Thermoplastic material comprising a vulcanized rubber in a subdivided form
    71.
    发明授权
    Thermoplastic material comprising a vulcanized rubber in a subdivided form 失效
    包括细分形式的硫化橡胶的热塑性材料

    公开(公告)号:US07652101B2

    公开(公告)日:2010-01-26

    申请号:US10551186

    申请日:2003-03-31

    摘要: A thermoplastic material has a) from 5% weight to 95% by weight, preferably from 10% by weight to 60% by weight, of vulcanized rubber in a subdivided form; b) from 5% by weight to 95% by weight, preferably from 40% by weight to 90% by weight, of at least one heterophase copolymer having a thermoplastic phase made from a propylene homopolymer or copolymer and an elastomeric phase made from a copolymer of ethylene with an α-olefin, preferably with propylene; c) from 0% by weight to 90% by weight, preferably from 0% by weight to 50% by weight, of at least one α-olefin homopolymer or copolymer different from b); the amounts of a), b) and c) being expressed with respect to the total weight of a)+b)+c). The thermoplastic material shows improved mechanical properties, in particular, improved elongation at break.

    摘要翻译: 热塑性材料具有a)按重量计5%至95%,优选10%至60%重量的硫化橡胶; b)5重量%至95重量%,优选40重量%至90重量%的至少一种具有由丙烯均聚物或共聚物制成的热塑性相的异相共聚物和由共聚物制成的弹性体相 的乙烯与α-烯烃,优选与丙烯; c)0重量%至90重量%,优选0重量%至50重量%的至少一种不同于b)的α-烯烃均聚物或共聚物; a),b)和c)的量相对于a)+ b)+ c)的总重量表示。 热塑性材料显示出改进的机械性能,特别是改进的断裂伸长率。

    Cable with a Coating Layer Made from a Waste Material
    72.
    发明申请
    Cable with a Coating Layer Made from a Waste Material 有权
    带有由废料制成的涂层的电缆

    公开(公告)号:US20080304797A1

    公开(公告)日:2008-12-11

    申请号:US10573595

    申请日:2003-09-30

    IPC分类号: G02B6/44

    摘要: A cable including at least one core having at least one transmissive element and at least one coating layer made from a coating material, wherein the coating material has at least a first polyethylene having a density not higher than 0.940 g/cm3, preferably not lower than 0.910 g/cm3, more preferably 0.915 g/cm3 to 0.938 g/cm3, and a Melt Flow Index (MFI), measured at 190° C. with a load of 2.16 Kg according to ASTM D1238-00 standard, of 0.05 g/10′ to 2 g/10′, preferably 0.1 g/10′ to 1 g/10′; the first polyethylene being obtained from a waste material; at least a second polyethylene having a density higher than 0.940 g/cm3, preferably not higher than 0.970 g/cm3, more preferably 0.942 g/cm3 to 0.965 g/cm3. Preferably, the coating layer is a cable external layer having a protective function.

    摘要翻译: 一种电缆,包括至少一个具有至少一个透射元件的芯和由涂层材料制成的至少一个涂层,其中所述涂料至少具有密度不高于0.940g / cm 3的第一聚乙烯,优选不低于 0.910g / cm 3,更优选0.915g / cm 3至0.938g / cm 3,以及根据ASTM D1238-00标准,在190℃,2.16Kg负荷下测量的熔体流动指数(MFI)为0.05g / 10'至2g / 10',优选0.1g / 10'至1g / 10'; 所述第一聚乙烯是从废料获得的; 至少第二聚乙烯的密度高于0.940g / cm3,优选不高于0.970g / cm3,更优选为0.942g / cm3至0.965g / cm3。 优选地,涂层是具有保护功能的电缆外层。

    Method for monitoring tyre deformations and monitoring system therefore
    73.
    发明申请
    Method for monitoring tyre deformations and monitoring system therefore 有权
    因此,监测轮胎变形和监控系统的方法

    公开(公告)号:US20070151334A1

    公开(公告)日:2007-07-05

    申请号:US10569196

    申请日:2003-09-19

    IPC分类号: G01M17/02

    摘要: A method for monitoring deformations in a tyre of a vehicle wheel, the wheel including the tyre and a rim, the method including: providing the wheel with at least two magnetic-field emitters mutually disposed so as to yield a composite magnetic field having one or more space portions where at least one component of the composite magnetic field is substantially null; disposing at least one main magnetic-field sensor substantially in one of the one or more space portions; monitoring variation of the at least one component of the composite magnetic field; and correlating the variation with tyre deformations. At least one of the magnetic-field emitters is disposed in contact with the tyre. A system for monitoring deformations in a tyre of a vehicle wheel includes the wheel, the at least two magnetic-field emitters, and the at least one main magnetic-field sensor.

    摘要翻译: 一种用于监测车轮的轮胎变形的方法,包括轮胎和轮辋的车轮,所述方法包括:为车轮提供相互配置的至少两个磁场发射器,以产生具有一个或多个的复合磁场, 更多的空间部分,其中复合磁场的至少一个分量基本上为零; 将至少一个主磁场传感器设置在所述一个或多个空间部分之一中; 监测复合磁场的至少一个分量的变化; 并将变化与轮胎变形相关联。 至少一个磁场发射器被设置成与轮胎接触。 用于监测车轮的轮胎变形的系统包括车轮,至少两个磁场发射器和至少一个主磁场传感器。

    Cable with recyclable covering
    75.
    发明授权
    Cable with recyclable covering 有权
    电缆与可回收覆盖

    公开(公告)号:US06861143B2

    公开(公告)日:2005-03-01

    申请号:US10146059

    申请日:2002-05-16

    IPC分类号: H01B3/44 D02G3/00 B05D5/12

    摘要: A cable includes at least one conductor and at least one covering layer. The at least one covering layer includes a thermoplastic polymer material. The polymer material includes a propylene homopolymer or a copolymer of propylene with an olefin comonomer. The olefin comonomer is ethylene, one or more α-olefins other than propylene, or ethylene and one or more α-olefins other than propylene. The homopolymer or copolymer has a melting point between 140° C. and 165° C., a melting enthalpy between 30 J/g and 80 J/g, a boiling diethyl ether soluble fraction less than or equal to 12 wt % and melting enthalpy less than or equal to 4 J/g, a boiling n-heptane soluble fraction between 15 wt % and 60 wt % and melting enthalpy between 10 J/g and 40 J/g, and a boiling n-heptane insoluble fraction between 40 wt % and 8 wt % and melting enthalpy greater than or equal to 45 J/g.

    摘要翻译: 电缆包括至少一个导体和至少一个覆盖层。 所述至少一个覆盖层包括热塑性聚合物材料。 聚合物材料包括丙烯均聚物或丙烯与烯烃共聚单体的共聚物。 烯烃共聚单体是乙烯,一种或多种除丙烯以外的α-烯烃,或乙烯和一种或多种除丙烯以外的α-烯烃。 均聚物或共聚物的熔点在140℃至165℃之间,熔融焓在30J / g至80J / g之间,沸点二乙醚可溶级分小于或等于12wt%,熔融焓 小于或等于4J / g,沸腾的正庚烷可溶级分在15wt%至60wt%之间,熔融焓在10J / g至40J / g之间,沸腾的正庚烷不溶级分为40wt %和8重量%,熔化焓大于或等于45J / g。

    Supported catalysts for the polymerization of olefins
    77.
    发明授权
    Supported catalysts for the polymerization of olefins 失效
    用于烯烃聚合的负载催化剂

    公开(公告)号:US06774194B2

    公开(公告)日:2004-08-10

    申请号:US10184679

    申请日:2002-06-26

    IPC分类号: C08F402

    摘要: Supported catalysts for the polymerization of olefins comprise the following components: (A) a porous organic support functionalised with groups having active hydrogen atoms; (B) an organo-metallic compound of aluminium containing heteroatoms selected from oxygen, nitrogen and sulphur; and (C) a compound of a transition metal selected from those of groups IVb, Vb or VIb of the Periodic Table of the Elements, containing ligands of the cyclopentadienyl type. These supported catalysts, obtainable in the form of spherical particles, can be used in the polymerization reaction of olefins either in liquid or in gas phase, thus producing polymers endowed with a controlled morphology and with a high bulk density.

    摘要翻译: 用于烯烃聚合的载体催化剂包括以下组分:(A)用具有活性氢原子的基团官能化的多孔有机载体;(B)含有选自氧,氮和硫的杂原子的铝的有机金属化合物; 和(C)选自元素周期表IVb,Vb或VIb族的过渡金属的化合物,其含有环戊二烯基型配体。可以使用可以球形颗粒形式获得的这些负载型催化剂 在烯烃在液相或气相中的聚合反应中,从而产生具有受控形态和高体积密度的聚合物。

    Elastomeric copolymers of ethylene with &agr;-olefins and process for their preparation
    78.
    发明授权
    Elastomeric copolymers of ethylene with &agr;-olefins and process for their preparation 失效
    乙烯与α-烯烃的弹性共聚物及其制备方法

    公开(公告)号:US06403737B1

    公开(公告)日:2002-06-11

    申请号:US09694160

    申请日:2000-10-24

    IPC分类号: C08F442

    摘要: A process for the preparation of amorphous copolymers of ethylene with &agr;-olefins and optionally minor amounts of polyenes are disclosed, which have the following characteristics: (A) the % by mole content of &agr;-olefin in the copolymer (%&agr;) and the ratio between the molar amount of &agr;-olefin diads and the molar content of &agr;-olefin in the copolymer (&agr;&agr;/&agr;) satisfy the following relationship: (%&agr;)−250 (&agr;&agr;/&agr;)≧10 (B) less than 2% of the CH2 groups in the polymeric chain are in sequences (CH2)n, wherein n is an even number. These copolymers are obtained by operating in the presence of particular metallocene-based catalysts having two fluorenyl groups joined together through a bridging group.

    摘要翻译: 公开了一种制备乙烯与α-烯烃和任选少量多烯的无定形共聚物的方法,其具有以下特征:(A)共聚物中α-烯烃的摩尔%摩尔%(%)和 α-烯烃二单元摩尔量与共聚物中α-烯烃的摩尔含量之比(αalpha/α)满足以下关系:(B)聚合物链中少于2%的CH 2基团为顺序( CH2)n,其中n是偶数。这些共聚物通过在具有通过桥连基团连接在一起的两个芴基的特定茂金属基催化剂存在下操作而获得。

    Components and catalysts for the polymerization of olefins
    80.
    发明授权
    Components and catalysts for the polymerization of olefins 失效
    用于烯烃聚合的组分和催化剂

    公开(公告)号:US6048818A

    公开(公告)日:2000-04-11

    申请号:US94309

    申请日:1998-06-09

    CPC分类号: C08F10/00

    摘要: The present invention relates to a solid catalyst component for the polymerization of olefins CH.sub.2 .dbd.CHR in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, comprising a titanium compound, having at least a Ti-halogen bond and an electron donor compound supported on a Mg halide, in which said electron donor compound is selected from esters of malonic acids of formula (I): ##STR1## wherein R.sub.1 is a C.sub.5 -C.sub.20 linear or branched alkyl, a C.sub.5 -C.sub.20 cycloalkyl, a C.sub.7 -C.sub.20 arylalkyl or alkylaryl group; R.sub.2 and R.sub.3, equal to or different from each other, are C.sub.1 -C.sub.3 alkyl, cycloalkyl. Said catalyst components when used in the polymerization of olefins, and in particular of propylene, are capable to give high yields and polymers having high insolubility in xylene.

    摘要翻译: 本发明涉及一种用于烯烃CH 2 = CHR的聚合的固体催化剂组分,其中R是氢或具有1-12个碳原子的烃基,其包含至少具有Ti-卤素键的钛化合物和电子给体 负载在卤化镁上的化合物,其中所述电子给体化合物选自式(I)的丙二酸的酯:其中R1是C5-C20直链或支链烷基,C5-C20环烷基,C7-C20芳烷基或 烷基芳基 R2和R3彼此相同或不同,为C1-C3烷基,环烷基。 当用于烯烃聚合,特别是丙烯时,所述催化剂组分能够产生高产率和在二甲苯中具有高不溶性的聚合物。