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    A TYRE ASSEMBLY FOR OFF-ROAD MOTORCYCLE
    1.
    发明申请
    A TYRE ASSEMBLY FOR OFF-ROAD MOTORCYCLE 审中-公开
    一个用于越野摩托车的轮胎总成

    公开(公告)号：WO2011077312A1

    公开(公告)日：2011-06-30

    申请号：PCT/IB2010/055716

    申请日：2010-12-10

    Applicant: PIRELLI TYRE S.P.A. ,  CAPRIO, Michela ,  BRIVIO, Paolo ,  LEONARDO, Fabiano

    Inventor： CAPRIO, Michela ,  BRIVIO, Paolo ,  LEONARDO, Fabiano

    IPC: B29D30/04 ,  B60C7/10 ,  B60C7/12

    CPC classification number: B29D30/04 ,  B60C5/002 ,  B60C15/0018 ,  B60C2009/145 ,  B60C2200/10 ,  C08F36/06

    Abstract: A tyre assembly for off -road motorcycle wheels comprises a tyre including a carcass structure (3), and a tread band (18) including a plurality of blocks (20) circumferentially spaced apart from each other by transverse grooves, and applied at a radially external position relative to the carcass structure, the assembly further comprising a toroidal polymeric foam or mousse (103) disposed at a radially internal position relative to the tyre, a thermally insulating and thermostable polymeric layer (102) having an axial extension equal to at least 60% of the extension of the crown portion of the tread, the thermally insulating polymeric layer being circumferentially disposed on either side of the equatorial plane of the tyre and interposed between the tyre and the foam (103).

    Abstract translation: 用于越野摩托车车轮的轮胎组件包括：轮胎，其包括胎体结构（3）和胎面带（18），所述胎面带（18）包括通过横向槽沿周向间隔开的多个块（20） 相对于胎体结构的外部位置，所述组件还包括设置在相对于轮胎的径向内部位置的环形聚合物泡沫或摩丝（103），具有至少等于至少的轴向延伸的绝热和热稳定的聚合物层（102） 胎面冠部的延伸部的60％，隔热聚合物层周向地设置在轮胎的赤道平面的任一侧，并置于轮胎和泡沫（103）之间。

    METHOD FOR PRODUCING A CROSSLINKABLE ELASTOMERIC COMPOSITION
    9.
    发明申请
    METHOD FOR PRODUCING A CROSSLINKABLE ELASTOMERIC COMPOSITION 审中-公开
    生产可交联弹性体组合物的方法

    公开(公告)号：WO2007048424A1

    公开(公告)日：2007-05-03

    申请号：PCT/EP2005/011466

    申请日：2005-10-26

    Applicant: PIRELLI TYRE S.P.A. ,  GALIMBERTI, Maurizio ,  GRASSI, Lisa ,  TESTI, Stefano ,  CAPRIO, Michela ,  GIANNINI, Luca

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

    IPC: C08K3/34 ,  B60C1/00

    CPC classification number: B60C1/00 ,  C08J3/226 ,  C08J2307/00 ,  C08J2421/00 ,  C08K3/346 ,  C08L21/00

    Abstract: 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.

    Abstract translation: 制备可交联弹性体组合物的方法，包括：（a）至少一种第一弹性体聚合物; （b）至少一层具有0.01nm至30nm，优选为0.05nm至15nm的单层厚度的层状材料; （c）至少一种硫化剂; 所述方法包括以下步骤：（i）将所述至少一种分层材料（b）和至少一种第二弹性体聚合物（d）进料到至少一个挤出机中，所述至少一个挤出机包括壳体，可旋转地安装在所述壳体中的至少一个螺杆，包括 至少一个进料口和排出口，所述至少一个分层材料以高于或等于70phr，优选高于或等于100phr，更优选150phr的量进料到所述至少一个挤出机中 至400phr，还更优选200phr至300phr; （ii）混合和软化所述混合物以获得母料; （iii）通过排出口排出所获得的母料; （iv）将所获得的母料与所述至少一种第一弹性体聚合物（a）和所述至少一种硫化剂（c）混合，以获得可交联的弹性体组合物，所述混合以间歇方式进行。

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