Molded article for interior parts of a car
    11.
    发明申请
    Molded article for interior parts of a car 有权
    汽车内饰件的成型品

    公开(公告)号:US20040044107A1

    公开(公告)日:2004-03-04

    申请号:US10620168

    申请日:2003-07-15

    Abstract: The present invention relates to interior parts of a car comprising a new propylene resin composition. The present resin composition has good molding abilities and a good balance of physical properties as well as a good appearance, lower gloss and scratch resistance. Specifically, the present invention relates to a molded article for interior parts of a car comprising a polypropylene resin composition comprising the following components; a crystalline homopolypropylene having MFR of 500 to 3,000 g/10 min.; a polypropylene consisting of a crystalline homopolypropylene and an ethylene-propylene copolymer rubber having 45 to 80% by mass of a ethylene content; a polypropylene consisting of a crystalline homopolypropylene and an ethylene-propylene copolymer rubber having 25% by mass or more to below 45% by mass of a ethylene content; and an ethylene-null-olefin copolymer rubber.

    Abstract translation: 本发明涉及一种包含新的丙烯树脂组合物的汽车的内部部件。 本发明的树脂组合物具有良好的成型能力和物理性能的良好平衡以及良好的外观,较低的光泽和耐擦伤性。 具体地说,本发明涉及一种用于汽车内部的模制品,其包括包含以下组分的聚丙烯树脂组合物; MFR为500〜3000g / 10分钟的结晶均聚丙烯。 由结晶均聚丙烯和乙烯含量为45〜80质量%的乙烯 - 丙烯共聚物橡胶组成的聚丙烯; 由结晶均聚丙烯和乙烯含量为25质量%以上且低于45质量%的乙烯 - 丙烯共聚物橡胶组成的聚丙烯; 和乙烯-α-烯烃共聚物橡胶。

    Plasticized polypropylene thermoplastics

    公开(公告)号:US20040034170A1

    公开(公告)日:2004-02-19

    申请号:US10641756

    申请日:2003-08-15

    Inventor: Patrick Brant

    Abstract: The invention is directed to a plasticized polypropylene thermoplastic composition comprising a blend of A) from 50 to 99.9 wt % of a thermoplastic polymer derived from polypropylene, optionally with one or more copolymerizable monomer selected from C2-C10 null-olefin or diolefin, said polymer having a melt flow rate (MFR) (ASTM D1238) of from 0.5 to 1000 and a crystallinity by differential scanning calorimetry of from 0 to 70%; B) from 0.1 to 50 wt % of at least one ethylene copolymer having a weight-average molecular weight (Mw) (GPC) of from 500 to 10,000, a molecular weight distribution (MWD) (GPC) of from greater than 1.5 to less than or equal to 3.5, and a comonomer content of from greater than or equal to 20 mol % to less than 70 mol %; and optionally, C) from 0 to 20 wt % of a thermoplastic polypropylene modifier compound other than that of B).

    Poly-electrolyte free block copolymers and their use in crosslinking coatings applications
    14.
    发明申请
    Poly-electrolyte free block copolymers and their use in crosslinking coatings applications 失效
    多电解质自由基嵌段共聚物及其在交联涂料中的应用

    公开(公告)号:US20030229173A1

    公开(公告)日:2003-12-11

    申请号:US10455066

    申请日:2003-06-05

    Abstract: A curable, water-based coating composition comprising a reaction product of: a copolymer comprising a free-radical polymerization product of: a first block comprising a reaction product of: a plurality of ethylenically unsaturated monomers, and a vinyl aromatic hydrocarbon monomer, wherein at least one monomer of the plurality of ethylenically unsaturated monomers includes a functional group that can react with a water-dispersible cross-linking agent, and at least one monomer of the plurality of ethylenically unsaturated monomers is present in an amount such that it can render the copolymer water dispersible, and a second block comprising a reaction product of at least one ethylenically unsaturated monomer, wherein at least a portion of which are non-functional, and a water-dispersible cross-linking agent, wherein the water-based copolymer is free of salt structures.

    Abstract translation: 一种可固化的水性涂料组合物,其包含以下反应产物的反应产物:包含自由基聚合产物的共聚物,该自由基聚合产物包含:包含多个烯属不饱和单体和乙烯基芳族烃单体的反应产物的第一嵌段,其中在 多个烯属不饱和单体中的至少一个单体包括可与水分散性交联剂反应的官能团,并且多个烯键式不饱和单体中的至少一种单体的存在量可以使得 共聚物水分散体,和包含至少一种烯属不饱和单体的反应产物的第二嵌段,其中至少一部分是非官能的,和水分散性交联剂,其中所述水基共聚物是游离的 的盐结构。

    Propylene-based resin composition and film made of the same
    15.
    发明申请
    Propylene-based resin composition and film made of the same 有权
    丙烯类树脂组合物及其制成的薄膜

    公开(公告)号:US20030220453A1

    公开(公告)日:2003-11-27

    申请号:US10397731

    申请日:2003-03-27

    Abstract: Disclosed is a resin composition that comprises a propylene-based copolymer (X) consisting of two kinds of copolymeric components made up of propylene, null-olefin and optionally ethylene which are characterized by ethylene content and null-olefin content, the copolymer (X) exhibiting a specific endothermic behavior in DSC measurement; a crystalline olefin-based polymer (Z) having a melting point up to 115null C.; and optionally a copolymer (Y) made up of propylene and null-olefin and/or ethylene. The resin composition can be modified by addition of a propylene-based polymer (W) and/or a nucleating agent (N) and can yield a film superior in low-temperature heat sealability and antiblocking property.

    Abstract translation: 公开了一种树脂组合物,其包含由丙烯,α-烯烃和任选的乙烯组成的两种共聚物组分的丙烯类共聚物(X),其特征在于乙烯含量和α-烯烃含量,共聚物(X) 在DSC测量中表现出特定的吸热行为; 熔点高达115℃的结晶烯烃基聚合物(Z); 和任选的由丙烯和α-烯烃和/或乙烯组成的共聚物(Y)。 可以通过添加丙烯类聚合物(W)和/或成核剂(N)来改性树脂组合物,并且可以得到低温热封性和防粘连性优异的膜。

    Metallocene-produced very low density polyethylenes
    16.
    发明申请
    Metallocene-produced very low density polyethylenes 失效
    茂金属生产的非常低密度的聚乙烯

    公开(公告)号:US20030215659A1

    公开(公告)日:2003-11-20

    申请号:US10311528

    申请日:2003-03-24

    CPC classification number: C08L23/0815 C08L23/04 Y10T428/31855 C08L2666/06

    Abstract: The present invention provides a polymer blend suitable for use as a film or a coating, the polymer blend including from 1 to 99% by weight of a metallocene-produced VLDPE polymer having a density less than 0.916 g/cm3, and from 1 to 99% by weight of an LDPE polymer having a density of from 0.916 to 0.928 g/cm3 wherein the sum of (a) and (b) is 100%. The VLDPE polymer can have a melt index of from 6 to 15 dg/min, or from 9 to 12 dg/min. The present invention further provides polymeric films extrusion cast from such polymer blends, and articles having a flexible substrate and a polymeric film extrusion-coated on the substrate

    Abstract translation: 本发明提供一种适合用作膜或涂层的聚合物共混物,所述聚合物共混物包括1至99重量%的茂金属生产的密度小于0.916g / cm 3的VLDPE聚合物, 1至99重量%的密度为0.916至0.928g / cm 3的LDPE聚合物,其中(a)和(b)的总和为100%。 VLDPE聚合物的熔体指数可以为6至15dg / min,或9至12dg / min。 本发明进一步提供了由这种聚合物共混物挤压成型的聚合物膜,以及具有柔性基材和挤出涂布在基材上的聚合物膜的制品

    High density polyethylene melt blends for improved stress crack resistance in pipe
    18.
    发明申请
    High density polyethylene melt blends for improved stress crack resistance in pipe 有权
    高密度聚乙烯熔体共混物,用于提高管材的抗应力开裂性能

    公开(公告)号:US20030187083A1

    公开(公告)日:2003-10-02

    申请号:US10112200

    申请日:2002-03-29

    Abstract: The invention provides a polyethylene composition comprising a melt blend of (i) a bimodal high molecular weight high density polyethylene resin having a NCTL stress crack resistance of about 200 hours or greater, and (ii) a high density polyethylene resin selected from the group consisting of a homopolymer high density polyethylene resin, a copolymer high density polyethylene resin, and mixtures thereof, wherein the composition has a minimum NCTL stress crack resistance of 24 hours. In another embodiment, a polyethylene composition comprises a melt blend of the bimodal high molecular weight high density polyethylene resin and a linear low density polyethylene resin. The bimodal high molecular weight high density polyethylene resin can be a commodity film grade resin, the homopolymer and copolymer resins can be milk bottle grade and detergent bottle grade, respectively, and the linear low density polyethylene resin can be a film grade. The compositions are especially useful for manufacture of profile and corrugated pipe and/or pipe fitting applications, and chemical waste applications including sanitary sewer or irrigation piping systems.

    Abstract translation: 本发明提供一种聚乙烯组合物,其包含(i)具有约200小时或更长时间的NCTL应力抗裂性的双峰高分子量高密度聚乙烯树脂和(ii)选自以下的高密度聚乙烯树脂的熔融共混物: 的均聚物高密度聚乙烯树脂,共聚物高密度聚乙烯树脂及其混合物,其中组合物具有24小时的最小NCTL应力抗裂性。 在另一个实施方案中,聚乙烯组合物包含双峰高分子量高密度聚乙烯树脂和线型低密度聚乙烯树脂的熔融共混物。 双峰高分子量高密度聚乙烯树脂可以是商品膜级树脂,均聚物和共聚物树脂分别可以是奶瓶级和洗涤剂瓶级,线性低密度聚乙烯树脂可以是膜级。 该组合物特别适用于制造轮廓和波纹管和/或管道配件应用以及化学废物应用,包括卫生下水道或灌溉管道系统。

    Polyolefin compositions having high tenacity
    19.
    发明申请
    Polyolefin compositions having high tenacity 有权
    具有高韧性的聚烯烃组合物

    公开(公告)号:US20030181597A1

    公开(公告)日:2003-09-25

    申请号:US10379177

    申请日:2003-03-04

    Abstract: A polyolefin composition suitable for preparing single ply roofing membranes, comprising: (A) from about 15 to about 40% by weight of a crystalline copolymer of propylene with at least one alpha-olefin of formula H2CnullCHR1, where R1 is H or a C2null8 linear or branched alkyl, containing at least about 90% by weight of propylene, having solubility in xylene at room temperature lower than about 15% by weight; (B) from about 60 to about 85% by weight of an elastomeric fraction comprising: (1) a copolymer of propylene with ethylene containing about 20 to about 35% by weight ethylene, and having solubility in xylene at room temperature greater than about 70% by weight, the intrinsic viscosity of the xylene soluble fraction being higher than about 3.0 dl/g up to about 6.0 dl/g; and (2) a copolymer of ethylene with at least one alpha-olefin of formula H2CnullCHR2, where R2 is a C2null8 linear or branched alkyl, containing about 15% to 40% by weight alpha-olefin, and having solubility in xylene at room temperature greater than about 25% by weight, the intrinsic viscosity of the xylene soluble fraction ranging from about 0.5 to about 5.0 dl/g; the (1)/(2) weight ratio ranging from about 1:5 to about 5:1. The polyolefin composition of the invention, preferably prepared by sequential polymerization in at least three stages, has tensile strength at break null25 MPa, elongation at break null700 MPa and toughness null150 MPa.

    Abstract translation: 一种适于制备单层屋顶膜的聚烯烃组合物,其包含:(A)约15至约40重量%的丙烯与至少一种式IIC = CHR 1的α-烯烃的结晶共聚物,其中R“ 1>是H或含有至少约90重量%丙烯的C2-8直链或支链烷基,其在室温下在二甲苯中的溶解度低于约15重量%; (B)约60至约85重量%的弹性体级分,其包含:(1)丙烯与乙烯的共聚物,其含有约20至约35重量%的乙烯,并且在室温下在二甲苯中的溶解度大于约70 重量%,二甲苯可溶部分的特性粘度高于约3.0dl / g至约6.0dl / g; 和(2)乙烯与至少一种式H 2 C = CHR 2的α-烯烃的共聚物,其中R 2是C 2-8直链或支链烷基,含有约15%至40%重量的α- 烯烃,并且在室温下在二甲苯中的溶解度大于约25重量%,二甲苯可溶部分的特性粘度为约0.5至约5.0dl / g; (1)/(2)重量比为约1:5至约5:1。 本发明的聚烯烃组合物优选通过在至少三个阶段中连续聚合制备,其断裂强度≥25MPa,断裂伸长率> = 700MPa,韧性≥150MPa。

    Thermoplastic resin composition cross reference to related applications
    20.
    发明申请
    Thermoplastic resin composition cross reference to related applications 有权
    热塑性树脂组合物参照相关申请

    公开(公告)号:US20030171493A1

    公开(公告)日:2003-09-11

    申请号:US10386641

    申请日:2003-03-12

    Abstract: The present invention provides a thermoplastic resin composition comprising (a) 100 parts by weight of a resin selected from the group consisting of polypropylenes and copolymers composed mainly of propylene, (b) 5 to 350 parts by weight of a resin selected from the group consisting of polyethylenes and copolymers composed mainly of ethylene, the resin having been prepared using a single site catalyst, and (c) 5 to 200 parts by weight of an ionomer resin or its ester. The present thermoplastic resin composition is excellent in mechanical properties and heat bonding property to various resins, and causes no bleeding-out of softening agents, thereby the softness of the shaped articles obtained from the composition can be easily controlled. The present invention also provides a laminated article comprising a layer of the resin composition .

    Abstract translation: 本发明提供一种热塑性树脂组合物,其包含(a)100重量份选自聚丙烯和主要由丙烯组成的共聚物的树脂,(b)5至350重量份的选自以下的树脂: 的聚乙烯和主要由乙烯组成的共聚物,该树脂使用单点催化剂制备,和(c)5〜200重量份的离聚物树脂或其酯。 本发明的热塑性树脂组合物对各种树脂的机械性能和热粘合性优异,并且不会使软化剂渗出,从而可以容易地控制由组合物获得的成型制品的柔软性。 本发明还提供一种包含树脂组合物层的层压制品。

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