.m.

    摘要翻译: 增强聚丙烯树脂组合物分别含有67〜82重量%,6〜12重量%和12〜21重量%的成分(A),(B)和(C)成分(A ):乙烯含量为2〜4重量%,聚丙烯组分(Q = Mw / Mn)分子量至少为7,聚丙烯组分的全同立构度至少为98%的结晶乙烯 - 丙烯嵌段共聚物,内在的 室温对二甲苯可溶物含量至少为6dl / g,熔体流动速率(MFR)为3〜15g / 10分钟的粘度(萘烷,135℃),室温下的弯曲弹性模量 组分(B):选自(a)氢化嵌段共聚物橡胶中的至少一种弹性体,各自包含由芳族乙烯基化合物共聚物和嵌段(I)组成的嵌段(I) (II),具有结合结构o f I-II或I-(II-I)n(其中n = 1或2),其中嵌段(I)的含量为共聚物重量的10〜40%,氢化量为10 mol%以下,嵌段(II)的含量为共聚物的60〜90重量%,氢化至少为90摩尔%以上。 和(b)乙烯-α-烯烃共聚物橡胶,各自含有30至95重量%的乙烯。 成分(C):通过激光衍射法测定的平均粒径为3〜5μm的滑石,BET比表面积为5〜13m 2 / g,顶切尺寸小于20μm m。

    Foaming polypropylene resin composition and process for producing injection-molded foams from the composition
    24.
    发明授权
    Foaming polypropylene resin composition and process for producing injection-molded foams from the composition 失效
    发泡聚丙烯树脂组合物和从组合物生产注模泡沫的方法

    公开(公告)号:US08318863B2

    公开(公告)日:2012-11-27

    申请号:US12733850

    申请日:2008-09-19

    摘要: Foaming polypropylene resin compositions are excellent in balance between melt tension and flowability, can give injection-molded foams having superior mechanical strength such as impact resistance, and are suited for the production of automobile parts or the like. Processes of the invention produce injection-molded foams from the compositions.A foaming polypropylene resin composition according to the present invention includes a polypropylene resin (A) and an ethylene/α-olefin having 3-10 carbon atoms copolymer (B) in a specific ratio; the ethylene/α-olefin having 3-10-carbon atoms copolymer (B) includes a higher molecular weight component (B-H) having MFR190 of 1 to 10 g/10 min and a lower molecular weight component (B-L) having MFR190 of 20 to 50 g/10 min; and the weight ratio between (B-H) and (B-L), (B-H):(B-L), is in the range of 6:4 to 2:8.

    摘要翻译: 发泡聚丙烯树脂组合物在熔体张力和流动性之间的平衡优异,可以提供具有优异的机械强度如耐冲击性的注塑模制泡沫,并且适合于生产汽车部件等。 本发明的方法由组合物生产注射成型的泡沫。 根据本发明的发泡聚丙烯树脂组合物包括具有特定比例的聚丙烯树脂(A)和具有3-10个碳原子的共聚物(B)的乙烯/α-烯烃; 具有3-10个碳原子的乙烯/α-烯烃共聚物(B)包括具有1-10g / 10min的MFR190的较高分子量组分(BH)和MFR190的较低分子量组分(BL)为20至 50克/ 10分钟; (B-H)和(B-L),(B-H):( B-L)之间的重量比在6:4至2:8的范围内。

    Propylene resin composition
    25.
    发明授权
    Propylene resin composition 有权
    丙烯树脂组合物

    公开(公告)号:US07446147B2

    公开(公告)日:2008-11-04

    申请号:US10558157

    申请日:2003-11-11

    IPC分类号: C08L53/00

    摘要: A propylene resin composition comprising (A) a crystalline propylene block copolymer in an amount of 89 to 30% by weight, which has a specific content of a 23° C. n-decane-soluble component, said soluble component having a specific intrinsic viscosity [η]a as measured in decalin at 135° C., has a specific melt flow rate (MFR, 230° C., load of 2160 g), and has a specific isotactic pentad fraction of a polypropylene homopolymer portion as measured by 13C-NMR, (B) a crystalline propylene block copolymer in an amount of 5 to 25% by weight, which has a specific content of a 23° C. n-decane-soluble component, said soluble component having a specific intrinsic viscosity [η]b as measured in decalin at 135° C., has a specific melt flow rate (MFR, 230° C., load of 2160 g), and has a specific isotactic pentad fraction of a polypropylene homopolymer portion as measured by 13C-NMR, (C) an elastomeric polymer in an amount of 1 to 20% by weight, which has a melt flow rate (MFR, 230C, load of 2160 g) of 0.5 to 30 g/10 min, and (D) an inorganic filler in an amount of 5 to 25% by weight.

    摘要翻译: 一种丙烯树脂组合物,其包含(A)结晶丙烯嵌段共聚物,其含量为89〜30重量%,其特定含量为23℃正癸烷可溶成分,所述可溶成分的特性粘度 在135℃萘烷中测定的ηa具有特定的熔体流动速率(MFR,230℃,负荷2160g),并且具有聚丙烯均聚物部分的特定全同立构五单元组分数, 13 C-NMR,(B)结晶丙烯嵌段共聚物,其含量为5〜25重量%,其特定含量为23℃正癸烷可溶成分,所述可溶性 具有在135℃萘烷中测定的特定粘度ηb的组分具有特定的熔体流动速率(MFR,230℃,负荷2160g),并且具有聚丙烯的特定全同立构五单元组分 均聚物部分,通过13 C-NMR测量,(C)1至20重量%的弹性体聚合物,其具有熔体流动r (MFR,230℃,2160g负荷)为0.5〜30g / 10分钟,(D)5〜25重量%的无机填料。

    Propylene resin composition
    26.
    发明申请
    Propylene resin composition 有权
    丙烯树脂组合物

    公开(公告)号:US20070010622A1

    公开(公告)日:2007-01-11

    申请号:US10558157

    申请日:2003-11-11

    IPC分类号: C08L53/00

    摘要: A propylene resin composition comprising (A) a crystalline propylene block copolymer in an amount of 89 to 30% by weight, which has a specific content of a 23° C. n-decane-soluble component, said soluble component having a specific intrinsic viscosity [η]a as measured in decalin at 135° C., has a specific melt flow rate (MFR, 230° C., load of 2160 g), and has a specific isotactic pentad fraction of a polypropylene homopolymer portion as measured by 13C-NMR, (B) a crystalline propylene block copolymer in an amount of 5 to 25% by weight, which has a specific content of a 23° C. n-decane-soluble component, said soluble component having a specific intrinsic viscosity [η]b as measured in decalin at 135° C., has a specific melt flow rate (MFR, 230° C., load of 2160 g), and has a specific isotactic pentad fraction of a polypropylene homopolymer portion as measured by 13C-NMR, (C) an elastomeric polymer in an amount of 1 to 20% by weight, which has a melt flow rate (MFR, 230C, load of 2160 g) of 0.5 to 30 g/10 min, and (D) an inorganic filler in an amount of 5 to 25% by weight.

    摘要翻译: 一种丙烯树脂组合物,其包含(A)结晶丙烯嵌段共聚物,其含量为89〜30重量%,其特定含量为23℃正癸烷可溶成分,所述可溶成分的特性粘度 在135℃萘烷中测定的ηa具有特定的熔体流动速率(MFR,230℃,负荷2160g),并且具有聚丙烯均聚物部分的特定全同立构五单元组分数, 13 C-NMR,(B)结晶丙烯嵌段共聚物,其含量为5〜25重量%,其特定含量为23℃正癸烷可溶成分,所述可溶性 具有在135℃萘烷中测定的特定粘度ηb的组分具有特定的熔体流动速率(MFR,230℃,负荷2160g),并且具有聚丙烯的特定全同立构五单元组分 均聚物部分,通过13 C-NMR测量,(C)1至20重量%的弹性体聚合物,其具有熔体流动r (MFR,230℃,2160g负荷)为0.5〜30g / 10分钟,(D)5〜25重量%的无机填料。