Thermoplastic resin composition
    11.
    发明公开
    Thermoplastic resin composition 失效
    Thermoplastische Harzzusammensetzung。

    公开(公告)号:EP0335394A2

    公开(公告)日:1989-10-04

    申请号:EP89105627.7

    申请日:1989-03-30

    摘要: There is disclosed a thermoplastic resin composition comprising a blend of

    100 parts by weight of a resin composition composed of 1 to 99% by weight of a polypropylene type resin (C) selected from the group consisting of a modified polypropylene (A) obtained by graft copolymerizing an unsaturated carboxylic acid or a derivative thereof and an unsaturated aroamtic monomer onto polypropylene, and a composition composed of the modified polypropylene (A) and a polypropylene (B), and 99 to 1% by weight of at least one sturated polyester resin (D),
    0.1 to 300 parts by weiht of an epoxy group containing copolymer (E),
    0.1 to 300 parts by weight of a modified ethylenic copolymer ruber (F) obtained by graft copolymerizing and an unsaturated carboxylic acid or a derivative thereof and an unsaturated aromatic monomer onto ethylenic copolymer ruber, and
    Up to 5 partsg by weight of a basic comdpound (G) optionally added as reaction accelerator, the content of the saturted polyester resin in the thermoplastic polyeste4r resin being less than 50% by weight.

    The thermoplastic resin composition of the present invention has high heat resistance and high impact resistance. in particular, high low-temperatuer impact resistance and is advantgeously used in automobilde parts, electric and electronic parts, etc.

    摘要翻译: 公开了一种热塑性树脂组合物,其包含100重量份的由1至99重量%的聚丙烯类树脂(C)组成的树脂组合物的混合物,所述聚丙烯类树脂(C)选自由接枝获得的改性聚丙烯(A) 将不饱和羧酸或其衍生物和不饱和芳族单体共聚到聚丙烯上,以及由改性聚丙烯(A)和聚丙烯(B)组成的组合物和99至1重量%的至少一种饱和聚酯树脂( D)0.1〜300份,含有环氧基共聚物(E)0.1〜300份,接枝共聚得到的改性乙烯类共聚物(F)0.1〜300重量份,不饱和羧酸或其衍生物和不饱和羧酸衍生物 芳族单体加入到乙烯共聚物中,最多加入5重量份作为反应促进剂的碱性化合物(G),饱和聚酯树脂的含量 塑性聚酯树脂小于50重量%。 本发明的热塑性树脂组合物具有高耐热性和高抗冲击性,特别是低耐温冲击性,并且有利地用于汽车零件,电气和电子零件等。

    Polypropylene resin compositions
    12.
    发明公开
    Polypropylene resin compositions 有权
    聚丙烯树脂组合物

    公开(公告)号:EP1580230A2

    公开(公告)日:2005-09-28

    申请号:EP05005962.5

    申请日:2005-03-18

    IPC分类号: C08L23/10

    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: 一种聚丙烯树脂组合物,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 (B)特性粘度[η]为0.8〜2.0dl / g,熔点为150〜168℃的含羟基聚丙烯,其含量为5〜56重量% 为10〜45重量%的(C)乙烯与α-烯烃的共聚物橡胶,其熔体流动速率(ASTM D-1238,230℃,2160g负荷)为0.5〜15g / 10分钟, (D)含有1〜10重量份的单乙烯基取代芳香族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物,其含量为18〜25重量% (E)无机填充剂15〜25重量%,上述成分(A),(B),(C),(D)和(E)的总量为100重量% 羟基g 在100重量%聚丙烯树脂组合物中,含羟基聚丙烯(B)的含有单体单元的含量为1.3〜4.0重量%。 该聚丙烯树脂组合物表现出优异的涂层粘合性能,并具有优良的加工性和机械强度以及良好的平衡。

    Vulcanizable rubber composition and vulcanized rubber product
    17.
    发明公开
    Vulcanizable rubber composition and vulcanized rubber product 失效
    Vulkanisierbare Kautschukzusammensetzung und vulkanisiertes Kautschukprodukt。

    公开(公告)号:EP0509396A1

    公开(公告)日:1992-10-21

    申请号:EP92106156.0

    申请日:1992-04-09

    IPC分类号: C08F255/06 C08F255/04

    摘要: A vulcanizable rubber composition comprising an ethylene-α-olefin copolymer modified with an alkenyl aromatic compound alone or in combination with at least one other polymerizable compound, as a polymer component. The vulcanizable rubber composition is excellent in weather-resistance, ozone-resistance and heat-resistance and has a high strength, a high rigidity and a high hardness.

    摘要翻译: 一种可硫化的橡胶组合物,其包含单独或与至少一种其它可聚合化合物组合的烯基芳族化合物改性的乙烯-α-烯烃共聚物作为聚合物组分。 可硫化橡胶组合物的耐候性,耐臭氧性和耐热性优异,强度高,刚性高,硬度高。

    A process for producing a modified ethylene-alpha-olefin copolymer rubber
    18.
    发明公开
    A process for producing a modified ethylene-alpha-olefin copolymer rubber 失效
    改性乙烯 - 丙烯共聚物橡胶及其制造方法

    公开(公告)号:EP0268985A3

    公开(公告)日:1990-03-21

    申请号:EP87116991.8

    申请日:1987-11-17

    IPC分类号: C08F255/02 C08F2/02

    摘要: A modified copolymer rubber obtained by kneading at 200-280°C
    (A) at least one copolymer rubber material selected from the group consisting of an ethylene-α-olefin copolymer rubber having a number-average molecular weight of 10,000-100,000 and an ethylene content of 15-85% by weight and an ethylene-α-olefin-nonconjugated diene copolymer rubber having a number-average molecular weight of 10,000-100,000, an ethylene content of 15-85% by weight and a nonconjugated diene content of 3.0% by weight or less, (B) a free-radical initiator, (C) at least one vinyl aromatic monomer and (D) an unsaturated dicarboxylic anhydride, the bound vinyl aromatic monomer content and the bound unsaturated dicarboxylic anhydride content in the modified copolymer rubber being 0.1-5% by weight and 0.1-5% by weight, respectively, based on the weight of the copolymer rubber material and a process for producing the same are disclosed. This modified copolymer rubber obtained has so excellent properties such as a high bound unsaturated dicarboxylic anhydride content, a low gel formation property, a low tendency of increase of the Mooney viscosity [ML 1+4 (121°C)], and an excellent moldability and storage stability that it can be suitably used for thermoplastic elastomer, blending polymer, adhesive etc.

    Rubber composition for tire treads
    19.
    发明公开
    Rubber composition for tire treads 失效
    KautschukzusammensetzungfürReifenlaufflächen。

    公开(公告)号:EP0265923A2

    公开(公告)日:1988-05-04

    申请号:EP87115816.8

    申请日:1987-10-28

    IPC分类号: C08F297/04 B60C1/00

    摘要: A rubber composition suitable for tire treads having well-balanced excellent wet skid characteristic, ice skid characteristic and rolling characteristic, and an excellent processability, which comprises a rubber component containing at least 20 % by weight of a block copolymer consisting essentially of a block A and a block B, obtained by conducting polymerization of an aromatic vinyl compound and a conjugated diene compound in a hydrocarbon solvent in the presence of an organolithium initiator and modifying with a coupling agent, and satisfying the following conditions (A) to (E);

    (A) the block A having a content of an aromatic vinyl compound of at most 5 % by weight and a content of 1,2-bonds in the conjugated diene component of at least 10 % by weight,
    (B) the block B having a content of an aromatic vinyl compound of 25 to 50 % by weight and a content of 1,2-bonds in the conjugated diene component of at least 10 % by weight,
    (C) a content of the block A in the block copolymer being from 20 to 80 % by weight,
    (D) a content of the aromatic vinyl compound in the block copolymer being from 5 to 30 % by weight and a content of 1,2-bonds in the conjugated diene component of the block copolymer being from 20 to 60 % by weight, and
    (E) at least 40 % by weight of the polymer chains of the block copolymer being a branched polymer formed by modification with a dicarboxylic acid diester.

    摘要翻译: 适用于轮胎胎面的橡胶组合物具有平衡优异的防滑特性,防滑特性和滚动特性,以及优异的加工性能,其包括含有至少20重量%的基本上由块A组成的嵌段共聚物的橡胶组分 和通过在有机锂引发剂的存在下在烃溶剂中进行芳族乙烯基化合物和共轭二烯化合物的聚合而获得的嵌段B,并且用偶联剂进行改性,并满足下列条件(A)至(E); (A)具有至多5重量%的芳族乙烯基化合物含量和共轭二烯组分中的1,2-键含量为至少10重量%的嵌段A,(B)嵌段B具有 芳香族乙烯基化合物的含量为25〜50重量%,共轭二烯成分中的1,2-键含量为10重量%以上,(C)嵌段共聚物中嵌段A的含量为 20〜80重量%,(D)嵌段共聚物中芳香族乙烯基化合物的含量为5〜30重量%,嵌段共聚物的共轭二烯成分中的1,2-键的含量为 20〜60重量%,(E)嵌段共聚物的聚合物链的至少40重量%为通过用二羧酸二酯改性形成的支链聚合物。 升