Tire and Crosslinkable Elastomeric Composition
    51.
    发明申请
    Tire and Crosslinkable Elastomeric Composition 审中-公开
    轮胎和交联弹性组合物

    公开(公告)号:US20090199945A1

    公开(公告)日:2009-08-13

    申请号:US12224678

    申请日:2006-03-03

    摘要: Tire, including at least one structural element including a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition, includes: (a) at least one diene elastomeric polymer; (b) at least one activator obtained by dry comilling a mixture including: at least one salt, or one oxide, or one hydroxide of a metal belonging to groups 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, or 16 of the Periodic Table of the Elements; and at least one layered material, said layered material having an individual layer thickness of 0.01 nm to 30 nm, preferably 0.05 nm to 15 nm, and more preferably 0.1 nm to 2 nm; (c) at least one vulcanization accelerator; and (d) sulfur or derivatives thereof.

    摘要翻译: 包括至少一种包括通过交联可交联弹性体组合物获得的交联弹性材料的结构元件包括:(a)至少一种二烯弹性体聚合物; (b)至少一种通过干式混合的活化剂,所述混合物包括:至少一种盐,或一种氧化物,或一种属于第2,3,4,5,6,7,8,9,10族的金属的一种氢氧化物 ,11,12,13,14,15或16个元素周期表; 和至少一层分层材料,所述层状材料的单层厚度为0.01nm至30nm,优选为0.05nm至15nm,更优选为0.1nm至2nm; (c)至少一种硫化促进剂; 和(d)硫或其衍生物。

    Tire and Crosslinkable Elastomeric Composition
    52.
    发明申请
    Tire and Crosslinkable Elastomeric Composition 审中-公开
    轮胎和交联弹性组合物

    公开(公告)号:US20090165915A1

    公开(公告)日:2009-07-02

    申请号:US12085319

    申请日:2005-11-29

    摘要: A tire includes: a carcass structure including at least one carcass ply, of a substantially toroidal shape, having opposite lateral edges associated with respective right-hand and left-hand bead structures, the bead structures including at least one bead core and at least one bead filler; a belt structure applied in a radially external position with respect to the carcass structure; a tread band radially superimposed on the belt structure; a pair of sidewalls applied laterally on opposite sides with respect to the carcass structure; at least one layer including a crosslinked elastomeric material having air barrier properties, wherein the crosslinked elastomeric material is obtained by crosslinking a crosslinkable elastomeric composition including: (a) 10 phr or 100 phr, preferably 20 phr to 60 phr, of at least one butyl rubber; (b) 0 phr to 90 phr, preferably 40 phr to 80 phr, of at least one diene elastomeric polymer; (c) 5 phr to 120 phr, preferably 15 phr to 90 phr, of at least one reinforcing filler; (d) 2 phr to 20 phr, preferably 5 phr to 15 phr, of at least one copolymer of at least one ethylenically unsaturated carboxylic acid or a derivative thereof with at least one ethylenically unsaturated monomer containing at least one polyoxyalkylene side chain.

    摘要翻译: 轮胎包括:胎体结构,其包括至少一个胎体帘布层,其基本上为环形形状,具有与相应的右手和左侧胎圈结构相关联的相对的侧边缘,所述胎圈结构包括至少一个胎圈芯和至少一个胎圈芯 珠填料; 相对于胎体结构施加在径向外部位置的带结构; 径向叠加在带结构上的胎面带; 相对于胎体结构在相对侧面上横向施加的一对侧壁; 至少一层包括具有阻气性的交联弹性体材料,其中所述交联的弹性体材料通过交联可交联弹性体组合物获得,所述交联弹性体组合物包括:(a)10phr或100phr,优选20phr至60phr的至少一种丁基 橡胶; (b)0phr至90phr,优选40phr至80phr的至少一种二烯弹性体聚合物; (c)5phr至120phr,优选15phr至90phr的至少一种增强填料; (d)至少一种烯属不饱和羧酸或其衍生物与至少一种含有至少一个聚氧化烯侧链的烯属不饱和单体的至少一种共聚物的2phr至20phr,优选5phr至15phr的至少一种共聚物。

    Tire and Crosslinkable Elastomeric Composition
    53.
    发明申请
    Tire and Crosslinkable Elastomeric Composition 审中-公开
    轮胎和交联弹性组合物

    公开(公告)号:US20070272338A1

    公开(公告)日:2007-11-29

    申请号:US10576797

    申请日:2004-10-29

    IPC分类号: B60C1/00

    摘要: Tire having at least one structural element including a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition containing (a) 100 phr of at least one diene elastomeric polymer; (b) 1 phr to 50 phr, preferably 2 phr to 40 phr, and more preferably 5 phr to 30 phr, of at least one layered material having an individual layer thickness of 0.01 nm to 30 nm, preferably 0.05 nm to 15 nm; (c) 0.1 phr to 15 phr, preferably 0.3 phr to 10 phr, of at least one methylene donor compound; and (d) 0.4 phr to 20 phr, preferably 0.8 phr to 15 phr of at least one methylene acceptor compound. Preferably, the at least one structural element is selected from bead filler, sidewall insert tread underlayer, or tread base.

    摘要翻译: 具有至少一种结构元件的轮胎包括通过交联含有(a)100phr的至少一种二烯弹性体聚合物的可交联弹性体组合物获得的交联弹性体材料; (b)1phr至50phr,优选2phr至40phr,更优选5phr至30phr的至少一种具有0.01nm至30nm,优选0.05nm至15nm的单层厚度的层状材料; (c)0.1phr至15phr,优选0.3phr至10phr的至少一种亚甲基给体化合物; 和(d)0.4phr至20phr,优选0.8phr至15phr的至少一种亚甲基受体化合物。 优选地,所述至少一个结构元件选自胎圈填料,侧壁插入物胎面底层或胎面基底。

    Catalysts for the polymerization of olefins and process for the preparation thereof
    58.
    发明授权
    Catalysts for the polymerization of olefins and process for the preparation thereof 失效
    用于烯烃聚合的催化剂及其制备方法

    公开(公告)号:US06476163B2

    公开(公告)日:2002-11-05

    申请号:US09331928

    申请日:1999-06-29

    IPC分类号: C08F4642

    摘要: Catalysts for the polymerization of olefins are disclosed, comprising the product obtainable by contacting: (A) a bridged and/or substituted cyclopentadienyl compound of Ti, Zr or Hf; (B) one or more organometallic aluminium compounds of formula (II): AlR43−zHz wherein the substituents R4, same or different from each other, are linear or branched, saturated or unsaturated C1-C20 alkyl or alkylaryl radicals, optionally containing Si or Ge atoms, wherein at least one of the substituents R4 is different from a straight alkyl group; z is 0 or 1; and (C) water, the molar ratio between the organometallic aluminium compound and water being comprised between 1:1 and 100:1; said catalyst being obtainable by a process comprising the following steps: (i) contacting component (A) with part of component (B) in the absence of component (C); (ii) contacting part of component (B) with component (C) in the absence of component (A) and successively (iii) contacting the products obtained in steps (i) and (ii).

    摘要翻译: 公开了用于烯烃聚合的催化剂,其包含通过使(A)Ti,Zr或Hf的桥连和/或取代的环戊二烯基化合物接触而获得的产物; (B)一种或多种式(II)的有机金属铝化合物:AlR43-zHz其中相同或不同的取代基R4是直链或支链的,饱和或不饱和的C 1 -C 20烷基或烷基芳基,任选地含有Si或 Ge原子,其中至少一个取代基R4不同于直链烷基; z为0或1; 和(C)水,有机金属铝化合物与水的摩尔比为1:1至100:1; 所述催化剂可通过包括以下步骤的方法获得:(i)在不存在组分(C)的情况下使组分(A)与组分(B)的一部分接触; (ii)在不存在组分(A)的情况下将组分(B)的一部分与组分(C)接触,并且连续地(iii)使步骤(i)和(ii)中获得的产物接触。