Polypropylene composition
    1.
    发明授权
    Polypropylene composition 失效
    聚丙烯组成

    公开(公告)号:US5591795A

    公开(公告)日:1997-01-07

    申请号:US392814

    申请日:1995-02-27

    摘要: The polypropylene composition of the present invention comprises polypropylene and a rubber component, and has the following characteristics that(i) the melt flow rate (MFR: 230.degree. C., 2.16 kg load), as measured in accordance with ASTM D1238, is not less than 8 g/10 min,(ii) the flexural modulus (FM), as measured in accordance with ASTM D790, is not less than 20,000 kg/cm.sup.2,(iii) the Izod impact strength (IZ), as measured in accordance with ASTM D256, is not less than 20 kg.cm/cm,(iv) the heat deflection temperature (HDT), as measured in accordance with ASTM D648, is not lower than 135.degree. C.,(v) the dimensions of a polypropylene microcrystal in an injection molded article formed from the polypropylene composition, as measured by wide-angle X-ray diffractometry and small-angle X-ray scattering, are 5 nm-20 nm, 5 nm-20 nm and not less than 5 nm, respectively, in the directions of c-axis, a-axis and b-axis, and(vi) the rubber component is present in an injection molded article formed from the polypropylene composition as a continuous phase around the polypropylene microcrystal in the direction of injection and the direction perpendicular thereto, and the average thickness of this rubber continuous phase is in the range of from 0.5 nm-3 nm.Such a polypropylene composition as described above is excellent in rigidity and heat resistance, and also in impact resistance and toughness.

    摘要翻译: PCT No.PCT / JP94 / 01064 Sec。 371日期:1995年2月27日 102(e)1995年2月27日PCT 1994年6月30日PCT公布。 第WO95 / 01398号公报 日期1995年1月12日本发明的聚丙烯组合物包含聚丙烯和橡胶组分,并且具有以下特性:(i)熔体流动速率(MFR:230℃,2.16kg负荷),根据 ASTM D1238不低于8g / 10min,(ii)根据ASTM D790测量的挠曲模量(FM)不小于20,000kg / cm2,(iii)艾佐德冲击强度(IZ) 按照ASTM D256测量,不小于20kg.cm / cm,(iv)根据ASTM D648测量的热变形温度(HDT)不低于135℃,(v )通过广角X射线衍射法和小角度X射线散射测量由聚丙烯组合物形成的注模制品中的聚丙烯微晶的尺寸为5nm-20nm,5nm-20nm和 分别在c轴,a轴和b轴的方向上不小于5nm,和(vi)橡胶组分以注射m 由聚丙烯组合物形成的老化制品作为注射方向和垂直于其的方向在聚丙烯微晶体周围的连续相,该橡胶连续相的平均厚度在0.5nm-3nm的范围内。 这样的上述聚丙烯组合物的刚性和耐热性以及抗冲击性和韧性均优异。

    Polypropylene resin composition for use in automotive inner and outer trims
    2.
    发明授权
    Polypropylene resin composition for use in automotive inner and outer trims 失效
    用于汽车内外饰件的聚丙烯树脂组合物

    公开(公告)号:US06214934B1

    公开(公告)日:2001-04-10

    申请号:US09084392

    申请日:1998-05-27

    IPC分类号: C08J300

    摘要: A polypropylene resin composition for use in automotive inner and outer trims, comprising 50 to 85% by weight of a crystalline polypropylene (A) having an MFR (230° C.) of 7 to 70 g/10 min, 2 to 16% by weight of a hydrogenated block copolymer (B) obtained by hydrogenating at a hydrogenation ratio of at least 90% an aromatic vinyl/conjugated diene block copolymer which contains an aromatic vinyl block polymer unit in an amount of 22% by weight or less and has an MFR (230° C.) of at least 5 g/10 min, and 5 to 25% by weight of an inorganic filler (G) having an average particle size of 0.1 to 3 &mgr;m as essential components. This composition may contain, as optional components, another hydrogenated block copolymer (C), an aromatic hydrocarbon copolymer (D), a crystalline polyethylene (E) and a soft ethylene/&agr;-olefin copolymer (F). This composition is excellent in heat resistance, rigidity and impact resistance and can provide a molding having beautiful appearance.

    摘要翻译: 一种用于汽车内外装饰品的聚丙烯树脂组合物,其包含50至85重量%的MFR(230℃)为7至70克/ 10分钟的结晶聚丙烯(A),2至16重量% 氢化嵌段共聚物(B)的重量通过氢化比例至少为90%的含有22重量%以下的芳族乙烯基嵌段聚合物单元的芳香族乙烯基/共轭二烯嵌段共聚物氢化而得到,并且具有 至少5g / 10min的MFR(230℃)和5至25重量%的平均粒度为0.1至3μm的无机填料(G)作为必需组分。 该组合物可以含有另一种氢化嵌段共聚物(C),芳族烃共聚物(D),结晶聚乙烯(E)和软质乙烯/α-烯烃共聚物(F)作为任选组分。 该组合物的耐热性,刚性和耐冲击性优异,能够提供外观美观的成型品。

    Polypropylene resin composition
    3.
    发明授权
    Polypropylene resin composition 失效
    聚丙烯树脂组合物

    公开(公告)号:US5883174A

    公开(公告)日:1999-03-16

    申请号:US680971

    申请日:1996-07-16

    CPC分类号: C08L53/00

    摘要: A polypropylene resin composition having excellent rigidity, impact resistance and formability (moldability) and thus useful for the interior parts of automobile, includes (A) a crystalline E/P block copolymer containing a fraction Ac soluble in p-xylene at room temperature and having an ethylene content of 18 to 22%; (B) a crystalline E/P block copolymer containing a fraction Bc soluble in p-xylene at room temperature and having an ethylene content of 27 to 40% and (C) talc particles having an average size of 3 to 5 .mu.m and largest size less than 20 .mu.m, in which composition, (a) the p-xylene-soluble fractions Ac and Bc are in contents As and Bs based on the total weight of the copolymers (A) and (B) and satisfying As+Bs=7 to 17% by weight and As/(A +Bs)=0.1 to 0.6; (b) an isotactic pentad fraction of propylene in each of copolymers (A) and (B) is 96% or more, and the mixture of the copolymers (A) and (B) has a MFR of 20 to 35 g/10 min at 230.degree. C. under 2160 g load; and (c) the copolymers (A) and (B) are in a total weight content of 50 to 95% and talc (C) is in a weight content of 5 to 50%.

    摘要翻译: 具有优异的刚性,耐冲击性和成型性(成型性),因此可用于汽车内部的聚丙烯树脂组合物包括(A)在室温下含有可溶于对二甲苯的馏分Ac的结晶E / P嵌段共聚物,并具有 乙烯含量为18〜22%; (B)在室温下含有可溶于对二甲苯的馏分Bc,乙烯含量为27〜40%的结晶性E / P嵌段共聚物,(C)平均粒径为3〜5μm的滑石粉末和最大 (a)对二甲苯可溶级分Ac和Bc的含量为A,Bs为基于共聚物(A)和(B)的总重量,满足As + Bs = 7〜17重量%,As /(A + Bs)= 0.1〜0.6; (b)共聚物(A)和(B)中的丙烯的全同立构五单元组分率为96%以上,共聚物(A)和(B)的混合物的MFR为20〜35g / 10分钟 在230℃,2160g负荷下; 和(c)共聚物(A)和(B)的总重量含量为50-95%,滑石(C)的重量含量为5-50%。

    Polypropylene resin composition
    4.
    发明授权
    Polypropylene resin composition 失效
    聚丙烯树脂组合物

    公开(公告)号:US5856400A

    公开(公告)日:1999-01-05

    申请号:US705215

    申请日:1996-08-29

    CPC分类号: C08L23/10 C08L53/00 C08L23/16

    摘要: A polypropylene resin composition comprising an isotactic polypropylene component, a rubber component, and an inorganic filler component, wherein (a) the melt flow rate, according to ASTM D1238, is 20 g/10 min or more, (b) the flexural modulus, according to ASTM D790, is 2300 MPa or more, (c) the Izod impact strength, according to ASTM D256, is 180 J/m or more at 23.degree. C. and 45 J/m or more at -30.degree. C., (d) the heat deformation temperature, according to ASTM D648, is 130.degree. C. or more, and (e) there is a diffraction peak unique to polypropylene of space group P21/c in the diffraction pattern measured by the wide angle X-ray diffraction method in an injection molded article of the composition formed under a quenching condition.

    摘要翻译: 包含全同立构聚丙烯组分,橡胶组分和无机填料组分的聚丙烯树脂组合物,其中(a)根据ASTM D1238的熔体流动速率为20g / 10min以上,(b)挠曲模量, 根据ASTM D790,为2300MPa以上,(c)根据ASTM D256,Izod冲击强度在23℃为180J / m以上,-30℃为45J / m以上, (d)根据ASTM D648的热变形温度为130℃以上,(e)在广角X射线衍射测定的衍射图中,存在空间群P21 / c的聚丙烯特有的衍射峰, 在淬火条件下形成的组合物的注塑制品中的X-射线衍射法。

    Thermoplastic resin composition
    5.
    发明授权
    Thermoplastic resin composition 失效
    热塑性树脂组合物

    公开(公告)号:US5852100A

    公开(公告)日:1998-12-22

    申请号:US636220

    申请日:1996-04-23

    摘要: A thermoplastic resin composition with improved low-temperature impact strength and rigidity against heat, comprising (I) 10-40% by weight of a mixture of (a) 10-50% by weight of a propylene homopolymer and/or an ethylene-propylene block copolymer (an isotactic pentad fraction of a propylene homopolymer portion being 0.98 or above) and (b) 50-90% by weight of an olefin-based copolymer rubber, said mixture having been dynamically heat treated in the presence of an organic peroxide and a crosslinking agent, (II) 20-85% by weight of a propylene homopolymer and/or an ethylene-propylene block copolymer (an isotactic pentad fraction of a propylene homopolymer portion being 0.98 or above and a melt index of the propylene homopolymer portion being 30-150 g/10 min), and (III) 5-40% by weight of an inorganic filler.

    摘要翻译: 具有改进的低温冲击强度和抗热刚性的热塑性树脂组合物,包含(I)10-40重量%的(a)10-50重量%的丙烯均聚物和/或乙烯 - 丙烯的混合物 嵌段共聚物(丙烯均聚物部分的全同立构五单元组分数为0.98以上)和(b)50-90重量%的烯烃系共聚物橡胶,所述混合物在有机过氧化物的存在下动态热处理, 交联剂(II)20-85重量%的丙烯均聚物和/或乙烯 - 丙烯嵌段共聚物(丙烯均聚物部分的全同立构五单元组分数为0.98或更高,丙烯均聚物部分的熔体指数为 30-150g / 10min)和(III)5-40重量%的无机填料。

    Crystalline ethylene-propylene copolymer with ethylene copolymer(s)
and/or alkenyl aromatic-grafted rubber
    8.
    发明授权
    Crystalline ethylene-propylene copolymer with ethylene copolymer(s) and/or alkenyl aromatic-grafted rubber 失效
    具有乙烯共聚物和/或链烯基芳香族接枝橡胶的结晶乙烯 - 丙烯共聚物

    公开(公告)号:US5914363A

    公开(公告)日:1999-06-22

    申请号:US637280

    申请日:1996-04-24

    摘要: A thermoplastic resin composition which has a melt flow rate of 25 to 30 g/10 min and a flexural modulus at 23.degree. C. of 20,000 kg/cm.sup.2 or more and which comprises (1) 78 to 87% by weight of a specific crystalline polypropylene �referred to hereinafter as (A)! in which the propylene homopolymer portion has a Q value of 3.0 to 5.0, an isotactic pentad fraction of 0.975 or more and an intrinsic viscosity �.eta.! of 1.00 to 1.10 dl/g as measured at 135.degree. C. in tetralin, (2) 3 to 10% by weight of at least two specific rubber components selected from the group consisting of (B) 1 to 9% by weight of an ethylene-butene-1 copolymer rubber, (C) 1 to 9% by weight of an ethylene-propylene copolymer rubber and (D) 1 to 9% by weight of an alkenyl aromatic compound-containing rubber; and (3) 10 to 12% by weight of talc having an average particle diameter of 4 .mu.m or less, and an injection molded article of the thermoplastic resin composition, said thermoplastic resin composition satisfying the impact strength and rigidity required as a material for an interior automotive trim and having a short molding cycle and good surface quality.

    摘要翻译: 一种热塑性树脂组合物,其熔体流动速率为25至30g / 10min,在23℃下的弯曲模量为20,000kg / cm 2或更高,并且其包含(1)78至87重量%的特定结晶 聚丙烯[以下称为(A)],其中丙烯均聚物部分的Q值为3.0〜5.0,全同立构五单元组分数为0.975以上,特性粘度η为1.00〜1.10dl / g, (2)3至10重量%的至少两种选自(B)1至9重量%的乙烯 - 丁烯-1共聚物橡胶的特定橡胶组分(C )1〜9重量%的乙烯 - 丙烯共聚物橡胶和(D)1〜9重量%的含烯基芳香族化合物的橡胶; 和(3)10〜12重量%的平均粒径为4μm以下的滑石,以及热塑性树脂组合物的注射成型品,所述热塑性树脂组合物满足作为材料的材料所需的冲击强度和刚性 内部汽车装饰件,具有短的成型周期和良好的表面质量。

    Polypropylene resin composition
    9.
    发明授权
    Polypropylene resin composition 失效
    聚丙烯树脂组合物

    公开(公告)号:US5621046A

    公开(公告)日:1997-04-15

    申请号:US499908

    申请日:1995-07-11

    摘要: A polypropylene resin composition including (A) 50-90 parts by weight of a polypropylene resin including (a) 3-30 weight % of stereoblock polypropylene having a weight-average molecular weight of 5,000-1,000,000, a percentage of five continuous propylene monomer units in which all propylene bonds are meso bonds and a percentage of five continuous propylene monomer units in which all propylene bonds are racemic bonds being 70% or more and 5% or more, respectively relative to the all propylene bonds, and (b) 70-97 weight % of an ultra-high stereospecific polypropylene having a melt flow rate of 0.1-1,000 g/10 minutes, an average meso chain length Nm calculated from a triad percentage determined from .sup.13 C-NMR spectrum by the following formula of Nm=2[mm]/[mr]+1, wherein [mm] is (isotactic triad/total triad).times.100 (%) and [mr] is (heterotactic triad/total triad).times.100 (%), meeting a relation of Nm>250+29.5 log (MFR), and (B) 50-10 parts by weight of an olefinic rubber and/or a polyolefin other than (A).

    摘要翻译: 一种聚丙烯树脂组合物,其包含(A)50-90重量份的聚丙烯树脂,其包含(a)3-30重量%的重均分子量为5,000-1,000,000的立构嵌段聚丙烯,五个连续丙烯单体单元的百分比 其中所有丙烯键均为内消旋键,其中所有丙烯键为外消旋键的五个连续丙烯单体单元的百分比相对于全部丙烯键分别为70%以上且5%以上,(b)70〜 97重量%的熔体流动速率为0.1-1,000g / 10分钟的超高立体定向聚丙烯,由根据13 C-NMR光谱由下式Nm / 2确定的三单元组百分比计算的平均内消旋链长度Nm: mm] / [mr] +1,其中[mm]为(全同立构三单元组/总三元组)×100(%),[mr]为(异质三单元组/总三元组)×100(%),满足Nm> 29.5log(MFR)和(B)50-10重量份的烯烃橡胶和/或其它聚烯烃 比(A)。

    Thermoplastic polymer composition
    10.
    发明授权
    Thermoplastic polymer composition 失效
    热塑性聚合物组成

    公开(公告)号:US5374677A

    公开(公告)日:1994-12-20

    申请号:US901026

    申请日:1992-06-19

    摘要: A thermoplastic polymer composition comprising: (i) 100 parts by weight of a thermoplastic polymer component which comprises an ethylene-propylene rubber, an ethylene copolymer and a propylene polymer (including an ethylene-propylene block copolymer), and (ii) 0 to 7 parts by weight of talc, the thermoplastic polymer component being composed of, according to fractionation using o-dichlorobenzene as a solvent, component (A) which is a component soluble in the solvent at 40.degree. C., component (B) which is a component insoluble in the solvent at 40.degree. C. but soluble at 110.degree. C., and component (C) which is a component insoluble in the solvent even at 110.degree. C. in such a proportion that the total amount of the components (A) and (B) is from 50 to 70 parts by weight, the weight ratio of the component (A) to the component (B) being from 0.5 to 1.5, and the amount of the component (C) is from 50 to 30 parts by weight.

    摘要翻译: 一种热塑性聚合物组合物,其包含:(i)100重量份的包含乙丙橡胶,乙烯共聚物和丙烯聚合物(包括乙烯 - 丙烯嵌段共聚物)的热塑性聚合物组分,和(ii)0至7 滑石的重量份,热塑性聚合物组分由根据使用邻二氯苯作为溶剂的分级组成,组分(A)是在40℃下可溶于溶剂的组分,组分(B)为 组分不溶于40℃但可溶于110℃的组分(C),即使在110℃下不溶于溶剂的组分(C),组分(A )和(B)为50〜70重量份,成分(A)与成分(B)的重量比为0.5〜1.5,成分(C)的含量为50〜30重量份 重量。