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    TIRE AND CROSSLINKABLE ELASTOMERIC COMPOSITION COMPRISING DIATOMITE PARTICLES
    45.
    发明授权
    TIRE AND CROSSLINKABLE ELASTOMERIC COMPOSITION COMPRISING DIATOMITE PARTICLES 有权
    包含硅藻土颗粒的轮胎和可交联的弹性体组合物

    公开(公告)号：EP2231759B1

    公开(公告)日：2017-11-22

    申请号：EP07857777.2

    申请日：2007-12-19

    申请人： Pirelli Tyre S.p.A.

    发明人： GIANNINI, Luca ,  NAHMIAS NANNI, Marco

    IPC分类号： C08K3/36 ,  C08L21/00 ,  C08L15/00 ,  B60C1/00 ,  B60C13/00 ,  B60C15/00

    CPC分类号： C08K3/36 ,  B60C1/0016 ,  B60C1/0025 ,  B60C11/005 ,  B60C2001/0033 ,  B60C2001/005 ,  C08K3/013 ,  C08K5/548 ,  C08L7/00 ,  C08L9/00 ,  C08L9/02 ,  C08L9/06 ,  C08L21/00 ,  C08L23/16 ,  C08L23/22 ,  C08L15/00 ,  C08L2666/06 ,  C08L2666/08

    摘要： A run-flat tire comprising a carcass structure having opposite lateral edges associated with respective right-hand and left-hand bead structures; a tread band applied in a radially external position with respect to said carcass structure; a pair of sidewalls applied laterally on opposite sides with respect to said carcass structure; a bearing structure including for each side of the tire said bead structure cooperating in supporting the run-flat tire with at least one sidewall insert extending radially between said bead structure and the corresponding lateral edge of said tread band; a bearing structure including, for each side of the tire, said bead structure cooperating in supporting the run- flat tire with at least one sidewall insert extending radially between said bead structure and the corresponding lateral edge of said tread band, wherein said at least one sidewall insert includes a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition comprising: (a) 100 phr of at least one elastomeric polymer; (b) from about 20 phr to about 35 phr, preferably from about 20 phr to about 25 phr of diatomite particles having a BET surface area, in the range of from about 10 m2/g to about 90 m2/g, preferably from about 10 to about 40 m2/g, more preferably from about 30 to about 40 m2/g; (c) from about 10 phr to about 35 phr, preferably from about 25 phr to about 35 phr of at least one further reinforcing filler.

    TIRE FOR VEHICLE WHEELS
    46.
    发明公开
    TIRE FOR VEHICLE WHEELS 有权
    车轮用轮胎

    公开(公告)号：EP2914450A1

    公开(公告)日：2015-09-09

    申请号：EP13821970.4

    申请日：2013-10-24

    申请人： Pirelli Tyre S.p.A.

    发明人： GIANNINI, Luca ,  LOSTRITTO, Angela

    IPC分类号： B60C15/06 ,  B60C1/00

    CPC分类号： B60C1/00 ,  B60C1/0041 ,  B60C15/0603 ,  B60C2001/0058 ,  B60C2001/0066 ,  C08K3/34 ,  C08K7/08 ,  C08K2201/003 ,  C08K2201/011 ,  C08L21/00

    摘要： Tire (100) for vehicle wheels, comprising a carcass structure comprising at least one carcass layer having opposed side edges associated with relative annular reinforcing structures, a tread band applied in a radially outer position with respect to said carcass structure, and a pair of sidewalls laterally applied onto opposite sides with respect to said carcass structure; wherein said annular reinforcing structures comprise a crosslinked elastomeric material obtained by the crosslinking of a crosslinkable elastomeric composition comprising inorganic fibres of magnesium and/or aluminium silicates having nanometric dimensions, wherein said crosslinked elastomeric material has an elastic dynamic modulus E', at 70°C and a frequency of 10 Hz, higher than about 55 MPa.

    摘要翻译： 包括胎体结构的胎体（100），所述胎体结构包括至少一个胎体层，胎体带相对于所述胎体结构在径向外部位置施加，所述至少一个胎体层具有与相对环形增强结构相关联的相对侧边缘， 横向施加到相对于所述胎体结构的相对侧上; 其中所述环形增强结构包含通过交联包含具有纳米尺寸的硅酸镁和/或硅酸铝的无机纤维的可交联弹性体组合物而获得的交联弹性体材料，其中所述交联弹性体材料在70℃具有弹性动态模量E' 和10Hz的频率，高于约55MPa。

    METHOD FOR PRODUCING A CROSSLINKABLE ELASTOMERIC COMPOSITION
    48.
    发明公开
    METHOD FOR PRODUCING A CROSSLINKABLE ELASTOMERIC COMPOSITION 有权
    一种用于生产交联的弹性体组合物

    公开(公告)号：EP1940934A1

    公开(公告)日：2008-07-09

    申请号：EP05807372.7

    申请日：2005-10-26

    申请人： PIRELLI TYRE S.p.A.

    发明人： GALIMBERTI, Maurizio ,  GRASSI, Lisa ,  TESTI, Stefano ,  CAPRIO, Michela ,  GIANNINI, Luca

    IPC分类号： C08K3/34 ,  B60C1/00

    CPC分类号： B60C1/00 ,  C08J3/226 ,  C08J2307/00 ,  C08J2421/00 ,  C08K3/346 ,  C08L21/00

    摘要： Method for producing a crosslinkable elastomeric composition comprising: (a) at least one first elastomeric polymer; (b) at least one layered material having an individual layer thickness of from 0.01 nm to 30 nm, preferably of from 0.05 nm to 15 nm; (c) at least one vulcanizing agent; said method comprising the following steps: (i) feeding said at least one layered material (b) and at least one second elastomeric polymer (d), into at least one extruder comprising a housing, at least one screw rotatably mounted in said housing including at least one feed opening and a discharge opening, said at least one layered material being fed into said at least one extruder in an amount higher than or equal to 70 phr, preferably higher than or equal to 100 phr, more preferably of from 150 phr to 400 phr, still more preferably of from 200 phr to 300 phr; (ii) mixing and softening said mixture so as to obtain a masterbatch; (iii) discharging the obtained masterbatch through a discharge opening; (iv) mixing the obtained masterbatch with said at least one first elastomeric polymer (a) and said at least one vulcanizing agent (c), to obtain the crosslinkable elastomeric composition, said mixing being carried out in a batchwise manner.