Crystalline propylene block-copolymer composition for use in automobile
parts
    1.
    发明授权
    Crystalline propylene block-copolymer composition for use in automobile parts 失效
    用于汽车零件的结晶丙烯嵌段共聚物组合物

    公开(公告)号:US6121363A

    公开(公告)日:2000-09-19

    申请号:US251331

    申请日:1999-02-17

    CPC分类号: C08L53/00

    摘要: A crystalline propyleiie block-copolymer composition exhibiting superior flowability upon molding for use in automobile parts, which composition comprises 41 to 71% by weight of a crystalline propylene block-copolymer composed of a propylene homopolymer portion (Fp) and an ethylene/propylene random copolymer portion (Fc) and having an ethylene content of 1 to 10% by weight and a melt flow rate (MFR) of 20 to 100 g/10 min.; 12 to 22% by weight of a first hydrogenated product of a block-copolymer having a relatively smaller stylene content; 2 to 12% by weight of a second hydrogenated product of a block-copolymer having a relatively greater stylene content; and 15 to 25% by weight of talc, wherein the propylene homopolymer portion (Fp) contains 20 to 50% by weight of a low molecular weight propylene homopolymer having an MFR of 400 to 1,000 g/10 min., the average MFR being 100 to 350 g/10 min. and the isotactic pentad fraction being at least 98%, and wherein the said (Fc) has an intrinsic viscosity of 7 dl/g or higher.

    摘要翻译: 一种结晶丙烯嵌段共聚物组合物,其成型用于汽车部件时具有优异的流动性,该组合物包含41至71重量%的由丙烯均聚物部分(Fp)和乙烯/丙烯无规共聚物组成的结晶丙烯嵌段共聚物 (Fc),乙烯含量为1〜10重量%,熔体流动速率(MFR)为20〜100g / 10分钟。 12至22重量%的具有相对较小的苯乙烯含量的嵌段共聚物的第一氢化产物; 2至12重量%的具有相对较大的苯乙烯含量的嵌段共聚物的第二个氢化产物; 和15〜25重量%的滑石,其中丙烯均聚物部分(Fp)含有20〜50重量%的MFR为400〜1000g / 10分钟的低分子量丙烯均聚物,平均MFR为100 至350g / 10min。 和全同立构五单元组分数为98%以上,其中所述(Fc)的特性粘度为7dl / g以上。

    Polypropylene resin composition
    2.
    发明授权
    Polypropylene resin composition 失效
    聚丙烯树脂组合物

    公开(公告)号:US5308908A

    公开(公告)日:1994-05-03

    申请号:US936389

    申请日:1992-08-28

    摘要: A polypropylene resin composition comprising:(A) 45 to 70% by weight of an ethylene-propylene block copolymer synthesized under the process comprising the steps of;(a) polymerizing propylene with a Ziegler-Natta catalyst to obtain a highly crystalline polypropylene that contain not less than 97% by weight of a fraction insoluble in boiling n-heptane, and(b) copolymerizing ethylene with the polypropylene (a), and which(a) contains 0.5 to 10% by weight of ethylene,(b) contains 5 to 20% by weight of a fraction being soluble in p-xylene at room temperature and having an intrinsic viscosity value of not less than 2 (measured in decalin at 135.degree. C.),(c) has a melt-flow index value of 30 to 100 g/10 min., and,(d) has a value of flexural modulus of not less than 18,000 kg/cm.sup.2,(B) 10 to 20% by weight of an amorphous ethylene-propylene copolymer having(a) an ethylene content of 70 to 90% by weight,(b) a Mooney viscosity value (ML.sub.1+4 at 100.degree. C.) of 5 to 70,(C) 5 to 15% by weight of an ethylene-.alpha.-olefin copolymer having(a) an .alpha.-olefin content of 5 to 15% by mole,(b) a value of gravity of not more than 0.91, and(c) a melt-flow index value of 2.2 to 50 g/10 min. at 230.degree. C.,(D) 1 to 10% by weight of an amorphous ethylene-butene copolymer having(a) a butene content of 10 to 25% by weight, and(b) a Mooney viscosity value (ML.sub.1+4, at 100.degree. C.) of 5 to 20,(E) not more than 15% by weight of a talc that(a) has an average diameter D50 of from 1.0 to 3.0 .mu.m, and(b) does not contain a particle having a diameter of 10 .mu.m or more,wherein the component (B) is rubber reinforced by lamellae of components (C) and (D).

    摘要翻译: 一种聚丙烯树脂组合物,其包含:(A)45至70重量%的在包括以下步骤的方法中合成的乙烯 - 丙烯嵌段共聚物: (a)用齐格勒 - 纳塔催化剂聚合丙烯以获得含有不少于97重量%不溶于沸腾正庚烷的馏分的高度结晶的聚丙烯,和(b)使乙烯与聚丙烯(a)共聚,和 (a)含有0.5〜10重量%的乙烯,(b)在室温下含有5〜20重量%的可溶于对二甲苯的馏分,其特性粘度值不小于2(以 十氢萘在135℃),(c)的熔体流动指数值为30〜100g / 10分钟,(d)弯曲弹性模量值不小于18,000kg / cm 2,(B )10〜20重量%的(a)乙烯含量为70〜90重量%,(b)门尼粘度值(100℃时ML1 + 4)为5〜70的无定形乙烯 - 丙烯共聚物 ,(C)5〜15重量%的(a)α-烯烃含量为5〜15摩尔%的乙烯-α-烯烃共聚物,(b)重力值不大于0.91,( c)熔体流动inde x值为2.2〜50g / 10min。 (D)1〜10重量%的(a)丁烯含量为10〜25重量%的无定形乙烯 - 丁烯共聚物,(b)门尼粘度值(ML1 + 4, 在100℃下为5〜20,(E)不超过15重量%的滑石,(a)平均直径D50为1.0〜3.0μm,(b)不含有颗粒 其直径为10μm以上,其中,成分(B)由成分(C)和(D)的薄片橡胶增强。

    Resin composition based on crystalline polypropylene
    3.
    发明授权
    Resin composition based on crystalline polypropylene 有权
    基于结晶聚丙烯的树脂组合物

    公开(公告)号:US06759475B2

    公开(公告)日:2004-07-06

    申请号:US09881677

    申请日:2001-06-18

    IPC分类号: C08I2300

    摘要: The present invention provides a resin composition based on crystalline polypropylene which includes: (a) 3-65% by weight of a component soluble in paraxylene of 23° C., (b) 35-97% by weight of a component soluble in paraxylene of 135° C. and insoluble in paraxylene of 23° C., and (c) 0-30% by weight of a compoent insoluble in paraxylene of 135° C. The component (a) soluble in paraxylene of 23° C. is composed substantially of an elastomeric constituent (a1) having a content of styrene or its derivative in the range of 0-35% by weight and an intrinsic viscosity (n) in the range of 0.1-5 dl/g, the component (b) soluble is paraxylene of 135° C. and insoluble in paraxylene of 23° C. is composed substantially of a crystalline polyproylene constituent (b1) having an isotactic pentad proportion (mmmm) of 97% or higher, a molecular weight distribution (Mw/Mn) of 6 or higher and a molecular weight distribution (Mz/Mw) of 6 or higher and the component (c) insoluble in paraxylene of 135° C. is composed substantially of a filler (c1).

    摘要翻译: 本发明提供了一种基于结晶聚丙烯的树脂组合物,其包括:(a)3-55重量%的可溶于23℃的对二甲苯的组分,(b)35-97重量%的可溶于对二甲苯的组分 135℃的对二甲苯不溶,(c)0-30重量%的不溶于135℃的对二甲苯的组分。可溶于23℃的对二甲苯的组分(a)为 基本上由具有0-35重量%的苯乙烯或其衍生物的含量的特性粘度(n)在0.1-5dl / g范围内的组分(a)组成的弹性体组分(a1) 可溶性为135℃的对二甲苯并且不溶于23℃的对二甲苯基本上由全同立构五单元比例(mmmm)为97%以上的结晶性聚亚
    烷基成分(b1)构成,分子量分布(Mw / Mn )为6以上,分子量分布(Mz / Mw)为6以上,成分(c)不溶于对二甲苯为135° C.基本上由填料(c1)组成。

    Polypropylene resin composition for use in automotive inner and outer trims
    4.
    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。

    Flame-retarding thermoplastic resin composition
    6.
    发明授权
    Flame-retarding thermoplastic resin composition 失效
    阻燃热塑性树脂组合物

    公开(公告)号:US06756430B2

    公开(公告)日:2004-06-29

    申请号:US09878424

    申请日:2001-06-12

    IPC分类号: C08K53492

    摘要: A flame-retarding thermoplastic resin composition which is composed essentially of (A) a component of thermoplastic resin, (B) a component of nitrogen atom-containing phosphatic compound, (C) a component of hydroxyl group-containing compound or partly esterified product thereof and (D) a component of neutralizer for acids, with optional component (E) of triazine derivative or (F) of metal alkoxide, wherein the proportion of each component is such that the component (A) is in the range from 60 to 90 parts by weight, the sum of the components (B)+(C) is in the range from 10 to 40 parts by weight and the component (D) is in the range from 0.1 to 5 parts by weight, per 100 parts by weight of the total sum of (A)+(B)+(C), respectively, wherein the weight ratio of (B)/(C) amounts to at least 1.

    摘要翻译: 一种阻燃性热塑性树脂组合物,其主要由(A)热塑性树脂组分,(B)含氮原子的磷酸酯化合物的组分,(C)含羟基化合物的组分或其部分酯化产物 和(D)酸中和剂的组分,和三嗪衍生物的任选组分(E)或金属醇盐的(F),其中每种组分的比例使得组分(A)的比例在60至90 (B)+(C)的总和为10〜40重量份,成分(D)为0.1〜5重量份,相对于100重量份 分别为(A)+(B)+(C)的总和,其中(B)/(C)的重量比达到至少1。

    Polypropylene resin compositions
    7.
    发明申请
    Polypropylene resin compositions 有权
    聚丙烯树脂组合物

    公开(公告)号:US20050209387A1

    公开(公告)日:2005-09-22

    申请号:US11081500

    申请日:2005-03-17

    摘要: A polypropylene resin composition comprises (A) (a-1) a specific crystalline propylene/ethylene block copolymer or (a-3) a polymer mixture comprising the (a-1) and (a-2) a specific crystalline propylene-homopolymer in specific ratio, in an amount of 5 to 56% by weight, (B) a hydroxyl group-containing polypropylene having an intrinsic viscosity [η] of 0.8 to 2.0 dl/g and a melting point of 150 to 168° C., in an amount of 10 to 45% by weight, (C) a copolymer rubber of ethylene and an α-olefin having a melt flow rate (ASTM D-1238, 230° C., load of 2160 g) of 0.5 to 15 g/10 min, in an amount of 18 to 25% by weight, (D) a hydrogenation product of a block copolymer containing a polymer block of a monovinyl-substituted aromatic hydrocarbon compound and a polymer block of a conjugated diene compound, in an amount of 1 to 10% by weight, and (E) an inorganic filler in an amount of 15 to 25% by weight, the total amount of said components (A), (B), (C), (D) and (E) being 100% by weight, hydroxyl group-containing monomer units derived from the hydroxyl group-containing polypropylene (B) being contained in amounts of 1.3 to 4.0% by weight in 100% by weight of the polypropylene resin composition. The polypropylene resin composition exhibits excellent coating adhesion properties and has excellent processability and mechanical strength with a good balance.

    摘要翻译: 聚丙烯树脂组合物包含(A)(a-1)特定结晶丙烯/乙烯嵌段共聚物或(a-3)包含(a-1)和(a-2)特定结晶丙烯均聚物的聚合物混合物 特定比例为5〜56重量%,(B)特性粘度η为0.8〜2.0dl / g,熔点为150〜168℃的含羟基的聚丙烯, (C)乙烯和熔体流动速率(ASTM D-1238,230℃,负荷2160g)的α-烯烃的共聚物橡胶为0.5〜15g / 10分钟,其量为18〜25重量%,(D)含有单乙烯基取代的芳烃化合物的聚合物嵌段和共轭二烯化合物的聚合物嵌段的嵌段共聚物的氢化产物的量为 所述组分(A),(B),(C),(D)和(E)的总量为1至10重量%,(E)无机填料的量为15至25重量% 为100重量%,hy 衍生自含羟基的聚丙烯(B)的含羟基的单体单元的含量为聚丙烯树脂组合物的100重量%中的1.3〜4.0重量%。 聚丙烯树脂组合物表现出优异的涂布粘附性,并且具有优异的加工性能和机械强度,并具有良好的平衡。

    Polyproplylene resin composition
    9.
    发明授权

    公开(公告)号:US5837764A

    公开(公告)日:1998-11-17

    申请号:US757607

    申请日:1996-11-29

    IPC分类号: C08K3/34 C08L23/08 C08L53/00

    CPC分类号: C08L53/00

    摘要: A polypropylene resin composition comprising the following components (A), (B), (C) and (D): (A) a crystalline ethylene-propylene block copolymer containing a room-temperature-p-xylene-soluble fraction Ac having an ethylene content of 12-26% by weight and an intrinsic viscosity (measured at 135.degree. C. in decalin) of 6 dl/g or more, (B) a crystalline ethylene-propylene block copolymer containing a room-temperature-p-xylene-soluble fraction Bc having an ethylene content of 27-50% by weight and an intrinsic viscosity (measured at 135.degree. C. in decalin) of 4 dl/g or less, (C) an ethylene-.alpha.-olefin copolymer obtained by polymerization using a single-site catalyst, having a molecular weight distribution (Mw/Mn) of 2.5 or less, a melt flow ratio (MI.sub.10 /MI.sub.2.16) of 6-15 (wherein MI.sub.10 is a melt index measured at 190.degree. C. under a load of 10 kg and MI.sub.2.16 is a melt index measured at 190.degree. C. under a load of 2.16 kg) and an .alpha.-olefin proportion of 70 mole % or less, and (D) a talc having an average particle diameter of 3-7 .mu.m as measured by laser diffraction. In the composition the weight ratios As and Bs of the room-temperature-p-xylene-soluble fractions Ac and Bc to the total weight of the components (A) and (B) satisfy the following formulas (1) and (2): As+Bs=7-15% by weight (1) As/(As+Bs)=0.1-0.6 (2) The polypropylene component contained in each of the components (A) and (B) has an isotactic pentad fraction (mmmm) of 96% or more, and the mixture of the components (A) and (B) has a melt flow rate (measured at 230.degree. C. under a load of 2,160 g) of 30-70 g/10-min, the total content of the components (A) and (B) is 50-80% by weight, the content of the component (C) is 5-20% by weight, and the content of the component (D) is 15-30% by weight, and the composition comprising the components (A), (B), (C) and (D) has a melt flow rate (measured at 230.degree. C. under a load of 2,160 g) of 25 g/10-min or more. The composition is superior in stiffness, resistance to heat deformation, impact resistance and moldability and can provide a molded article of good appearance.