Glass fiber-reinforced thermoplastic resin composition
    1.
    发明授权
    Glass fiber-reinforced thermoplastic resin composition 失效
    玻璃纤维增​​强热塑性树脂组合物

    公开(公告)号:US5811491A

    公开(公告)日:1998-09-22

    申请号:US468625

    申请日:1995-06-06

    摘要: A glass fiber-reinforced thermoplastic resin excellent in providing a balance between processability, tapping strength and heat resistance. The composition comprising (A) 10 to 60% by weight of a terpolymer which comprises N-phenylmaleimide, styrene and acrylonitrile, (B) 5 to 20% by weight of a graft polymer which comprises at least one rubber selected from the group consisting of a conjugated diene rubber, an ethylene-propylene rubber and an ethylene-butylene rubber comprising ethylene and butylene, to which rubber styrene and acrylonitrile are graft polymerized, (C) 10 to 80% by weight of a copolymer which comprises styrene and acrylonitrile, and (D) 5 to 35% by weight of glass fiber, wherein (a) the terpolymer has an intrinsic viscosity of 0.20 dl/g to 0.70 dl/g, (b) the copolymer has an intrinsic viscosity of 0.40 dl/g to 1.00 dl/g, (c) the intrinsic viscosity of terpolymer is equal to or smaller than that of the copolymer, and (d) a styrene content in the copolymer minus a styrene content in the terpolymer is from +20 to -5% by weight.

    摘要翻译: 玻璃纤维增​​强热塑性树脂在加工性,攻丝强度和耐热性之间提供优异的平衡。 包含(A)10至60重量%的包含N-苯基马来酰亚胺,苯乙烯和丙烯腈的三元共聚物,(B)5至20重量%的接枝聚合物,其包含至少一种选自以下的橡胶: 共轭二烯橡胶,乙烯 - 丙烯橡胶和包含乙烯和丁烯的乙烯 - 丁烯橡胶,其中橡胶苯乙烯和丙烯腈接枝聚合,(C)10至80重量%的包含苯乙烯和丙烯腈的共聚物,以及 (D)5〜35重量%的玻璃纤维,其中(a)三元共聚物的特性粘度为0.20dl / g〜0.70dl / g,(b)共聚物的特性粘度为0.40dl / g〜1.00 dl / g,(c)三元共聚物的特性粘度等于或小于共聚物的特性粘度,(d)共聚物中的苯乙烯含量减去三元共聚物中的苯乙烯含量为+20至-5重量% 。

    Thermoplastic resin composition
    2.
    发明授权
    Thermoplastic resin composition 失效
    热塑性树脂组合物

    公开(公告)号:US5777020A

    公开(公告)日:1998-07-07

    申请号:US749506

    申请日:1996-11-15

    IPC分类号: C08L53/00 C08K3/34

    CPC分类号: C08L53/00

    摘要: A thermoplastic resin composition comprising (A) a propylene/ethylene block copolymer, (B) a combination of a low-crystalline ethylene/butene random copolymer resin and an amorphous ethylene/butene random copolymer rubber, or a combination of an ethylene/octene copolymer rubber and an ethylene/propylene copolymer rubber, (C) a specific block elastomer, and (D) talc. This composition has good injection molding properties, can reveal excellent flexural modulus, heat resistance and surface hardness, and is suitable for producing such injection-molded products as interior automotive trims.

    摘要翻译: 一种热塑性树脂组合物,其包含(A)丙烯/乙烯嵌段共聚物,(B)低结晶乙烯/丁烯无规共聚物树脂和无定形乙烯/丁烯无规共聚物橡胶的组合,或乙烯/辛烯共聚物 橡胶和乙烯/丙烯共聚物橡胶,(C)特定的嵌段弹性体和(D)滑石。 该组合物具有良好的注塑性能,可以显示优异的弯曲模量,耐热性和表面硬度,并且适用于生产如汽车内饰件的注塑产品。

    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。

    Process for preparing a polyamide composite material
    7.
    发明授权
    Process for preparing a polyamide composite material 失效
    制备聚酰胺复合材料的方法

    公开(公告)号:US5248720A

    公开(公告)日:1993-09-28

    申请号:US831005

    申请日:1992-02-06

    IPC分类号: C08K3/34

    CPC分类号: C08K3/34

    摘要: A process for preparing a polyamide composite material comprising (1) contacting a layered silicate having a cation exchange capacity of 50 to 200 milliequivalents/100 g with an organic cation of a lactam which is a swelling agent in a dispersing medium, thereby obtaining a composite having the organic cation of the lactam adsorbed onto the layered silicate, and mixing the composite with a polyamide monomer; or (2) mixing a layered silicate having a cation exchange capacity of 50 to 200 milliequivalents/100 g with a compound which becomes a swelling agent through the action of an acid, a polyamide monomer and acid with pKa value of 0 to 3 in a dispersing medium. The mixture containing the polyamide monomer is polymerized to prepare the polyamide composite material.

    摘要翻译: 一种制备聚酰胺复合材料的方法,包括(1)使阳离子交换容量为50-200毫当量/ 100g的层状硅酸盐与分散介质中作为溶胀剂的内酰胺的有机阳离子接触,从而获得复合材料 将内酰胺的有机阳离子吸附到层状硅酸盐上,并将该复合物与聚酰胺单体混合; 或(2)将阳离子交换容量为50〜200毫当量/ 100g的层状硅酸盐与通过酸,聚酰胺单体和pKa值为0〜3的酸成为溶胀剂的化合物混合, 分散介质。 将含有聚酰胺单体的混合物聚合以制备聚酰胺复合材料。

    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.